Staff Software Engineer, AI Gateway

📋 Description Set technical direction for core systems powering the AI Gateway – the model router, MCP gateway Consistently identify gaps in our infrastructure, process, or tooling before they become blockers Take a significant, hands-on role in defining, delivering, and implementing the Gateway's technical Own the hardest, highest-ambiguity problems in the system: dynamic model selection, auto-failover Act as the go-to expert for secure credential storage, session summarization, caching, and rate Build the infrastructure that lets us, and our customers, evaluate, replay, and backtest agent and 🎯 Requirements 8+ years of backend engineering experience, with a track record of owning production-grade systems Deep specialization in distributed systems, cloud-native infrastructure, and API design – Experience building secure, high-throughput services (gateways, proxies, load balancers, policy Fluency in Go and/or Rust A track record of identifying systemic gaps – in architecture, process, or tooling – and driving A strong product mindset, with real experience shaping technical direction rather than only 🎁 Benefits Remote-first by design – Work from your home, with offices in Seattle and Paris for connection and Flexibility that fits your life – We trust you to manage your schedule while delivering great work Time to recharge – Generous PTO, designated quarterly Whaleness Days, and a designated end-of-year Home office support – Set up your workspace for comfort and success Technology stipend – Equivalent to US$100 net per month to help support your work Learning & development – Annual stipend for conferences, courses, certifications, and continued