Jobs at Djinni

We are a rapidly growing SaaS company and are seeking long-term team members to join us.

Mission:
Your mission is to increase company revenue and reduce costs by improving our payment infrastructure.

We welcome candidates without direct payments experience — backgrounds in consulting, Big4, finance, or analytics are a strong fit. What matters most is analytical thinking, the ability to quickly grasp new processes, effective communication, proactivity, and engagement.

Why this role is exciting

• Work with global challenges — payments at scale with a Tier 1 market product using Stripe as our primary payment provider.
• High business impact — your decisions in the payments area can directly increase company revenue.
• Deep dive into a critical expertise area — payments remain one of the most promising domains in finance and fintech.
• Professional growth — this role can be a stepping stone to leadership positions in the financial function.

Your scope of work

• Optimize payment processes — analyze and improve payment acceptance rates, identify bottlenecks, test new markets and payment methods to boost conversion.
• Manage and improve payment provider setup — work with Stripe to configure accounts, improve checkout flows, and ensure payment infrastructure stability.
• Manage risks — analyze chargebacks and friendly fraud cases, implement alert systems, and set up retry processes to recover failed payments.
• Build and automate processes — implement and scale solutions that improve payment operations efficiency.
• Drive measurable business results — increase revenue and reduce costs through higher approval rates and lower fees.

What you’ll need

• 2+ years of experience in analytics, finance, consulting, or audit (Big4, IB, corporate finance, or FP&A in a large company).
• Strong analytical skills and ability to work with large datasets.
• Willingness to learn fast and dive deep into the details of payment infrastructure.
• Excellent communication skills for effective collaboration with colleagues and external partners.
• Proactivity and ownership mindset.

Nice to have:

• Experience with SQL / PowerQuery / BigQuery.
• Experience in B2C SaaS, fintech, or with payment systems.
• Experience with payment data, fraud prevention, or similar domains.

We offer

• Continuous feedback and support for skill development.
• The resources you need to do your job effectively.
• Full autonomy — no micromanagement or bureaucracy.
• A strong team of professionals.
• Freedom to bring your ideas to life and make an impact on the product.

Benefits

• Thoughtful onboarding process.
• Remote or office work, flexible schedule.
• Competitive salary.
• Full coverage of professional training (courses, meetups, certifications).
• Performance reviews twice a year.
• Medical insurance and company doctor.
• 20 paid vacation days and unlimited paid sick leave.
• Free breakfast and lunch at the office.
• Sports reimbursement.
• Apple equipment.

Interview process

1. Pre-screen with recruiter (30 min)
2. Test task
3. Bar-Raising Interview (1 hour)

Quantum is a global technology partner delivering high-end software products that address real-world problems. 

We advance emerging technologies for outside-the-box solutions. We focus on Machine Learning, Computer Vision, Deep Learning, GIS, MLOps, Blockchain, and more.

Here at Quantum, we are dedicated to creating state-of-the-art solutions that effectively address the pressing issues faced by businesses and the world. To date, our team of exceptional people has already helped many organizations globally attain technological leadership.

We constantly discover new ways to solve never-ending business challenges by adopting new technologies, even when there isn’t yet a best practice. If you share our passion for problem-solving and making an impact, join us and enjoy getting to know our wealth of experience!

About the position

Quantum is expanding the team and has brilliant opportunities for a proactive Senior Data Engineer who can design, implement, and evolve scalable data systems in AWS. We are building a greenfield analytics platform supporting both batch and real-time data processing. This role is a strategic blend of hands-on development, high-level architectural decision-making, and end-to-end platform ownership.

The client is a technological research company that utilizes proprietary AI-based analysis and language models to provide comprehensive insights into global stocks in all languages. Our mission is to bridge the knowledge gap in the investment world and empower investors of all types to become “super-investors.”

Through our generative AI technology implemented into brokerage platforms and other financial institutions’ infrastructures, we offer instant fundamental analyses of global stocks alongside bespoke investment strategies, enabling informed investment decisions for millions of investors worldwide.

