Jobs at Djinni

Senior Manual QA Engineer (Mobile / API / Web)

Location: Ukraine / Remote
Experience Level: Senior (4+ years)
Core Skills: Mobile Testing (iOS/Android), API Testing, Web Testing, UI Validation, English C1

The Opportunity

Join our FinTech/Trading team as a Senior Manual QA Engineer and help ensure the reliability, accuracy, and usability of a high-performance trading platform.

You will test complex financial workflows across native iOS and Android applications, Web interfaces, APIs, and backend integrations. The role requires strong analytical thinking, attention to detail, and the ability to identify edge cases in systems where correctness, real-time data, and financial accuracy are critical.

Your Role and Impact

• Mobile & Web Testing: Perform functional, regression, exploratory, usability, and compatibility testing across native iOS/Android applications and Web platforms.
• API & Backend Validation: Test REST APIs using tools such as Postman and Swagger/OpenAPI, validate request/response data, error handling, authentication, and client-server interactions.
• Trading & Financial Flows: Validate complex business logic, financial calculations, order lifecycles, balances, positions, transaction states, and real-time data updates.
• UI Validation: Verify implementation against Figma/design specifications, including layout, spacing, typography, responsiveness, and Pixel Perfect requirements.
• Debugging & Investigation: Analyze application logs, browser/network traffic, API responses, and other technical data to identify and isolate defects.
• Test Documentation: Create and maintain Test Plans, Test Cases, Checklists, and other QA documentation appropriate to the feature and risk level.
• Defect Management: Identify, document, prioritize, and track defects in Jira, providing clear reproduction steps, supporting evidence, logs, and technical details.
• Agile Collaboration: Work closely with Developers, Product Owners, Business Analysts, and other QA Engineers to refine requirements, identify risks early, and participate in solution discussions.
• Quality Ownership: Proactively identify product risks, edge cases, inconsistencies, and areas where testing processes can be improved.

What You Bring

• 4+ years of hands-on Manual QA experience, including significant experience testing both Mobile and Web applications.
• Strong practical experience testing native iOS and Android applications on real devices and emulators/simulators.
• Strong knowledge of API testing, including Postman collections, environments, authentication, request/response validation, and Swagger/OpenAPI.
• Strong knowledge of Browser DevTools, including Network, Console, Storage/Application, and debugging client-server interactions.
• Experience with cross-browser and cross-device testing.
• Ability to analyze complex business requirements and translate them into effective test scenarios.
• Strong exploratory-testing skills and the ability to identify non-obvious edge cases.
• Experience investigating defects using logs, network traffic, API responses, and other available diagnostic information.
• Experience with Firebase tools such as Crashlytics and App Distribution.
• Strong attention to UI details and experience validating interfaces against design specifications.
• Experience working with Jira or similar issue-tracking systems.
• English level B2 or higher.

Highly Valued

• Previous experience with trading platforms, brokerage systems, stock/crypto exchanges, payments, or other FinTech products.
• Experience with network traffic analysis tools such as Charles Proxy, Proxyman, or Fiddler.
• Basic SQL skills for backend data validation and data-integrity checks.
• Understanding of WebSocket or other real-time communication mechanisms.
• Experience testing applications under unstable or changing network conditions.

About EVIQO

EVIQO is one of the fastest-growing smart EV charging brands in the US residential market, serving customers across the US, Canada, and Europe soon.

We are already among the Top-5 market leaders in the US in our segment and continue scaling rapidly.

Our mission is to build a category-defining EV charging brand that competes with major players like Tesla, ChargePoint, and Autel.

Our core product is a premium Level 2 smart home EV charger combined with a mobile app and software platform that allows users to monitor and remotely control charging, manage and optimize energy consumption, automate charging sessions, and reduce electricity costs.

With up to 50 Amps of charging power, strong hardware positioning, premium customer experience, and a powerful D2C + Amazon growth engine, we are building much more than just a charger — we are building a scalable international brand.

We operate at the intersection of hardware, software, IoT, e-commerce, D2C, and international growth.

Role Overview

EVIQO develops smart home EV chargers for customers in the United States. Our products combine charging hardware with a mobile app, so the support team helps customers with both their orders and their experience using the charger.

We are looking for an experienced Customer Support Specialist to assist customers by phone and email. This is an individual contributor role that involves answering product and order questions, guiding customers through troubleshooting, following up on unresolved issues, and coordinating with other teams when further investigation is required.

The specialist is expected to take ownership of customer cases from the first conversation through resolution or a clear handoff.

Expected Outcomes

• Customers receive clear, timely, and accurate support by phone and email.
• Customer cases are followed through to resolution or escalated with complete information and a clear next step.
• Common charger, mobile app, order, delivery, and warranty questions are handled in accordance with company guidelines.
• Customer interactions and troubleshooting results are documented accurately in the ticket system.
• Customers are kept informed while their cases are being investigated.
• Recurring customer issues and feedback are identified and shared with the team.

Required Competencies

• At least 3 years of experience in customer support or a related customer-facing role.
• Strong spoken and written English (C1), including confidence in communicating with customers by phone.
• Ability to handle difficult conversations professionally and take ownership of cases until they reach a clear outcome.
• Good judgment when deciding whether to troubleshoot independently or escalate an issue.
• Ability to learn a technical product and explain complex information in simple terms.
• Strong organizational skills and attention to detail when managing multiple open cases.
• Familiarity with ticket systems and structured case documentation.
• Experience supporting customers in the United States or working with hardware, connected devices, or mobile apps would be an advantage.

