Jobs at Djinni

About the Role:

We’re looking for a Full-Stack Developer - a proactive and curious developer eager to dive into the world of AI, LLMs, and innovative internal tools. This is a perfect role for someone with a solid technical background (preferably a recent graduate or final-year student) who wants to grow fast by working hands-on with cutting-edge technologies.

👉 What You’ll Do:

• Build and iterate on internal tools, prototypes, and product experiments with a strong focus on AI and LLM-driven solutions.
• Work as a Full-Stack engineer, using primarily Python (Django or FastAPI) on the backend and React.js on the frontend.
• Apply vibe coding practices — rapidly prototyping, experimenting, and shipping ideas with speed and creativity.
• Collaborate closely with product, design, and engineering teams to turn concepts into working features.
• Continuously explore and integrate new technologies in AI, LLMs, and modern web development.
• Take part in brainstorming sessions, contributing ideas that shape product direction and innovation.

👉 What We’re Looking For:

• 3+ years of hands-on commercial development experience.
• Strong foundation in Python with practical experience in Django or FastAPI.
• Basic to intermediate experience with React.js and modern frontend development.
• Understanding or strong interest in full-stack development (backend + frontend integration).
• Interest in vibe coding — experimenting, building fast, and iterating quickly with new tools and approaches.
• Curiosity about AI, LLMs, and how they can be applied in real-world products.
• Proactive and self-driven mindset — you take ownership and actively look for opportunities to build and improve.
• Technical education background (Computer Science, Engineering, or related field) is a plus.

👉 What we offer:

📈 Professional Growth Opportunities

• Ambitious goals and interesting projects;
• Regular & transparent performance review and feedback process;

• Possibility for both vertical or horizontal growth (in case you want to try a different path).

   

🎁 Benefits Program

• 18 working days of fully paid days off.
• Help with individual entrepreneurs’ questions and accounting support;

• Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.).

   

😌 Comfortable Working Conditions

• Flexible working hours;
• Provision of required equipment;
• Remote working model.

This vacancy requires office attendance in Kyiv

Responsibilities

• Development and support of SPA on ReactJS: web version mobile-first of a high-load application, admin panels for internal use, and marketing pages
• Collaborate with other teams to effectively meet the product and technical needs of the project
• Proactively participate in improvements and existing solutions tuning
• Share expertise and knowledge with your teammates

Requirements

• At least 5 years of commercial experience in development in JS (ES6+)/Typescript
• Strong knowledge of CSS, HTML5, SASS, Jest
• At least 2 years of commercial experience in development in with ReactJS version 16+ (hooks)
• Experience with state management frameworks: Redux and Redux toolkit preferred
• Intermediate English

What we offer:

• International company with several offices in different locations : Tel-Aviv, Kyiv, Warsaw, Limassol.
• Granting an Option;
• A professional environment with great people to work with;
• Competitive salary, performance review;
• Flexible working hours, no one here tracks your work time because our culture is built on trust and cooperation;
• Social package, including sports coverage, elite medical insurance for you and family;
• 20 working days paid vacation and 100% sick leaves coverage;
• Opportunities to make a difference, to develop and grow;
• Regular corporate celebrations, team buildings and fun activities;
• Comfortable office close to the metro station. Our Kyiv office is open 24/7 with all safety and health measures in place.

Responsibilities:

    •    Launch and scale PPC campaigns for dating offers (primarily Google Ads) - minimum 2 years+
    •    Keyword research and search intent analysis for dating vertical
    •    Creation and testing of ad copies compliant with dating policies
    •    Management of budgets, bids, CPA / ROI targets
    •    Setup and optimization of conversion tracking (registrations, subscriptions, payments)
    •    A/B testing of creatives, landers and funnels
    •    Monitoring traffic quality, approvals, bans and account health
    •    Working closely with tech / tracking / product teams
    •    GEO expansion and scaling profitable funnels

Requirements:

