Jobs at Djinni

We are looking for an Assistant Sales Manager to join our growing team in Ukraine.
DARLY SOLUTIONS is an international IT company specializing in delivering innovative solutions across FinTech, MedTech, SaaS, etc.

With years of experience in web and mobile development, UI/UX design, Quality Assurance, AI, and machine learning, we pride ourselves on creating impactful products that drive success for our clients.
Since 2018, we have successfully completed over 250 projects.

Examples of our work across various domains can be found on our website - https://www.darly.solutions/

We leverage cutting-edge technologies to craft powerful, forward-thinking solutions tailored to our clients’ needs. Our team is proficient in a diverse range of tools, including Angular, NestJS, React, Vue, PHP, Ruby, NodeJS, and many others.
 

Requirements

- Experience in B2B sales lead generation, or completion of relevant courses;
- Proficiency in written and spoken English (B2+);
- Experience with CRM (Pipedrive, HubSpot, Odoo, or similar);
- Understanding of the IT market, basic development terms;
- Analytical mindset and a proactive attitude;
- High self-organization and ability to multitask.
 

Responsibilities

- Support the Sales Manager with daily tasks such as planning, updating the CRM, preparing for calls, and reporting;
- Handle initial communication with leads via LinkedIn, email, and Upwork;
- Participate in qualification calls with potential clients;
- Maintain communication throughout the sales funnel;
- Analyze the effectiveness of outreach and Upwork strategies and suggest improvements;
- Coordinate with marketing to improve the inbound flow;
- Gradually take on more responsibility and grow to become a Sales Manager.
 

Would be a plus

- Experience with Upwork, Clutch or LinkedIn outreach;
- Experience in closing deals or preparing commercial proposals;
- Understanding of outstaffing/outsourcing business models.

Work conditions

- Flexible work format - remote, 8-hour working day without time trackers;
- Competitive salary;
- Tight-knit and friendly team;
- Personalized career growth;
- Up to 50% coverage of the cost of professional courses;
- Vacation time, sick-leaves, national holidays ;
- Competitive bonuses for a personal recommendation of new employees;
- Professional development tools (mentorship program, tech talks and workshops);
- English classes with a teacher;
- Corporate events and team buildings.

If you have what we are looking for and would love to join our Darly team, we want to hear from you!

About Us

We are a german software development company working with a wide range of clients across different industries. Our projects span SaaS platforms, subscription models, marketplaces, and custom digital products.

For several ongoing and upcoming client projects, we are looking for a highly experienced Stripe expert who can support us on a freelance basis – both strategically and hands-on.

This is not a junior or mid-level position. We are specifically looking for someone who has implemented and configured Stripe in many complex, real-world production environments and has deep expertise in Stripe Billing, Checkout, and API integrations.

Your Role

As our Stripe Expert, you will:

• Advise our internal development teams (Flutter or VueJS/Nuxt-based projects)
• Support complex Stripe implementations across multiple client projects
• Audit and optimize existing Stripe setups
• Troubleshoot configuration errors and edge cases
• Guide clients through billing logic, pricing models, and subscription architecture
• Implement and adjust Stripe integrations directly when needed
• Assist in handling pricing migrations and subscription transitions
• Help avoid common pitfalls in Stripe configuration and product modeling

You will work closely with our developers and occasionally interact with clients in a consultative capacity.

Required Expertise

We are looking for someone who:

• Has extensive hands-on experience with Stripe Billing & Checkout
• Has set up and configured many Stripe projects from scratch
• Has handled:
  • Complex subscription models (monthly, annual, usage-based, tiered pricing)
  • Coupons, discounts, and promotional logic
  • Multiple price changes and migrations in live systems
  • Subscription upgrades/downgrades and proration
  • Trials and grandfathered pricing
  • Webhooks and event-driven billing logic
  • Tax configuration (e.g., Stripe Tax, EU VAT cases)
  • Payment failures and dunning logic
  • Customer portal configuration
• Is highly familiar with:
  • Stripe Admin Dashboard (deep configuration knowledge)
  • Stripe API (server-side & client-side integrations)
  • Webhook debugging and error handling
  • Test mode vs. live mode differences
• Has experience resolving real-world edge cases and production issues
• Can quickly identify architectural mistakes in existing Stripe setups
• Understands how to structure products, prices, and subscriptions properly from a long-term scalability perspective

Technical Context

Our client projects typically use:

• Flutter (mobile/web apps)
• VueJS / Nuxt

You do not need to be a full-stack expert in all technologies, but you must understand how Stripe integrates into modern frontend/backend architectures.