Why Join EVIQO

• Work in a fast-growing international product company.
• Make a direct impact on business growth.
• Freedom to take ownership and implement ideas.
• Competitive compensation and growth opportunities.
• Fully remote work format.
• Working schedule: 15:00–00:00 (Kyiv time), including a 1-hour lunch break.
• 15 working days of paid vacation per year (available after 6 months of employment).
• 5 paid sick days without medical certificates.
• Sports and professional development compensation after successful completion of the probation period.

Role Overview
We are looking for an experienced Deliverability Manager to own and optimize email deliverability across our high-volume newsletter portfolio. This is a highly technical, hands-on role where you will be responsible for ensuring millions of emails reach subscribers'

inboxes every day. You will work closely with the Head of Project, Production Manager, and Marketing team to build, maintain, and continuously improve our sending infrastructure, authentication, reputation, and inbox placement strategy.

Key Responsibilities
• Own inbox placement, sender reputation, and deliverability performance across all
domains, IPs, and ESPs
• Monitor sender reputation across major mailbox providers
• Conduct seed testing and inbox placement analysis
• Investigate and resolve deliverability incidents
• Manage SPF, DKIM, DMARC, and BIMI
• Plan IP and domain warming strategies
• Maintain Google Postmaster Tools, Microsoft SNDS, and feedback loops
• Design and optimize multi-ESP infrastructure
• Lead ESP migrations
• Optimize cold audience deliverability and list hygiene
• Advise marketers on deliverability best practices

• Build dashboards, alerts, and reporting

Requirements
Must Have
• Agency-side deliverability experience managing multiple client projects with tailored
strategies for different audiences, sending infrastructures, and deliverability challenges.
• OR experience as a Deliverability Manager or Email Marketer within gambling, casino,
affiliate, or similarly high-volume performance marketing environments.
• Experience managing 200,000–300,000 email sends per day on a single project (not
aggregated across multiple clients).
• Strong experience building audience segments, automations, lifecycle journeys, and
analyzing subscriber behavior.
• Ability to diagnose and resolve sender reputation issues, inbox placement problems, and
declining open rates.
• Creative and non-linear problem-solving skills, with the ability to test multiple
hypotheses and identify unconventional solutions.
• Excellent English communication skills (C1+).

Nice to Have

• Recent experience (within the last 12 months) managing Yahoo deliverability at
volumes exceeding 50,000 emails per day.

Who We're Looking For
• Ownership mindset
• Commercial thinking
• Strong stakeholder communication
• Thrives in fast-paced environments
• Attention to detail
• Continuous learner

What We Offer
• Professional Growth

• International environment
• Career development
• Learning resources
• High-performing team
• Modern tools

Benefits
• Competitive salary
• Paid vacation
• Paid sick leave
• Work-life balance
• Team events

Working Environment
• Remote or hybrid
• Modern Warsaw office
• Office perks
• Supportive team
• Comfortable workspace

What should you know about SKELAR? It's a venture builder — in other words, a company that builds companies. Together with founders, we create consumer businesses that become leaders in global markets across EdTech, Mental Health, Petcare, FashionTech, and beyond.

Our teams build tech products that win recognition from Product Hunt and The Webby Awards, earn thousands of glowing Trustpilot reviews, and reach over 10 million users worldwide. That kind of impact doesn't happen by accident — it starts with exceptional people, and our people are our top priority.

We've built an environment where expertise meets opportunity, and where there's no ceiling on what you can achieve. Now we're looking for the kind of people who don't just want a job — they want a challenge.

We are currently looking for a Bank Relationship Management Team Lead to help us raise the bar even higher.

Responsibilities:

Bank Relationship Management & Account Operations
— Own and continuously develop the Group's banking infrastructure across 30+ operating entities, ensuring account availability, diversification, and resilience across jurisdictions;
— Define and execute the bank and fintech partner strategy: sourcing, evaluation, onboarding, and ongoing relationship management with RMs across banks and EMIs;
— Build and maintain a structured pipeline of banking partners, driving proactive outreach and positioning Group companies for successful onboarding;
— Manage account-level risk and diversification, ensuring uninterrupted payment flows;
— Support restructuring initiatives, corporate changes, annual KYC and data updates in coordination with relevant stakeholders.

Treasury Tools & Liquidity Development
— Develop and deliver treasury infrastructure for the Group's operating companies: SWIFT, SEPA, ACH, FX, deposits, hedging instruments, and investment modules;
— Drive commercial negotiations with banking partners to secure optimal fee structures, FX rates, and credit terms;
— Collaborate cross-functionally with Payment Operations, Finance, Legal, and Corporate teams to align banking infrastructure with business needs and structural changes.

Team Leadership & Process Ownership
— Manage and develop team, overseeing the research pipeline, onboarding support, and partner evaluation process;

— Design and implement scalable internal processes for bank sourcing, due diligence, and onboarding — reducing dependency on ad-hoc decisions;
— Maintain reporting and metrics on account coverage, diversification, and tool availability across the Group.

Required qualifications and skills:
— 5 years of experience working in Finance in International companies, banks, IT companies;
— Solid understanding of payment systems and international business, involving into cross-border Experience in transactions and multi-currency payments;
— Ability to prioritize, organize and effectively manage daily routines, ad-hoc tasks and strategic goals. Act independently with the appropriate level of support;
— Proficient level of Excel;
— English B2+.

What Would Be a Plus:
— Solid experience in banking compliance, with a strong understanding of AML principles and practices will be an advantage.

