Senior Backend Engineer, US Exchange

Polymarket is a decentralized information markets platform that lets users bet on the outcome of real-world events.

Maintainer signals as of 9/25/2026

1280 Lexington Avenue, New York, USA, United States
About Polymarket

Polymarket is an information markets platform where users can trade on the outcomes of various events, leveraging the power of free markets to forecast the future. It provides a mechanism for users to bet on real-world events and earn money based on the outcomes.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

Build and scale core exchange infrastructure through scalable, low-latency backend services, distributed APIs, data pipelines, and event-driven systems. Profile and debug production systems while owning reliability, availability, security, performance, and operational excellence.

Requirements

  • 4–7+ years of professional backend development experience.
  • Strong proficiency in C/C++ or another systems language such as Go, Rust, or Java.
  • Understanding of algorithms, data structures, concurrency, and memory management.
  • Experience building low-latency, high-throughput systems.
  • Ability to debug production issues on Linux and ensure correctness and performance.
  • Experience in trading systems, HFT, gaming, telecom, or other latency-sensitive domains is a plus.
  • Production experience with Kafka, Pulsar, or similar streaming platforms is a plus.
  • Familiarity with gRPC, Protobuf, ZeroMQ, or similar technologies is a plus.
  • Experience deploying systems in AWS or GCP and using containers is a plus.

Responsibilities

  • Design and implement scalable low-latency backend services.
  • Profile, tune, and debug production systems for latency, throughput, memory usage, and correctness.
  • Design and operate distributed APIs, data pipelines, and event-driven systems.
  • Reinforce reliability, availability, security, performance, and scalability.
  • Diagnose and resolve production issues.
  • Collaborate with engineers across product, infrastructure, and data.
  • Participate in code reviews, design discussions, and architectural decisions.

Benefits

  • Equity
  • Unlimited PTO
  • Health coverage
  • Vision coverage
  • Dental coverage
  • 401k match
  • Hardware setup including a new MacBook Pro, display, and accessories