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About
You'll be a core individual contributor working with other senior engineers to design, implement, and scale backend services in a latency-sensitive, high-throughput environment. This is exchange engineering - the stakes are real, the code matters, and the problems are hard. Key Responsibilities Build the exchange backend: Design and implement scalable, low-latency backend services that power Polymarket's exchange, using C/C++ and Go. Optimize for performance & scale: Profile, tune, and debug systems with a focus on latency, throughput, memory usage, and correctness at scale. Design distributed systems: Build and operate robust APIs, data pipelines, and event-driven systems using messaging and streaming infrastructure. Own reliability & operations: Reinforce security, availability, performance, and scalability across backend systems, and participate in on-call rotations. Collaborate cross-functionally: Work closely with engineers across product, infra, and data to ensure tight integration between the exchange and the broader platform. Contribute to code quality: Participate in code reviews, design discussions, and architectural decisions to maintain a high bar for engineering excellence. Requirements
4+ years of professional backend development experience, with strong proficiency in C/C++ (preferred) or Go. Solid understanding of algorithms, data structures, concurrency, memory management, and experience building high-performance systems. Comfortable working on complex systems end-to-end, debugging production issues on Linux, and taking full ownership of features. Experience in trading systems, HFT, exchanges, or other latency-sensitive domains. Bonus Skills
Production experience with Kafka, Pulsar, or similar streaming platforms at scale Familiarity with gRPC, Protobuf, ZeroMQ, or similar technologies Experience deploying systems in cloud environments (AWS/GCP) and using containers Background at a financial exchange, electronic trading desk, or market-making firm
Languages
- English
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