At SKELAR, we've built an environment where people can grow, build, and do the most meaningful work of their careers:

• SKELAR Platform. The operational backbone of our venture builder. It exists to help founders move faster and easier — so business teams can stay laser-focused on the product while 10+ specialized Platform takes care of everything else: Legal, Finance, HR, Admin, Talent Acquisition, Employer Branding, IT, and more.
• Networking and knowledge-sharing as a way of life. Our people include co-founders who've launched multiple businesses and some of the sharpest specialists in the industry. Whatever expertise you need, it's never far away.
• Learning programs you won't find anywhere else. We've developed our own educational tracks for teammates to choose from — a two-month school for first-time managers, intensive AI workshops, and professional clubs for engineers, product managers, and more.
• Meaningful impact in Ukraine. The SKELAR Foundation was created by our own people, and every employee plays a part in bringing important social initiatives to life. We founded Europe's first accelerator for veterans and are working to build lasting support structures for veterans at a national scale.
• Spaces designed to inspire. Our offices are places people actually want to be — with an in-house gym, a climbing wall, Bali-inspired green spaces, and libraries. Every detail, from service and security to comfort and design, is built to match the pace of our growing teams.
• Everyday comfort built in. Meals, gym access in Kyiv or a partial fitness stipend in Warsaw, health insurance, paid business travel where the role requires it, and corporate partner discounts.

We'd love to tell you more in person.

Join us at SKELAR and help build the next big everything!

What should you know about SKELAR? It's a venture builder — in other words, a company that builds companies. Together with founders, we create consumer businesses that become leaders in global markets across EdTech, Mental Health, Petcare, FashionTech, and beyond.

Our teams build tech products that win recognition from Product Hunt and The Webby Awards, earn thousands of glowing Trustpilot reviews, and reach over 10 million users worldwide. That kind of impact doesn't happen by accident — it starts with exceptional people, and our people are our top priority.

We've built an environment where expertise meets opportunity, and where there's no ceiling on what you can achieve. Now we're looking for the kind of people who don't just want a job — they want a challenge.

We are currently looking for a Treasury Analyst to join our Treasury Team (office-based in Warsaw, Poland).

About the role

Treasury Analyst will be responsible for managing day-to-day treasury operations across multiple entities — ensuring accurate cash flow planning, timely execution of payments, and maintaining reliable banking infrastructure.

The successful candidate will take end-to-end ownership of key operational treasury processes and actively contribute to process improvements with a focus on automation and AI-driven solutions. Over time, the role will expand towards independent management of liquidity, FX, and treasury infrastructure development.

We operate in a fast-paced, multi-entity international environment where treasury matters vary in complexity — from routine payment execution to strategic liquidity decisions.

Key responsibilities

• Prepare and maintain cash flow forecasts to ensure liquidity transparency
• Execute and coordinate intragroup payments, including international transfers (SEPA, SWIFT, ACH)
• Monitor cash balances across entities and manage FX exposure
• Communicate with international banks on operational matters, requests, and clarifications
• Monitor and control banking fees, identify optimization opportunities
• Prepare dashboards and management reports

At later stages

• Take full ownership of key treasury functions: cash flow forecasting, liquidity management, and bank communication
• Support excess liquidity management, including deposit placements and securities purchases
• Initiate and lead treasury automation projects with a focus on AI solutions
• Contribute to banking infrastructure development and account setup processes

What to expect in this role

• Managing multiple parallel tasks in a dynamic, high-growth environment
• Frequent ad-hoc requests and time-sensitive operations
• High level of ownership and autonomy from day one
• Exposure to international banking and multi-entity structures
• Evolving processes — you'll shape them, not just follow them

Required qualifications and skills

Must-have

• 3–4 years of experience in Treasury or Finance at international companies, banks, or IT firms
• Strong analytical skills and attention to detail
• Proficient in Excel and Google Sheets
• Experience processing international payments: SEPA, SWIFT, ACH
• English B2+

Nice-to-have

• Experience in financial modelling: budgeting, CF forecasting
• ACCA in progress

At SKELAR, we've built an environment where people can grow, build, and do the most meaningful work of their careers:

• SKELAR Platform. The operational backbone of our venture builder. It exists to help founders move faster and easier — so business teams can stay laser-focused on the product while 10+ specialized Platform takes care of everything else: Legal, Finance, HR, Admin, Talent Acquisition, Employer Branding, IT, and more.
• Networking and knowledge-sharing as a way of life. Our people include co-founders who've launched multiple businesses and some of the sharpest specialists in the industry. Whatever expertise you need, it's never far away.
• Learning programs you won't find anywhere else. We've developed our own educational tracks for teammates to choose from — a two-month school for first-time managers, intensive AI workshops, and professional clubs for engineers, product managers, and more.
• Meaningful impact in Ukraine. The SKELAR Foundation was created by our own people, and every employee plays a part in bringing important social initiatives to life. We founded Europe's first accelerator for veterans and are working to build lasting support structures for veterans at a national scale.
• Spaces designed to inspire. Our offices are places people actually want to be — with an in-house gym, a climbing wall, Bali-inspired green spaces, and libraries. Every detail, from service and security to comfort and design, is built to match the pace of our growing teams.
• Everyday comfort built in. Meals, gym access in Kyiv or a partial fitness stipend in Warsaw, health insurance, paid business travel where the role requires it, and corporate partner discounts.

We'd love to tell you more in person.

Join us at SKELAR and help build the next big everything!

Duomo is an app rooted in Christian values, helping people turn Scripture into daily habits and inner peace. We’re building a leading Christian-tech product for people seeking spiritual renewal.

Right now, we’re looking for a User Acquisition Manager who will help lead one of the key marketing streams on Meta.

You will have the opportunity to:

• See the results of your work in real time.
• Rapidly grow in performance marketing.
• Help build the #1 business in the category.
• Learn how tech businesses are built — directly from the source.
• Work with a team of highly driven, results-focused people,

What you will be responsible for:

• Launching, structuring, and scaling UA campaigns on Meta.
• Monitoring key KPIs daily and make data-driven optimization decisions to hit target financial KPIs, evaluating performance both on top-level metrics (CPM, CTR, CR, CPA) and deeper metrics (funnel conversion, LTV, ROI).
• Closely collaborating with creative and product marketing teams to drive growth of your stream
• Implementing AI/automation approaches with analytics and MarTech teams to speed up analysis, testing, and workflows.

