Senior Backend Engineer, Exchange Systems
PolymarketUnited States
Posted May 19, 2026
Full Time
About the Company
Polymarket operates a decentralized information markets platform that allows users to place bets on real-world events—from pandemics to political outcomes—turning collective speculation into predictive insights. By aggregating diverse viewpoints, the platform provides actionable data that helps individuals and organizations anticipate future developments and make informed decisions. Polymarket differentiates itself through a transparent, blockchain‑based architecture that ensures data integrity and enables instant, tamper‑proof settlement. Its focus on high‑impact, globally relevant topics positions the company at the intersection of finance, data science, and public policy, offering a unique career environment for those passionate about technology and societal impact.
Job Description
Polymarket is looking for a Senior Backend Engineer to join our DeFi Trading team and own core improvements to our exchange systems.
Requirements
- Production experience building low-latency backend systems at scale
- Strong concurrency skills and a track record debugging lock contention, race conditions, and async correctness issues
- Fluency in production Go and Rust
- Deep observability experience: pprof, metrics, logs, and distributed traces
- Experience with exchange systems that interact with EVM or blockchain settlement layers
- Strong computer science fundamentals: algorithms, data structures, concurrency, and profiling
- Direct experience with matching engines or exchange infrastructure
- EVM transaction lifecycle experience: confirmations, reorgs, and how on-chain state affects off-chain systems
- Go runtime and GC tuning experience
- Experience with Redis, PostgreSQL, gRPC, and Protobuf
- Kubernetes and AWS production operations experience
Benefits
- Competitive salary & equity
- Unlimited PTO
- Full Health, Vision, & Dental coverage
- 401k match
- Hardware setup: new MacBook Pro, big display, & accessories