    •    Proven experience in PPC for dating offers
    •    Strong knowledge of Google Ads policies (dating, adult, sensitive content)
    •    Experience with keyword-based traffic (Search, Discovery)
    •    Understanding of dating funnels:
registration → subscription → rebill
    •    Ability to work with CPA / RevShare models
    •    Hands-on experience with trackers and analytics
    •    Strong optimization and scaling skills

Experience with Tier-1 GEOs (US, UK, CA, AU)
    •    Work with pre-landers and compliant funnels
    •    Experience recovering accounts / ads
    •    Understanding of cloaking risks and safe setups

We are looking for a detail-oriented and proactive Junior Manual QA Engineer

Requirements

✔️ 6 months – 1 year of experience in web application testing (or completed QA courses / internship)
✔️ Basic understanding of QA processes and testing methodologies
✔️ Experience or theoretical knowledge of test case and checklist creation
✔️ Basic knowledge of web development tools (Chrome DevTools, Web Developer Console, etc.)
✔️ Basic understanding of API testing
✔️ Familiarity with Postman or similar tools
✔️ Basic knowledge of SQL (simple SELECT queries will be a plus)
✔️ Attention to detail and analytical thinking
✔️ Good communication skills and willingness to learn
✔️ Experience working in Scrum teams will be a plus

Responsibilities

🔹 Manual testing of web and mobile applications
🔹 Execution of test cases and checklists
🔹 Assisting in preparation and maintenance of test documentation
🔹 Reporting and tracking issues in bug tracking systems
🔹 Participating in requirements analysis and documentation testing
🔹 Collaborating with developers and QA team members
🔹 Supporting quality assurance processes in the development lifecycle
🔹 Learning and improving QA skills and methodologies

We Offer

✨ Opportunity to work on interesting and challenging projects
✨ Mentorship and professional growth opportunities
✨ Competitive salary based on qualifications and experience
✨ Comfortable office location
✨ Paid vacation and sick leave

Ajax Systems is an international tech company and the largest manufacturer of security systems in Europe, with over 4.5 million end users and 330K PRO users in more than 180 countries worldwide. The company offers end-to-end solutions for protecting homes and businesses оf any scale. To date, Ajax product portfolio includes 280 devices for intrusion protection, video surveillance, fire and life safety, and comfort and automation. The company employs 5, 000 specialists.

We’re looking for a Junior Python Developer to join our AI team, where you’ll help teach our video

devices to see more than just a picture — to distinguish specific objects in the frame, track their

movement and behavior, and recognize events and the people involved.

This role focuses on the practical engineering work that makes it all possible — sourcing,

processing, and versioning training data across multiple formats and sources, developing internal

tools that ML engineers rely on daily, and contributing to a complete ML platform for automated

training, evaluation, and deployment.

What we’re looking for
 

Must have:

• CS fundamentals — familiarity with common data structures and algorithms

• Python skills — ability to write clean, maintainable code

• Database fundamentals — understanding of different database types, core concepts like

indexing, schemas, transactions, and SQL queries

• Basic understanding of computer vision concepts

• Experience working with common data formats — JSON, XML, YAML
 

Good to have:

• Experience with object detection frameworks

• Familiarity with OpenCV, NumPy, Pandas, or similar data processing libraries

• Exposure to MLOps tooling — experiment tracking, dataset versioning, data pipelines
 

We offer:

• An opportunity to take on new challenges, advance your career, and make a meaningful impact.

• Opportunity to be part of a fast-paced and dynamic environment that encourages creativity, critical thinking, and the exploration of new ideas.

Come Back Agency supports US software and technology companies by running their hiring process. We work with delivery and leadership teams to define roles, screen candidates, and manage interviews. Successful candidates are hired directly by the company and become part of its team.

Employer information:
This position is with a US-based software company providing custom development and AI implementation for North American clients. The team builds and maintains production software, including AI-enabled systems, and works in long-term client engagements.
Team members operate as part of an internal, distributed team and collaborate directly with client stakeholders.

