Senior Software Engineer – AI

Senior Software Engineer – AI Native Platforms

Function: Tech

Location: Hybrid, London or Peterborough office

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

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.

Responsibilities

• 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

Qualifications

• 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

Success Criteria

• 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

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