Jobs at Djinni

Phage.Energy is a deep-tech Virtual Power Plant (VPP) platform.
We unify distributed energy assets, operational constraints, and market processes into a single real-time control system — from telemetry ingestion to dispatch and execution confirmation.

This is a backend-heavy product operating in real time, where reliability, determinism, and control logic are critical.
 

What You’ll Be Building

• The VPP control core: assets, groups/clusters, operating modes, and constraints.
• Telemetry processing and maintenance of the current platform state (availability, limits, readiness).
• Dispatch logic: preparing, sending, tracking, and validating control commands; handling retries and failures.
• Aggregation of platform-level indicators (power, availability, readiness) for dashboards and optimization logic.
• Production-grade behavior: stability, observability, fault tolerance, and predictable execution.
   

Technology Stack

• Backend: Node.js, TypeScript, NestJS
• Cloud: AWS (Lambda, API Gateway, IoT Core, Kinesis, DynamoDB, Timestream)
• Databases: PostgreSQL, DynamoDB
• Infrastructure: Serverless, Terraform, AWS SAM
• Frontend: React (API-driven)
• Protocols: MQTT, WebSocket, HTTP

Acropolium, together with its international partners, is working on a healthcare platform focused on building a scalable, modern system based on microservices architecture.

The project involves developing robust backend services, integrating multiple data sources, and ensuring high-quality, reliable solutions in a cloud-native environment.

You will join an international team contributing to a product with real-world impact in the healthcare domain, working with modern engineering practices, cloud technologies, and AI-assisted development tools.

Project Details

• Industry: Healthcare
• Location: 100% Remote
• Start: ASAP
• Duration: 7 months with possible extension
• Workload: Full-time

Responsibilities

• Design, develop, and maintain backend services using C# and .NET Core / .NET 8
• Build, improve, and support microservices-based solutions
• Develop and integrate RESTful and SOAP APIs
• Work with SQL Server (T-SQL) and MongoDB
• Create and maintain automated tests to ensure solution quality
• Collaborate closely with frontend engineers, DevOps teams, and stakeholders
• Contribute to CI/CD pipelines and cloud infrastructure improvements
• Participate in architecture discussions and technical decision-making
• Leverage AI-assisted development tools to improve productivity and code quality

Requirements

• 5+ years of commercial experience in backend development
• Strong expertise in C# and .NET Core / .NET 8
• Solid experience with microservices architecture
• Hands-on experience with RESTful APIs and SOAP services
• Strong knowledge of SQL Server (T-SQL)
• Experience working with MongoDB
• Experience with testing tools and frameworks such as XUnit, Postman, Cypress, and Playwright
• Experience working with Microsoft Azure
• Familiarity with GitLab CI/CD or similar CI/CD platforms
• Experience with Docker and Kubernetes
• Understanding of Infrastructure as Code concepts and Terraform
• Experience using AI development assistants such as GitHub Copilot

Nice to Have

• Experience working in healthcare or other regulated environments
• Experience with JFrog Artifactory or similar artifact repositories
• Strong testing culture and focus on software quality
• Experience supporting distributed international teams

Language Requirements

• French — В1+
• English — B2+
• Ukrainian — B2((not required)

Our Hiring Process

1. Intro Call with Recruiter
2. Technical Interview
3. Client Interview
4. Offer Stage

The project is for one of the world's famous science and technology companies in the pharmaceutical industry, supporting initiatives in AWS, AI and data engineering, with plans to launch over 20 additional initiatives in the future. Modernizing the data infrastructure through the transition to Snowflake as a priority, as it will enhance capabilities for implementing advanced AI solutions and unlock numerous opportunities for innovation and growth.

The project is focused on building an e-mail forwarding solution from Tableau in AWS.

• Responsibilities:

  - Operate within D&A Landscape primarily using AWS Cloud Services and Azure AD, supporting our R&D efforts in drug discovery and development.
   - Supporting and implementing the technical roadmap
   - maintaining platform functionalities, engineering data archive process and adapting to emerging technologies.
   - implementing new features and building and managing deployments.