About the role:

We are looking for a talented Node.js Backend Developer to join our dynamic team. You will be responsible for developing and maintaining server-side logic, defining and maintaining the central database, and ensuring high performance and responsiveness to requests from the frontend. If you’re passionate about building scalable backend systems and have experience with Node.js, Express,Nest,js Sequelize,Prisma, Socket.io, and databases like Redis, PostgreSQL, and MongoDB, we’d love to hear from you!

What you will do:

• Develop, maintain, and improve backend services using Node.js, Express.js, and Nest.js.
• Design scalable and maintainable system architecture for web applications and services.
• Build and optimize RESTful APIs and ensure secure integration with internal and third-party systems.
• Work with PostgreSQL, Redis, and MongoDB for data storage, caching, and performance optimization.
• Implement real-time functionality using Socket.io or similar technologies.
• Develop and support file upload and processing flows using Multer or equivalent tools.
• Implement secure authentication and authorization mechanisms using JWT, OAuth, and role-based access control.
• Apply backend security best practices, including CORS, input validation, error handling, and access control.
• Optimize application performance, reliability, and scalability in production environments.
• Write clean, maintainable, and testable code following best engineering practices.
• Collaborate closely with frontend developers, QA engineers, and product teams to deliver end-to-end features.
• Integrate external APIs, payment providers, cloud services, and other third-party solutions.
• Contribute to the design and development of microservices and distributed systems.
• Use Docker for local development, service orchestration, and deployment consistency.
• Deploy, monitor, and maintain services on AWS or other cloud platforms.
• Participate in code reviews, technical discussions, and architecture decisions.
• Maintain and improve technical documentation for services, integrations, and internal processes.

What we are looking for:

• 2+ years of commercial backend development experience with Node.js.
• English level B2 or higher.
• 2+ years of experience with Express.js and Nest.js in production projects
• Solid experience with Prisma or other ORMs and a good understanding of database design principles.
• Strong knowledge of REST API design, integration patterns, and backend best practices.
• Practical experience with Socket.io or other real-time communication solutions.
• Strong knowledge of PostgreSQL and experience with Redis for caching and performance improvements.
• Working knowledge of MongoDB and understanding when to use relational vs non-relational databases.
• Experience with Docker in development and deployment workflows.
• Good understanding of AWS services such as EC2, S3, Lambda, or similar cloud platforms.
• Solid understanding of backend security practices: JWT, OAuth, CORS, validation, authorization, and secure API design.
• Good knowledge of Git and collaborative development workflows.
• Understanding of microservices architecture, service communication, and scalable system design.
• Strong problem-solving, analytical, and debugging skills.
• Ability to write structured, readable, and maintainable code with attention to quality.
• Good communication skills and ability to work effectively in a team environment.
• Experience participating in code reviews and improving engineering quality.

Nice to have:

• Familiarity with CI/CD pipelines.
• Experience with Kubernetes.
• Exposure to logging and monitoring tools (e.g., ELK, Prometheus).

Hiring stages: Recruiter screening → Technical interview (live coding) → Final culture fit interview.

What We Offer:

• Working hours aligned with US time zones, typically 16:00-00:00 Kyiv time.
• English lessons to support clear and confident communication.
• Paid vacation and sick days.
• Fully remote work.
• Opportunities for professional growth within the team.
• Structured, personalized onboarding to help you ramp up effectively.

Apply with your resume and a short note outlining your relevant experience. You can also send your resume directly through our website at comeback.ua. Selected candidates will be contacted by the Come Back Agency.

Cloud Infrastructure Engineer

About the role:

We are looking for an experienced Cloud Infrastructure Engineer to join a fast-growing digital health product company focused on improving cardiovascular health outcomes.

The product combines applied science and technology to help users better understand and manage their heart health. The solution is already used at scale and continues to grow rapidly, which creates new challenges in infrastructure, scalability, and reliability.

