Senior Product Engineer

Senior Product Engineer (Backend) AI-Native SaaS Platform | Tripled ARR in 12 months

Remote-first (UK) with hybrid London office option

Up to 130,000 + equity

Go, Node/Typescript on GCP/AWS with Kubernetes

Senior Product Engineer - Were 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, theyre now expanding their Engineering team to match the ambition of their product and customers.

The Senior Product Engineer

As a Senior Product Engineer , youll be at the heart of designing, building, and scaling backend systems that power a complex, AI-driven product. Youll 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 (Go and Node/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 Go and additional bonus points for Node.js and Typescript
• Experience designing secure, scalable 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 | Tripled ARR in 12 months

Remote-first (UK) with hybrid London office option

Up to 130,000 + equity

Go and Typescript/Node on GCP/AWS with Kubernetes