? Full-time orPart-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.
?How to Apply
Send your CV + answers:
- How many years of experience do you have with NestJS, React, and Solidity?
- What’s your practical experience with smart contracts and blockchain systems?
- What other skills or strengths make you a perfect fit for this role?
- What are your salary/rate expectations?
- Where are you based?

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