You will play a key role in building, scaling, and securing a modern cloud infrastructure that supports data-heavy and ML-driven systems.

What you will do:

• Build and maintain a production-ready ML pipeline and data lake
• Improve and evolve build automation processes (transition from CI to full CD)
• Design, scale, and secure Kafka clusters running on Kubernetes
• Collaborate with engineering and security teams to improve infrastructure and compliance
• Develop monitoring systems, dashboards, alerts, and internal tools
• Identify and mitigate reliability and security risks in production systems

Tech stack:

Scala, Python, React Native
AWS, Kubernetes, Docker
Kafka, MongoDB, PostgreSQL, Redis
Nginx, ELK, Prometheus
Jenkins and other CI/CD tools

Requirements:

• 5+ years of experience in DevOps / Cloud Infrastructure roles
• Strong production experience with AWS (or another major cloud provider)
• Hands-on experience with Kubernetes and Docker in production
• Programming experience with at least one of: Scala, Java, or Python
• Experience with CI/CD pipelines and automation tools
• Solid understanding of distributed systems and scalable architectures

Nice to have:

• Experience with Kafka (clusters, streams)
• Experience with ML pipelines or data platforms
• Experience with AI-assisted development tools (e.g., Claude Code)
• Experience with monitoring/logging tools (ELK, Prometheus, etc.)

What we are looking for:

• Independent and proactive mindset
• Ability to learn quickly and adapt to new technologies
• Strong ownership and responsibility for infrastructure decisions

JustMarkets is looking for an experienced Head of Infrastructure to lead our engineering operations and maintain a highly loaded, globally distributed trading infrastructure. In this role, you will be solving complex architectural challenges within our hybrid platform, bridging our on-premise trading core (Windows, MetaTrader) with an evolving Linux and Cloud-native ecosystem. You will drive infrastructure automation, as well as lead, mentor, and scale a team of highly skilled engineers.

Responsibilities

• Manage team capacity, resource allocation, and establish effective 24/7 on-call rotation processes for incident response.
• Take ownership of the infrastructure budget (FinOps), optimizing cloud costs across AWS, Azure, and Alibaba
• Lead, mentor, and scale a team of DevOps and Site Reliability Engineers
• Define the hiring strategy, interview candidates, and scale the infrastructure team as the business grows.
• Set up, maintain, and ensure the high availability of the global trading infrastructure.
• Guide the architectural vision of our hybrid infrastructure, balancing established on-premise trading cores with scalable Cloud-Native environments.
• Build and maintain comprehensive platform solutions tailored for our software development teams або 
• Drive the automation of infrastructure using Infrastructure-as-Code (Terraform, Ansible) and build robust CI/CD pipelines.
• Implement and maintain enterprise-level network information security, including DDoS mitigation and infrastructure hardening.
• Collaborate closely with Engineering teams, Product Owners, and C-level stakeholders to align infrastructure roadmaps with business goals.
• Draw up documentation, disaster recovery plans, and instructions for infrastructure operations.
   

Requirements 

• 8+ years of hands-on experience in DevOps, System Administration, or Infrastructure Engineering in high-load environments.
• 3+ years of proven experience in a leadership role (managing teams of 20+ engineers).
• Solid experience with Cloud platforms (AWS, Azure, or Alibaba Cloud) and understanding of global network routing.
• Extensive knowledge and hands-on experience with IaC (Terraform, Ansible) and managing CI/CD pipelines.
• Knowledge of containerization and orchestration (Docker, Kubernetes) and a desire to drive Cloud-Native transformation.
• Strong background in network information security and implementing monitoring tools (e.g., Prometheus, Grafana, Datadog).
• Solid experience in administrating relational databases (MySQL).
• English level: Upper-Intermediate or higher (crucial for stakeholder management and technical documentation).
   

