{"id":3893237,"url":"https://alion.io/job/compare-the-market-principal-engineer-data-ai-capabilities","title":"Principal Engineer (Data & AI Capabilities)","company":{"id":1762840,"name":"Compare the Market","domain":"comparethemarket.com","url":"https://alion.io/company/comparethemarket-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Peterborough, United Kingdom","London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-21T10:12:56Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-11-12T18:07:57Z","board_verified":true,"closed_at":null,"days_open":52,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":52},"description":"Curious about what’s next?\nSo are we. Join Compare the Market and help to make financial decision making a breeze for millions.\nAt 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.\nWe’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.\nWhat you’ll be doing:\nSet the technical direction for Data & AI, acting as a trusted technical leader who shapes how AI and data solutions are designed and built across the business.\n\nLead the design and delivery of complex, large-scale AI and data solutions that can be adopted and scaled across the organisation.\n\nEstablish best practices, standards and reusable frameworks that help teams build more consistently and efficiently.\n\nImprove how we monitor, evaluate and support AI systems in production, so they remain reliable and continue to deliver value.\n\nPartner with senior stakeholders across Data, Product and Engineering to turn business goals into impactful technical solutions.\n\nMentor engineers across the Data & AI community and help ensure the right governance, standards and controls are in place as our AI capability grows.\n\nWhat we’re looking for:\nSignificant experience designing, delivering and supporting large-scale data and AI solutions in production, within a complex organisation.\n\nProven experience setting technical direction, establishing engineering standards and frameworks, and influencing decisions from engineering through to leadership level.\n\nStrong software engineering fundamentals, with experience designing, building and operating large-scale, data-intensive systems in production.\n\nExperience of, understanding of, or a strong interest in, applying these skills to AI/ML engineering.\n\nA strong understanding of how to balance technical excellence with business outcomes.\n\nThe ability to communicate complex ideas clearly and build strong relationships with both technical and non-technical stakeholders.\n\nA passion for mentoring others and helping teams and individuals develop.\n\nAn interest in shaping how organisations adopt and scale AI in a practical, responsible and impactful way.\n\nWhy Compare the Market?\nWe’re a business built for pace and performance. 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