Senior Product Engineer - AI-Driven, End-to-End Platform

Junior in London is seeking an experienced software engineer to own features end to end across frontend, backend and data layers. You'll ship weekly and interact directly with paying customers to shape the product. You're comfortable building polished React/Next.js interfaces and solving complex TypeScript problems live, with solid PostgreSQL foundations.

You'll join London-based team, contribute to AI-powered products, and help shape Junior's engineering culture as the team grows.