What We Expect

• Strong consulting capability (you can explain complex billing logic clearly)
• Independent, structured working style
• Ability to quickly analyze and fix misconfigured Stripe environments
• High reliability and responsiveness
• Experience working with agencies or multiple parallel client projects is a plus

Ideal Candidate Profile

• 5+ years of hands-on Stripe experience
• Proven track record of multiple live Stripe Billing implementations
• Deep knowledge of subscription lifecycle management
• Comfortable working in complex, evolving billing environments
• Strong understanding of Stripe best practices and common pitfalls

About the Role

We're growing fast and looking for a Manual QA Engineer to help ensure the quality and stability of our frontend project. You will work closely in a team with developers, project/product managers, and other QA specialists to identify and report issues, validate new features, and verify overall product behavior. This role is focused on performing manual testing to help ensure that all frontend features work as expected and meet our quality standards before release.

Who We Are

Our RnD department is at the heart of innovation and consists of ten teams that develop internal tools, marketing systems, CMS, CRM, and payment solutions that power our company’s success. With a strong focus on modern technologies, automation, and performance, we create high-load and scalable solutions that drive business growth.

Why Join Us?

• You’ll work on a major frontend project, helping ensure its stability, usability, and overall quality.
• You’ll be part of a team where QA processes and tools are well-structured and actively maintained by a dedicated QA Team Lead.
• You’ll collaborate closely with PMs, frontend/backend developers, and designers in a supportive and technically strong RnD environment.
• If you’re looking to grow as a QA professional, contribute to a live product, and be part of a team that values quality—this is the perfect opportunity for you!

Requirements

Must-Have:

• 3+ years of experience in manual Web application testing.
• Proven experience in UI/frontend testing using DevTools.
• Understanding of Web and client-server interaction principles.
• Experience working with Figma for UI/UX validation.
• Basic skills in working with GraphQL/Rest API (sending queries, analyzing responses).
• Familiarity with HTML and CSS.
• Knowledge and practical application of test design techniques. 
• Proficiency in test management systems (e.g., TestRail, Qase, Zephyr), Jira, Confluence, and Postman.
• Experience in writing test checklists, test cases and bug reports.
• Solid understanding of software development methodologies (Agile, SDLC, bug lifecycle).
  Nice-to-Have:
• Basic knowledge of automated testing concepts.
• Basic knowledge of JavaScript or TypeScript.

• Familiarity with performance testing tools.

  Responsibilities:

• Conduct manual testing of web applications across desktop and mobile platforms to ensure consistent user experience and functionality.
• Design, maintain, and execute comprehensive manual test cases for new and existing product features.
• Develop positive, negative, and boundary test scenarios to validate application behavior under various conditions.
• Participate in various testing phases including smoke, functional, regression, and acceptance testing.
• Analyze and test GraphQL queries and APIs, using Postman, and Swagger
• Create detailed and well-documented bug reports, working closely with developers to ensure timely resolution.
• Maintain and regularly update test documentation, including test cases, checklists, and test run results.
• Collaborate with cross-functional teams to understand product requirements and ensure quality standards are met.

• Contribute to the continuous improvement of testing processes and overall QA best practices.

  Benefits:

• 18 business days of paid vacation + public holidays compensation.
• Insurance Fund of the company.

• Partial coverage of all professional studies.

  **Coverage of sick leaves, sports activities, and English language courses.

About the Role

We are expanding our team and looking for a Business Analyst who will interact with different development teams and business stakeholders under the guidance of a senior BA. This is a great opportunity to deepen your business analysis expertise in a product-driven environment, take ownership of real initiatives, and further develop your professional skills.

Who We Are

Our RnD department consists of ten teams developing CRM, marketing tools, CMS, payment solutions, and other systems. Business analysts play a key role in gathering requirements, describing business processes, and ensuring communication between the business and development teams.

Why Join Us?