• Mandatory Skills Description:

  - Lambda
  - Step Functions
  - Event Bridge
  - SES (Simple E-Mail Service)
  - Dynamo DB
  - S3

• Nice-to-Have Skills Description:

  - Cloudwatch and CloudTrail
  - X-Ray
  - PrivateLink

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

❗️Please note that this role is office-based for Poland, Warsaw.

❗️If you need to be relocated, we take care of the process.

We are looking for a skilled Senior Node.js Developer to join our team in our Warsaw office.

✅ Requirements:

✔️Strong knowledge of JavaScript and the ECMAScript 6 standards;

✔️5+ years of commercial experience with Node.js and Nest.js;

✔️5+ years of commercial experience in web development;

✔️Commercial experience of working with high-load SQL or NoSQL databases;

✔️Commercial experience of implementing the REST, GraphQL, and WebSockets;

✔️Understanding of the TDD principles and experience of writing tests;

✔️Understanding of microservice architecture principles;

✔️Experience of GIT version control system;

✔️Experience with RabbitMQ;

✔️Experience with Redis;

✔️Experience with databases MongoDB, MySQL;

✔️At least an Intermediate level of English.

✅ Will be a plus:

✔️2+ years of hands-on experience developing over CI/CD/Micro Services architecture/Containers;

✔️Experience with Kubernetes;

✔️Experience with Nats;

✔️Experience with TypeScript.

✅ Duties and opportunities:

✔️In-house platform development;

✔️3rd party API integrations;

✔️Actively participate in developing new features from scratch.

✅ We offer excellent benefits, including but not limited to:

🚀 Career growth opportunities in an international and dynamic environment;
📚 Opportunity to develop language skills with partial compensation for language courses;
🎁 Special gifts for birthdays, weddings, and newborns;
🏝️ 20 working days of paid annual vacation, plus paid sick leave;
🍲 Office snacks and refreshments;
🏋️‍♂️ Sports package to support a healthy lifestyle;
🩺 Comprehensive medical insurance for you and your partner;
📍 Comfortable office with great facilities in a prime location;
 🎉 Exciting corporate events, team-building activities, and international company parties.

Bold moves start here. Make yours. Apply today! 

Phenomenon Studio is a full-cycle design and development company founded in 2019.
We help startups and small to medium-sized businesses build and scale products across Healthcare, EdTech, SaaS, and FinTech industries.

Recognized with 30+ industry awards, we deliver high-quality solutions that combine creativity, technology, and business impact.

We’re looking for a talented, creative, and independent full-time Senior UI/UX Designer.
You’ll work on designing and improving websites and landing pages, preparing specifications for developers, and collaborating closely with the development team to ensure high-quality execution.

Advantages of the role:

• We often submit our websites to prestigious competitions such as Awwwards, FWA, and CSS Design Awards, giving your work the opportunity to gain recognition and earn industry awards
• We have a design community of more than 20 designers, so you’ll be able to share ideas, get feedback, discuss trends, and grow together with like-minded professionals
• You will have a mentor who will always be there to help

Requirements:

• 4+ years of commercial experience in UX/UI design
• A strong promo-focused portfolio (websites, landing pages)
• Experience conducting basic research (competitive analysis, UX audit)
• Ability to form hypotheses and support them with data
• Strong proficiency in Figma (tokens, autolayout, variables, prototyping, etc.)
• Ability to use AI tools to generate assets for websites
• Ability to create designs that meet client needs
• Great attention to detail and a passion for clean, functional, and user-centered design
• B2 English level. Ability to present and explain design decisions in English

Nice to have:

• Live websites that have received awards
• Experience working with analytics tools (Google Analytics, Hotjar, Mixpanel, etc.)