Must have skills:

• 5+ years of experience in Data Engineering
• Strong hands-on experience with Apache Spark (including Structured Streaming)
• Experience building both batch and streaming pipelines in production environments
• Proven experience designing AWS-based data lake architectures (S3, EMR, Glue, Athena)
• Experience with event streaming platforms such as Apache Kafka or Amazon Kinesis
• Experience implementing lakehouse formats such as Delta Lake
• Strong understanding of partitioning strategies and schema evolution
• Experience using SparkUI and AWS CloudWatch for profiling and optimization
• Strong understanding of Spark performance tuning (shuffle, skew, memory, partitioning)
• Proven track record of cost optimization in AWS environments
• Experience with Docker and CI/CD pipelines
• Experience with Infrastructure as Code (Terraform, AWS CDK, or similar)
• Familiarity with monitoring and observability practices
• Upper-Intermediate or higher English proficiency (spoken and written)

Would be a plus:

• Experience in the financial domain
• Experience running Spark workloads on Kubernetes
• Exposure to or interest in Large Language Models (LLMs) and AI integration
• Experience implementing data quality frameworks or metadata/lineage systems

Your tasks will include:

• Design and implement batch and streaming data pipelines using Apache Spark
• Build and evolve a scalable AWS-based data lake architecture
• Develop and maintain real-time data processing systems (event-driven pipelines)
• Own performance tuning and cost optimization of Spark workloads
• Define best practices for data modeling, partitioning, and schema evolution
• Implement monitoring, observability, and data quality controls
• Contribute to infrastructure automation and CI/CD for data workflows

• Participate in architectural decisions and mentor other engineers

   

We offer:

• Delivering high-end software projects that address real-world problems
• Surrounding experts who are ready to move forward professionally
• Professional growth plan and team leader support
• Taking ownership of R&D and socially significant projects
• Participation in worldwide tech conferences and competitions
• Taking part in regular educational activities
• Being a part of a multicultural company with a fun and lighthearted atmosphere
• Working from anywhere with flexible working hours

• Paid vacation and sick leave days

   

Join Quantum and take a step toward your data-driven future.

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio.

We are currently looking for a highly proactive and detail-oriented Media Insights Analyst to join one of our clients' teams. If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you.

Key Responsibilities:

• Interpret client requirements and translate them into actionable reporting deliverables, including dashboards, report templates, and data queries.
• Manage timelines and deliverables, ensuring high-quality reports are delivered on schedule with consistent formatting and visual standards.
• Produce clear, accurate, and insightful analyses based on KPIs, performing thorough proofreading and data validation.
• Respond to client queries and feedback regarding reports, and contribute to internal training initiatives to improve team knowledge and efficiency.
• Conduct quantitative and qualitative analyses of media data to generate insights on brand perception, media performance, and industry trends.
• Utilize software tools, Excel, and PowerPoint to extract, manipulate, and present data, collaborating with internal teams and clients to drive value-added initiatives.
• Deliver reporting in Finnish and/or Swedish as required by client needs.

Job requirements

• Bachelor’s degree in Business, Marketing, Communications, Data Analytics, or a related field.
• Strong analytical skills with experience in media data analysis, reporting, and visualization.
• Proficiency in Excel, PowerPoint, and reporting software; familiarity with dashboard tools is a plus.
• Excellent attention to detail, with strong data validation and proofreading skills.
• Strong communication skills in Finnish and/or Swedish, with the ability to explain insights clearly to clients and team members.
• Ability to manage multiple projects and meet deadlines in a fast-paced environment.
• Experience in quantitative and qualitative media analysis is preferred.

Requirements:
•     3+ years of experience with Python and Linux
•     Ability to write high‑performance, optimised code
•     Solid understanding of computer fundamentals: memory, data transfer protocols
•     Knowledge of security principles and clean code practices
•     Strong independence: from identifying tasks to execution and delivery
Responsibilities:
•     Develop and optimise software solutions in Python
•     Work daily with Linux systems
•     Ensure performance, reliability, and security of code
•     Handle the full cycle of tasks: analysis, development, testing, deployment
We Offer:
•     Military reservation of employees

•     Relocation and accommodation compensation
•     Work in a modern technical environment
•     Competitive compensation and transparent conditions
•     Opportunities for professional growth and learning
•     A team that values quality and results
 

Meet the YozmaTech

YozmaTech isn’t just another tech company - we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family - you’ll feel right at home with us.

Our client transform back-of-house tech for the hospitality industry, replacing outdated processes with AI-driven solutions. This helps top hotel brands focus on delivering exceptional guest experiences while ensuring efficient operations.

