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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

Binance

Bangkok, Thailand

1010 trading

Remote

Maple

Remote

$98k - $115k

Tether Operations Limited

London, United Kingdom

$84k - $110k

BPrime Assets Ltd

New York, NY, United States

$36k - $52k

Referment

New York, NY, United States

$175k - $250k

Blockchain.com

New York, NY, United States

$86k - $100k

Sei Development Foundation

New York, NY, United States

$87k - $102k

Tether Operations Limited

London, United Kingdom

$81k - $107k

Wallet

Remote

$90k - $99k

Sum Pictures

Los Angeles, CA, United States

$90k - $180k

Fun

New York, NY, United States

$84k - $90k

Atlantic Partners Corporation

New York, NY, United States

Fun

New York, NY, United States

$134k - $165k

Fun

New York, NY, United States

$155k - $205k

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