Product Engineer - AI-Driven Growth Platform (London)

Dex; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Dex is partnering with a London startup building autonomous AI agents to manage creator marketing for household-name brands. The role requires shipping production systems end-to-end with a focus on TypeScript, NestJS, Next.js, and PostgreSQL, and involves end-to-end ownership in a fast-growing startup environment.

The successful candidate will architect long-running workflows, scale discovery pipelines, and ship features across TS, Go, and PostgreSQL while operating in a high-velocity London

Qualifications

• Shipping production systems end to end, with full-stack fluency in TypeScript and PostgreSQL.
• Able to translate vague business problems into production UX without a dedicated product manager.
• Proven track record of owning entire systems at a fast-growing startup.
• In-office in London five days a week.

Responsibilities

• Architect long-running agent workflows that maintain memory, state, and automated recovery across months of unattended creator interactions.
• Build high-throughput negotiation and budgeting engines that commit real brand capital autonomously and securely.
• Design automated feedback loops that feed clicks, replies, and attributed sales directly back into the system to measurably improve agent behavior.
• Scale creator discovery and scoring pipelines that run across internet-scale data while managing upstream model rate limits.
• Ship end-to-end features across TypeScript, Go, and PostgreSQL, making autonomous calls on architecture, scope, and user experience.

Skills

TypeScript

NestJS

Next.js

PostgreSQL

Tools

Go

Job description

Dex is partnering with a London startup building autonomous AI agents to manage creator marketing for household-name brands. The role requires shipping production systems end-to-end with a focus on TypeScript, NestJS, Next.js, and PostgreSQL, and involves end-to-end ownership in a fast-growing startup environment.

The successful candidate will architect long-running workflows, scale discovery pipelines, and ship features across TS, Go, and PostgreSQL while operating in a high-velocity London