[Remote] Senior Software Engineer, Perpetuals

Note The job is a remote job and is open to candidates in USA. Polymarket is the world's largest prediction market platform, enabling individuals to trade on outcomes across various domains. They are seeking a Senior Software Engineer to own the core systems for their new perpetual futures product, focusing on backend exchange engineering, low-latency order matching, and high-throughput order state management. Responsibilities Own core exchange backend systems. Take deep ownership of the systems that power order matching, position management, and order state across perpetual futures Build and optimize the matching engine. Profile hot paths, reduce lock contention, and drive improvements to latency and throughput backed by benchmarks and production-grade evidence Design for correctness at scale. Build queueing and backpressure mechanisms that keep the orderbook consistent and reliable under high load, without crossing books, creating ghost fills, or introducing stale order state Build for observability. Instrument systems with metrics, logs, and traces. Establish rollback guarantees and narrow critical paths that make production incidents faster to detect, diagnose, and resolve Improve runtime performance. Optimize CPU, memory, and allocation behavior to meet the demands of a high-throughput exchange in production Own production incidents end-to-end. Debug latency and correctness issues directly, and drive follow-through that leaves the system measurably better each time Skills Senior backend engineering experience with a strong background in order-book-based exchange systems Deep knowledge of low-latency systems concurrency, lock contention, async correctness, and performance profiling Experience with matching engines, order state management, or similar exchange infrastructure Comfort working in Rust or a strong willingness to work in it — enthusiasm for the language is a plus, resistance to it is a red flag Strong observability fundamentals metrics, logs, distributed traces, and profiling tools Strong computer science fundamentals algorithms, data structures, and systems design Experience with high-frequency or low-latency trading infrastructure Familiarity 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 Company Overview Polymarket operates a blockchain-based marketplace where users trade on the outcomes of real-world events through prediction markets. It was founded in 2020, and is headquartered in New York, New York, USA, with a workforce of 51-200 employees. Its website is https//polymarket.com. Company H1B Sponsorship Polymarket has a track record of offering H1B sponsorships, with 1 in 2026. Please note that this does not guarantee sponsorship for this specific role.

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