Research Scientist (Applied LLMs), London

Company IconIsomorphic Labs
Location IconLondon

Overview In this role you will advance drug discovery by applying cutting-edge Large Language Models to biomedical problems. You will collaborate with scientists and engineers to design and implement LLM solutions that expand predictive pow...Read More>>.

Posted: September 30th, 2026
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Research Engineer (LLM Performance), London

Company IconIsomorphic Labs
Location IconLondon

Overview In this role you will advance frontier AI applied to drug design, helping to scale foundational models and optimize performance for real-world biomedical programs. You will work within an interdisciplinary team to translate researc...Read More>>.

Posted: October 1st, 2026
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London AI Engineer (LLM) — Startup, Founding Team

Company IconGranola
Location IconLondon

A forward-thinking startup in London is seeking a passionate engineer to apply the latest advancements in LLMs. You will own the development of LLM-based features, build evaluation frameworks, and collaborate with a cross-functional team. Ideal candi...Read More>>.

Posted: June 6th, 2026
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LLM Infra Platform Engineer — On-site London

Company IconTalenzon group
Location IconLondon

A technology consulting firm in London seeks an AI Platform Engineer to build and maintain infrastructure for LLM deployment and inference. The ideal candidate will possess strong experience with cloud platforms like AWS, Docker, and Python programmi...Read More>>.

Posted: June 6th, 2026
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Machine Learning Engineer / Applied Scientist (NLP / LLMs / Search) London (Hybrid) | Up to £110k

Company IconOpus Recruitment Solutions
Location IconLondon

Machine Learning Engineer / Applied Scientist (NLP / LLMs / Search) London (Hybrid) | Up to £110k Python | NLP | LLM | Machine Learning | Elasticsearch | OpenSearch | PyTorch | Tensorflow | AWS | RAG | This is for a orga...Read More>>.

Posted: June 21st, 2026
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Production AI Data Scientist - LLMs for Underwriting (London)

Company IconCFC Underwriting
Location IconLondon

CFC Underwriting is seeking a mid‑level Data Scientist to join the Data & AI team in London. You will work on production‑grade ML/LLM systems for underwriting decisions, from prototyping with stakeholders to delivering live, measurable improve...Read More>>.

Posted: July 30th, 2026
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AI Research Engineer: Build LLMs for FinCrime in London

Company IconArva AI
Location IconLondon

Arva AI, a London-based startup focused on AI-driven financial crime solutions, seeks an AI Research Engineer to build in-house models, train and evaluate LLMs and agentic systems powering our compliance platform.You will own model improvem...Read More>>.

Posted: August 7th, 2026
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Forward-Deployed LLM Data Scientist (London) Equity

Company IconZettafleet
Location IconLondon

Zettafleet is an end-to-end platform for training LLMs on proprietary data. We seek a Forward-Deployed LLM Data Scientist who embeds with client teams to turn raw data into training-ready formats and advise on data lifecycle.Based in London...Read More>>.

Posted: August 20th, 2026
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Research Engineer (LLM Performance), London

Company Iconisomorphiclabs
Location IconLondon

Isomorphic Labs is applying frontier AI to help unlock deeper scientific insights, faster breakthroughs, and life-changing medicines with an ambition to solve all disease.The future is coming. A future enabled and enriched by the incredi...Read More>>.

Posted: September 12th, 2026
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Frontier AI LLM Systems Engineer - London

Company Iconisomorphiclabs
Location IconLondon

Isomorphic Labs in the United Kingdom is seeking a senior machine learning engineer to advance frontier AI for drug design. You will work on scale training of large language models and collaborate with scientists and engineers to deploy production...Read More>>.

Posted: September 12th, 2026
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AI Engineer: LLM & Automation - Hybrid London, WFH Mon/Fri

Company IconLendable Ltd
Location IconLondon

Lendable Ltd seeks an AI Engineer to push the boundaries of applied AI across customer-facing chatbots and document processing. You will craft production-ready Python services, expand LLM-enabled actions, and design robust data workflows that auto...Read More>>.

Posted: September 17th, 2026
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GenAI Data Scientist — LLM & Prompting (Hybrid, London)

Company IconTank Recruitment
Location IconLondon

Tank Recruitment is seeking a Data Scientist (Generative AI) in London with hybrid working options. The role focuses on leading GenAI projects, developing LLM-based applications, and deploying AI workflows at scale. Strong ML/NLP background and ha...Read More>>.

Posted: September 21st, 2026
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Enterprise AI Engineer - LLMs & Copilots (London, Hybrid)

Company IconGazelle Global Consulting Limited
Location IconLondon

Gazelle Global Consulting Limited in London is seeking an AI Engineer for a 12-month contract on a hybrid model with 3 days onsite. You will design and deploy AI-powered applications and build enterprise AI solutions using LLMs, Generative AI, and...Read More>>.

