Web3 Jobs: Blockchain, smart contract and crypto jobs

Backend Engineer

Luno

1 month

South Africa $105K-$175K

Performance Optimization Backend Engineer System Design Crypto Distributed Systems

OKX

2 months

San Jose, California, United States, New York $250,444.00 to $375,666.00

Performance Optimization Web3 Security Crypto AI

Sei Labs

2 months

New York, NY, Hybrid

Performance Optimization DeFi Web3 EVM Tech Lead

Sei Labs

2 months

New York, NY, Hybrid

performance optimization Web3 EVM Blockchain Full-time

Polymarket

2 months

New York, Remote, Hybrid Competitive salary & equity

Performance optimization Crypto Swift Engineering iOS

Polymarket

3 months

New York Competitive salary & equity

Performance Optimization GCP Rust Security Algorithms

Polymarket

3 months

New York Competitive salary & equity

Performance Optimization Crypto Algorithms Fintech Kafka

Polymarket

3 months

New York, Remote $200K – $280K • Offers Equity

Performance Optimization React TypeScript DeFi Crypto