• You will gain experience working on high-load projects in collaboration with experienced analysts and development teams.
• You will upgrade your skill of transforming business needs into requirements for development teams and participate in creating business documentation.
• You will work in an environment that encourages learning and growth, with access to internal practices, documentation, and colleagues’ expertise.
•  

Requirements

• 2+ years of experience in IT.
• 2+ years of experience as a Business Analyst / PM / PM Assistant.
• Experience independently leading features or functional areas.
• Strong experience in gathering, analyzing, formalizing, and managing requirements.
• Ability to transform business needs into clear specifications and well-defined acceptance criteria.
• Experience conducting impact analysis when requirements change.
• Ability to identify risks, dependencies, and edge cases.
• Experience working with stakeholders.
• Practical experience working in Scrum / Kanban environments.
• Confident use of Jira and Confluence.
• Strong understanding of web and client-server architecture principles.
• Practical experience working with APIs (HTTP methods, status codes, authorization).
• Experience working with Postman and Swagger.
• Strong understanding and practical experience with GraphQL (queries, mutations, schema structure).
• Understanding of database structure (tables, relationships, keys).
   

Responsibilities

• Lead features or functional domains from discovery to delivery, taking ownership of analysis activities.
• Gather, analyze, document, and manage business and functional requirements; prepare and maintain BRD, functional specifications, and related artifacts.
• Participate in solution discussions and contribute to defining optimal implementation approaches.
• Contribute to improvements of business processes and product logic where applicable.
• Model business processes (BPMN / UML / flow diagrams).
• Define API and integration requirements in collaboration with development teams.
• Conduct impact analysis and assess risks when requirements change.
• Participate in acceptance and validation of implemented functionality.
• Collaborate closely with stakeholders to clarify and validate business needs.
   

Benefits

• 18 business days of paid vacation + compensation for public holidays.
• Health insurance covered by the company.
• Partial or full coverage of professional training.
• Compensation for sick leaves, sports activities, and English courses.

Our customer:

A B2B SaaS platform for automating sales, contracts, and revenue. The platform unifies the entire deal lifecycle — from quote creation to revenue recognition.

Your Tasks:

• Collaborate with engineering teams to design, implement, and maintain reliable and scalable infrastructure.
• Manage and troubleshoot Kubernetes clusters in cloud environments (AWS, Azure, or GCP).
• Maintain and optimize containerized workloads, including Helm charts and CI/CD pipelines.
• Write scripts to automate operational tasks using Bash, Python, or Go.
• Monitor production systems and implement observability solutions using Prometheus, Grafana, and OpenTelemetry.
• Conduct root cause analysis for incidents and implement preventative measures.
• Continuously improve deployment workflows, production reliability, and operational efficiency.

Required Experience & Skills:

• 3+ years of professional experience in DevOps or Site Reliability Engineering roles.
• Hands-on experience with Kubernetes administration.
• Hands-on experience with troubleshooting in cloud environments.
• Experience managing containerized workloads and maintaining Helm charts.
• Solid understanding of CI/CD principles and tools (e.g., Jenkins, GitLab CI, GitHub Actions).
• Proficiency in scripting languages such as Bash, Python, or Go.
• Knowledge of monitoring and observability ecosystems (Prometheus, Grafana).
• Experience of distributed tracing with OpenTelemetry.
• Strong collaboration and communication skills within engineering teams.
• Strong problem-solving skills with a proven track record of performing root cause analysis.
• Good command of English (written and spoken).

Would Be a Plus:

• Experience running, deploying, and debugging Java applications in production.
• Proficiency with Java build tools (Maven or Gradle) and CI pipeline optimization.
• Understanding of JVM fundamentals (memory management, garbage collection).
• Experience maintaining and scaling Elasticsearch clusters.
• Experience managing MongoDB in production environments.

Working conditions

• 5-day working week, 8-hour working day
• Remote work.

Join Ajax Systems, the leading manufacturer of cutting-edge Ajax wireless security systems with smart home capabilities. As a full-cycle company, we take pride in our ability to transform ideas into innovative products through development and mass production.

With a diverse range of 135+ devices, the Ajax line safeguards premises against burglary, fires, and floods while providing seamless control over electrical appliances. Our solutions have earned us Europe's highest security awards, solidifying our position as a trusted name in the industry.

Today, Ajax protects more than 1,800,000 users in 170 countries worldwide. As our company continues to thrive, we are constantly seeking active individuals to join our team and contribute to our ongoing growth.

