Senior Backend Engineer

We are looking for a Senior Backend Engineer to work on Gamma, the core backend powering Polymarket's markets platform. The role involves architecting and implementing Go-based services, defining and enforcing engineering standards, upholding code quality, partnering cross-functionally, and owning reliability.

Requirements

• 5+ years of production Go experience: fluent in Go idioms, interfaces, and concurrency patterns
• Strong API and microservices architecture experience: designing, implementing, and maintaining REST and GraphQL APIs at scale
• Deep SQL expertise with PostgreSQL or MySQL, plus familiarity with non-relational stores including Redis and ClickHouse
• Event-driven architecture experience: messaging systems like Redpanda or Kafka, real-time data pipelines, and gRPC service communication
• Hands-on observability and monitoring experience with Prometheus, Grafana, or OpenTelemetry for tracing, metrics, and alerting

Benefits

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