Senior C/C++ Engineer, US Exchange
Build and optimize low-latency, high-throughput C/C++ components for Polymarket's trading exchange infrastructure. Requires 5+ years professional C/C++ experience with algorithms, data structures, and production scalable systems.
About the job
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 (e.g. Kafka or similar).
- Own reliability & correctness: Reinforce the security, availability, performance, and scalability of core exchange systems through careful design, testing, and operational rigor.
- 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.
Nice-to-haves
- 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).
Benefits
- Competitive salary & equity
- Unlimited PTO, Health, Vision, & Dental coverage
- 401k match
- Hardware setup — new MacBook Pro, big display, & accessories.
Skills
C++, C, Algorithms, Data Structures, Low-Latency Systems, High-Throughput Systems, Multithreading, Lock-Free Programming, Kafka, Performance Optimization
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