What you need to succeed in this role:

• 1+ years of experience in performance marketing, driving user acquisition on paid media channels (Meta / TikTok / Google Media).
• Experience managing budgets of $100,000+ per month.
• Strong structure and organization: you love documenting and testing everything, validating every possible hypothesis, and won’t stop until you find the most effective solution.
• Strong analytical mindset: you enjoy working with data, spotting patterns, and drawing conclusions.
• Comfort working in uncertainty, fast learning, and adaptability.
• English level: B1+.

Why Duomo:

— You’ll work on a product with a clear mission and real values.
— You’ll help us transition from a content-rich app into a truly connected spiritual platform.
— You’ll be early enough to influence how product is done at Duomo long-term.

What we offer:

— Competitive salary;
— Significant impact on a rapidly growing business and contribution to how it shapes up;
— Ample career opportunities for ambitious growth and development;
— A possibility to attend internal, external courses, seminars and the access to a corporate library;
— Comfortable working environment. We provide all necessary work equipment for your role and serve complimentary breakfasts, lunches, and snacks in the office;
— 20 days of paid vacation, medical insurance and a variety of sports activities available for employees inside and outside the office.

MEGAVAST is an international IT product company that has been developing software for over 9 years. Our offices are located in Kyiv, Kharkiv, Israel, and Cyprus. Due to the expansion of our team in Kyiv, we are looking for a Junior IT Account Manager. The position requires working from the office during the adaptation period. The office is located right next to the "Olimpiiska" metro station.

Key Responsibilities:

• Work directly with clients
• Understand client needs
• Present suitable solutions correctly
• Maintain and develop client communication
• Apply a sales/account-management mindset

Requirements:

- Commercial experience as a customer support from 6 month 

- Excellent communication skills and ability to work in a team.

- Self-learning ability and a desire to develop in project management.

- Ability to resolve conflicts and maintain a positive work environment.

- Organizational skills, attention to detail, and ability to work with deadlines.

- Completed higher education.

- Knowledge of English at least at the Upper-Intermediate level for team communication.

We Offer:

- Stable and highly competitive pay that matches your skills.

- Work with a product, the ability to delve into its functionality, and understand user needs.

- Professional growth to senior roles or the head of the project management department.

- Ability to implement changes, new approaches, and optimize processes.

- Flexible working hours and a hybrid schedule after the probation period. The ability to start the working day from 9 to 12 am.

- Comprehensive paid vacation, sick leave, and national holidays.

- A friendly and supportive team focused on achieving common goals.

- Participation in team knowledge-sharing activities, professional presentations to improve skills.

Join us and become part of a team that values both professional skills and personal well-being. Send your resume to receive more details about our offer.

About MEGAVAST

MEGAVAST is an international IT company specializing in software development and innovative code development tools that automate and streamline the software creation process.

We are looking for a Office/Administrative Manager to join our Kyiv team. If you enjoy a varied workload, want to grow quickly, and are eager to contribute to the development of an international IT company - we’d be happy to meet you.

Key Responsibilities::

• Support the CEO with administrative tasks;
• Assist with recruitment processes;
• Coordinate business trips (booking tickets, hotels, and transfers);
• Communicate with vendors;
• Ensure the office has everything it needs;
• Help organize corporate events.
   

Requirements:

• English proficiency - at least B2 level (comfortable for written and verbal communication with the CEO);
• At least 6 months of experience in a similar or related position;
• Experience working at an IT company is a plus;

• Organizational skills, the ability to quickly find information, and a sense of responsibility.

   

What We Offer:

• Competitive, stable salary based on your expertise;
• Annual salary reviews and performance-based rewards;
• Paid vacation and sick leave;
• Flexible working hours (workday starts between 9:00–11:00);
• Modern office in the centre of Kyiv, right next to the Olimpiyska metro station;
• Corporate events, happy hours, and team-building activities.

RedCore is an international business group that creates technological solutions for digital markets. 

Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

Powering Growth from the Core — this is the key mission laid under RedCore’s strong foundation. This is how we consistently stay ahead: by evolving and creating scalable solutions, while remaining committed to open and transparent communication with our partners.

We are looking for a Senior Sourcer!

Requirements:

• 3+ years of experience as a Sourcer/Researcher or similar role;
• Experience with non-tech vacancies;
• Experience working with Senior, Head, and C-level positions;
• Understanding of candidate sourcing principles and recruitment process;
• Understanding of job market trends;
• Ability to work in a dynamic environment & big team, and on multiple vacancies simultaneously;
• Attention to details, communication and time-management skills;
• Result orientation and desire to learn;
• Spoken Ukrainian, B1+ level of English.

Will be plus

• Experience sourcing candidates for traffic-related positions (Media Buyer, Affiliate Manager, PPC Specialist, SMM Manager, etc.);

• Experience in gambling companies/products.

   

Responsibilities:

• Searching for passive candidates using various sources, including LinkedIn, Google search, ATS, HeadHunter and other tools;
• Coordinate vacancy postings via different job boards;
• Contacting potential candidates through different channels;
• Maintaining of talent database review applicants from corporate job site and other postings, including talent pool applicants, keeping information up to date;
• Development of a sourcing strategy for finding candidates in new locations;
• Creating talent pipelines for future needs;
• Work with recruitment tools (Jira, ATS);
• Cooperate with Recruiters to build a correct sourcing strategy for finding candidates;
• Scheduling an all initial interview with external candidates for recruiters;
• Development of professional networks, promotion of the company’s brand, and analysis of market information;
• Participation in other projects that affect hiring efficiency;
• Keeping track of sourcing metrics and reporting on progress;
• Ensure accurate filling of Jira, ATS and recruitment dashboard documents. Monitor that job openings timely transition through necessary status stages.

