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Browse 73,451 blockchain jobs in web3 at 7,168 projects. Filter the best remote crypto jobs by salary, location, and skills.

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Job Position Company Posted Location Salary Tags

Real

New York, NY, United States

$115k - $145k

Tether Operations Limited

ZH Zürich CH

$84k - $110k

Tether Operations Limited

Milan, Italy

$90k - $125k

Bitfinex

Mexico City, Mexico

$106k - $107k

Swissblock

Baar ZG

$88k - $105k

Impossible Cloud

New York, NY, United States

$127k - $177k

Binance

Latin America

Binance

Taipei, Taiwan

Crossmint

Remote

$110k - $114k

QuickNode

United States

$64k - $105k

Nubank

Palo Alto, CA, United States

$84k - $148k

CZR US

Miami, FL, United States

$90k - $90k

NEAR Foundation

San Francisco, CA, United States

$96k - $120k

MoonPay

Remote

$105k - $163k

Base

Remote

$68k - $90k

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