2d ago
Senior Backend Engineer, Onchain
New York
โจ $200k-$300k / yearest.
full-timeseniorai-ml
๐ Tech Stack
๐ผ About This Role
You'll build and maintain onchain execution infrastructure for the world's largest prediction market, designing relayer systems and transaction pipelines that power every trade. You'll architect high-performance backend systems handling high transaction volumes with low latency. This role demands deep blockchain knowledge and a passion for distributed systems.
๐ฏ What You'll Do
- Design and operate relayer systems and transaction pipelines
- Build reliable, scalable APIs and services
- Implement and scale RPC endpoints and chain connectivity
- Optimize system throughput and efficiency
๐ Requirements
- 5+ years experience in backend development
- Strong fundamentals in clean code, database design (PostgreSQL), and well-structured APIs
- Solid understanding of EVM networks
- Experience with Golang (strongly preferred) or Rust/C++
โจ Nice to Have
- Direct experience building or operating a relayer system
- Experience with Ethereum rollup technologies (Arbitrum Nova, Optimism)
- Experience with BFT consensus engines or core node software
๐ Benefits & Perks
- ๐ต Competitive salary & equity
- ๐๏ธ Unlimited PTO
- ๐ฅ Full Health, Vision, & Dental coverage
- ๐ 401k match
- ๐ป Hardware setup: new MacBook Pro, big display, & accessories
๐จ Hiring Process
Estimated timeline: 2-4 weeks ยท AI estimate
- 1Recruiter Callยท 30 min
- 2Technical Screenยท 60 min
- 3Onsite Interviewsยท 240 min
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