Polymarket - Senior Backend Engineer, API
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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 • (Plus) 1+ years of production Rust experience • (Plus) Familiarity with prediction markets, trading platforms, or financial systems • (Plus) Experience with blockchain or Web3 systems, particularly EVM-based • (Plus) Prior experience in a fast-paced startup environment
Responsibilities
• Architect and implement Go-based services. Design and build services capable of sustaining high request throughput with low latency at scale. • Architect and implement Go-based services. • Define and enforce engineering standards. Own API versioning strategy, error handling conventions, and service health benchmarks across the backend. • Define and enforce engineering standards. • Uphold code quality. Drive quality through code reviews, shared conventions, and technical documentation that the broader team can build on. • Uphold code quality. • Partner cross-functionally. Collaborate with teams across product and infrastructure to align backend services with broader company goals. • Partner cross-functionally. • Own reliability. Contribute to on-call rotations and drive reliability improvements informed by incident trends and system behavior. • Own reliability.
Benefits
• Full Health, Vision, & Dental coverage • Hardware setup: new MacBook Pro, big display, & accessories
No credit card. Takes 10 seconds.