Responsibilities:

• Implement the learning strategy and annual plan aligned to business goals.
• Partner with leaders and stakeholders to run enterprise- and team-level training needs analysis by function and role.
• Design, source, or curate learning programs and content; choose delivery modalities.
• Review individual and organizational development needs.
• Launch programs and oversee delivery logistics with L&D specialists and HR partners.
• Ensure a positive learner experience and clear communication.
• Hire, coach, and coordinate L&D Specialists (where applicable).
• Manage L&D budgets; negotiate contracts and manage vendor relationships.
• Act as the primary contact for learning queries; drive adoption and engagement.
• Measure learning impact with clear metrics; report outcomes and use data to improve.
• Monitor the success of development plans and help employees make the most of learning opportunities.
• Develop HR team capabilities in training where L&D sits in HR.
• Be on top of the new professional education and training trends, methods and techniques and constantly improve the learning & development processes.

Requirements:

• 5+ years' experience of working on a L&D Manager? Training Manager or other relevant position (preferably IT company).
• Significant experience with effective learning and development methods, tracking metrics.
• Experience with Learning Management System courses design is a plus, good knowledge of e-learning platforms and sources/practices for learning.
• Experience in project management and budgeting.
• Strong communication and negotiation skills? with a good ability to build relations with employees and vendors.
• Strong organizational skills with business-oriented thinking.
• Upper-intermediate English.

We offer:

• Opportunity to build your own processes and best practices;
• A dynamic team working within a zero-bullshit culture;
• The office is safe as it has a bomb shelter;
• Reimbursement for external training for professional development;
• Ajax's security system kit to use;
• Official employment with Diia City ;
• Medical Insurance;
• Flexible work schedule.

This is a hands-on engineering role in a fast-moving cybersecurity startup building an advanced AI SOC for cloud environments across AWS, Azure, and GCP. This is not a classic backend or full-stack web position. This role focuses on data engineering, automation, distributed systems.

What You’ll Do

- Design, develop, and maintain Python services that interact with cloud provider APIs and telemetry sources 

- Build scalable, event-driven processing pipelines 

- Develop serverless components and cloud-native integrations 

- Work with large volumes of cloud logs and security data 

- Optimize performance, reliability, and cost across distributed systems - Debug complex production issues in multi-cloud environments 

- Collaborate closely with research, DevOps, and product teams

Must-Have Requirements

- Minimum 4+ years of hands-on Python development experience 

- Proven experience developing production systems in a startup environment 

- Strong understanding of distributed systems and asynchronous processing 

- Experience building software that runs in production and handles real-world scale 

- High ownership mindset and ability to work independently Strong problem-solving skills

Strong Advantage

- Experience with AWS, Azure, or GCP 

- Experience working with cloud SDKs: AWS (boto3), Azure SDK, GCP SDK 

- Familiarity with cloud security, telemetry, or infrastructure APIs 

- Experience working with multi-cloud environments

Ajax Systems is an international tech company and the largest manufacturer of security systems in Europe, with over 4 million end users and 290K PRO users in more than 180 countries worldwide. The company offers end-to-end solutions for protecting homes and businesses of any scale. To date, Ajax product portfolio includes 180 devices for intrusion protection, video surveillance, fire and life safety, and comfort and automation.

About the role

Clear and comprehensive documentation is not just an add-on to a product. It’s the key to how quickly partners and users can deploy the Ajax system — and how confidently they can take advantage of all its features. This is exactly the kind of documentation you’ll be creating with us.
 

What awaits you:

• Working with devices ranging from motion detectors to advanced fire safety systems.
• Writing both dry technical specifications and in-depth articles about AI principles in cameras.
• Daily collaboration with R&D, PROD, marketing, product managers, and web developers.
• Preparing documents together with the certification team to meet international standards and bring products to new markets.
• Becoming a “translator” of complex technical language into clear, user-friendly content.
   

Responsibilities:

• Write technical specifications and align them with R&D.
• Create web instructions that make complex features easy to understand for users.
• Prepare supplementary materials and recommendations for convenient product use.
• Support marketing projects from the technical side and grow your own expertise.
   

