Product Engineer (Backend)

b Overview /b p In this role you will help apply foundation models to multimodal data at scale, support a multi-tenant platform, and build and ship robust APIs for internal and customer-facing products. You will work within the Go Engineering team to solve real customer problems and contribute to rapid production releases. The role emphasizes ownership, proactive problem-solving, and clear collaboration with product and design to deliver impactful AI solutions. You join a fast-growing company that values innovative, scalable AI at pace. /p b Pay / Benefits /b ul li equity /li li hybrid work /li li London location /li li compensation 90K-160K /li li full-time employment /li li collaborative team culture /li /ul b Responsibilities /b ul li Enable foundation models for multimodal data at scale /li li Scale the platform to support multi-tenant usage patterns /li li Build a rich suite of APIs powering internal systems and customer-facing products /li li Ship to production multiple times a day in collaboration with Product and Design /li /ul b Key requirements /b ul li Functional programming experience /li li AWS and Terraform infrastructure management at scale /li li Understanding of queue management and observability /li li Experience with orchestration tools like Docker /li li Knowledge of GenAI and prompt engineering /li li Familiarity with Elixir is a plus; other languages (Scala, GoLang, Node.js, Haskell, Clojure, F#) acceptable /li /ul ul li Customer-centric mindset /li li Self-starter with strong product ownership /li li Proactive problem-solving and willingness to seek help when needed /li li Functional programming /li li Elixir (plus) /li li Scala /li /ul