Senior Product Engineer (Backend) – AI-Native SaaS Platform | 10x ARR since last year

Remote-first (UK) with hybrid London office option

Up to £125,000 + equity

Typescript/Node, GCP, distributed systems

Senior 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 nearly 10x since the start of last year, they’re continuing to expand their Engineering team to match the ambition of their product and customers.

The Senior Product Engineer

As a Senior Product Engineer, you’ll be at the heart of designing, building, and scaling backend systems that power a complex, AI-driven product. You’ll work across the stack with a focus on backend 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 backend systems
• Design scalable architectures and APIs to support rapid product growth
• Lead end-to-end feature development, from concept through to release
• Champion engineering best practices and bring new ideas to the table
• Collaborate closely with Product and Design teams to build seamless user experiences

What will the Senior Product Engineer bring?

• Strong backend development expertise with Node.js and Typescript
• Experience designing secure, scalable, distributed backend systems (authentication, data pipelines, APIs)
• Familiarity with modern cloud infrastructure (GCP or AWS)
• Ability to communicate technical ideas clearly and influence team direction
• A passion for building high-quality products that customers love

This is an amazing opportunity for an Senior Product Engineer to join a fast-growing scale-up as they take the next leap in their journey. Please reply with your CV of call Simon for a chat.

Senior Product Engineer (Backend) – AI-SaaS Platform | 10x ARR

Remote-first (UK) with hybrid London office option

Up to £125,000 + equity

Typescript/Node, GCP, distributed systems