This role is for you if:

• You take pleasure in precision: details are not a burden but a tool.
• You believe complex things can be explained simply and elegantly.
• You feel comfortable in a dynamic environment where change is the norm.
• You have experience working with technical texts.
• You are proficient in Ukrainian and English (B2–C1).

What we offer:

• Working in dynamically growing multinational and multicultural Group.
• Ability to add value to the business by applying your knowledge and skills.
• Ajax security system kit (you will be a part of the beta-testing program and will be able to test new devices and features before official release).
• Full-time working schedule.
• Medical insurance.

About The Role

As a Middle Software Engineer in our Machine Learning department, you will take ownership of high-impact initiatives that drive product quality, monetization, and user experience. You’ll apply your expertise in Python, data analysis, and modern AI tools to build, deploy, and optimize ML solutions end-to-end. This is a hands-on technical role that blends data science and engineering to deliver measurable business outcomes. You’ll collaborate closely with cross-functional stakeholders and contribute to evolving areas such as LLMs, Generative AI, and ML infrastructure. The role offers exposure to complex data challenges and the opportunity to shape Pearl’s AI-driven capabilities.

What You’ll Do

• Build, train, and deploy ML models that improve product performance and monetization.
• Collaborate with data, product, and engineering teams across multiple internal initiatives.
• Design and implement data pipelines for extraction, transformation, and analysis.
• Apply statistical and machine learning techniques to real-world business problems.
• Work on projects involving LLMs and Generative AI technologies.
• Analyze large datasets to identify trends, insights, and optimization opportunities.
• Integrate ML models into production systems and monitor their performance.
• Communicate findings and recommendations clearly to technical and non-technical stakeholders.
• Experiment with emerging AI tools and methodologies to enhance existing workflows.
• Ensure data quality, reliability, and scalability in all deliverables.

What We’re Looking For

• 3+ years of hands-on experience in ML Engineering or Data Science.
• 3-4+ years total experience in software or data engineering.
• Strong programming skills in Python.
• Proficiency in SQL for data querying and analysis.
• Solid understanding of data processing, analysis, and visualization.
• Experience with LLMs / Generative AI tools (e.g., OpenAI, Copilot, Cursor).
• Ability to build and deploy ML models end-to-end.
• Strong analytical and problem-solving mindset.
• Experience with .NET for integration work
• Upper-intermediate English proficiency (B2 or higher).
• Familiarity with Databricks or similar data platforms (nice-to-have).
• Exposure to AWS or other cloud-based ML environments (nice-to-have).

Why Join Us?

• High-Impact Data — Work with vast datasets generated by over a million daily visits, uncovering valuable insights.
• Collaborative Analytics Team — Join a team of 30+ skilled analysts who actively share knowledge and support each other.
• Cutting-Edge Tools & Techniques — Get hands-on experience with ML, Bayesian methods, and LLMs to solve real business challenges.
• Data-Driven Culture — Thrive in an environment where data informs every decision and drives continuous improvement.

About Us

Our team consists of like-minded and motivated professionals passionate about photography, photo editing, and innovations. TouchRetouch is our most well-known app, trusted by millions of photographers worldwide.
We are passionate about innovation and excellence, and we are looking for a Strong Middle / Senior iOS Developer to join our team and help us maintain the highest standards of quality in our mobile apps.

Job Description

As a Strong Middle / Senior iOS Developer at ADVA Soft, you will take ownership of key parts of our iOS applications and actively contribute to architectural decisions, performance optimization, and feature development.
You will collaborate with designers, product managers, and developers to deliver pixel-perfect, high-performance apps that delight our users.
You’ll also have the opportunity to mentor less experienced teammates and help shape the technical direction of our projects.

Key Responsibilities

• Design and implement complex features with a focus on performance, scalability, and clean architecture.
• Participate in defining architecture and choosing the best patterns and frameworks for new and existing products.
• Collaborate with designers to translate UX/UI ideas into functional and visually appealing interfaces.
• Optimize performance and ensure high stability and reliability of existing applications.
• Conduct code reviews, mentor junior developers, and enforce best coding practices across the team.
• Participate in sprint planning and provide accurate time estimations for development tasks.
• Integrate and maintain analytics, attribution, and subscription frameworks such as RevenueCat, AppsFlyer, and Amplitude.

• Stay up-to-date with the latest iOS technologies, trends, and tools to continuously improve development processes.

