Senior ML Engineer II - Agentic AI & LLM Systems

Company IconMenlo Ventures
Location IconLondon

The Company You’ll JoinCarta connects founders, investors, and limited partners through world-class software, purpose-built for everyone in venture capital, private equity and private credit. Trusted by 65,000+ companies in 160+ c...Read More>>.

Posted: March 27th, 2026
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Senior Automation Tester - FinTech, Low-Latency Trading

Company IconHunter Bond
Location IconLondon

A leading FinTech firm based in London is seeking a Senior Automation Tester to join their world-class engineering team. This role requires strong experience in automation testing and proficiency with tools like Selenium and Python. You will work in...Read More>>.

Posted: March 27th, 2026
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Enterprise AI Engineer - Azure, RAG & Governance

Company IconICBC Standard Bank Plc
Location IconLondon

A prominent financial institution is seeking an AI Engineer to design and implement enterprise-level AI solutions. This role involves integrating advanced AI technologies across global platforms while ensuring compliance with governance and risk mana...Read More>>.

Posted: March 28th, 2026
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Machine Learning Engineer — Greenfield NLP, 4D Week, London

Company IconDigital Waffle
Location IconLondon

An innovative AI start-up in the United Kingdom is looking for a Machine Learning Engineer to design and deploy ML features. This role offers the chance to work closely with experienced founders and a senior engineering team, influencing the technica...Read More>>.

Posted: April 3rd, 2026
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Machine Learning Engineer - AI/NLP for Risk & Security

Company IconWyatt Partners
Location IconHounslow

A leading analytics software company in Hounslow is seeking a Machine Learning Engineer. This role involves working on AI, NLP, and Data Visualization projects for major corporations. Candidates should have a strong STEM degree and experience with Ma...Read More>>.

Posted: April 11th, 2026
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UK Legislation Editorial QA Lead | AI-Driven

Company IconLexisNexis Risk Solutions
Location IconLondon

A global information provider is seeking a UK Legislation Editorial Quality Lead to define and implement a quality strategy for statutory content. This role involves collaborating with various teams, establishing quality controls, and monitoring metr...Read More>>.

Posted: April 11th, 2026
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QA Test lead Bristol, hybrid £85,000

Company IconSR2 | Socially Responsible Recruitment | Certified B Corporation™
Location IconBristol

I’m recruiting for a QA Test Lead/ Principal Level Test Engineer to join my client in North Bristol, working on cutting edge, mission-critical technologies that help keep people on the front line safe and connected in high pressure situations...Read More>>.

Posted: April 11th, 2026
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Senior AI/ML Engineer: AI Integration & Fintech Platforms

Company IconWorldpay
Location Icon

A global payment technology company seeks a Senior AI/ML Engineer to lead AI product development from architecture to deployment. This role requires expertise in AI/ML programming languages, application development within cloud environments, and coll...Read More>>.

Posted: April 11th, 2026
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Test Analyst: Exploratory QA & Client Liaison

Company IconSynergy Solutions International Limited
Location IconLondon

A London-based consultancy firm is seeking a Test Analyst to join their team. This role involves scoping and planning test requirements, executing tests, and reporting issues. Candidates should have an IT related degree and previous testing experienc...Read More>>.

Posted: April 11th, 2026
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Senior Azure Test Analyst - Data-Driven Web Apps QA

Company IconRGH-Global Ltd
Location IconLondon

A leading technology consulting firm based in the UK is seeking a Senior Test Analyst for a challenging 12-month project. The successful candidate will test complex Azure end-user web applications, ensuring quality and performance. Key responsibiliti...Read More>>.

Posted: April 11th, 2026
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NLP/LLM AI Engineer — Cloud & MLOps

Company IconInforma
Location IconLondon

A leading global information services company is seeking an AI Engineer to design, develop, and deploy advanced AI solutions focusing on Natural Language Processing and Large Language Models. Ideal candidates will have heavy experience with AWS, Pyth...Read More>>.

Posted: April 11th, 2026
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Senior QA Engineer for AI-Driven E‑commerce Platform

Company IconSwap
Location IconLondon

A forward-thinking technology company in Greater London is seeking a Senior QA Engineer to lead quality across ecommerce workflows and build robust QA strategies. The role involves defining processes from scratch and ensuring the delivery of high-qua...Read More>>.

Posted: April 17th, 2026
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Founding AI Engineer — Equity, LLM Platform, London

Company IconJack & Jill/External ATS
Location IconLondon

A pioneering AI startup in London is seeking a Founding AI Engineer to automate competitive intelligence in the pharmaceutical sector. You will design and implement AI systems, collaborating closely with the CTO to drive the product roadmap and devel...Read More>>.