Our benefits to you:

• Modern corporate equipment based on macOS or Windows and additional equipment are provided
• Paid vacations, sick leave, personal events days, days off
• Referral program — enjoy cooperation with your colleagues and get the bonus
• Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
• Rewards program for mentoring and coaching colleagues
• In-house Travel Service
• Multiple internal activities
• Other benefits could be added based on your location

On behalf of our Client from the USA, Mobilunity is looking for an IOS/ Android Architect.

Our client develops software that supports companies working in commercial fire protection and mechanical services with managing their field operations and expanding their businesses. As a growing technology company, they value accountability, thoughtful choices, and creating a tangible impact. They bring together people who are curious, collaborative, and open to different perspectives, while giving them the independence and support to address meaningful challenges. From the start, you’ll be trusted with real responsibilities, encouraged to explore better ways of working, and given room to develop as your role and experience grow.

About the Mobile Team

As part of the Mobile team, you’ll help define the technical evolution of the native mobile applications used by thousands of field technicians.

You’ll have significant influence over mobile architecture, development practices, tooling, and engineering standards. You’ll also play an important role in determining how AI-powered development tools and agent-based workflows can be incorporated into the team’s day-to-day work.

This is not a position where you simply execute an existing technical roadmap. You’ll actively contribute to defining the direction of the mobile platform.

About You

You have extensive professional experience developing native mobile applications for both iOS and Android and enjoy solving complex problems around offline operation, synchronization, and data consistency.

You approach mobile development from a systems perspective rather than focusing only on individual screens or features. You’re also genuinely interested in AI-assisted development and have practical experience with AI tools, while understanding when they are useful and where human judgment remains essential.

You enjoy helping other engineers grow and are comfortable discussing technical decisions and trade-offs with both engineering teams and business leadership.

Key Responsibilities:

Technical Strategy & Architecture

• Take ownership of the technical roadmap for the mobile platform and ensure it supports overall product and business objectives.
• Assess new technologies, frameworks, and approaches and recommend those that provide meaningful value.
• Define and continuously improve mobile architecture patterns across Android and iOS, including MVVM and MVI.
• Strengthen application layering and separation of responsibilities to support maintainability and modernization.
• Design and maintain modular, scalable codebases that encourage reuse and make it easier for the team to grow.
• Establish architectural standards, guidelines, and review processes.
• Promote native mobile engineering best practices while keeping up with developments across the wider mobile ecosystem.
• Use technical analysis and measurable data to support technology and architecture decisions.
• Regularly review the architecture and identify opportunities to improve data flows, system behavior, user interactions, and overall application design.

Engineering Leadership & Quality

• Provide technical direction and mentorship to mobile engineers and help establish a culture of continuous improvement.
• Lead the adoption of AI-assisted development within the mobile team, including evaluating agentic approaches, development tools, and new engineering workflows.
• Identify practical ways AI can improve engineering productivity and software quality.
• Define and continuously improve the mobile testing strategy, including unit and integration testing.
• Work with QA to increase appropriate end-to-end test coverage and establish consistent testing practices.
• Participate in code reviews and establish coding standards that promote maintainable, high-quality code.
• Work closely with Design and UX to ensure technical implementation supports product requirements, user experience, and established design systems.

CI/CD, DevOps & Releases

• Own and improve mobile build and deployment pipelines using GitHub Actions and Fastlane.
• Ensure the CI/CD process is reliable, efficient, and includes appropriate automated quality checks.
• Work with Engineering Management to maintain effective release processes for both the Apple App Store and Google Play Store.
• Maintain and improve feature flagging and remote configuration mechanisms to support controlled releases and rapid issue mitigation.
• Define and document release management practices that reduce deployment risks and improve release reliability.

Offline Data & Synchronization

• Own the architecture supporting offline-first mobile experiences and ensure the applications continue to work reliably under different connectivity conditions.
• Design and improve approaches for synchronization, conflict handling, data consistency, and eventual consistency.
• Define appropriate data refresh mechanisms, caching approaches, and local storage strategies.
• Identify opportunities to improve local data management and overall synchronization performance.

Cross-Team Collaboration

• Work with Product Management to turn business needs into scalable technical solutions, product roadmaps, and actionable insights into user behavior.
• Collaborate closely with Backend, API, and Web engineering teams to ensure reliable integration and consistent data contracts and API design.
• Partner with Customer Support to identify technical improvements that can increase customer satisfaction and reduce recurring support issues.
• Communicate architectural decisions and the mobile technical roadmap to leadership, clearly explaining available options, trade-offs, and recommendations.

Performance & Observability

• Analyze telemetry and product data from tools such as Kibana, Crashlytics, and Pendo to identify crashes, performance problems, and patterns in user behavior.
• Lead efforts to resolve identified issues and continuously improve the mobile experience.
• Optimize application performance across a broad range of devices and network environments, including unreliable or low-bandwidth connections.
• Perform profiling and benchmarking to support architecture and implementation decisions.
• Define and maintain compatibility strategies across supported operating system versions and device capabilities.

Security & Compliance

• Work with the Security team to establish and promote mobile security standards covering encryption, secure storage, authentication, and related practices.
• Use OWASP MASVS as a reference framework when reviewing mobile architecture and security practices.
• Collaborate with Security during annual Cobalt penetration tests and support remediation of identified issues.
• Assess third-party SDKs, libraries, and dependencies for potential security concerns.
• Establish appropriate review and approval practices for introducing new third-party tools and dependencies.

