Senior Fullstack Developer

BlockyDevs builds end-to-end applications combining fintech-grade reliability with Web3 innovation.

• Strong backend skills in Node.js/NestJS
• At least 5 years of experience in backend applications
• At least 2 years of experience in maintaining production applications
• Solid frontend skills in React + TypeScript
• Database and API integration knowledge
• Experience mentoring mid/junior developers
• English at least B2 level
• Ability to work 100% onsite from the office near Metro Plac Wilsona, Warsaw

Nice-to-have:

• Microservices and cloud deployment experience
• Web3 integrations knowledge

• Develop backend services with Node.js (NestJS/Express)
• Build frontend apps with React/Next.js + TypeScript
• Work with databases (PostgreSQL, MongoDB) and APIs
• Occasionally contribute to smart contracts (EVM/SVM)
• Collaborate with design, backend, and blockchain teams

Please be informed that the data controller is BlockyDevs sp. z o.o. You have rights to your personal data as per the recruitment process note.