10 of 10 Research Engineer Jobs in the City of London

Senior/Staff Applied AI/ML Research Engineer - London - £200,000 - £300,000 + bens + shares. In-Office (5 days, flexibility at Staff level) Series D | 250 Employees | High-Growth AI Company Senior/Staff Applied AI/ML Research Engineer to join foundational … research team at one of the fastest-scaling conversational AI platforms in the market. Backed by a number of well-known VC's, the company has raised $200M+ and is scaling toward nine-figure revenue by 2026. This is not an API wrapper role. This is proprietary model development ...

Applied Research Engineer | Early Stage Deep Tech Start Up | London I am partnered with an early stage, London based start up that is building an AI native intelligence layer for private market investing. The platform transforms fragmented documents, deal histories, and proprietary investment data into structured, searchable intelligence … private equity, venture capital, and private credit teams. They are hiring a Founding Applied Research Engineer to join at early stage, with real ownership of the depth of knowledge and retrieval infrastructure . This role suits someone with a strong academic background from a leading university , alongside clear ...

Senior Research Engineer – Production AI Systems London | In-office | Up to £300k base + significant equity About Our Client Our client is a very well-funded AI startup solving some of the hardest problems in production large language models. They're building systems that reliably handle complex, multi … step reasoning tasks at massive scale. Their team combines talent from top-tier quantitative trading firms, leading AI research labs, and Big Tech. Backed by tier-one venture capital, they ship fast, maintain exceptionally high technical standards, and operate as an in-office team in London. The Role They ...

Senior AI Research Engineer (LLMs/AI Systems) | London | £200K–£300K We’re hiring a Senior AI Research Engineer to work on large-scale AI systems deployed in production. The role sits between research and engineering , focusing on improving the models and systems behind … long-horizon tasks Build and iterate on model training, evaluation, and orchestration pipelines Develop end-to-end systems that run reliably at scale Take research ideas from prototype to deployed systems Work closely with engineers to ship models into production What We’re Looking For 5+ years ...

Senior Research Engineer - Conversational AI 📍 In-office (Location TBC) Recruiting for a leading conversational AI platform backed by tier-1 investors that's redefining customer experience for enterprise brands. About the company: They power AI agents for industry-defining companies, delivering personalized customer interactions across voice, chat, email … SMS. Their technology is moving customer experience beyond support tickets and hold music to faster resolutions and richer conversations. The team: The Research team builds the model and decision-making stack powering enterprise conversational agents. They work on state-of-the-art techniques in model training, prompting, orchestration ...

problem that once solved will change how every enterprise operates. We recently published our results, achieving rank 1 on the industry standard benchmark. Our research team is based in London. Everyone has high agency, obsessed with the problem we are solving, embraces the intensity of a 6-day week … ambition to build something world changing. We are a exceptional research engineers and scientists taking a novel approach to accurate database reasoning. About the role This is a founding LLM agents research engineer role, with the opportunity to define how large language models act as reliable, long ...

their AI group as they scale in London and internationally. This is not a generic graduate role. They’re looking for exceptional early-career research engineers who can combine strong academic foundations with practical engineering execution. The role You will work on applied research problems directly connected … legal documents Design evaluation methods to improve correctness, faithfulness, and reliability Improve retrieval quality (chunking, ranking, metadata strategies, failure analysis) Prototype and productionise applied research ideas into product workflows Collaborate closely with backend/full-stack engineers to deploy features end-to-end What they’re looking ...

evaluation, and reliability in precision-critical use cases Collaborate closely with full-stack engineers and domain experts What they’re looking for Strong AI research background with top publications or a strong software engineering background Excellent production engineering fundamentals regardless of background No data-science-heavy profiles Comfortable being ...

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c. £325k Comp Package | Hybrid Working] Role Overview We’re representing a leading quantitative research and trading firm operating one of the most advanced compute and engineering environments in the industry. Following structural changes to part of its HPC capability, the organisation is investing heavily in strengthening its London … within a specialist DevSecOps team focused on building and operating internal security services at scale. Rather than writing policy or handling tickets, you’ll engineer the platforms that enable secure software delivery - spanning secrets management, PKI, secure build tooling and continuous compliance across a large Linux estate... Key Responsibilities ...