Will be a plus 

• Experience in the FinTech, CFD domain, or High-Frequency Trading.
• Experience managing and scaling MetaTrader (MT4/MT5) server environments.
• Expertise in configuring and managing Windows Server environments and proficiency in PowerShell scripting. 
• Proficiency in one or more programming languages
• Experience with PostgreSQL databases.
• Experience working with enterprise network architectures (BGP, bare-metal servers) and geo-distributed latency optimization.
   

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

We are the creators of a new fintech era!
Our mission is to revolutionize the world by making blockchain technology accessible to everyone in everyday life. WhiteBIT is a global team of more than 1,200 professionals united by a shared vision of shaping the Web3 future.
 

We are building our own blockchain ecosystem, ensuring maximum transparency and security for over 8 million users worldwide. Our cutting-edge solutions, rapid adaptation to market challenges, and technological excellence set us apart from traditional companies.
Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT, and VISA.

The future of Web3 starts with you — join us as a Liquidity Monitoring Specialist!

Requirements: 

— Higher economic education;
— Systemic thinking and analytical mind;
— Ability to work with tables (excellent knowledge of Excel: formulas, summary tables);
— Willingness to work different shifts (day, evening, night).

Responsibilities:

— Processing and analysis of trading operations;
— Monitoring the state of the market;
— Research and analysis of exchange situations with the help of information and analytical tools;
— Interaction with the technical department.

Will be a plus: 

— Commercial experience and knowledge in the crypto domain. 

Work conditions: 

Immerse yourself in Crypto & Web3:
— Master cutting-edge technologies and become an expert in the most innovative industry.
Work with the Fintech of the Future:
— Develop your skills in digital finance and shape the global market.
Take Your Professionalism to the Next Level:
— Gain unique experience and be part of global transformations.
Drive Innovations:
— Influence the industry and contribute to groundbreaking solutions.
Join a Strong Team:
— Collaborate with top experts worldwide and grow alongside the best.
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.

With us, you’ll dive into the world of unique blockchain technologies, reshape the crypto landscape, and become an innovator in your field. If you’re ready to take on challenges and join our dynamic team, apply now and start a new chapter in your career!
Let’s Build the Future Together!

Company Description

#1 talent intelligence platform and global leader in recruiting software which serves over 125,000 recruiters around the world.

Project Description

You will work across backend, frontend and mobile surfaces to deliver real, user-facing impact. You will integrate AI/ML-powered features into workflows, own complex integrations, and help evolve a product used at scale. This role is product-focused, integration-heavy, and well suited for engineers who enjoy owning features end-to-end.

Requirments

• Full stack experience at least 5 years — comfortable writing frontend, API, and backend code.
• Expert knowledge of React — production experience required.
• Expert knowledge of any backend MVC JS framework.
• Solid web fundamentals: HTML, CSS, JavaScript.
• Abililty to make correct engineering tradeoffs and own features end-to-end without hand-holding.
• Strong English — async-first, fully remote team.
• GitHub profile or relevant portfolio.

Nice to have: Postgres, Elasticsearch, Kubernetes.

Responsibilities

• Design and implement full-stack features using JS, GraphQL, and TypeScript/React.
• Integrate ML outputs into UI, search, and automations, working closely with AI and data teams.
• Build and maintain APIs consumed by web, mobile, and extension clients.
• Own feature quality including UX guardrails, edge cases, and observability.
• Contribute to scalable architecture across multi-region Kubernetes environments.
• Participate in code reviews, technical discussions, and iterative product delivery.

Tech Stack

The core of the application is written in Ruby on Rails, but more and more services are now being built with just JavaScript. Nevertheless, we prefer candidates with deep JS expertise who also willing to tap into the Ruby world from time to time.

Work conditions

Mon – Fri, 8h/day, overlap with US (EST) at least 6 hours(!).