   

Qualifications

• 3+ years of professional iOS development experience.
• Strong proficiency in Swift and Objective-C (including experience with mixed Swift/Obj-C projects).
• Solid understanding of UIKit.
• Deep knowledge of iOS frameworks, multithreading, memory management, and performance optimization.
• Proven experience implementing clean architectures (MVVM, VIPER, Clean Swift, etc.).
• Hands-on experience with RevenueCat, AppsFlyer, and Amplitude.
• Understanding of asynchronous programming.
• Strong understanding of UIViewController/UIView lifecycle, Auto Layout, Animations, and adaptive UI for iPhone/iPad.
• Familiarity with Gitflow and collaborative team workflows.
• Experience integrating in-app purchases, push notifications. 

• Intermediate+ English for effective communication and documentation.

   

   

Would Be a Plus

• Experience working with C++ classes to exchange data with the core part of the application (bridging between C++ and Swift/Objective-C layers).
• Experience with Combine or Swift Concurrency (async/await).
• Familiarity with Agile/Scrum methodologies.
• Understanding of UI/UX principles and ability to collaborate closely with designers.
• Bachelor’s degree in Computer Science, Information Technology, or related field.

• Previous experience mentoring or leading small teams.

   

What We Offer

• Flexible working hours and remote work options.
• Comfortable, fully equipped office in Lviv, Ukraine.
• Opportunity to work on high-impact, globally recognized products like TouchRetouch.
• Collaborative and inclusive team culture focused on innovation and quality.
• Paid medical leaves and 28 paid vacation days per year.
• Continuous professional growth through code reviews, internal knowledge sharing, and collaboration with experienced engineers.

Team in UA is looking for an experienced and highly talented Senior TypeScript Full-Stack Software Engineer to join the foundational team, leveraging the power of AWS Media Services to develop an enterprise-grade live video distribution platform from the ground up.

Your Role

As the Senior TypeScript Full-Stack Software Engineer, you will:

• Write code. A lot of it. You will be the key part of a small but nimble team creating a brand-new software platform from scratch. 
• Design, develop, deploy and maintain the cloud infrastructure in Amazon Web Services to support the product’s on-going needs.
• Participate in the engineering decision-making process to ensure a scalable, secure, and maintainable system.
• Collaborate closely with a team of engineers to build a streaming platform that will set new standards in the industry.

Requirements

We are seeking a candidate with:

• Product mindset: Your focus is on delivering a great product that adds value to users. You understand and enjoy the unique challenges of making business and technology tradeoffs. 
• Technical Proficiency: Strong command of JavaScript, TypeScript, Node/NestJS, React/NextJS, REST API, relational databases (PostgreSQL).
• Proven Expertise: 5+ years of commercial software development experience, primarily as JavaScript/TypeScript backend or full-stack developer within product teams.
• Cloud & Infrastructure: Hands-on experience with Amazon Web Services (AWS), Docker and Terraform. 
• Leveraging AI: You understand and have experienced the great benefits of using AI to help you be more productive. 
• Educational Background: A BS/MS degree in Computer Science or a related field.
• Systems Design & Architecture: Solid experience in designing systems and willingness to lead the engineering process using modern methodologies.
• Communication: A collaborative team player with strong communication abilities.
• Self-Organization: Ability to estimate work, commit to deadlines, and deliver high-quality code.
• Adaptability: Ready to thrive in a fast-paced environment with shifting priorities.

• Language Skills: Excellent written and verbal communication skills in English.

   

Value-Added Qualifications

• Cybersecurity training and certifications.

   

What We Offer

• Career growth: as one of the first engineers in an ambitious new startup, you get to shape your career, make mistakes, learn skills, and ultimately grow your role and career at a very fast pace. 
• Competitive Salary: Annual performance review with potential for compensation adjustments.
• Flexible Work Environment: Option to work remotely or from a company-sponsored co-working space.
• State-of-the-Art Equipment: Company-provided laptop, monitor(s), and other peripherals to ensure a comfortable and efficient workspace.
• Comprehensive Benefits Package: Includes 17 business days of paid time off, 5 paid sick leave days, and more.
• Professional Development: Partial or full sponsorship for English classes, relevant technology courses, and conference attendance.

We are hiring an Integration Specialist / Automation Engineer for our client.