Responsibilities:

• Design websites and landing pages (about 80% of the time)
• Conduct research (competitor analysis, UX audit, etc.)
• Create page structures and sitemaps
• Design wireframes
• Prepare specifications for developers, including descriptions of block behavior, animations, and other interaction logic
• Conduct design QA to validate visual consistency after development
• Work on internal tasks, such as improving the studio website or creating website concepts (no banners or graphic design tasks, as we have dedicated graphic designers for that)

What we offer:

• Remote work format and flexible schedule
• Autonomy in work, opportunity to build processes, and grow within the company
• Individual development plan and annual performance review
• Workshops and playgrounds for continuous learning
• Compensation for subject-matter training
• Corporate English classes
• Access to IT Loyalty Club
• Accounting support
• 18 working days of annual leave
• 7 working days of sick leave and 7 working days of unpaid leave
• All national public holidays off

Recruitment process: Recruitment interview - Technical interview - Final interview

Phenomenon Studio is a full-cycle design and development company founded in 2019. We help startups and small to medium-sized businesses build and scale products across Healthcare, EdTech, SaaS, FinTech, and Web3 industries. Recognized with 30+ industry awards, we deliver high-quality solutions that combine creativity, technology, and business impact.

We are expanding our team and looking for a Project Manager to support new upcoming projects. You will lead delivery from brief to launch, ensuring alignment, clarity, and on-time execution across teams.

PMO Team: PM Lead, 7 PMs

Project Load: Up to 4-5 concurrent projects (2 main, 2 support), typically 3–6 months in duration

Teams: In-house teams, usually around 5 people per project

Requirements:

• 3+ years of commercial Project Management experience working with design and development teams
• Understanding of web apps and mobile design and development processes
• Proven experience in successful project delivery, meeting scope, budget, timeline, and quality expectations
• Strong knowledge of SDLC and project management methodologies
• Proven experience in preparing project documentation, including roadmaps, milestones, timelines, and project reports
• Effective communication skills when working with both technical and non-technical stakeholders
• Strong time management, leadership, and problem-solving skills
• Experience managing multiple projects simultaneously
• Advanced English, both spoken and written (B2+ minimum)

Nice to have:

• Proactive communicator who maintains engagement and clarity through regular check-ins
• Emotionally intelligent, knowing when to push forward and when to listen
• Open and approachable, easy to talk to, and welcoming questions and feedback
• Calm under pressure, helping clients and teams feel confident and safe
• Builds trust through friendliness rather than forced authority
• Fast thinker who translates ambiguity into a clear plan
• Demonstrates high ownership with a low-ego mindset, prioritizing results over visibility

Responsibilities:

• Lead projects (web and mobile apps design and development) from brief to launch
• Prepare project timelines and roadmaps to ensure successful delivery
• Collaborate with stakeholders to define scope, objectives, and deliverables for each project or iteration
• Monitor task completion, team workload, and project progress while proactively removing roadblocks
• Maintain clear and up-to-date project documentation
• Manage expectations both internally and externally
• Identify and resolve issues that arise during project execution
• Ensure team alignment around shared goals and priorities

What we offer:

• Remote work format and flexible schedule
• Autonomy in work, with opportunities to build processes and grow within the company
• Individual development plan and annual performance review
• Workshops and playgrounds for continuous learning
• Compensation for subject-matter training
• Corporate English classes
• Access to IT Loyalty Club
• Accounting support
• 18 working days of annual leave
• 7 working days of sick leave and 7 working days of unpaid leave
• All national public holidays off

Recruitment process: Recruitment interview — Technical interview — Offer

Hi there! Our Magnetics team is currently looking for Recruiter!

🧲 Magnetics is a Ukrainian product marketing agency specialising in UX-UI, front-end, market research, product marketing, media advertising and affiliate marketing.
The company was founded in 2014.

Responsibilities:

• Designing and managing full-cycle recruitment processes for tech, digital marketing, and gray/complex niche roles.
• Developing and implementing advanced search strategies across multiple channels.
• Creating and maintaining scorecards for competency-based candidate assessment.
• Conducting high-volume candidate sourcing and selection (80% of time per month).
• Leading market salary analysis and other  analytics to ensure competitive remuneration packages and data-driven recruitment decisions.
• Managing multiple vacancies simultaneously (5+ per month) with autonomy and ownership.
• Partnering with managers to define role requirements, set recruitment priorities, and evaluate team needs.
• Evaluating candidates’ competencies and potential using structured assessments and scorecards.
• Utilizing advanced sourcing techniques including X-Ray search, Google search, LinkedIn, Djinni, Telegram, and other platforms.

