Backend Developer (Node.js / Web3)

CXntury is seeking a Senior Backend Developer with strong Node.js and Web3 expertise to build scalable backend services and integrate blockchain technologies into decentralized applications. You will collaborate with a skilled engineering team to design reliable systems, work with blockchain infrastructure, and deliver high-performance solutions in the Web3 ecosystem.

• Design and build scalable backend services
• Integrate blockchain technologies into modern decentralized applications
• Work with blockchain infrastructure and Web3 libraries
• Design reliable systems and architecture
• Deliver high-performance solutions in the Web3 ecosystem
• Collaborate with skilled engineering team members

• 3+ years of experience in backend development
• Strong proficiency in JavaScript and TypeScript
• Solid production experience with Node.js
• Hands-on experience with Web3 libraries (ethers.js, web3.js, viem)
• Strong understanding of EVM architecture and smart contracts
• Experience building scalable distributed systems
• Knowledge of security best practices in crypto environments
• Experience with Docker and containerized environments

Nice to Have:

• Experience working on Blockchain / DeFi projects
• Understanding of different blockchain networks
• Experience improving performance and scalability of backend systems

• Competitive compensation
• Flexible work format
• Work on innovative Web3 / Blockchain products
• Modern tech stack and challenging tasks
• Professional and friendly team environment