Job Title

Lead AI Engineer – Next-Gen Predictive Intelligence PlatformStartup / AI / Product / Financial ServicesCentral London (2–3 days in office) | £100k-£120k base + strong equityA high-growth FinTech startup in London is building an AI-powered Predictive Intelligence Platform for corporates and financial institutions. Their technology connects market events, client data, and emerging opportunities through advanced agentic AI and RAG-based systems, helping financial institutions anticipate client needs before they arise.They have built a live MVP in record time, with enterprise client demos underway, and are now hiring a Lead AI Engineer to join as permanent hire number four in the founding technology team.This is a rare opportunity to join at the inflection point — a hands-on, high-ownership, high-impact role where you’ll shape the AI core of a company redefining predictive intelligence in finance.Role OverviewReporting directly to the CTO, you’ll lead the design and productionisation of the company’s core AI systems. You will architect, implement, evaluate, and scale RAG pipelines, agentic workflows, and LLM-based intelligence frameworks, driving real-world impact across financial markets.The role is approximately 80% hands-on and 20% strategic, covering Python engineering, system architecture, and model evaluation, while collaborating closely with product and domain experts.Key ResponsibilitiesBuild and deploy RAG pipelines, agentic AI workflows, and LLM integration frameworksOwn AI evaluation, guardrails, and observability systemsTranslate financial workflows into scalable AI capabilitiesCollaborate directly with the CTO and external development teamsHelp shape the AI roadmap and mentor future hiresAbout YouStrong experience in LLM engineering, RAG systems, prompt orchestration, and agentic architecturesProven experience delivering ML/AI systems into production environmentsExcellent Python engineering and system design skillsFamiliarity with APIs, MLOps, and cloud deployment (AWS, GCP, or Azure)Clear communicator, comfortable in fast-paced, early-stage environmentsSTEM degree required; MSc in AI, Computer Science, or a related field preferredYou have experience in financial services/regulated industryYou have B2B experienceWhat’s on Offer£100k-£120k base salary plus meaningful equityJoin at ground level (hire number four) with real ownership and influenceWork with an exceptional founding team from top-tier consulting, technology, and finance backgroundsHybrid working model: 2–3 days a week in Central LondonVisa sponsorship not available