Requirements:

• Minimum 2–3 years of experience as a Recruiter in the fields of digital marketing or gray/complex niches.
• Proven experience managing multiple vacancies simultaneously with measurable results.
• Strong experience with competency-based assessments and candidate evaluation.
• Experience in analytics, market research, and data-driven recruitment decisions.
• Advanced sourcing skills across multiple channels and platforms.
• Strategic thinking, proactivity, and ability to work independently.

🧲 What we offer:

• Office in Kyiv or Remote;
• We cover 50% of the cost for individual courses, training, and language programs;
• We cover 100% of the cost for team courses;
• Free consultations with our lawyers and an additional 50% discount on - any type of legal services;
• Health insurance;
• Flexible schedule;
• Regular salary reviews;
• Team buildings in Ukraine.

Are you the ultimate talent magnet? Show us your CV and let's make it a match!

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

Since 2017, we’ve been implementing, migrating, integrating, administering, and auditing cloud solutions everybody knows—all the way from PoC and training to ongoing support and GenAI guidance, always with the customer’s IT setup in mind.

Businesses get to capture the value of compelling products that span cloud computing, location and mapping, borderless collaboration, peerless customer service, and DevSecOps.

We’re currently looking for a Marketing Manager to join our team. In this role, you’ll help shape and manage marketing efforts across various channels—supporting key business goals, generating leads, strengthening our brand, and building meaningful connections. Your work will play an important role in how we communicate, grow, and deliver value. We’re excited to meet someone who’s ready to make a real impact 💚

Requirements

• Minimum of 3 years of experience in a marketing manager role, ideally within the B2B space.
• Proven ability to plan and execute campaigns across various channels, and/or develop content and shape content strategies.
• Solid understanding of lead generation, brand awareness, content creation, event execution, and other key B2B marketing activities.
• Experience working with CRM systems such as HubSpot or similar platforms.
• Familiarity with advertising tools including Google Ads, Facebook, Instagram, LinkedIn, and a basic grasp of Google Analytics.
• Upper-intermediate to advanced English proficiency, both written and spoken.
• A proactive mindset with a collaborative, solution-oriented approach.
• Excellent communication skills and the ability to work effectively with cross-functional teams.

Responsibilities

• Collaborate with the team to plan and execute multi-channel marketing campaigns that drive pipeline growth and strengthen brand awareness.
• Develop and launch initiatives that promote the company’s products and services across key channels, including social media, email, digital media, paid search, SEO, and others.
• Monitor campaign performance, test new approaches, and continuously optimize to support business goals.
• Identify and explore new platforms and touchpoints to engage target audiences across the entire funnel—from awareness to conversion.
• Build and nurture strong relationships with partners and clients through joint marketing activities such as special projects, events, success stories, co-branded content, and other.

Would be a plus

• Proven writing skills with experience in the technology and software sectors, specifically within a B2B context.

Work conditions

• Advance with Top Cloud Brands: Build your cloud marketing expertise with Google Cloud, Asana, GitLab, Zendesk, HubSpot, Miro, Okta, and Microsoft.
• Expand Your Reach: Lead meaningful campaigns across EMEA, making an impact in diverse and dynamic markets.
• Make a Real Difference: Drive smart, results-focused strategies that truly resonate with our clients.
• Grow with a Supportive Team: Join a team that celebrates your wins and encourages your growth every step of the way.
• Experiment & Innovate Freely: Bring your ideas to life in a culture that values creativity and is open to new approaches.
• Earn What You Deserve: Enjoy a competitive salary and a transparent bonus system tied to your results.
• Flexible Remote Schedule: Work flexibly remote or join us for a coffee in Kyiv or Prague offices.
• Comprehensive Leave: 24 vacation days, bank holidays, and unlimited sick leave.
• Continuous Learning: Access sponsored educational opportunities such as courses, conferences, meet-ups, company-sponsored English learning groups to keep your skills sharp and relevant.
  
  When applying to this position, you consent to the processing of your personal data by CLOUDFRESH for the purposes necessary to conduct the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of April 27, 2016 (GDPR).
  Additionally, you agree that CLOUDFRESH may process your personal data for future recruitment processes. You can withdraw this consent at any time.

