Senior Blockchain Developer (Node, React, Smart Contracts)
Location: Remote
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!