Key Requirements:

🔹 6+ years of full stack engineering experience;
🔹 Advanced proficiency in Node.js (5+ years) and at least 1 year of commercial experience with .NET (C#);
🔹 Advanced proficiency in React and TypeScript;
🔹 Advanced proficiency with React, TypeScript;
🔹 Proficiency in leveraging AI tools to enhance engineering productivity, with specific hands-on experience using Claude Code;
🔹 Hands-on experience with SQL Server, PostgreSQL, MongoDB, or Redis;
🔹 Familiarity with frameworks like Express, NestJS, or ASP.NET Core;
🔹 Solid understanding of system architecture, automated testing, and security best practices;
🔹 Experience with Docker, CI/CD pipelines, and cloud platforms (AWS, GCP, or Azure);
🔹 Excellent communication and problem-solving skills; comfortable working in cross-functional teams;
🔹 Willingness to work in a role split approximately 60% backend and 40% frontend, with around 70% focused on new feature development and 30% on maintenance/bug fixes, including participation in on-call duties after the onboarding period.
🔹 English - Upper-Intermediate or higher.

Will be plus:

🔹 Experience with microservices architecture, GraphQL, or serverless functions;
🔹 Exposure to mobile development (especially React Native) or AI -based features;
🔹 Familiarity with DevOps practices and infrastructure-as-code (e.g., Terraform, Pulumi);
🔹 Domain experience in hospitality, logistics, or supply chain tech;

What you will do:

🔹 Design, develop, and ship end-to-end features using React, Node.js, TypeScript, and .NET (C#);
🔹 Build and optimize scalable APIs and backend services using SQL and NoSQL databases;
🔹 Own technical decisions around performance, security, maintainability, and code quality;
🔹 Collaborate closely with product managers, designers, and other engineers to deliver impactful features;
🔹 Participate in and lead code reviews, design discussions, and DevOps improvements;
🔹 Mentor junior developers and help evolve our engineering best practices;

Interview stages:
🔹 HR interview;
🔹 Interview with VP R&D;
🔹 Semi Live-coding interview;
🔹 Tech interview - code review;
🔹 References;
🔹 Offer.

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products - and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.

From day one, you’ll get:

🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer. You’ll always know what project you’re joining - and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

Description

As the Business Analyst for the Data Platform, you will be the vital link between our business stakeholders and the technical engineering team. You will be responsible for translating high-level business goals into clear, actionable requirements that will shape the development of our new analytics dashboards. Your work will ensure that the final product is not just technically sound, but that it delivers meaningful and impactful insights to the business.

Requirements

Required Skills (Must-Haves)

– Business Process Analysis: Proven experience in analyzing and documenting complex business processes.
– Requirements Engineering: Strong skills in writing clear and concise user stories and requirements documents.
– Data Literacy: Good understanding of database (DB) concepts, schemas, and data relationships.
– SQL: Basic to intermediate SQL skills for data exploration and validation.
– BI Knowledge: Familiarity with Business Intelligence (BI) concepts and experience working on BI or data warehousing projects.

– Hands-on Tableau Experience: Ability to build proof-of-concept reports and perform data exploration directly in Tableau.

Nice-to-Have Skills:

– Agile Certification: Formal certification in an Agile methodology, such as Certified Scrum Product Owner (CSPO).
– Data Governance Familiarity: Understanding of data governance principles.

– Proficiency in GenAI tools usage.

Job responsibilities

– Requirements Gathering: Lead workshops and interviews with business stakeholders to elicit, analyze, and document business requirements
– Translate to Technical Needs: Convert business needs into clear user stories and functional specifications for the data engineers and BI developer.
– Data Mapping & Analysis: Create source-to-target mapping documents and use SQL to explore source data, validate business rules, and ensure the technical team understands the data’s context.
– Dashboard Collaboration: Work closely with the BI Developer to design intuitive and effective Tableau dashboards that directly address the defined business questions.
– Facilitate Communication: Act as the primary communication bridge, ensuring there is a shared understanding between all project members and stakeholders.

– Collaboaration with Architect defining solution architecture and specifications

– Work closely with PM/Scrum master supporting Sprints/PIs plannings

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. 

We are looking for a Senior People Partner to join our team!

This role is for an experienced professional who can build strong partnerships with teams, implement modern HR practices, drive process automation, and contribute to employer branding initiatives.