Requirements:

• 7+ years of professional experience developing mobile applications, including at least 3 years working in an architectural or technical leadership capacity.
• Practical experience with AI-assisted software development tools and a realistic understanding of their benefits and limitations.
• Experience helping engineering teams adopt AI-based development practices where they can improve productivity and quality.
• Strong hands-on expertise in native Android development with Kotlin and iOS development with Swift.
• Experience publishing and maintaining applications in both the Google Play Store and Apple App Store.
• Strong knowledge of mobile architecture principles, design patterns, and approaches for organizing scalable codebases.
• Hands-on experience designing and implementing offline-first applications and data synchronization solutions.
• Strong understanding of REST APIs, backend integration, and asynchronous programming, including technologies such as Kotlin Coroutines, Combine, Rx, or comparable solutions.
• Solid knowledge of mobile application security, including encryption, secure data storage, and authentication.
• Experience owning and improving mobile CI/CD pipelines and build automation.
• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline, or equivalent professional experience.
• Strong leadership and mentoring capabilities, with a demonstrated ability to influence technical decisions and support the professional growth of other engineers.
• Upper-intermediate to advanced English proficiency

Will Be a Plus:

• Experience implementing mobile payment functionality using Stripe or a comparable payment provider.
• Experience or familiarity with cross-platform technologies such as .NET MAUI, React Native, or Flutter.
• Familiarity with the Google Firebase ecosystem, including Crashlytics, Analytics, and Remote Config.
• Experience with Pendo or similar product analytics and in-app engagement solutions.
• Familiarity with mobile performance monitoring, profiling, and optimization tools.
• Understanding of DevSecOps practices and security testing approaches, including SAST, DAST, and dependency scanning.
• Experience working with feature flag platforms and remote configuration systems.
• Familiarity with SaaS products or field service management software.
• Previous experience working in a growth-stage technology company and dealing with the technical challenges that come with scaling.

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

On behalf of our Client from the USA, Mobilunity is looking for a Data Platform Engineer.

Our client develops software that supports companies working in commercial fire protection and mechanical services with managing their field operations and expanding their businesses. As a growing technology company, they value accountability, thoughtful choices, and creating a tangible impact. They bring together people who are curious, collaborative, and open to different perspectives, while giving them the independence and support to address meaningful challenges. From the start, you’ll be trusted with real responsibilities, encouraged to explore better ways of working, and given room to develop as your role and experience grow.

The position focuses on building and improving large-scale batch and streaming data pipelines with Python, SQL, and AWS services including DMS and Kinesis.

You’ll be responsible for shaping the architecture of cloud-based data platforms, developing efficient ETL/ELT processes, improving CI/CD and Infrastructure-as-Code practices, and supporting the growth of less experienced engineers. AI-assisted development tools will also be part of the engineering workflow, with a strong focus on maintaining reliability, performance, and data accuracy across the platform.

As part of the Data Platform team, you’ll work on critical batch and real-time data processing systems that support advanced analytics used by thousands of commercial contractors. The role provides full ownership of complex data solutions, from architectural decisions through implementation and ongoing optimization. You’ll also have the opportunity to introduce modern AI-assisted development approaches and help other engineers develop their technical skills in a collaborative, quality-focused environment.

About You

You take responsibility for the systems you work on and stay engaged until a problem is fully resolved. When an issue appears, you’re willing to investigate beyond your immediate area of responsibility to identify the underlying cause and make sure it is properly addressed.

You care about building reliable, maintainable solutions and continuously look for opportunities to improve system performance, scalability, and efficiency. You approach challenges proactively, focus on delivering results, and are motivated by creating solutions that provide a positive experience for customers.

Key Responsibilities:

• Take the lead in developing, testing, and maintaining scalable Python solutions for data ingestion, transformation, and processing across both batch and streaming environments.
• Create and improve data models and transformation processes that support advanced analytics and changing business intelligence requirements while maintaining strong data quality and performance.
• Develop, optimize, and monitor high-throughput ETL/ELT pipelines using AWS DMS, Kinesis, and other data integration technologies.
• Investigate data pipeline failures and performance issues, identify their underlying causes, and introduce preventative measures to improve reliability and protect data integrity.
• Support junior engineers through mentoring and establish clear documentation practices for code, data models, and engineering processes to promote knowledge sharing and consistency.

Requirements:

• Strong Data Engineering Background: Hands-on experience designing and developing data engineering solutions, performing thorough code reviews, and working with complex, large-scale ETL/ELT pipelines.
• Cloud Data Platform Expertise: Extensive practical experience with enterprise cloud data platforms such as Amazon Redshift, Google BigQuery, or Snowflake, including knowledge of their architecture and approaches to performance optimization.
• Advanced Programming Proficiency: Expert-level skills in Python and SQL (including advanced optimization techniques in MySQL, Postgres, and SQL Server), coupled with extensive experience with complex transformations and a strong command of AWS services (DMS, S3, Airflow, Kinesis, DocumentDB, CloudWatch, Kubernetes, Glue).
• CI/CD & Infrastructure as Code: Experience designing and maintaining GitHub-based version control workflows and implementing advanced CI/CD processes for data infrastructure, together with a strong understanding of Infrastructure-as-Code practices and tooling.
• AI-Assisted Engineering: Practical experience working with AI development tools such as Claude Code, GitHub Copilot, or Cursor, combined with the ability to validate, test, review, and take responsibility for AI-generated output.
• Upper-intermediate to advanced English proficiency

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

Join our dynamic team at CoreWillSoft GmbH as a QA Engineer! We build innovative security software for critical facilities and infrastructure, combining building automation, IoT, and physical access control to protect what matters most.

