Node.js Jobs in Web3

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Job Position Company Posted Location Salary Tags

SwapRail

Remote

SwapRail

Remote

Tether Operations Limited

Dublin, Ireland

$105k - $120k

PURVIEW

San Francisco, CA, United States

$98k - $100k

Kraken

London, United Kingdom

$90k - $150k

MoonPay

Remote

$84k - $90k

Ondo Finance

United States

$87k - $97k

Millennium Software and Staffing Inc

Charlotte, NC, United States

$105k - $105k

InfStones

Texas

$84k - $110k

Veda

Wilmington, DE, United States

$76k - $180k

Bcbgroup

Remote

$122k - $141k

Bcbgroup

Remote

$59k - $80k

Okx

Remote

$147k - $156k

Chainalysis

United States

$179k - $250k

Design and build the core backend systems powering SwapRail, including APIs, routing engines, execution services, and data pipelines.


## Responsibilities

  • Design and implement scalable backend services and APIs
  • Build routing and aggregation logic for swap execution across multiple liquidity sources
  • Integrate on-chain and off-chain data sources (RPC nodes, indexers, third-party APIs)
  • Develop simulation and validation layers for transaction execution
  • Optimize system performance for low-latency and high-throughput scenarios
  • Design data models for quotes, routes, transactions, and execution states
  • Implement monitoring, logging, and observability across services
  • Collaborate with wallet and frontend teams to ensure consistency in execution flows


## Requirements

  • Strong experience with Node.js / TypeScript / Go / Rust
  • Experience building high-performance backend systems
  • Strong understanding of asynchronous systems and concurrency
  • Experience with PostgreSQL and data modeling
  • Familiarity with microservices architecture and distributed systems
  • Experience integrating blockchain data or Web3 systems


## Nice to Have

  • Experience with DeFi protocols or aggregators (1inch, 0x, Uniswap)
  • Experience building trading or execution systems
  • Experience with blockchain indexing (The Graph, custom indexers)
  • Understanding of MEV, routing optimization, and slippage control
  • Experience with caching layers (Redis) and performance optimization

What does a Node.js developer in web3 do?

A Node developer in web3 is a software developer who specializes in creating and maintaining applications built on the Node.js platform and using web3 technology

Web3 is a term that refers to the collection of technologies and protocols that make up the decentralized web, also known as the Internet of value

This includes blockchain technology, peer-to-peer networking, and other technologies that enable users to exchange value and data in a decentralized manner

As a Node developer in web3, some of the responsibilities might include:

  • Developing and maintaining web3 applications using Node.js
  • Writing and testing code for smart contracts on blockchain platforms
  • Implementing security measures to protect the integrity and confidentiality of data on the decentralized web
  • Collaborating with other team members to design and implement web3 solutions
  • Troubleshooting and debugging issues with web3 applications
  • Staying up-to-date with the latest developments and best practices in the web3 ecosystem.