Senior Backend Engineer

About the Company

Polymarket is the world's largest prediction market platform. We enable individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs.

Responsibilities

• Architect and implement Go-based services
• Design and build services capable of sustaining high request throughput with low latency at scale
• Define and enforce engineering standards, including API versioning and error handling
• Uphold code quality through reviews and technical documentation
• Partner cross-functionally with product and infrastructure teams
• Own reliability and contribute to on-call rotations

Requirements

• 5+ years of production Go experience
• Strong API and microservices architecture experience (REST and GraphQL)
• Deep SQL expertise with PostgreSQL or MySQL
• Familiarity with Redis and ClickHouse
• Experience with event-driven architecture (Redpanda, Kafka, or gRPC)
• Hands-on observability experience with Prometheus, Grafana, or OpenTelemetry

Preferred Qualifications

• 1+ years of production Rust experience
• Familiarity with prediction markets, trading platforms, or financial systems
• Experience with blockchain or Web3 systems (EVM-based)
• Prior experience in a fast-paced startup environment

Benefits

• Competitive salary & equity
• Unlimited PTO
• Full Health, Vision, & Dental coverage
• 401k match
• Hardware setup: new MacBook Pro, big display, & accessories