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Full Stack Product Engineer

London Office💼 Full-time💰 $70,000–$70,000🗓 2026-05-16 → 2026-07-31

Core

Building user-facing product surfaces (web apps, CLI tools) that expose Cosine's autonomous AI agent capabilities to developers.

Role type

Full Stack Product Engineer (AI/Developer Tools)

Builds

SaaS and on-prem developer tooling integrating autonomous AI agents

Domain

AI / Autonomous Software Engineering / Developer Experience

Deliverable

product features

Required skills

React, TypeScript, Node.js, REST APIs, CI/CD, Docker, Kubernetes, GCP

Preferred skills

CLI development, Python, Go, Grafana, Datadog

Technologies

React, Svelte, Vue, TypeScript, Node.js, Python, Go, Git, Docker, Webpack, npm, Kubernetes, GCP, Grafana, Datadog

Responsibilities

Build end-user products (CLI, web apps) integrating with Cosine platform APIs; Enable developers to use advanced language models; Collaborate with research to validate new product experiences; Translate model capabilities into user-facing features; Maintain performance and reliability across platforms.

Seniority

Mid-Senior (5+ years experience)

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