Interviewing stages

1. HR interview with EchoGlobal
2. Online live coding test via CoderByte
3. Technical interview #1 (incl. screen sharing) // Team Member
4. Technical interview #2 (incl. screen sharing) // CTO
5. Job Offer

📍 Kyiv — office-based role (offline only)
💰 $1500 + bonuses
🕙 10:00 – 19:00

🔥 Office role in Kyiv (not remote)

We are looking for a German Language Trainer to work full-time from our Kyiv office with a team involved in tech and international projects.
 

👉 This is a fully offline position (office in Kyiv)

💡 About the role

You will work closely with IT / tech specialists and support teams, helping them improve their German communication for work with international clients.
 

🚀 Responsibilities

• Teach German to employees (tech / support teams) 🇩🇪
• Focus on business & IT communication
• Prepare employees for client interaction
• Adapt materials to real work scenarios
• Track progress and provide feedback
   

🎯 Requirements

• German level C1+
• Experience in teaching or corporate training
• Understanding of business / IT communication
• Strong communication skills
• Ability to explain clearly and practically
   

💸 What we offer

• $1500 fixed + bonuses
• Full-time office role in Kyiv
• Work with tech-oriented team
• Stable environment + growth
   

⚠️ Location

📍 Kyiv — office work only
👉 We consider only candidates ready for offline work
 

🚀 Why this role stands out

• Work with IT / tech environment
• Real communication, not academic theory
• Direct impact on team performance
• Long-term стабильность

Bitmedia Labs is an international product company founded in 2014. Today, we’re a team of 150+ specialists working globally, building products used by millions worldwide.

Our work spans two core areas:
• Game Development – browser-first games for global audiences, centered on reward-driven progression and long-term engagement.
• Digital Advertising – high-performance advertising and affiliate platforms across Web2 and Web3 markets.

We believe great products are built by people who take ownership – shaping direction, making decisions, and seeing their work turn into real impact. Now, we are looking for a Business development manager to drive advertiser acquisition and revenue growth of our Digital Marketing ecosystem. In this role, you will own the full sales cycle, build long-term partnerships with advertisers, and actively contribute to the global scaling of our advertising products in the programmatic and Web3 space.

Requirements:
• 2+ years of experience in Programmatic Sales, ideally within an ad exchange or ad network, proven track record of working with leading SSPs and DSPs;
• Experience with content distribution, PR, and influence marketing;
• Solid understanding of digital advertising CPM/CPC/CPA, programmatic buying, RTB, attribution models;
• Strong prospective skills: email outreach, LinkedIn sales, cold calls, networking;
• Excellent negotiation and communication skills, ability to close deals;
• Goal-oriented, proactive,self-driven personality with consistent follow-up habits;
• Strong organizational skills, acute attention to detail, with the ability to multitask;
• Interest in crypto and web3;
• Upper-intermediate English.

Responsibilities:
• Handling all incoming requests from new users;
• Manage the full sales cycle: from prospecting, outreach, qualification, product demo, proposal creation to deal closing;
• Arrange online/offline meetings with prospective clients;
• Ensure clear visibility and management of the sales pipeline via CRM systems and reporting tools;
• Maintain CRM: update deal stages, log activities, prepare forecasts, and reports;
• Tack KPIs, refining sales strategies to improve performance and outcomes;
• Readiness to represent the company at global Programmatic and AdTech events;
• Presence and foster strategic partnerships.

Nice to have
• Interest in crypto news;
• Sense of humor;
• Attention to details.

Hiring process:
• Intro call with a Recruiter — Technical Interview — Сollection of recommendations — Offer.

Why join Bitmedia Labs?
We care about what we build – and about the people who build it. Our teams work closely together, share responsibility for the product, and support each other in everyday challenges.

As part of the team, you’ll have:
• Professional growth through products operating at global scale;
• The opportunity to experiment, bring ideas to life, and influence product decisions;
• Collaboration with strong, experienced teammates who value quality and teamwork.

