Senior Node.js Engineer (Web3)

We are hiring a Senior Node.js Engineer (Web3) to build and scale backend infrastructure for a multi-chain DeFi platform that provides a unified API to access on-chain liquidity across multiple blockchains.

Our platform enables same-chain and cross-chain swaps with optimal pricing and seamless developer integration.

This is a full-time remote role open to candidates based in EMEA or APAC, with required overlap with EU working hours.

Before applying, please ensure:

• You are based in EMEA or APAC
• You can work with EU timezone overlap
• You have hands-on experience in Blockchain/Web3/DeFi

Candidates without Web3 experience will not be considered.

As a Senior Node.js Engineer, you will design and build scalable backend systems and APIs powering a high-performance Web3 infrastructure platform.

You will work closely with product managers, frontend engineers, and other backend engineers to deliver reliable and production-grade systems.

This role involves system design, backend architecture, and performance optimization in a fast-moving Web3 environment.

• Design and develop scalable backend systems and APIs
• Build reliable and high-performance Node.js services
• Architect backend solutions for growing traffic and usage
• Optimize performance and system reliability

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• Maintain clean and maintainable production code
• Implement monitoring and debugging solutions
• Write automated tests (unit, integration, end-to-end)
• Review code and maintain engineering standards
• Collaborate with cross-functional teams
• Mentor junior engineers when needed
• Document systems and APIs

• Strong experience with Node.js and TypeScript
• Senior-level backend engineering experience
• Experience building scalable distributed systems
• Experience with Blockchain/Web3/DeFi
• Strong API design experience
• Experience with MongoDB or Redis
• Experience with Docker and cloud infrastructure

Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.

• Good system design knowledge
• Strong English communication
• Ability to work independently in a remote environment

• Fully remote international team
• Flexible working hours
• 30 days PTO
• Equity from day 1
• Remote working budget
• Personal development budget
• Choice of equipment
• Annual team offsites

Salary: €90K – €130K

1. Recruiter Call
2. Hiring Manager Interview
3. Take-home Assignment
4. Technical Interview
5. Final Interview