Posted: April 17th, 2026
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Founding AI Engineer — Equity, Finance AI in London

Company IconJack & Jill/External ATS
Location IconLondon

A growing tech startup in London seeks a Founding Engineer to develop AI systems that automate financial workflows. With a unique equity stake, you'll work directly with founders to revolutionize finance processes. Candidates should have 3-5 years in...Read More>>.

Posted: April 17th, 2026
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Founding AI Engineer - Build Trial-Automation Systems

Company IconJack & Jill/External ATS
Location IconLondon

A promising AI startup is seeking a Founding Engineer in London to build and scale AI agents for clinical trial recruitment. This role involves architecting and managing complex systems, driving engineering projects, and collaborating with experts. T...Read More>>.

Posted: April 17th, 2026
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Remote DevOps Tester — AWS, Kubernetes & Test Framework Lead

Company IconCBSbutler Ltd.
Location IconLondon

A recruitment firm is seeking an experienced DevOps Tester for a pivotal role in maintaining critical national infrastructure. This position involves remote work, focusing on developing a test framework and delivering functional and performance tests...Read More>>.

Posted: April 17th, 2026
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Remote UK: Staff Applied AI Engineer for AI-First Impact

Company IconBluefish AI
Location IconLondon

A leading technology firm in the UK is seeking a Staff Applied AI Engineer to enhance AI adoption across teams. This remote role involves driving initiatives to improve developer productivity and operational efficiency while integrating AI into workf...Read More>>.

Posted: April 18th, 2026
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Pre-Construction Manager, EMEA, Design & Construction (D&C), Global Real Estate and Facilities [...]

Company IconAmazon
Location IconLondon

Description The Global Real Estate and Facilities (GREF) team provides real‑estate transaction expertise, business partnering, space & occupancy planning, design and construction, capital investment program management and facility ma...Read More>>.

Posted: April 26th, 2026
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AI Engineer for Real Estate AI—Ship Impactful Features

Company IconFifth Dimension AI
Location IconLondon

A leading AI firm in real estate is seeking an early career AI Engineer to drive feature development and enhance AI tooling practices. This role allows you to ship features multiple times daily, collaborating with seasoned engineers in a dynamic star...Read More>>.

Posted: May 8th, 2026
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Senior Applied AI Engineer - RAG & LLM Solutions

Company IconEY
Location IconCity of Edinburgh

EY is seeking a Senior Consultant – Applied AI Engineer, responsible for delivering AI capabilities and collaborating with stakeholders in a hybrid working environment with possible client travel across the UK. The ideal candidate will have strong...Read More>>.

Posted: May 9th, 2026
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Mission-Critical ML Engineer: Deploy, Monitor & Scale AI

Company IconCareers at MI5, MI6 and GCHQ
Location IconLondon

Careers at MI5, MI6 and GCHQ are seeking a Machine Learning Engineer to join their Central London team. The role involves designing and operating essential machine learning capabilities and collaborating within multidisciplinary teams while promoting...Read More>>.

Posted: May 10th, 2026
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Senior AI/ML Engineer — Lead Large-Scale Model Deployment

Company IconCavendish Professionals
Location Icon

Cavendish Professionals is seeking a Senior AI/ML Engineer in the United Kingdom to lead the development and deployment of advanced machine learning models. The role involves fine-tuning large-scale models, designing distributed AI systems, and devel...Read More>>.

Posted: May 10th, 2026
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Pakistan-Based Vocational Standards Verifier | QA & Centre Support

Company IconPearson
Location IconLondon

Pearson is looking for a Standards Verifier in the United Kingdom, England, Greater London, to ensure the integrity of vocational qualifications. This role involves conducting verification activities, providing expert feedback, and maintaining compli...Read More>>.

Posted: May 10th, 2026
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Senior ML Engineer, AI Platform & MLOps on GCP

Company IconOnsera Health
Location IconLondon

Onsera Health seeks a Senior Machine Learning Engineer to develop the AI infrastructure for a transformative healthcare platform. You will design and implement ML systems, collaborating closely with data science and platform engineering teams. Candid...Read More>>.

Posted: May 10th, 2026
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GenAI ML Engineer — RAG Search & Conversational AI

Company IconSky Ireland Limited
Location IconLondon

Sky Ireland Limited is looking for someone to design and optimize GenAI-powered chatbot and search applications integrated into scalable mobile and TV platforms. Candidates should have extensive experience with machine learning systems, particularly...Read More>>.