Our client is a fast-growing consumer health brand in the gut health / probiotics space, operating primarily on the U.S. market. The company sells products through major retail chains and online marketplaces and is scaling its operations across e-commerce, logistics, finance, and internal analytics. Automation and system integrations play a critical role in supporting this growth.

The role is focused on building and maintaining integrations between internal tools and external services, automating operational workflows, and ensuring reliable data flows across systems.

Responsibilities

• Build integrations between applications and platforms using APIs
• Automate business and operational workflows across multiple systems
• Use Make.com (Integromat) as the primary automation platform
• Develop, test, maintain, and refactor automation logic
• Use Python and PostgreSQL for applied development and data tasks
• Translate business requirements into structured technical solutions
• Maintain and improve existing integrations; troubleshoot issues
• Create and maintain clear technical documentation
• Collaborate with a project manager and other technical stakeholders

Requirements

• 1–3 years of experience in software development, integrations, or automation
• Strong hands-on experience with Make.com (Integromat)
• Solid understanding of APIs and third-party integrations
• Working knowledge of Python and SQL (PostgreSQL)
• Proven problem-solving and debugging skills
• Ability to work independently in a fast-paced environment
• English level sufficient for written and spoken communication

Working format

• Full-time, remote
• Working schedule: 17:00 – 02:00 (Ukrainian time)

What our client offers:

• Competitive compensation aligned with market standards
• A stable full-time role in a growing international business
• Opportunities for professional growth and long-term collaboration
• A flexible, remote-friendly working environment
• Bonuses and benefits system (will be discussed during the interview)

This position is open exclusively for Ukrainian residents within Ukraine (preferably Kyiv or Lviv).

Cossack Labs is a British cybersecurity firm with R&D centres in Ukraine. We solve security challenges in complex security-sensitive systems end-to-end: we deliver R&D, services, developer tools and bespoke solutions addressing practical risks in high-stakes scenarios.

The Infrastructure & Hardware department is seeking an experienced Hardware Engineer to strengthen our experienced and talented team!

We take on mission‑critical projects and invent solutions to problems that have never been solved before. If you thrive on challenges, enjoy exploring the unknown, and are prepared to work diligently and responsibly, we want you on our team. In this role, you will contribute to creating secure, high-stakes products and deliver solutions with meaningful social impact. We solve unconventional problems, so there is a lot of space for creativity during the R&D stage.

What you should bring to the table:

• Strong knowledge of electronics, including the design of digital circuits based on microcontrollers
• Excellent orientation in a modern component base and approaches
• Experience in prototyping electronic devices
• Circuit debugging using special equipment such as logic analysers and oscilloscopes.
• Experience with EDA tools for electronics design (e.g., KiCAD, Altium, Eagle) and preparation of manufacturing documentation
• Knowledge of technical English (reading and writing documentation)
• Strong communication skills are a must — if you can say it clearly, we can build it quickly
• Collaboration skills for effective cooperation with a team of professionals

What will make you stand out?

• Basic skills in mechanical CAD software (Fusion 360, AutoCAD, SolidWorks, OpenSCAD, FreeCAD)
• Ability to solder fine-pitch components (e.g., LQFP with 0.5 mm pitch)
• Firmware debugging using in-circuit debuggers, programmers, or log files
• Practical experience in reverse engineering
• Programming skills
• Experience with version control systems (Git)
• Experience with Linux
• Basic understanding of cybersecurity and/or cryptography

What will you do with all those skills?

• Develop schematics
• Design PCB layouts
• Prototyping and soldering experimental samples and units
• Develop test stands and other additional equipment for research and testing purposes
• Take part in reverse engineering in bounds of security assessments
• Develop technical documentation, including Gerber, BOM, and assembly drawings
• Collaborate with a team of talented engineers when doing everything above

Hiring process:

• Resume review — 5-7 business days
• Questionnaire and your answers review — 3-4 business days
• Test task
• Introduction call with the Head of Infrastructure & Hardware Engineering
• Technical interview with several team members
• Offer discussion
• Years of fantastic collaboration :)

What’s in it for you?