Posted: September 24th, 2026
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AI Product Engineer — Full-Stack & LLMs (London)

Company Iconnumi
Location IconLondon

numi, an early-stage AI company building agents for the infrastructure sector, seeks a software engineer to own end-to-end features on a modern TypeScript stack. You’ll ship frontend, backend, and integrations with real ownership from problem to...Read More>>.

Posted: September 26th, 2026
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LLM AI Engineer — Founding Team, London Office

Company IconMat Vin
Location IconLondon

Granola is seeking a self-starting software engineer to apply the latest LLM advances in user-centric products from its London office. You will stay on top of trends, build evaluation frameworks, and rapidly develop features that scale Granola to...Read More>>.

Posted: September 26th, 2026
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Applied AI Engineer - Hybrid London, LLM Systems

Company IconSoCode
Location IconLondon

SoCode in London is seeking an Applied AI Engineer to design and implement production-grade AI systems, collaborating with research and engineering teams in an Agile environment.The role focusses on LLMs, RAG, and modern microservice archit...Read More>>.

Posted: September 27th, 2026
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Senior AI/ML Engineer — Agentic LLM Systems (Hybrid, London)

Company IconExperis UK
Location IconLondon

Experis UK is hiring an AI / Machine Learning Engineer to design, build, and scale agentic LLM systems for enterprise environments. The role involves crafting tool-calling frameworks, multi-step planning, and robust back‑end services that suppor...Read More>>.

Posted: October 1st, 2026
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AI Engineer - Hybrid London, LLMs & AI Apps

Company IconProspect Global Ltd
Location IconLondon

Prospect Global Ltd in London is seeking a highly skilled AI Engineer to build AI-powered software solutions using LLMs and modern generative AI tools. The role focuses on integrating AI models, automating workflows, and delivering enterprise-grad...Read More>>.

Posted: October 1st, 2026
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AI Platform Engineer - LLMs & Production, 4-Day Week London

Company IconOliver Bernard
Location IconLondon

Oliver Bernard in London is seeking an AI Platform Engineer to turn models into reliable, production-grade products. You will own APIs connecting data, models and user interfaces, and manage authentication, permissions, logging and monitoring. You...Read More>>.

Posted: October 2nd, 2026
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Senior ML Engineer - LLM/NLP for Enterprise (London, On-site)

Company IconOscar Technology
Location IconLondon

Oscar Technology in London is hiring a Machine Learning Engineer to build models, agents and evaluation systems that analysts rely on to analyse data, work with documents and automate research.You will join the UK core team of around thirty...Read More>>.

Posted: October 4th, 2026
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AI Security Engineer – LLM & Red Team (Hybrid, London)

Company IconVallum Associates
Location IconLondon

Vallum Associates in London seeks an AI Security engineer to secure AI systems, including LLM and model security, governance, and secure deployment pipelines. The role is hybrid with three days on-site and a 1-year contract.You will work cl...Read More>>.

Posted: October 7th, 2026
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Senior AI Engineer - LLM & Azure, Hybrid London

Company IconHarnham - Data and Analytics Recruitment
Location IconLondon

Harnham - Data and Analytics Recruitment is seeking an AI Engineer in London (Soho, hybrid) to shape and deliver AI solutions from concept through to production. You will lead the design of LLM architectures and build AI tools, collaborating with...Read More>>.

Posted: October 9th, 2026
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Senior AI Engineer — Greenfield LLM, Hybrid London Equity

Company IconHarnham - Data & Analytics Recruitment
Location IconLondon

Harnham is seeking a Senior AI Software Engineer in London, a hybrid role offering up to £140,000 base salary with equity. You will join as the first senior engineering hire, shaping both product and engineering culture and driving architecture f...Read More>>.

Posted: October 11th, 2026
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Senior AI Engineer: LLM Agents & Retrieval, London

Company IconTech Talent Partners
Location IconLondon

Tech Talent Partners is partnered with a fast-growing Series A AI company in London, building software for complex knowledge work. They seek a Senior AI Engineer to own the agentic systems at the heart of the product and ship reliable outputs....Read More>>.

Posted: October 11th, 2026
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GenAI & LLM Engineer — Hybrid London, Equity

Company IconTHRivve by intelletec
Location IconLondon

THRivve by intelletec is looking for an Expert AI Engineer to join their London team in a hybrid role. You will build and scale GenAI products for top-tier banks and hedge funds, responsible for turning massive data into actionable insights....Read More>>.

Posted: October 11th, 2026
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ML Engineer: LLM Systems for Investment AI (London Office)

Company IconDescrial
Location IconLondon

Descrial is hiring a Machine Learning Engineer to design, build, and evaluate LLM-powered systems at the core of W-OS. You will work with LangGraph and LangChain on Python/FastAPI backends, focusing on multi-step agentic workflows, retrieval over...Read More>>.

Posted: October 11th, 2026
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Production LLM Systems Engineer — Hybrid London

Company IconSignify Technology
Location IconLondon

Signify Technology is seeking a Forward Deployed Engineer to join a London-based hybrid team. You will translate business problems into production-ready AI tooling, taking models into live customer features and building shared platforms across the...Read More>>.