Requirements:
- 3+ years of experience in an HR Business Partner / People Partner / HR Generalist role, preferably in a fast-growing or complex organizational environment;

- Strong understanding of core HR processes: onboarding, employee lifecycle management, performance management, engagement, and reporting;

- Proven experience working closely with managers and leadership teams, including handling complex people cases; 

- Ability to analyze data, prepare insights, and translate analytics into practical recommendations; 

- Strong organizational and planning skills, with the ability to manage multiple teams and priorities simultaneously;  

- Excellent communication and stakeholder management skills; 

- Ability to adapt policies and processes to business needs while maintaining consistency and compliance; 

- Experience working with HR systems and automation tools; 

- English level: Upper-Intermediate or higher.

Responsibilities:
- Implementation of a full cycle of HR processes for entrusted commands;

- Onboarding of HR process managers;

- Training and support of existing managers;

- Monitoring the level of “satisfaction” of employees;

- Identification of the needs of teams and the implementation of actions to implement these needs;

- Providing analytics for managers on a monthly basis;

- Reporting system on weekly/monthly/quaterly/yearly basis;

- Dealing with executive requests regarding their team;

- Adaptation of policies and procedures to the specifics of teams;

- Proposals and participation in the organization of events that will raise the team spirit;

- Development of new ideas to strengthen the corporate culture and brand of the employer.

Benefits:
☘️An exciting and challenging job in a fast-growing product company, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and other;

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed;

📍Beautiful offices in Warsaw, Limassol work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day;

🧑🏻‍💻Laptop & all necessary equipment for work according to the ecosystem standards;

🏖Paid vacations, personal events days, days off;

🫖Paid sick leave;

👨🏻‍⚕️Medical insurance;

💵Referral program enjoy cooperation with your colleagues and get the bonus;

📚Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;

🗣Free internal English courses;

🧘Sport benefit;

🦄Multiple internal activities: online platform for employees with quests, gamification and presents for collecting bonuses, RedCore talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays;

🎳Company events, team buildings.

We are looking for a Strong Junior / Middle Ruby on Rails Developer to join a client project focused on a CRM system for law firms, covering client management, cases, finances, and analytics. The system includes a significant amount of legacy code, with ongoing improvements, refactoring, and feature development.

There is also an opportunity to contribute to other projects based on workload and team needs.
 

Required skills, experience, and knowledge

• Strong experience with Ruby on Rails
• Experience working with and maintaining legacy systems
• Solid knowledge of PostgreSQL, SQL
• Understanding of REST APIs
• Experience with RSpec (testing basics)
• Basic experience with frontend (jQuery / React or similar)
• Understanding of OOP, SOLID, DRY, KISS principles
• Experience working in a team environment
• Upper-intermediate or higher English level

Responsibilities

• Develop and maintain web applications using Ruby on Rails
• Work with and gradually improve legacy codebase
• Implement new features and support existing functionality
• Write clean, maintainable code following team standards
• Participate in code reviews and testing (RSpec)
• Collaborate with the team and client on ongoing tasks and releases
• Contribute to planning and estimation within the team

Project workflows

• Daily standup with the tech team;
• Scrum workflow;
• Business hours — 10 am-7 pm Kyiv time.

We offer

• Competitive compensation that takes skills and experience into consideration
• Flexible working schedule
• A remote work option is available and welcome
• Health insurance
• Legal, and accounting support
• Minimum bureaucracy
• Speaking Club

We are seeking a skilled and motivated Support Engineer to join our IT Department. The ideal candidate will ensure the smooth operation and optimization of IT systems while providing technical support to end users. This role will primarily involve working with the Microsoft technology stack and Atlassian , ensuring high-quality service delivery and resolving technical issues efficiently.

Key Responsibilities:

• Technical Support:
  • Provide Level 1 technical support for Microsoft technologies (e.g., Windows OS, Office 365, Azure, SharePoint, Teams) and Jira, Confluence, etc.
  • Troubleshoot and resolve hardware, software, and network-related issues.
  • Escalate complex problems to higher-level teams as needed.
• Systems Maintenance:
  • Perform routine system monitoring, updates, and maintenance for IT systems and applications.
  • Manage user accounts, permissions, and group policies in Active Directory and Azure AD.
• Collaboration & Communication:
  • Work closely with other IT teams to ensure seamless integration of services.

