1,176 to 1,200 of 2,011 LLM Jobs in London

Applied AI ML Engineer (NLP / LLM and Graphs)

Location
Greater London, England, United Kingdom
Engineering, Mathematics, Operations Research, Optimization, or Data Science; alternatively, an MS with significant industry or research experience in the field Strong background in NLP, LLM, and graph analytics, with hands‐on experience and solid understanding of machine learning and deep learning methods Hands‐on experience building agentic AI or multi … design experiments and training frameworks, and define and evaluate intrinsic and extrinsic model-performance metrics aligned with business goals, focusing on agentic systems and LLM evaluation Experience with big data and scalable model training Strong written and spoken communication skills for communicating technical concepts and results to technical and business ...

Lead Data Scientist - AML Handling

Location
Greater London, England, United Kingdom
intelligence system at the core of our operational handling and prevention work. You'll help automate components of our operational systems, establish robust LLM evaluation pipelines, and build solutions that reduce financial crime risk. What you build will have a direct impact on Wise’s mission and millions … Learning systems; Strong Python knowledge. A big plus for proven familiarity and experience with OOP principles; Knowledge and experience developing and evaluating GenAI/LLM solutions, including automated eval harnesses and prompt engineering; Experience with statistical analysis, experiment design, and failure mode analysis in LLM systems; A strong product mindset ...

AI Product Director

Location
Greater London, England, United Kingdom
surface actionable insights, shape AI‐ready datasets, identify data constraints and quality gaps, and unlock new product features through LLMs and NLP. Deploys LLM and agentic capabilities to improve engineering quality, delivery speed, and operational resilience, covering automated code review, standards enforcement, context‐aware development assistance, copilot‐delivered boilerplates, root … products in financial services. Vendor management experience including build‐versus‐buy analysis and integration strategy for third‐party AI/ML solutions (e.g., LLM providers, copilot platforms, AI orchestration frameworks, or agentic tooling), ideally including evaluating AI‐native vendors at various maturity stages. Familiarity with current AI industry developments, including ...

AI Product Director

Location
Greater London, England, United Kingdom
surface actionable insights, shape AI-ready datasets, identify data constraints and quality gaps, and unlock new product features through LLMs and NLP. Deploys LLM and agentic capabilities to improve engineering quality, delivery speed, and operational resilience, covering automated code review, standards enforcement, context-aware development assistance, copilot-delivered boilerplates, root … products in financial services. Vendor management experience including build-versus-buy analysis and integration strategy for third-party AI/ML solutions (e.g., LLM providers, copilot platforms, AI orchestration frameworks, or agentic tooling), ideally including evaluating AI-native vendors at various maturity stages. Familiarity with current AI industry developments, including ...

Senior Golang Engineers (Gen-AI)

Location
Greater London, England, United Kingdom
operating production services in AWS, GCP or Azure . Solid knowledge of databases, messaging systems and modern cloud infrastructure. Experience with Generative AI/LLM technologies and integrating models into real-world applications. Understanding of concepts such as RAG, embeddings, vector databases, agents or LLM evaluation . Strong software engineering ...

Applied AI ML - Associate/VP

Location
Greater London, England, United Kingdom
We're looking for an Applied AI Scientist with strong machine learning experience to join our AI Technologies team. In this role, you'll help build practical machine learning and generative AI solutions that can ...

Senior AI Engineer, AI Lab

Hiring Organisation
167 Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
small team exploring how generative AI might shape the future of our journalism. This role will focus on building and fine-tuning LLM-powered systems with a particular focus on editorial tone, style transfer, retrieval workflows, and multimodal generation (especially audio). You'll ship products from zero … Experience fine-tuning models for style or persona (e.g. chatbots with specific character voices) Exposure to LangSmith or similar observability tools for prompt/LLM testing Knowledge of voice synthesis, cloning, or emotion conditioning in audio pipelines Previous work in media, journalism, podcasting, or content production contexts Familiarity with multi ...

Engineering AI Engineer (Harness) London — Full time Apply →

Location
Greater London, England, United Kingdom
will serve as the bridge between rigorous data science, statistical validation, and production agent scaffolding. You will design robust evaluation datasets, architect calibrated LLM-as-a-judge pipelines, and build metrics that accurately capture multi-step agent performance under non-deterministic conditions. Your insights and error analyses will directly drive … methods—including hypothesis testing, confidence intervals, bootstrapping, and power analysis—to determine whether performance changes are true system improvements or stochastic noise. Build & Calibrate LLM-as-a-Judge Pipelines: Develop automated judging systems validated against human ground truth. Measure alignment using agreement metrics (Cohen’s kappa, correlation, precision/recall ...