Posted: May 10th, 2026
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Senior Penetration Tester - Lead Security Assessments

Company IconFSP Consulting Services Limited
Location Icon

A leading cybersecurity consultancy in the UK is seeking a skilled Senior Penetration Tester to join their Cyber Security practice. The role involves leading penetration testing engagements, providing technical advice on security technologies, and co...Read More>>.

Posted: May 11th, 2026
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AI/ML/LLM Systems Engineer - Enterprise AI Platform Engineer - Relocate To Saudia Arabia

Company Iconaramco
Location IconLondon

This role is based in Saudi Arabia on a permanent, residential basis. Overview We are seeking an AI/ML/LLM Systems Engineer to join our Digital & AI Center of Excellence and contribute to the development of enterprise‑scale AI...Read More>>.

Posted: May 12th, 2026
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Global Media Operations Director — Trafficking & QA

Company IconResponsible Resourcing Agency
Location IconLondon

Responsible Resourcing Agency is seeking a Media Trafficking Expert to lead campaign trafficking across various platforms. The successful candidate will own the execution of advertising operations, ensuring assets and tracking are set up accurately....Read More>>.

Posted: May 15th, 2026
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Senior AI Engineer – UK Remote, Scale AI Pipelines

Company IconInfused Solutions
Location Icon

Infused Solutions is seeking a Senior AI Engineer to work remotely in the UK. This role involves designing, building, and scaling production-grade AI systems and data platforms. The ideal candidate will collaborate with Data Scientists and other engi...Read More>>.

Posted: May 15th, 2026
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Senior Applied AI/ML Engineer, LLM & GenAI Platform

Company IconJ.P. MORGAN
Location IconLondon

J.P. MORGAN seeks an Applied AI ML Senior Associate to contribute to the LLM Suite platform by building AI/ML and agentic capabilities. The role involves designing, building, and troubleshooting software solutions, collaborating with senior engineers...Read More>>.

Posted: May 15th, 2026
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Senior AI Engineer — Build Real‑World AI Agents (Hybrid)

Company IconEnergy Jobline ZR
Location IconLondon

Energy Jobline ZR is seeking an AI Engineer or Senior AI Engineer to join their rapidly growing AI tech scale-up based in London. The role offers a salary between £60k and £100k depending on experience, along with sizeable shares. You will design a...Read More>>.

Posted: May 17th, 2026
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Senior AI Engineer – LLM & RAG Systems Lead

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is seeking a Principal AI Engineer in London, offering up to £150k plus bonuses and benefits. The ideal candidate will build and deploy production-grade LLM systems, develop pipelines, and collaborate with stakeholders to tackle busin...Read More>>.

Posted: May 17th, 2026
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Senior AI/ML Engineer — Remote LLM Training & Evaluation

Company IconProlific Academic Ltd
Location IconNewcastle upon Tyne

Prolific Academic Ltd is looking for AI and Machine Learning Engineers to join their Expert Network in Newcastle upon Tyne. This role involves evaluating LLM architectures, auditing ML code, and providing feedback to improve AI training models. Candi...Read More>>.

Posted: May 17th, 2026
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Senior AI/ML Engineer - LLM Training & Evaluation (Remote)

Company IconProlific Academic Ltd
Location IconGlasgow

Prolific Academic Ltd is looking for AI and Machine Learning Engineers to join its Expert Network. This role involves evaluating AI models and providing feedback to enhance performance. Candidates should hold a relevant degree (BS, MS, or PhD) and po...Read More>>.

Posted: May 17th, 2026
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Senior QA Lead: Open-World, Live Service (UE5)

Company IconJagex: The RuneScape Company
Location IconCambridge

Jagex: The RuneScape Company in Cambridge is looking for a Senior QA Analyst to own the testing process of their open-world multiplayer game, RuneScape: Dragonwilds. You will manage the testing strategy, mentor QA team members, and ensure quality acr...Read More>>.

Posted: May 18th, 2026
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AI QA Lead: Agentic & Responsible AI Testing

Company IconAscendion
Location Icon

Ascendion is looking for an experienced AI Test Manager/Lead based in the United Kingdom. The ideal candidate will have a strong background in testing AI applications, including Agentic AI systems, with a deep understanding of QA methodologies includ...Read More>>.

Posted: May 19th, 2026
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Fundamental Equities AI Engineer: Build AI for Live Markets

Company IconPoint72 Asset Management, L.P
Location IconLondon

Point72 Asset Management, L.P in Greater London seeks a candidate to develop AI products for their Fundamental Equities business. Responsibilities include problem-solving in AI and capital markets, product lifecycle management, and leading developmen...Read More>>.