We also support you with:
• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;
• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;
• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones;
• Support for your growth: courses, workshops, and conferences.
Through our charity foundation Bit Spilka, led by volunteers from our team, we support the military, medics, and civilians across Ukraine – delivering over $500,000 in aid to date. Here your work also drives social impact, and you can also join our volunteer initiatives.

If this resonates with you – send your CV and join us.
Let’s foster the world together!

Bitmedia Labs is an international product company founded in 2014. Today, we’re a team of 150+ specialists working globally, building products used by millions worldwide.

Our work spans two core areas:

Game Development – browser-first games for global audiences, centered on reward-driven progression and long-term engagement.
Digital Advertising – high-performance advertising and affiliate platforms across Web2 and Web3 markets.

We are looking for a Manual QA Engineer to join our game development direction. This role is focused on testing a live gaming product, so hands-on experience in game testing is essential. You will work with complex gameplay mechanics, in-game economy, and cross-platform environments (web and mobile), ensuring a stable, fair, and engaging experience for players.

Responsibilities:

• Perform functional and non-functional testing of web and mobile applications;
• Submit bug reports and define bugs’ importance;
• Analyze project requirements;
• Create and maintain test documentation;

• Manage incoming bugs from clients and other team members before sending to developers.

   

Requirements:

• 2+ years of experience in Manual QA.
• Experience in web and mobile (iOS/Android) application testing.
• Experience working with web debugging proxy applications (Charles).
• Extensive API testing experience (e.g., using tools like Postman, Swagger and understanding API documentation).
• Strong knowledge of stack of web technologies like HTTP, JSON, REST.
• Solid understanding of QA methodologies, tools, and processes.
• Experience in creating and executing test documentation, including test cases, check-lists, and writing clear bug reports (using tools like Jira, Mantis, Redmine).
• Knowledge of SQL and NoSQL databases.
• Experience in game testing.

• Strong analytical and problem-solving skills.

   

Nice to have:

• Experience with MongoDB.
• Familiarity with test automation tools.

• Experience with Blockchain.

   

Hiring process:

• Intro call with a Recruiter - Technical Interview - Test task - Interview with the Hiring team - Сollection of recommendations - Offer. 

   

Why join Bitmedia Labs?
We care about what we build – and about the people who build it. Our teams work closely together, share responsibility for the product, and support each other in everyday challenges.

As part of the team, you’ll have:
• Professional growth through products operating at global scale;
• The opportunity to experiment, bring ideas to life, and influence product decisions;
• Collaboration with strong, experienced teammates who value quality and teamwork.

We also support you with:
• Flexible schedule and the option to work remotely or from our hubs in Kyiv, Warsaw, and Berlin;
• Competitive compensation, regular performance reviews, paid vacation, sick leave, and public holidays;
• Modern Apple equipment and thoughtful corporate gifts for holidays and personal milestones;
• Support for your growth: courses, workshops, and conferences.

Through our charity foundation Bit Spilka, led by volunteers from our team, we support the military, medics, and civilians across Ukraine – delivering over $500,000 in aid to date. Here your work also drives social impact, and you can also join our volunteer initiatives.

If this resonates with you – send your CV and join us.
Let’s foster the world together!

Operating within the healthcare industry, this organization focuses on the development of innovative medical devices that enhance patient care and safety. Their core services include the design and manufacturing of advanced embedded systems tailored for medical applications. The typical customer segments include hospitals, clinics, and healthcare providers seeking reliable and effective medical solutions. The organization leverages cutting-edge technology to ensure compliance with industry standards and improve overall patient outcomes.