  • Communicate effectively with stakeholders to understand and resolve issues.

     

Required Qualifications:

• Proficiency in Microsoft technologies, including Windows OS, Office 365, Azure, and SharePoint.
• 2+ years of experience in a technical support or similar role.
• Familiarity with Atlassian for documentation and collaboration.
• Strong analytical skills with the ability to diagnose and resolve technical issues promptly.
• Excellent verbal and written communication skills to interact with technical and non-technical users.

Would be a Plus:

• Microsoft certifications (e.g., Microsoft 365 Certified: Modern Desktop Administrator Associate).
• Experience with ITIL processes for incident and problem management.
• Knowledge of scripting languages like PowerShell.

We’re growing fast and looking for a DevOps Engineer to join our team and help us build reliable, scalable, and high-performance infrastructure.

🔧 What you’ll do:

• Build and support scalable, highly available systems
• Automate and improve CI/CD and release processes
• Work with AWS, EKS, Terraform, GitLab, Kafka, SQS
• Optimize infrastructure performance and costs
• Monitor systems and perform root cause analysis
• Collaborate closely with engineering teams
• Strengthen security and system reliability

🧠 What we’re looking for:

• 3+ years of DevOps experience
• Strong experience with AWS + Kubernetes (EKS)
• Hands-on with Terraform, Ansible, GitLab CI/CD
• Experience with monitoring & logging (Grafana, EFK, VictoriaMetrics)
• Understanding of networking (TCP/IP, routing)
• Experience building HA, fault-tolerant systems
• Strong problem-solving and communication skills

🤖 Bonus:

• Experience using AI tools to improve DevOps workflows
• Interest in automation and AI-driven engineering practices

🎁 We offer:

• Fully remote work & flexible schedule
• Paid vacation & sick leave
• No micromanagement — focus on results
• Modern stack & interesting challenges
• Team knowledge sharing & training sessions
• Equipment provided

Description

The client is one of the largest global independent private equity fund administrators, administering over $300 billion of private capital on behalf of its clients with offices in New York, San Francisco, Boston, Stamford, Dallas, and Luxembourg. They offer private fund sponsors a best-in-class combination of people, process, and technology, enabling fund sponsors to most effectively manage their operational infrastructure, financial reporting, and investor communications.

The client represents the most experienced and longest-tenured team in the private equity fund administration industry, with broad expertise across buyout, funds of funds, real estate, energy, infrastructure, credit, co-investment, hybrid funds, feeder funds, venture capital, retail, and managed accounts.

The project aims to provide well-prepared and formatted analytic data for the customer.

Requirements

• 6+ years QA experience
• Distributed backend systems
• API-heavy applications
• Enterprise web applications
• Experience with LLM-based systems (or strong understanding of AI system validation challenges)
• Java-based automation (RestAssured, JUnit/TestNG)
• Integration testing
• Performance validation

Critical Competencies

• Understanding that LLM systems are probabilistic
• Ability to design validation around tolerance ranges
• Risk-based testing mindset
• Enterprise governance awareness
• Leadership & coordination skills
•  

Job responsibilities

Own the end-to-end quality strategy and validation of an enterprise-grade AI-powered chatbot integrated with financial APIs. Responsible for quality governance across LLM behavior, backend services, frontend UI, and system integration.

• Define validation strategy for LLM-based orchestration
• Establish and maintain Golden Dataset validation framework
• Define manual drift validation process
• Prompt templates behavior
• Structured query outputs
• Guardrails & content safety enforcement
• Ensure reproducibility within defined tolerance limits
• API contract testing
• DTO normalization validation
• Context filtering & multi-tenant isolation tests
• Validate UI rendering
• Define regression scenarios for FE + BE integration
• Ensure UI reflects structured backend outputs correctly
• Own end-to-end test matrix
• Define performance validation approach
• Coordinate performance baseline verification
• Define automation coverage strategy
• Supervise Java-based automation framework
• Ensure CI integration of regression suite

• Define quality gates for release

   

What we offer

Culture of caring. At GlobalLogic, we prioritize a culture of caring. Across every region and department, at every level, we consistently put people first. From day one, you’ll experience an inclusive culture of acceptance and belonging, where you’ll have the chance to build meaningful connections with collaborative teammates, supportive managers, and compassionate leaders. 

