Software Engineer, Payments Infrastructure

📋 Description Build real-time card capture for voice: intercept keypad and spoken digits in a live audio stream Build and extend the tokenization platform: agents receive and send short-lived tokens, and the Own the payments egress control plane: every destination for card data is approved, versioned with Make payment actions correct: an at-most-once action primitive in the Agent SDK, validated amounts Keep card data out of places it should not be: deterministic detection in the agent's hot path that Make payments self-serve: one payments API across Agent Studio, the Agent SDK, and Ghostwriter 🎯 Requirements 5+ years building backend, platform, or infrastructure systems, with a track record of shipping and A deep security instinct. You design as though every component will eventually be compromised, and Rigor about correctness under failure: retries, idempotency, at-most-once behavior, and clear Fluency in a systems language (we use Go) and comfort owning critical systems end to end, from Range and ownership. You like a small team with broad scope, you build clean abstractions over Clear communication. You can explain a design or a risk to other engineering teams and to 🎁 Benefits Flexible (unlimited) paid time off Medical, dental, and vision benefits for you and your family Life insurance and disability benefits Retirement plan dependent on country of employment Parental leave Fertility and family building benefits through Carrot