• Competitive compensation with a flexible and clear bonus scheme
• Hybrid work model: This position allows for a combination of in-office and remote work as needed
• Paid vacation (21 business days per calendar year) and sick leave
• Individual development plan based on your preferred growth direction
• We are building solutions on the intersection of technologies: software development, information security, and cloud/on-prem infrastructure engineering. Sometimes, working with unique technologies — we design applied cryptography schemes and techniques and explore novel ways to implement them
• Reasonable time budgets and an attitude to build things well — we prioritise building for decades, rather than just until the next release
• Conferences, books, courses — we encourage learning and sharing within the community. Our team members contribute a lot to talks, workshops, and blog posts

About Us:

We are an outsourcing company working on top-tier projects, ranging from large corporations to government departments. Our team is passionate, professional, and ready to welcome a responsible Frontend Developer with strong skills and a collaborative mindset.

Requirements:

• Commercial experience with React (functional components, hooks)
• Strong knowledge of TypeScript
• Experience with state management (Redux / React Query / Zustand)
• Integration with REST APIs (async logic, error handling)
• Experience with modern styling approaches (Styled Components / Emotion / Tailwind / SCSS)
• Understanding of UI performance optimization (memoization, lazy loading, code splitting)

Mandatory requirement:

Confident and effective daily use of Claude Code.

Nice to have:

• WebSockets / real-time data handling
• Unit testing (Jest, React Testing Library)

• Understanding of CI/CD and code review processes

   

Responsibilities

• Develop and maintain SPA frontend applications
• Build scalable and maintainable component architecture
• Integrate with APIs and implement client-side business logic
• Optimize performance and improve UX
• Write clean, well-structured TypeScript code
• Use Claude Code to accelerate development, generate boilerplate, refactor, and improve code quality

• Participate in code reviews and technical discussions

   

What to Expect from Our Process:

We keep our hiring process simple, focused. Here’s how it works:

1. Initial conversation + test

An intro call to get to know each other, discuss your background. We will also ask you to complete a test to assess the level of your theoretical knowledge.

2. Technical interview

A deep dive into your experience. 

3. Interview with CEO/COO

A final conversation focused on company vision and cultural fit. It’s also your chance to ask any big-picture questions.

What We Offer:

• Competitive salary based on experience.
• Friendly and cohesive team environment.
• Opportunities for professional growth and development.
• Flexible working hours and the possibility of remote work.
• Exciting projects with modern technologies.

About the Role

We’re looking for a Senior GCP DevOps Engineer (6+ years) with deep experience building and operating production-grade Kubernetes platforms on AWS.

You’ll lead the design, scaling, and reliability of cloud-native, Kubernetes-first infrastructure, working closely with engineering teams to enable secure, automated, and highly available deployments.

Key Responsibilities

• Kubernetes (EKS):
  • Design, build, and operate production-grade EKS clusters
  • Implement GitOps workflows with ArgoCD
  • Manage autoscaling and capacity using Karpenter
  • Own cluster upgrades, networking, security, and performance
• AWS Infrastructure:
  • Design and manage AWS environments using Terraform
  • Strong focus on EKS, IAM, VPC, ALB/NLB, ECR, and managed services
• Helm & Platform Engineering:
  • Create and maintain Helm charts for shared and application workloads
  • Build reusable Kubernetes platform components
• Containers:
  • Build, optimize, and secure Docker images
  • Enforce container security and best practices
• CI/CD:
  • Design and maintain pipelines using GitHub Actions (and Azure DevOps where needed)
  • Enable fast, safe Kubernetes deployments
• Observability:
  • Implement Prometheus, Grafana, and ELK for monitoring, logging, and alerting
  • Own SLOs, alerts, and operational visibility
• Reliability & Security:
  • Improve availability, scalability, and security across Kubernetes and AWS
  • Apply best practices for IAM, networking, and secrets management

Required Skills & Experience

• 6+ years as a DevOps / Cloud Engineer
• Strong Kubernetes expertise, especially EKS, Helm, ArgoCD, and Karpenter
• Deep GCP knowledge with hands-on production experience
• Advanced Terraform usage for infrastructure and EKS
• Strong CI/CD experience (GitHub Actions, Azure DevOps)
• Solid Docker and container security knowledge
• Strong troubleshooting and communication skills

Nice to Have

• Experience operating large-scale or high-availability Kubernetes clusters
• Knowledge of GCP cost optimization and cloud security best practices
• Experience with multi-account AWS and governance
• Other platforms: GCP, Azure, OpenShift