We are looking for an experienced General QA Engineer to join our team in ensuring the quality and reliability of our products that are used by multiple businesses across Europe, USA and Canada. Our Agile team operates from multiple locations with headquarters in Bonn, Germany, and is responsible for the complete software development lifecycle; including initiating, implementation, and operation of the physical access control software operating multiple electronic locks over different radio protocols and RFID identification media.

This is an exciting opportunity to work on cutting-edge projects involving high-security hardware and technology in a creative, international environment. You will have the chance to work with a talented team and make a real impact on our customers' businesses.

What you`ll do:

• Prepare QA related documentation that align with the product and company needs.
• Perform testing on physical security systems and extensions, ensuring their functionality and reliability.
• Collaborate closely with the Product Manager and development team to supervise product quality.
• Continuously develop testing processes and methodologies to improve product quality and efficiency.
• Analyze product performance metrics and provide insights for improvements.
• Work with cross-functional teams, including engineering, sales, and support, to ensure a seamless customer experience.
• Stay up-to-date with industry trends and best practices in quality assurance. Willingness for the professional self development inside the QA team and on the company level.

What we offer:

• Meaningful Impact: Build solutions that are used every day by thousands of businesses your work will directly improve real-world security and connected device experiences.
• Product & Process Ownership: Help shape not only the product, but also how we build and deliver it your ideas and decisions will have visible impact.
• Industry Influence: Contribute to key security standards and best practices, staying ahead of the curve in a fast-evolving industry.
• Modern Tech Stack & Hardware: Work with the latest hardware and the tools you need to do your best work.
• Time Off & Flexibility: Vacation days, paid sick leave, and public holidays in line with German legislation plus flexibility built around outcomes, not micromanagement.
• Learning & Development Budget: We support continuous growth by covering hard and soft skills courses, trainings, and access to e-learning platforms.
• Coworking Support: Prefer not to work from home every day? We offer coworking compensation so you can choose the environment that fits you best.
• Language Learning Support: Monthly fixed compensation you can use to improve your English or German through the learning format of your choice.
• Strong Team Culture: Open collaboration, a flat structure, and thoughtful onboarding your voice is heard, and you can make an impact from day one.

What you`ll bring:

• Experience in manual QA testing (web, mobile and/or desktop), preferably in physical security systems or similar domains.
• Strong understanding of QA methodologies, tools, and processes.
• Hands-on experience with automation testing and maintaining automated test coverage.
• Knowledge of the Software Development Lifecycle
• Experience with test planning, execution, and reporting.
• Strong communication and collaboration skills.
• Advanced English language knowledge
• Experience with product development methodologies (Agile, SCRUM / Kanban)
• Strong analytical and problem-solving skills, with a focus on continuous process improvement on the product and company level.
• Basic knowledge of computer science, scriptwriting, system topology understanding, networking infrastructures and protocols understanding, familiarity with database management systems.
• Experience in API testing.
• Experience in AI usage in testing activities
• Tooling knowledge e.g. git, UNIX command-line tools, curl, Charles Proxy, Wireshark, development tools.
• Understanding of general security concepts and security testing.

Nice to have:

• Experience with IoT products in building automation and physical access control.
• Degree in Computer Science, Engineering, or related field.
• German language skills.
• Automation testing.
• AWS EC2 knowledge

N-iX is seeking a dynamic and results-driven Global Marketing Specialist to join our Global Marketing Team. This role focuses on driving impactful offline and online events, developing comprehensive marketing collateral, and managing rich media content for key N-iX business areas. If you excel at creating engaging experiences and managing diverse content platforms, this is your opportunity to strengthen to our global brand presence.

Primary Responsibilities:

•  Events Marketing Support:
  • Execute, and manage marketing activities for industry  offline and online events, including conferences, webinars, and workshops.
• Partnership Marketing Support:
  • Support co-marketing initiatives with strategic technology partners (e.g., AWS, Snowflake, OpenAI, Anthropic), including joint campaigns, events, and content.
  • Maintain and update partner-facing marketing assets, such as partnership pages, badges, and co-branded materials, to reflect current certifications and offerings.
• Marketing Collateral Management:
  • Maintain a comprehensive marketing collateral wiki, including PPTs, one-pagers, leaflets, demos and webcasts, ensuring all materials are up-to-date and easy to access. 
  • Work with subject matter experts to gather and organize information.
  • Contribute to a regular digest of new and updated collateral to boost visibility and adoption among client-facing teams.
• Cross-Functional Collaboration:
  • Partner with design, content, and sales teams to ensure alignment of event and content strategies with overall business objectives.
  • Work with technical experts to produce accurate and engaging content.

• Marketplace Management. Manage company placements on review platforms (Clutch, Gartner, etc.)

   

Requirements:

• 2+ years of experience in B2B technology services marketing, PaaS, SaaS.
• GenAI tool literacy, with hands-on experience applying them in marketing work 
• Proven experience in planning and executing successful offline/online events.
• Strong business content writing skills.
• Experience in developing and managing marketing collateral wikis or similar knowledge management systems.
• Strong understanding of rich media production and distribution.
• Excellent organizational and project management skills.
• Strong communication and interpersonal skills.
• Ability to analyze event and content performance data.

• Proactive and results-oriented mindset.

   

Highly Desirable:

• Familiarity with marketing automation platforms and analytics tools 
• Experience working in a global marketing team or with diverse international markets.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Cloudfresh ⛅️ is a Global Google Cloud Premier Partner, Zendesk Premier Partner, Asana Solutions Partner, GitLab Select Partner, Hubspot Platinum Partner, Okta Activate Partner, and Microsoft Partner.

