AI Software Engineer

Our client, an AI-first UK SaaS start-up in the social media and market intelligence space, is seeking an AI Software Engineer who would rather direct AI to write code than write it by hand. Coding agents already write most of the codebase. You'll plan the work, run fleets of agents to build it, and design the systems that let them ship quickly and reliably. You'll report directly to the Founder. The role is UK-based and remote or hybrid. What you'll do Plan features with the Founder and deliver them end to end using AI coding agentsBuild and improve the agent systems: work queues, parallel builds, automated review and mergingReview AI-written code for correctness and catch what tests missTurn recurring mistakes into automated quality gatesEvaluate new models and agent tooling as they're released, and adopt what makes the team fasterOwn the AI inside the product: prompts, output quality and cost per customer What you'll bring Strong commercial experience with TypeScript, React and Node.jsProduction experience with Next.js and PostgreSQLDaily, hands-on use of AI coding agents such as Claude CodeA real preference for AI-generated code over hand-written codeSolid testing practice, meaning tests that fail when the feature breaksAn evidence-led approach: you prove a fix works before calling it done Nice to have: multi-agent workflows or Claude Code hooks, skills and subagents; the Claude API or LLM pipelines at scale; MCP servers; BullMQ/Redis; Prisma, Tailwind, Railway, GitHub Actions; a background in recruitment tech or social media products.