Senior Software Engineer, Perpetuals

🕒 June 16

🗽 New York – Remote

🗽 New York – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 54%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Polymarket

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2020

₿ Crypto

🎲 Gambling

💸 Finance

Crypto • Gambling • Finance

Polymarket is a prediction market platform that enables users to wager on the outcomes of various events, including political elections, sports contests, and cryptocurrency price movements. Operating as a decentralized betting service, it allows participants to buy and trade shares in event outcomes, providing a unique way to engage with and speculate on future scenarios. Polymarket combines elements from both traditional markets and blockchain technology, creating an innovative environment for users to make predictions and potentially profit from their insights.

📋 Description

• 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.

🎯 Requirements

• 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 • (Plus) Experience with high-frequency or low-latency trading infrastructure • (Plus) Familiarity with Redis, PostgreSQL, gRPC, and Protobuf • (Plus) 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