Senior C/C++ Engineer, US Exchange at Polymarket

Polymarket

New York·7h ago

SeniorFull-timeC++

Salary Range

$132,600 - $179,400 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

Polymarket is looking for a core C/C++ engineer to help build and scale our exchange infrastructure. This is a low-latency, high-throughput systems role focused on the heart of Polymarket’s trading engine.

Key Responsibilities

→Build the exchange core: Design and implement low-latency, high-throughput components of Polymarket’s trading and matching infrastructure using C/C++.
→Optimize for speed & scale: Profile, tune, and debug performance-critical systems, with a relentless focus on latency, throughput, and determinism.
→Design robust systems: Develop efficient algorithms and data structures, and build scalable messaging and event-driven systems.
→Own reliability & correctness: Reinforce the security, availability, performance, and scalability of core exchange systems.
→Collaborate deeply: Work closely with engineers across product, infra, and data to ensure tight integration between the exchange and the rest of the platform.
→Contribute to engineering excellence: Participate in design reviews, code reviews, and architectural discussions to maintain a high bar for quality across the codebase.

Requirements

✓5+ years of professional C/C++ experience with deep knowledge of algorithms, data structures, and low-level performance optimization.
✓Proven experience building or operating low-latency, high-throughput, scalable systems in production environments.
✓Strong problem-solving skills, comfort working on complex systems end-to-end, and an entrepreneurial mindset.
✓Background in finance, trading systems, networking, or exchange infrastructure
✓Experience with multithreading, lock-free programming, and advanced optimization techniques
✓Familiarity with distributed messaging systems (Kafka or similar)