Since 2017, we’ve been specializing in the implementation, migration, integration, audit, administration, support, and training for top-tier cloud solutions. Our products focus on cutting-edge cloud computing, advanced location and mapping, seamless collaboration from anywhere, unparalleled customer service, and innovative DevSecOps.

We are looking for a Google Workspace Solutions Engineer to take full technical ownership of domain configurations, tenant architectures, user onboarding workflows, and complex migrations for our enterprise clients.

This is a client-facing, hands-on engineering role where precision is everything. You will lead end-to-end migration projects, enforce zero-trust security policies, and build seamless third-party SaaS integrations—ensuring smooth transitions with zero unexpected business downtime. While we look for solid technical fundamentals, you don't need to tick every single box on day one. If you bring strong engineering habits and a sharp troubleshooting mindset, we are fully prepared to train and upskill you on the specialized tools and workflows you need to succeed. 

Responsibilities

• Migration & Implementation Ownership: Lead end-to-end Google Workspace deployments, domain cutovers, tenant architectures, and data migrations for SMB and enterprise clients across EMEA.
• Ongoing Client Support & Advisory: Act as a reliable technical point of contact post-implementation—assisting clients with system maintenance, troubleshooting operational requests, and helping them maximize their Workspace environment.
• Security & Compliance Hardening: Implement identity governance, security policies, data protection (DLP), and authentication frameworks (SSO, SAML) integrated with IdPs like Okta and Azure AD/Entra ID.
• Technical Architecture & DNS Control: Configure, manage, and troubleshoot complex mail routing, tenant structures, and DNS records (MX, SPF, DKIM, DMARC) across providers like Cloudflare and Route53.
• Process Automation: Leverage CLI tools (GAM) and Google Workspace APIs to automate bulk provisioning, migration workflows, and administrative tasks.
• Change Management & Client Advisory: Act as the trusted technical lead during deployments—guiding non-technical stakeholders through platform changes, workflow shifts, and post-go-live support with clarity and empathy.
• Troubleshooting & Diagnostics: Serve as the final escalation point for diagnostic challenges, including DNS propagation delays, sync errors, and API quota management.

Requirements

• Experience & Seniority: 3+ years of overall experience working with SaaS or Cloud platforms, including hands-on experience administering or configuring Google Workspace
• Tooling & Technical Stack: Deep, practical experience using Google Workspace Migration Tools (GWMMO, GWMME, GCPME), GAM, Google APIs, and advanced DNS management platforms.
• Identity & Authentication: Hands-on experience configuring SSO, SAML, and Directory Integrations using major Identity Providers (Okta, Azure AD/Entra ID).
• Protocol & Security Mastery: Sharp, fundamental understanding of email architecture, routing, and verification protocols (SPF, DKIM, DMARC, MX record prioritization).
• Project Ownership & Detail Focus: Proven track record of taking full technical accountability for migration outcomes with zero tolerance for unverified data or skipped DNS validation.
• Communication & Stakeholder Management: Excellent client-facing skills with the ability to explain complex technical migrations clearly to non-technical business leaders.

• Languages: B2/C1 (Upper-Intermediate to Advanced) English for leading technical discovery meetings, client presentations, and documentation.

   

Would be a plus

• Professional Google Workspace Administrator Certification.
• Experience with additional cloud identity providers or third-party email security gateways (e.g., Proofpoint, Mimecast).
• Scripting capability (Python, Apps Script, or Bash) to extend Google Workspace APIs and automated workflows.

Work Conditions

• Flexible Work Format: Work remotely, allowing you to balance your professional and personal life efficiently.
• Training with Leading Cloud Products: Access in-depth training on cutting-edge cloud and SaaS solutions, enhancing your expertise and equipping you with the tools to succeed in an ever-evolving industry.
• International Collaboration: Work alongside A-players and seasoned professionals in the cloud industry.
• Global Exposure: Expand your expertise by engaging with international markets across the EMEA region.
• Vibrant Team Environment: Be part of an innovative, dynamic team that fosters both personal and professional growth, creating opportunities for you to advance in your career.

When applying to this position, you consent to the processing of your personal data by CLOUDFRESH for the purposes necessary to conduct the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of April 27, 2016 (GDPR).

Additionally, you agree that CLOUDFRESH may process your personal data for future recruitment processes. You can withdraw this consent at any time.

About us

GlobalBet is an independent B2B provider of virtual sports solutions. We build realistic virtual sports products used by operators worldwide. We’re hiring a System Administrator for a full-time engagement.

The role

Remote. Working hours Mon–Fri ~10:00–18:00 Ukraine time. Start ASAP. Day-to-day work in English. Engagement via independent contractor agreement with full-time focus (not a multi-client freelance side gig).

You’ll:

- Manage and monitor servers, applications, and databases

- Handle escalated customer issues with 1st-level support

- Maintain and upgrade server environments; monitor performance and create alerts

- Manage streaming environments (server-based and cloud)

- Install/configure OS and applications; troubleshoot system and network problems

- Keep documentation for support and customers

Must have:

- 2+ years hands-on Linux in production (Debian/Ubuntu strongly preferred): users, permissions, packages/updates, troubleshooting, performance

- Network fundamentals (TCP/IP, VPN, firewalls)

- Web servers (Nginx, HAProxy, and/or Apache)

- Virtualization (ProxMox, KVM/libvirt, or similar)

- English B1+ (B2 preferred)

Nice to have:

Windows Server (AD/Azure/SQL/M365); MySQL replication/backups; MongoDB/Redis/RabbitMQ; Sophos/Ubiquiti; occasional off-hours flexibility.

How we work

Startup mentality, ownership, growth. Process: short recruiter intro → technical interview → offer.

Apply with a short note on Linux production experience, timezone, and availability.