Middle Full-Stack Developer (Solidity, Node.js, NestJS, React) to $4000
🌏Remote | 📅 Full-time (preferable) or Part-time (optional)
Requirements
- 4+ years of commercial experience in software development
- Strong hands-on experience with Solidity and Smart Contracts
- Proficiency in Node.js, TypeScript and React
- Experience with backend frameworks like NestJS
- Familiarity with mass payment solutions using Smart Contracts
- Understanding of blockchain architecture, DApps, and cryptographic principles
- Knowledge of asynchronous programming and event-driven design
- Relational databases and query optimization: MySQL/PostgreSQL
- Strong grasp of software design patterns and clean architecture
- Comfortable writing tests and working in CI/CD environments
- Understanding of the Ukrainian language
Responsibilities
- Develop, integrate, and maintain Smart Contracts in Solidity: ERC-20, TRC
- Design and build full-stack applications using Node.js, TypeScript, React, and NestJS
- Architect and implement secure, transparent blockchain-based features and workflows
- Collaborate with the Architect, PM, and Designer to ship high-quality features
- Optimize backend and database performance: MySQL/PostgreSQL
- Ensure code quality with robust unit, integration, and E2E tests
- Manage deployments and infrastructure: Docker, CI/CD
- Solve complex problems independently and proactively
- Document technical processes and systems
About the Product: A next-gen blockchain platform that guarantees real-time transparency and secure financial transactions at scale. Our Smart Contract engine automates trust and removes friction from high-volume payment workflows
Offer
- Competitive compensation reflecting your skills and experience
- Freedom to experiment with new tools and frameworks
- Ongoing learning support — courses and certifications
- Paid time off: vacation, holidays, and sick leave
- A collaborative team that values your input
- Career growth opportunities as we expand
- Flexible hours & remote-first culture
- Free English lessons
Why Join Us: Become part of a tight-knit, high-performing Ukrainian team (small but smart) building a cutting-edge blockchain platform where every interaction is verifiable, secure, and transparent. At the heart of our system lie Smart Contracts — powering mass payment infrastructure, ensuring fairness without intermediaries, and enabling real-time, trustless transactions. If you’re passionate about Web3 innovation, clean code, and building technology that truly matters — you’ll thrive here. This is your chance to shape the core of a next-gen financial ecosystem