Learning and development. We are committed to your continuous learning and development. You’ll learn and grow daily in an environment with many opportunities to try new things, sharpen your skills, and advance your career at GlobalLogic. With our Career Navigator tool as just one example, GlobalLogic offers a rich array of programs, training curricula, and hands-on opportunities to grow personally and professionally.

Interesting & meaningful work. GlobalLogic is known for engineering impact for and with clients around the world. As part of our team, you’ll have the chance to work on projects that matter. Each is a unique opportunity to engage your curiosity and creative problem-solving skills as you help clients reimagine what’s possible and bring new solutions to market. In the process, you’ll have the privilege of working on some of the most cutting-edge and impactful solutions shaping the world today.

Balance and flexibility. We believe in the importance of balance and flexibility. With many functional career areas, roles, and work arrangements, you can explore ways of achieving the perfect balance between your work and life. Your life extends beyond the office, and we always do our best to help you integrate and balance the best of work and life, having fun along the way!

High-trust organization. We are a high-trust organization where integrity is key. By joining GlobalLogic, you’re placing your trust in a safe, reliable, and ethical global company. Integrity and trust are a cornerstone of our value proposition to our employees and clients. You will find truthfulness, candor, and integrity in everything we do.

Only back-end devs with strong proficiency in Node.js are allowed, other candidates will be ignored.

Requirments:

• Understanding of modern Web and Mobile technologies

• Strong JavaScript knowledge and TypeScript

• Experience with Node.js

• Knowledge of either Nest.js, Express.js, KoaJS, or Meteor.js is an asset

• Strong object-oriented programming and design skills

• Expertise in MongoDB / NoSQL databases, FireBase/FireStorage

• Experience with creating of RESTful API services

• Ability to solve problems independently

• Outstanding teamwork and communication skills

• Intermediate reading and writing skills in English

• 2+ years of experience in web and mobile applications development

• Ability to quickly learn new technologies

will be an advantage:

• Front-end knowledges (e.g. React / Angular)

• Strong knowledge of PHP (or some of frameworks, e.g. Laravel)

• Knowledge of .NET or Python

Предлагаем

• Competitive salary

• Professional and friendly team

• Convenient office location

• Comfortable workplace

Duties:

• Build a web/mobile applications back-end using Node.js and frameworks

• Projecting database structure and logic

• Projecting big data environment and server-side architecture

• Attend daily stand-ups, planning sessions, and sprint reviews

Candidates from Sumy located prefer and welcome!

About project:

Backend development for mobile and web projects

Mobile Quality Assurance Tester

[Full-time, Remote, Freelancer]

SNEAK PEEK

⇨ Location: Remote, GMT+0/GMT+4

⇨ Interview process: HR interview ⇨ technical discussion ⇨ take-home challenge ⇨ final interview 

WHO ARE WE? 

At Rounds, we believe in harnessing the power of cutting-edge technology to drive business success. Our transformative, machine-learning technology identifies and optimizes mobile assets, while our team of experts, with their unparalleled human capital and business acumen, provides the strategic direction and support to turn mobile assets into profitable businesses. Together, we are revolutionizing the mobile industry.

THE ROLE

We are looking for a talented mobile QA specialist to join our R&D team. You will be responsible for testing various apps, reporting bugs and errors as well as documenting technical issues. In this role, you will work closely with our mobile developers to make sure our apps work flawlessly.

Hiring manager: Andrii Bizilia, Mobile QA Team Leader &  Anastasiia Zozulia, Mobile QA Team Leader 

RESPONSIBILITIES:

• Perform manual testing of Android/iOS applications.
• Generate bug reports.
• Write and maintain test documentation.
• Utilize Android Studio/Xcode to get and analyze logs.
• Work with app monetization.
• Communicate with developers on technical and functional details.
• Participate in cross-team communication on project topics.
• Engage in discussions about product behavior and features.

WHAT ARE WE LOOKING FOR?

• We are looking for a candidate with 0-3 years of experience in mobile testing (Android and/or iOS). 
• Understanding of software testing methodology and principles.
• Upper-intermediate level of English proficiency, both written and spoken.
• Flexibility and ability to quickly switch between tasks.
• Capability to work effectively in a team environment.
• Be a positive person😉
• We are open to hiring candidates in the beginning of their career who have completed courses.