Posted: October 14th, 2026
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GenAI & Python LLM Engineer — RAG & Retrieval Tools | Hybrid London

Company IconClient Server Limited
Location IconLondon

Client Server Limited in London seeks a Senior Software Engineer to work on GenAI, LLM-based RAG workflows and MCP-style integrations. You will prototype and engineer GenAI capabilities, collaborating with Investment Analysts on internal tools....Read More>>.

Posted: October 15th, 2026
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Senior Data & AI Engineer — Azure Databricks & LLMs (Hybrid, London)

Company IconTenth Revolution Group
Location IconLondon

Tenth Revolution Group in London is seeking a Senior Data & AI Engineer to drive Azure Databricks powered data platforms and AI initiatives at a hybrid London site.You'll design scalable data platforms, build pipelines with Databricks, PySp...Read More>>.

Posted: October 17th, 2026
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LLM Researcher: Architect & Optimizer (London, Hybrid)

Company IconOpenAI
Location IconLondon

OpenAI is seeking a candidate for LLM development, responsible for enhancing intelligence and efficiency of language models. The role involves designing new architectures and contributing to model performance optimization.Based in London, t...Read More>>.

Posted: September 28th, 2026
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AI Product Designer — GenUI/LLM Interfaces (Remote/London)

Company IconTangent
Location IconLondon

Tangent is seeking a mid-weight AI Product Designer to shape modern, AI-powered experiences. You’ll blend strong UX/UI foundations with GenUI and LLM-driven design, prototyping across conversational and system-driven interfaces while collaborati...Read More>>.

Posted: October 2nd, 2026
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AI Technology Adoption Specialist - London

Company IconLondon & Partners
Location IconLondon

AI Technology Adoption Specialist - LondonThe AI ProgrammeThis three-year programme is funded by the GLA aligning with their new AI mission which has established an AI taskforce to look at the future o...Read More>>.

Posted: September 26th, 2026
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Graduate AI Software Engineer - Nottinghamshire

Company IconIdeagen
Location IconNottingham

Graduate AI Software Engineer - NottinghamshireRole Purpose:Location- Ruddington, NottinghamshireDepartment - Product R&DWorking Pattern - Hybrid (3 days a week...Read More>>.

Posted: July 9th, 2026
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AI Product Manager - Hybrid - Sunderland, UK

Company IconEDF
Location IconSunderland

AI Product Manager - Sunderland, UKAbout the RoleAre you ready to take the lead on how AI is used safely, securely and effectively across a growing renewable energy business? As AI technology develops at...Read More>>.

Posted: June 9th, 2026
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Senior AI Software Engineer

Company IconOcho
Location IconBelfast

Senior AI Software EngineerAt-a-Glance- Senior backend role building the core of an AI operating system- Java, Go and Python across LLM integration, agent orchestration and retrieval infrastructure- AWS, Neo4j, distributed sy...Read More>>.

Posted: October 6th, 2026
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Security AI Operations Engineer

Company IconThales UK Limited
Location IconBelfast

Location: BELFAST ARNOTT HOUSE, United KingdomThales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digit...Read More>>.

Posted: October 8th, 2026
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Senior AI Developer

Company IconOcho
Location IconBelfast

Senior Software Engineer | Python & C++ | Belfast- Senior Software Engineer (5+ years) working in Python and C++- Embedded, robotics and AI-driven systems, from Raspberry Pi to simulation and autonomy- An AI-firs...Read More>>.

Posted: October 8th, 2026
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Senior AI Solutions Consultant

Company IconOcho
Location IconBelfast

Senior AI Solutions ConsultantAt-a-Glance- Customer-facing senior role, still properly hands-on with code- Shaping and delivering AI solutions for large, highly regulated organisations- Python, large language models, agentic...Read More>>.

Posted: October 9th, 2026
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Care Assistants

Company IconAI Homecare
Location IconNewtownards

Care AssistantsLocations: Comber areaSalary: Excellent hourly rate + mileage reimbursementReferral Scheme:£150 refer-a-friend bonusContract Types:...Read More>>.

Posted: October 15th, 2026
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AI Software Engineer - Mid Level

Company IconMCS Group
Location IconBelfast

Mid-Level Full Stack Software Engineer£30,000-£40,000MCS Group is partnering with a growing business that is investing in technology and building a new team to develop software products for its customers...Read More>>.

Posted: October 17th, 2026
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AI & Business Automation Consultant

Company IconMCS Group
Location IconBelfast

AI & Business Automation Consultant | Belfast | HybridI am looking to hire an AI & Business process consultant to take ownership of automation and AI opportunities across the business.This is a...Read More>>.

Posted: October 9th, 2026
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Solutions Engineer (AI Platforms)

Company IconOcho
Location IconBelfast

Solutions Engineer (AI Platforms)At-a-Glance- Mid-level engineering role deploying an AI platform into complex customer environments- Integration, configuration and extension of a proprietary AI operating system- Python, APIs...Read More>>.

Posted: October 15th, 2026
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