Requirements

Must Have:
– 5 + years embedded C on ARM MCUs
– UART / SPI / I²C / GPIO integration
– RTOS (FreeRTOS or CMSIS-RTOS)
– IAR Workbench / SWD debugging
– Secure Boot concepts (hash + signature verify)
– NAND / Flash data management
– Git / branching / code review workflow

Nice to Have:
– Cellular modems (u-blox SARA-R4 / R5)
– OTA update flow experience
– AES / HMAC cryptography libraries (mbedTLS)
– Python for testing and firmware tools
– FDA / IEC 62304 development environment experience

Job responsibilities

• Implement and maintain embedded firmware for medical devices under guidance.
• Collaborate with cross-functional teams to support software development processes.
• Participate in code reviews to learn best practices and improve code quality.
• Contribute under guidance to the documentation of firmware specifications.
• Observe and learn from senior engineers during the debugging and testing phases.
• Support the integration of security features in embedded systems.
• Help in the analysis of system performance and suggest improvements.
• Assist in the development of test plans for firmware validation.
• Learn about industry standards and regulations applicable to medical devices.
• Participate in team meetings to discuss project progress and challenges.
• Business trip to Krakow, Poland (once per 6 months)

Our client is a financial technology services provider dedicated to expanding global access to digital assets by building innovative solutions in the cryptocurrency ecosystem. Their products provide exchanges, liquidity solutions, and enterprise-grade integrations for clients worldwide. We are looking for a skilled Python/Data Analyst to help us translate complex financial and blockchain data into actionable insights and high-performance solutions.

In this role, you will be a core member of our engineering team, solving complex technical puzzles and building robust data models in a fast-paced environment.

What You'll Do

You will be a key builder in our data lifecycle, applying your technical expertise to optimize our core products. Your main responsibilities will include:

• Data Analysis & Modeling: Develop and maintain data pipelines and analytical models for our exchange and liquidity platforms using Python.
• Insight Generation: Translate complex financial concepts and large datasets into intuitive reports and actionable business insights.
• Collaboration: Work closely with product owners, backend engineers, and stakeholders to translate requirements into fully functional, enterprise-grade data solutions.
• Performance & Optimization: Optimize data queries and processing scripts for maximum performance and scalability, paying close attention to real-time crypto interfaces.
• Quality Standards: Write clean, testable, and efficient Python code, actively participating in code reviews and sprint planning.

Your AI & Automation Advantage

We believe AI is a powerful co-pilot for modern development. We’re looking for someone eager to use AI to supercharge their data analysis, automate repetitive tasks, and stay ahead of the curve.

Who You Are

You are a proactive, detail-oriented, and adaptable analyst who thrives in a fast-paced environment. You are:

• A Clear Communicator: You can effectively articulate complex technical decisions and data findings to both technical teammates and non-technical stakeholders.
• A Problem-Solver: You are self-motivated, resilient, and have strong critical thinking skills to tackle complex technical puzzles.
• A Tech Enthusiast: You have a curious mindset with a strong interest in (or passion for) blockchain, cryptocurrency, and financial technology.
• A Team Player: You value collaboration and feedback, contributing positively to the team's shared goals and engineering culture.

Qualifications

• English: Upper-Intermediate level or higher (both written and spoken).
• Experience: 3+ years of professional experience in data analysis or software development, with a strong focus on Python.
• Core Technical Skills:
  • Proficiency in Python and its data libraries (e.g., Pandas, NumPy).
  • Strong experience with SQL and managing complex databases.
  • Familiarity with RESTful APIs and real-time data communication (e.g., WebSockets).
  • Proficient with Git version control and collaborative workflows.
• Education: Bachelor’s degree in Computer Science, Data Science, Mathematics, or a related field (or equivalent practical experience).

We Offer

• Flexibility & Location: Offices in Ukraine and Poland (Wroclaw) with flexible working hours.
• Health & Wellness: Medical Insurance in Ukraine and Multisport program in Poland.
• Time Off: Paid vacation, sick leaves, and all official holidays.
• Professional Development: English classes up to three times a week, plus mentoring and educational programs.
• Support: Tax and accounting services for Ukrainian contractors.
• Equipment: The company provides all necessary high-end equipment.
• Culture: Regular corporate activities, including corporate parties, tech events, and an advanced bonus system.