Senior Software Engineer - AI

Peterborough, Cambridgeshire, United Kingdom and 1 more (Hybrid)

Senior Software Engineer - AI Native Platforms

Function: Tech

Location: Hybrid, London or Peterborough office

Curious about what's next?

So are we. Join Compare the Market and help to make financial decision making a breeze for millions.

At Compare the Market, we're a purpose-driven business powered by tech and AI. We're building high-performing, results-driven teams with the skills, mindset, and ambition to deliver outcomes at pace. Every role here plays a part in driving our mission forward, and we create an environment where you can bring your authentic self, grow a truly characterful career, and see the direct impact of your work on the lives of our customers.

We've carved a meerkat-shaped niche and we're looking for ambitious, curious thinkers who thrive in a fast-moving, high-impact environment. If you love accountability, embrace challenge, and want to make a real difference, you'll fit right in.

We'd love you to be part of our journey:

As a Senior Software Engineer (AI Engineering), you'll take a leading role in designing and implementing agent-ready systems and developer tools. You'll build production-grade software that enables safe, scalable, and AI-augmented engineering, while mentoring and guiding engineers to raise the bar across the team.

Some of the great things you'll do:

• Lead the design and development of services that support AI agent interaction
• Drive the application of GenAI to modernise, refactor, and accelerate legacy systems
• Define and implement APIs, contracts, and metadata aligned with the Model Context Protocol
• Shape and evolve internal tooling that supports AI-native SDLC workflows
• Influence architecture decisions, conduct design and code reviews, and lead incident response

What we'd like to see from you:

• Proven backend development expertise, with experience delivering complex, high-scale systems
• Ability to mentor, guide, and upskill engineers within the team
• Familiarity with or eagerness to advance in:
  • Model Context Protocol for managing context and tool interfaces for agents
  • LLM integration patterns including prompt orchestration, multi-agent planning and tool calling
  • Retrieval-Augmented Generation (RAG) for dynamic context injection
  • Model selection / A/B testing / observability

What will success look like:

• Delivers high-quality, maintainable code that meets business needs
• Takes ownership of complex problems end-to-end, from design through deployment
• Rapidly learns, applies, and advocates for emerging AI-native engineering patterns
• Raises the bar for technical excellence, system simplicity, and agent-readiness
• Actively contributes to the growth and effectiveness of the wider engineering team

Why Compare the Market?

We're a business built for pace and performance. Here, you'll be encouraged to think differently, act boldly, and deliver brilliantly in a culture that values results and rewards progress.

We believe diverse teams make better decisions, and we're committed to creating an inclusive workplace where everyone feels empowered to grow, contribute, and thrive.

If you're ready to stretch yourself, raise the bar, and grow with a team that's serious about performance, innovation, and purpose, we'd love to hear from you.

• Job Identification 100023
• Job Category Technology
• Posting Date 04/23/2026, 07:15 AM
• Job Schedule Full time
• Locations Pegasus House, Peterborough, Cambridgeshire, PE2 6YS, GB White Collar Factory, London, London, EC1Y 8AF, GB (Hybrid)