GrepJob
Polymarket

Senior Backend Engineer, Onchain

Polymarket
Apply
10 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

Tech Stack

C++GoPostgreSQLRust