The company is a leading product-based organization and the premier 'end-to-end' provider of data and trading technology across foreign exchange, financial, and futures markets. Its proprietary low-latency gateways empower international corporations and Tier-1 banks to execute global transactions with industry-leading speed and precision.
 

Company is looking for a Data Infrastructure Engineer for a high-impact, foundational role. In this capacity, you will serve as the primary authority on the big-data engine that drives our real-time and historical analytics. Your expertise will be critical in analyzing liquidity, fill ratios, and market impact.

      Requirements:

• Deep knowledge of at least one industry-leading Big Data or Time-Series database (e.g., ClickHouse, InfluxDB, or ScyllaDB/Cassandra).
• Proven experience managing "high-velocity" data environments (streaming ticks, execution logs, and order book events).
• Strong proficiency in writing and optimizing complex queries for massive datasets (billions of rows).
• Extensive experience in a Linux-heavy environment with a focus on system-level performance and low-latency tuning.

• Ability to translate business metrics into efficient data structures without necessarily writing application-level code.

   

  Nice to have:

• Experience in the financial industry (FIX protocol, FX trading, etc.).
• Background in high-performance hardware/software integration.
• Experience with scripting for automation (Python, Bash).
  
  Responsibilities:
• Evaluate and select the optimal Big Data/NoSQL engine to handle high-frequency FX market data and trade execution logs.
• Own the end-to-end installation, configuration, scaling, and long-term maintenance of the database environment.
• Build and tune complex time-series queries (calculating metrics like Effective Spread and Last Look Hold Times) to ensure sub-second responses for real-time monitoring tools.
• Act as the subject matter expert, training GUI developers and team members on best practices for efficient data retrieval and interaction with the data layer.
  
   Benefits:
• Standard working hours: 9-18. 
• 15 working days + public holidays weekends.
• 10 days of sick leave.
• Medical insurance compensation.
• Equipment.
• Salary reviews once a year.
  
  The market moves in milliseconds—your career should move just as fast. Send your CV.
   

We are looking for a strategic and client-oriented Marketing Director who will take ownership of our marketing direction, shape scalable service offerings, and drive measurable business growth.

Requirements:

• 4+ years of experience in digital marketing, including strategic or leadership roles.
• Proven experience in building and scaling marketing strategies.
• Experience working directly with clients, including leading strategy discussions and presenting solutions.
• Ability to forecast marketing results and translate marketing activities into business outcomes (leads, revenue, growth).
• Strong analytical thinking and structured decision-making skills.
• Excellent communication and presentation skills in English (C1 or higher) — must-have.
• Confidence in working with international clients (US market experience is a strong plus).
• Proactive, ownership-driven mindset with the ability to operate independently and take full responsibility for outcomes.
• Proven hands-on experience with Google Ads (Search, Display, Remarketing) and Meta Ads (Facebook, Instagram).
• Solid understanding of conversion tracking, event setup, and analytics using GA4 and Google Tag Manager.
• Knowledge of SEO fundamentals (both technical and content aspects).
• Experience with CRM systems (ActiveCollab, HubSpot, or similar).

Responsibilities:

• Define and lead the overall marketing strategy aligned with business goals and growth targets.
• Analyze our client base and identify high-potential marketing directions (e.g., PPC, SEO, lifecycle marketing, etc.).
• Develop and package service offerings based on market demand and client needs.
• Forecast expected results (traffic, leads, conversions) and timelines for different strategies.
• Act as a strategic point of contact for clients.
• Oversee execution at a high level, ensuring performance and alignment across channels.
• Collaborate with sales and leadership to connect marketing efforts with revenue goals.
• Establish processes for tracking, reporting, and continuous optimization.
• Identify and evaluate new growth opportunities, channels, and tools.

What We Offer:

- A work culture built on mutual success, trust, and continuous growth;

- Competitive compensation with clearly scheduled salary reviews and raises;

- A high-performing project management team and an inspiring atmosphere of camaraderie;

- The opportunity to lead a talented team of top-tier developers and designers;

- Sports compensation to help you stay active and energized;

- Paid vacation and sick leave — because your well-being matters;

- Comprehensive health insurance coverage;

- A modern, comfortable office in the center of Lviv;

- An amazing team, warm atmosphere, and engaging corporate events.

