Web3 is a new paradigm
Browse 73,453 blockchain jobs in web3 at 7,168 projects. Filter the best remote crypto jobs by salary, location, and skills.
web3.career is now part of the 
Bondex Ecosystem
ai analyst backend bitcoin blockchain community manager crypto cryptography cto customer support dao data science defi design developer relations devops discord economy designer entry level erc erc 20 evm front end full stack gaming ganache golang hardhat intern java javascript layer 2 marketing mobile moderator nft node non tech open source openzeppelin pay in crypto product manager project manager react refi research ruby rust sales smart contract solana solidity truffle web3 py web3js zero knowledge
| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
KRIPTOMAT (FintechX OU) | Ljubljana, Slovenia | $68k - $90k | |||
Anchorage Digital | United States |
| |||
Bitfinex | London, United Kingdom | $88k - $117k | |||
Limit Break | Tokyo, Japan | $84k - $112k | |||
Limit Break | Tokyo, Japan | $90k - $112k | |||
Crypto.com | London, United Kingdom | $90k - $112k | |||
Rain | New York, NY, United States | $148k - $172k | |||
Rain | Latin America | $50k - $100k | |||
Rain | New York, NY, United States | $147k - $182k | |||
Rain | New York, NY, United States | $128k - $179k | |||
Rain | New York, NY, United States | $172k - $208k | |||
Rain | New York, NY, United States | $180k - $250k | |||
QuickNode | Canada | $207k - $230k | |||
Crossmint | Spain | $81k - $85k | |||
a16z | New York, NY, United States | $76k - $77k |
SwapRail
Remote
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