Senior Software Engineer

Senior Software Engineer - AI SaaS Platform
London (Hybrid - 2 days onsite)
£90,000 - £110,000 + bonus + benefits

A high-growth B2B generative AI scale-up based in central London is looking for a Senior Software Engineer to help build the next generation of its AI-powered SaaS platform.

Working within a fast-moving product engineering team, you will play a key role in designing and delivering new features that enhance how customers interact with AI-driven software. This is a product-led environment where engineers collaborate closely with product managers and designers to ship high-impact features and continuously improve the platform.

This role would suit an experienced engineer who enjoys building scalable systems, working across the full stack, and contributing to a product used by real customers.

Key Responsibilities
Design and deliver scalable features within a modern SaaS platform
Build reliable backend services and customer-facing functionality
Work closely with Product Managers and Designers to refine requirements and deliver solutions
Contribute to system design, architecture discussions and engineering best practices
Support the reliability and scalability of live production systems

Required Experience
Strong TypeScript / Node.js development experience
Experience building full-stack applications (React / Next.js)
Experience delivering cloud-based products in AWS, GCP or Azure
Infrastructure knowledge such as Terraform, Docker, Kubernetes or CI/CD pipelines
Experience working in startup or scale-up environments
A product mindset with strong collaboration across engineering, product and design teams

Nice to Have
Experience using Python within product development
Exposure to AI / LLM-driven products
Experience with microservices architectures

What’s on Offer
£90,000 – £110,000 base salary
Bonus scheme
Hybrid working (2 days per week in London)
Flexible working hours
Private healthcare & pension
Strong progression opportunities within a high-growth AI scale-up
The opportunity to work on cutting-edge AI products used by global customers

If you are a Senior Software Engineer looking to work on impactful AI-driven products in a fast-growing scale-up, apply now for more information.