INTERESTED?

Our recruitment process consists of the following steps: 

• HR Interview: 45 minutes
• Technical discussion with QA Lead: 60 minutes
• Test Task: ~1.5 hours of work
• Final Interview: 30 minutes

Only React.js devs please apply, fullstacks and other candidates will be ignored.

In connection with the expansion of the company, we are looking for a talented React front-end developer to join our friendly studio team in the Sumy office!

Feel free to contact us — if you are a pro and write code well, you should join us :)

Requirements:

— At least 2 years experience in front-end development (web development only).

— Knowledge of React js (next / ssr) is a must!

— Strong knowledge of TypeScript, JavaScript (ES 6).

— Intermediate level of English.

— Understanding how REST APIs work.

— Knowledge of HTML 5, CSS 3 (styled components).

— Understanding of Svn/Git principles is a must.

— Be able to understand other people’s code.

— Knowledge of Figma/Adobe XD at layout level.

— Punctuality and responsibility, meeting deadlines, willingness to learn new technologies.

We offer:

— work in a stable, dynamically developing company.

— the opportunity to participate in interesting projects, develop professionally and receive good bonuses!

— a great friendly atmosphere in the team, where the team knows how to interact effectively and always strives to give an excellent result!

— flexible schedule from 9 to 18.

Salary — according to the results of the interview, depending on knowledge and experience. Possibility of official registration after the trial period.

Duties:

— Development of the front-end part of mobile projects: creating the architecture of projects, writing the logic of functioning.

— Write cool code, and be the hero of our time :))

— Desire to work and develop further, master mobile technologies.

— Technologies and frameworks: GIT, Node JS, React, React Native, Redux (Saga), Context API, Rest API, WebSocket, SCSS, LESS, Styled-components, Google API, Facebook API, One Signal API, LiqPay API, Express JS, Mongoose.

about projects:

projects from scratch in the field of e-commerce, fintech, transport, etc.

you can cool skills up!

About the Role

INSTYTUTUM is a Swiss high-performance skincare brand scaling globally across the U.S., Europe, and the Middle East.

We are looking for a Performance Creative Strategist / Content Producer with a game-changing mindset — someone who doesn’t just create content, but builds high-converting creative systems that drive growth.

This is not a traditional content role.
This role sits at the intersection of creative strategy, performance marketing, and production.

🔥 What You Will Own

Creative Strategy & Production

• Develop bold, high-impact creative concepts for the U.S. market
• Own the full lifecycle of performance creatives: from idea → production → testing → scaling
• Turn skincare science into compelling, conversion-driven storytelling
• Create and oversee short-form video content (TikTok, Reels, YouTube Shorts)
• Generate hooks, angles, and narratives that capture attention and convert

Performance & Growth

• Build and scale creative-driven acquisition funnels
• Produce performance creatives for paid channels (Meta, TikTok, Google, YouTube)
• Work closely with media buyers to test, analyze, and scale winning creatives
• Continuously run creative experiments (A/B testing, iterations, new formats)
• Optimize content for conversion across ads, landing pages, and retention flows

Creative Systems & Scaling

• Build a repeatable system for creative testing and scaling
• Work with UGC creators, designers, and editors to produce high-volume creatives
• Identify trends, insights, and opportunities in the U.S. digital landscape
• Balance speed, volume, and quality in content production

🎯 What We’re Looking For

• 3–5+ years in creative strategy / performance marketing / content production (with performance focus)
• Proven experience creating ad creatives for paid social (Meta, TikTok)
• Strong understanding of creative testing, hooks, and conversion mechanics
• Experience working with U.S. market or global products
• Hands-on experience with short-form video and UGC formats
• Ability to combine creative thinking with data-driven decisions
• Background in IT product / mobile apps / DTC / beauty / wellness is a strong plus
• English: Upper-Intermediate+

❌ Not a Fit If

• You focus only on brand/content without performance metrics
• You have no experience with paid acquisition creatives
• You are looking for freelance / consulting / part-time work

💎 What We Offer

• Competitive above-market salary
• Official employment from day one
• 30 calendar days of paid vacation + sick leave
• Remote / hybrid format with Kyiv office option
• Strong onboarding and support
• Opportunity to build and scale a global creative engine from scratch

If you think in hooks, test ideas daily, and scale what works — we should talk.