Senior Product Engineer (Backend) - Typescript/Node

Senior Product Engineer (Backend) - AI-Native SaaS Platform | Tripled ARR in 12 monthsRemote-first (UK) with hybrid London office option Up to £130,000 + equityTypescript/Node, React, GCP/AWSSenior Product Engineer - We''re working with a rapidly scaling AI-native SaaS company who raised an impressive Series B round in 2025. Their platform is redefining the sector, and with revenues tripling in the last year to over $12m ARR, they''re now expanding their Engineering team to match the ambition of their product and customers.The Senior Product EngineerAs a Senior Product Engineer, you''ll be at the heart of designing, building, and scaling Back End systems that power a complex, AI-driven product. You''ll work across the stack with a focus on Back End engineering, solving challenging technical problems while shaping the product experience for thousands of users.What will the Senior Product Engineer do?Contribute across the stack (Node.js/Typescript, GCP), with a strong focus on Back End systemsDesign scalable architectures and APIs to support rapid product growthLead end-to-end feature development, from concept through to releaseChampion engineering best practices and bring new ideas to the tableCollaborate closely with Product and Design teams to build seamless user experiencesWhat will the Senior Product Engineer bring?Strong Back End development expertise with Node.js and TypescriptExperience designing secure, scalable Back End systems (authentication, data pipelines, ..... full job details .....