Blockchain Developer (Node, React, Smart Contracts)

Part-time position with transitioning to full-time

Are you a highly skilled Developer passionate about blockchain and smart contracts? 

Do you thrive in an innovative environment where you can make a real impact?

If so, we’d love to hear from you!

Requirements

• 4+ years of experience in software development
• Strong proficiency in Node.js, TypeScript and React
• Hands-on experience with NestJS or similar
• Knowledge of Ukrainian language
• Experience in developing and integrating smart contracts
• Flexible mindset towards different programming languages and technologies
• Deep understanding of asynchronous programming, event-driven architecture and non-blocking I/O
• Experience with relational databases (MySQL/PostgreSQL) and query optimization
• Strong knowledge of data structures, algorithms and software design patterns
• Proficiency in writing unit tests, integration tests and end-to-end tests
• Familiarity with Docker, containerization and orchestration tools
• Strong analytical and problem-solving skills

Nice to have

• Knowledge of DevOps practices and infrastructure-as-code tools
• Understanding of consensus algorithms, cryptographic principles and decentralized apps
• Independently deploy projects and set up server infrastructure

Responsibilities

• Develop clean, efficient and maintainable code using Node.js, TypeScript, React and NestJS
• Work with blockchain technologies, smart contracts and mass payment systems (ERC-20, TRC)
• Design and implement scalable, independent components
• Participate in architectural discussions and make key technical decisions
• Optimize relational databases (MySQL/PostgreSQL) and complex SQL queries
• Deploy and configure both the project and server infrastructure independently
• Contribute to a collaborative and innovative development culture
• Write unit tests, integration tests and end-to-end tests 
• Maintain and update technical documentation
• Identify and mitigate potential technical risks

The OFFER

• Competitive compensation: recognition of your expertise and reward it accordingly
• Flexible Part-time schedule: Mon–Fri, between 9 am - 6 pm Kyiv time
• Potential Full-time employment: opportunity to expand your role as we grow together
• Freedom to experiment with new tools, frameworks, and innovative solutions
• Learning & Growth: we invest in your development with course reimbursements and free English lessons
• 100% remote role with a strong virtual team culture
• Well-Being Matters: paid sick leave, national holidays, and 18 working days of paid vacation

About the company: Ukrainian IT company delivering end-to-end software solutions for Western businesses—from startups to enterprises across the EU and US. At our core, we value innovation, collaboration, and excellence. Join us and be part of a company that is shaping the future of technology! 

*We only consider individual candidates — no outstaff agencies!