DeFi Backend Engineer — Node.js, TypeScript & GraphQL

Venus Labs; Hong Kong; On-site; HKD 420,000 - 660,000; Full time

Job summary

Venus Protocol, a leading DeFi money market on BNB Smart Chain, is seeking a Backend Engineer in Hong Kong to architect and maintain the server-side foundations of our protocol.

You will design scalable APIs, optimize database interactions, and ensure robust integration with blockchain smart contracts. Join a distributed team delivering end-to-end product features with NodeJS, TypeScript, GraphQL, and rigorous testing.

Qualifications

• 3-5+ years of backend development experience.
• Strong expertise in NodeJS and TypeScript.
• Proficiency with frontend technologies such as React.
• Proficiency with SQL databases and GraphQL.
• Experience integrating with blockchain networks via Viem/ethers.js.
• Strong understanding of backend testing practices.
• Bonus: Familiarity with schema validation (Yup/Zod) or distributed system

Responsibilities

• Build and maintain backend services with NodeJS and TypeScript.
• Design and optimize SQL schemas and queries for performance.
• Implement APIs and data models with GraphQL.
• Integrate backend logic with smart contract interactions using Viem or ethers.js.
• Write high-quality, testable code with Jest or Vitest.
• Collaborate across distributed teams to deliver end-to-end product features.

Skills

Backend development

API design

Distributed systems

Testing practices

Blockchain integration

Tools

NodeJS

TypeScript

React

SQL

GraphQL

Viem

ethers.js

Jest

Vitest

Yup/Zod

Job description

Venus Protocol, a leading DeFi money market on BNB Smart Chain, is seeking a Backend Engineer in Hong Kong to architect and maintain the server-side foundations of our protocol.

You will design scalable APIs, optimize database interactions, and ensure robust integration with blockchain smart contracts. Join a distributed team delivering end-to-end product features with NodeJS, TypeScript, GraphQL, and rigorous testing.