Posted: May 20th, 2026
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Senior QA Engineer – AI-Driven Testing & CI/CD

Company IconHiveMQ GmbH
Location Icon

HiveMQ GmbH in the United Kingdom is seeking a QA Engineer to spearhead quality assurance efforts as part of the engineering team. Responsibilities include setting up automated testing, reviewing code, and managing CI/CD pipelines.The ideal...Read More>>.

Posted: May 20th, 2026
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Contract Commissioning Engineer (C&I) - FMCG & Automation

Company IconRedline Group - Specialist Recruitment for Technology & Electronics Companies
Location IconSouth Yorkshire

Redline Group is seeking an experienced Contract C & I Engineer based in Yorkshire. This long-term opportunity offers an outside IR35 determination, allowing candidates to operate through their own PSC. Responsibilities include overseeing dry and wet...Read More>>.

Posted: May 20th, 2026
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Machine Learning Engineer – LLM Applications / Banking Sector

Company IconNLP PEOPLE
Location IconSheffield

I am hiring for Machine Learning Engineer – LLM Applications / Banking Sector Location: Sheffield – Hybrid / 3 days Per week in Office Required Skills & Qualifications Strong proficiency in Python and data engin...Read More>>.

Posted: May 21st, 2026
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Senior AI Engineer — Generative AI & MLOps (Hybrid, UK)

Company IconDeerfoot Recruitment Solutions Limited
Location IconLondon

Deerfoot Recruitment Solutions Limited is seeking a Senior AI Engineer – Consulting to design and implement AI/ML solutions. This hybrid role allows working from Glasgow, London, or Manchester with 1–2 days in the office.The successful...Read More>>.

Posted: May 21st, 2026
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Senior QA & Enablement Lead, HealthTech Customer Care

Company IconHeliosX Group
Location Icon

HeliosX Group is hiring a Senior Quality & Enablement Manager to lead L&D and QA initiatives. This role involves transforming frameworks into scalable systems that enhance agent performance and customer experience.The ideal candidate has ov...Read More>>.

Posted: May 21st, 2026
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Lead Electronics Test Engineer — 4-Day Week (Cheshire)

Company IconRedline Group - Specialist Recruitment for Technology & Electronics Companies
Location Icon

Redline Group is seeking a Senior Electronics Test Engineer based in Cheshire. The role involves developing new test procedures and testing electronic systems across various products. Ideal candidates should have significant hands-on experience in...Read More>>.

Posted: May 21st, 2026
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Data Scientist & ML Engineer — Real-World AI in London

Company IconInformation Tech Consultants
Location IconLondon

Information Tech Consultants is seeking a motivated Data Scientist/Machine Learning Engineer to join our dynamic team in London. This role involves analyzing large datasets, building machine learning models, and collaborating with teams to enhance...Read More>>.

Posted: May 22nd, 2026
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SC-Cleared AI Engineer — Defense LLM & ML Pipelines

Company IconiO Associates
Location IconLondon

iO Associates is seeking an AI Engineer for an immediate 6-month contract in Greater London. In this role, you will architect and deploy Large Language Model solutions and Machine Learning pipelines specifically for the defence sector.The r...Read More>>.

Posted: May 22nd, 2026
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Senior ML Engineer - Real-Time Personalization at Scale

Company IconNLP PEOPLE
Location IconEssex

A leading media company in the UK is looking for a Senior Machine Learning Engineer to enhance their personalized recommendation systems. The candidate will work closely with data scientists, engineers, and product managers to develop efficient solut...Read More>>.

Posted: May 23rd, 2026
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Lead AI Engineer: Enterprise AI Architect (Equity & Autonomy)

Company IconConquer AI
Location Icon

Conquer AI is seeking a Lead AI Engineer to lead the technical delivery of AI systems for enterprise clients. You will work hands-on to design, build, and guide engineering efforts across various technologies, including Python and Node.js.T...Read More>>.

Posted: May 23rd, 2026
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Senior AI Engineer - Python, LLM, MLOps (Remote/WFH)

Company IconClient Server Ltd.
Location IconLondon

Client Server Ltd. is on the lookout for a Senior AI Engineer specializing in Python LLM MLOps, based in London. This role includes designing autonomous AI systems and deploying large language models, working closely with clients in finance techno...Read More>>.

Posted: May 24th, 2026
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Senior AI Engineer Python LLM - Finance Consultancy

Company IconClient Server Ltd.
Location IconLondon

Senior AI Engineer Python LLM - Finance ConsultancyLondon, Greater London | £75k - £90k per yearSenior AI Engineer (Python LLM MLOps) London / WFH to £90kAre you an experienced Software Engineer with a...Read More>>.

Posted: May 24th, 2026
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