We are looking for an AI-driven SMM specialist who understands modern content distribution, social media growth, and viral mechanics across multiple platforms.

This role focuses on AI-assisted content creation, publishing, experimentation, and audience growth.

💡 Responsibilities

• Manage and grow social media platforms
• Generate content ideas, hooks, captions, and short-form scripts using AI tools
• Adapt content for different platforms while maintaining native tone and format
• Monitor trends, competitors, and viral content patterns
• Test content hypotheses and scale high-performing formats
• Manage and grow Telegram channels and communities
• Use AI and automation tools to speed up content production workflows

• Track content performance and optimize strategy based on analytics

   

🌐 Platforms

Experience with several of the following platforms:

LinkedIn, TikTok, Instagram, X (Twitter), Reddit, Quora, YouTube Shorts, Threads, Telegram, Medium/Substack, Dev.to

🤖 Requirements

• Experience in SMM, content marketing, or content growth
• Experience using AI tools for content generation and workflows
• Understanding of social media algorithms and engagement mechanics
• Ability to create strong hooks and viral-oriented content
• Fast execution and experimentation mindset

• English — Upper-Intermediate or higher

  Ukrainian - Native

   

🧠 Soft Skills

• Creativity and initiative
• Strong communication skills
• Adaptability and speed
• Attention to trends and details

• Ownership mindset

   

📈 KPIs

• Growth of views and engagement
• Audience/follower growth
• Publishing and testing consistency
• Viral/high-performing content formats

• Traffic and lead generation through content

   

💎 We Offer

• Salary: $1200–2000/month
• Fully remote
• Work with modern AI tools and AI-driven workflows
• Fast-moving environment with low bureaucracy
• Opportunity to grow with the project
• Real impact on content growth and audience expansion

We are Binotel — a market leader in Ukraine, and every day we continue to scale, conquering new heights and expanding into new markets ⛰️

We’re currently looking for a Sales Manager (Remote) to work with clients in the US market 🇺🇸

If you’re passionate about sales, speak English confidently, and want to work with a real product that businesses truly need — this opportunity is for you.

What you’ll do:
• Sell our product to clients in the US market
• Manage the full sales cycle: from first contact to closing deals
• Work toward clear KPIs and directly influence your income

What we’re looking for:
• At least 1 year of sales experience (preferably in the US market)
• Fluent English — confident with calls, negotiations, and handling objections
• Result-oriented mindset, ambition, and strong motivation to earn

What we offer:
💻 100% remote work
🕒 Working hours: 3:00 PM–12:00 AM (Kyiv time)
💰 Competitive base salary + uncapped bonuses
📈 Real opportunities for growth and direct impact on results

Web Flutter Developer (Remote)

We are looking for a Web (Flutter) Developer to join the company's digital team and help support and evolve web platforms. 

What you’ll do:

• Build and maintain Flutter Web applications
• Work with Dart, async programming, and RESTful APIs / JSON
• Implement the BLoC pattern and follow MVVM / Clean Architecture principles
• Write clean, readable, and maintainable code
• Collaborate with the team and participate in code reviews

Requirements:

• Have at least 1 year of commercial experience with Flutter on web development. Experience with Dart.
• Understanding of asynchronous operations and HTTP requests
• Strong willingness to learn and grow professionally
• Team-oriented mindset
• It would be nice if you have a conversational English level, but it is not mandatory.

What company offers:

• Fully remote, work from anywhere
• Opportunity to grow into a Middle/Senior role
• Supportive team and mentorship

Who you are:

• Curious, proactive, and enjoy solving problems
• Detail-oriented and take pride in getting things right
• Communicate clearly and work well with different teams
• Motivated to build a strong foundation and grow as a web professional

Nice to have (but not required)

• Basic knowledge of PHP, HTML, CSS, JavaScript
• Exposure to CMS platforms, performance basics, or SEO fundamentals
• Interest in analytics and measurement tools (e.g. GA4)

Personal projects on Flutter (Web) to share (GitHub, portfolio, university projects).

