
Senior Backend Engineer, Onchain
Polymarket10 days ago
Remote, Worldwide or New York, NY, USASenior
Responsibilities
- Build and maintain onchain execution infrastructure.
- Architect high-performance backend systems.
- Own RPC and chain connectivity.
- Optimize performance and reliability of onchain systems.
- Enhance security and fault tolerance in distributed systems.
- Contribute to code quality through active code reviews.
- Stay updated on developments in EVM ecosystems and blockchain infrastructure.
Requirements
- 5+ years of experience in backend development.
- Strong fundamentals in clean code, database design, and API structure.
- Solid understanding of EVM networks and their mechanics.
- Experience with systems-level languages, preferably Golang.
- Familiarity with blockchain infrastructure like RPC nodes and relayer architectures.
- Excellent problem-solving skills for high-stakes technical challenges.
- Direct experience building or operating a relayer system is a plus.
- Experience with Ethereum rollup technologies is a plus.
- Experience with BFT consensus engines or core node software is a plus.
- Open source contributions in the blockchain ecosystem are a plus.
Benefits
- Competitive salary & equity
- Unlimited PTO
- Full Health, Vision, & Dental coverage
- 401k match
- Hardware setup: new MacBook Pro, big display, & accessories