Full-Stack Developer (Solidity, Nest, React)

📅 Full-time or Part-time

What You Bring

• 4+ years of software development experience
• Strong hands-on experience with Solidity and Smart Contracts
• Proficient 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
• Fluent in Ukrainian and a proactive communicator

What You’ll Be Doing

• 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, etc.
• Solve complex problems independently and proactively
• Document technical processes and systems

What You’ll Get

• 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

About the Product: You will develop a blockchain-powered platform where every interaction is verifiable, secure, and transparent. Smart Contracts are at the core — driving mass payment systems, ensuring fairness, and enabling real-time, trustless functionality. If you're excited by Web3, transparency, and elegant engineering, this project is for you!

About the Company: We’re a Ukrainian IT company building impactful, future-ready products for startups and enterprises across Europe and the US. We value excellence, clarity, and decentralized innovation. Here, you’ll build more than code — you’ll help reshape industries through technology.