Tasks

• Design, write, and maintain automated test suites (e.g., using TypeScript with Playwright or Cypress).
• Leverage AI-assisted coding tools like Cursor to accelerate test creation and script maintenance.
• Carry out manual and exploratory testing for complex edge cases.
• Integrate automated tests into the CI/CD pipeline.
• Track defects and maintain clear test specifications.
• Collaborate with the engineering team (daily meetings, planning, etc.).

Nice-to-haves

• Degree in Computer Science.
• ISTQB Certification.
• Experience with Agile/Scrum methodologies.
• Knowledge of German.

We offer

• Long-term employment.
• Paid vacation and a flexible work schedule.

Our client is an innovative cryptocurrency and fintech startup focused on building secure, scalable, and user-friendly digital asset products and services for the retail market. Driven by a mission to simplify access to the crypto ecosystem, the company provides reliable infrastructure, seamless transactions, and exceptional user experiences. As an agile, forward-thinking organization, they are positioned to capture significant market share by bridging the gap between traditional finance and decentralized digital assets.
​
Position Summary
​We are seeking a veteran, exceptionally skilled Hands-on Technical Lead to act as the ultimate Key Person and architect of our engineering ecosystem. This is a high-impact, elite technical role tailored for an absolute master of the JavaScript/TypeScript landscape who thrives when building complex platforms from the ground up.

​Initially, you will lead from the front lines by getting your hands dirty in the codebase—architecting and writing the core high-performance engine for our proprietary cryptocurrency exchange.

As you establish the initial code baseline, you will act as the foundational pillar to build and scale a brilliant team around you. For the right individual, this role offers an immediate and structured pathway to transition into the Chief Technology Officer (CTO) position as the company grows.

​This role is designed for a technical heavyweight who loves coding, architecture, and team design. You will write the core engine, set the standards, and transition into executive leadership as the engineering organization scales.

Key Responsibilities

• ​Hands-on Development & Architecture: Architect and implement robust, highly optimized backend systems using JavaScript/TypeScript (Node.js) for exchange infrastructure, order books, and transactional systems.
• ​Team Building & Growth: Serve as the central hiring pillar. Screen, recruit, and assemble an elite group of engineers to build a team around your technical vision.
• ​Technical Leadership & Standards: Set pristine code standards, architecture principles, and secure coding practices across the entire codebase. Mentor and coach incoming engineers.
• Product-to-Tech Alignment: Partner closely with business stakeholders to rapidly translate high-level product strategies into performant, clean technical implementations.
• ​Security & Resilience: Personally oversee the secure design of hot/cold wallet mechanics, API routing, matching systems, and regulatory reporting capabilities within the JavaScript stack.

​Required Qualifications & Experience

• ​Minimum 15 years of professional experience in software development and technical leadership.
• ​Mandatory Fintech/Trading/Crypto Exchange Background: Extensive experience building, maintaining, or optimizing trading platforms, complex transactional systems, or cryptocurrency exchange frameworks.
• ​JavaScript/TypeScript Mastery: World-class expert level in the JavaScript ecosystem. Deep, thorough understanding of asynchronous programming, Node.js memory management, event loop optimization, and building highly scalable, low-latency microservices.
• ​Foundational Team Builder: Demonstrated track record of acting as a "Key Person" whom previous engineering teams look to for direction and around whom technical talent naturally gathers.
• ​Executive Trajectory: Possess the strategic vision, communication skills, and high emotional intelligence required to swiftly step into a Chief Technology Officer (CTO) role.
  ​

What We Offer

• ​A direct, fast-track trajectory to the Chief Technology Officer (CTO) title based on performance.
• Compensation plan that matches your status as a vital "Key Person."
• ​Technical autonomy to shape the architecture and team culture from the absolute beginning.
• Medical Insurance in Ukraine and Multisport program in Poland.
  Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote.
• Paid vacation, sick leaves, and official holidays.
• Legal & Accounting services.
• The company provides all necessary equipment.
• English classes and Education reimbursement.