Senior Machine Learning Scientist

Location
Greater London, England, United Kingdom
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through ...

2027 Graduate Analyst

Location
Greater London, England, United Kingdom
Hello there. We’re Zopa. We started our journey back in 2005, building the first ever peer-to‐peer lending company. Fast forward to 2020 and we launched Zopa Bank. A bank that listens to ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission‐critical, yet still run on fragmented data ...

Senior AI Engineer - Legal AI

Location
Greater London, England, United Kingdom
About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission-critical, yet still run on fragmented data ...

Customer Engineer, UK/IE Startups

Location
City of Westminster, England, United Kingdom
Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders;deep expertise in domain. Share Customer Engineer, UK/IE Startups link Copy link Bachelor's degree in Computer Science, Engineering, a related ...

QA Engineer

Location
Greater London, England, United Kingdom
work at the intersection of AI evaluation, software engineering and product quality, building the frameworks, datasets and automated tests that determine whether LLM-powered features are genuinely accurate, reliable and ready for production. You’ll work closely with engineering and product teams to identify where AI systems fail, understand … retrieval systems, including the quality and relevance of retrieved information Experience testing AI agents, tool-calling or multi-step AI workflows Knowledge of different LLM evaluation methodologies, metrics and benchmarking approaches Experience implementing automated AI regression testing within development or CI/CD workflows Experience with human-in-the-loop ...

ai engineer for an AI platform

Location
Greater London, England, United Kingdom
Platform initiative and define how agents are built, integrated and operated across the organisation Design and maintain standardised templates and reference implementations for LLM and Generative AI workflows Implement secure and governed access patterns for LLMs and enterprise tools using APIM, platform gateways, Entra ID, RBAC and managed identities Contribute … systems in real-world environments Strong understanding of the end-to-end AI lifecycle, from experimentation through deployment and operation Practical understanding of production LLM or GenAI runtime concerns, including model access, routing, caching, token usage, cost optimisation and reliability High proficiency in Python and experience building APIs and service ...

Python QA Automation Engineer

Location
Greater London, England, United Kingdom
EPAM’s most transformative projects. Responsibilities Develop automated testing frameworks to validate MCP Servers and related AI systems Design and implement evaluation strategies for LLM accuracy, safety, and reliability Create automated tests using Python, Pytest, and BDD frameworks Build quality gates into CI/CD pipelines to maintain continuous assurance … experience in Python applied to test automation and evaluation Expertise in Pytest and familiarity with BDD frameworks such as Behave or Cucumber Knowledge of LLM evaluation approaches including RAGAS, DeepEval, or custom pipelines Understanding of common agentic AI issues such as hallucination, tool misuse, and performance bottlenecks Familiarity with automated ...

Software Engineer III - AI Engineering

Location
Greater London, England, United Kingdom
Job Description Join us to shape the future of technology through AI and machine learning. You will have the opportunity to deliver projects that make a real difference, collaborate with talented teams, and grow your ...

Full-Stack Engineer - AI Startup (Typescript, Node, React)

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
Senior Full-Stack Engineer - AI Startup (Typescript, Node, React) London - 4 days per week in the office Permanent | £120,000 - £150,000 We're working with an exciting early-stage AI startup building an agentic ...

AI engineer

Location
Greater London, England, United Kingdom
systems that actually behave like they understand it. This isn't a research role. It's a build role. The gap between a great LLM demo and a trustworthy AI doctor is enormous — your job is to close it. You could be responsible for AI agent architecture — design and ship … would trust Data pipelines — ingestion and normalization from labs (Eurofins, Randox), wearables, and third-party partners. Clean data in, reliable inference out Production reliability — LLM endpoints that reason correctly at scale, with observability, evals, and failure modes you've thought through before they happen Medical collaboration — translate complex clinical requirements ...

Forward Deployed AI Engineer

Location
Greater London, England, United Kingdom
workflow integration, and limitations.**Platform contribution & feedback loop*** Build and contribute to AI platform architecture standards, including prompt-engineering patterns, agentic workflow design, and LLM integration guidelines.* Collaborate with the wider technology and AI Platform teams to specify the dependencies analytical solutions require, such as data, development environments, and tooling. … development tools as a core part of your daily workflow.* Daily proficiency with AI coding tools such as Claude or GitHub Copilot.* Hands-on LLM integration experience.* Working knowledge of MCP (Model Context Protocol), REST APIs, and microservices architecture.* Cloud platform experience.* Experience with agentic frameworks such as LangChain, LangGraph ...

Senior Software Engineer, Identity

Location
Greater London, England, United Kingdom
Software is eating the world, but AI is eating software. We live in unprecedented times – AI has the potential to exponentially augment human intelligence. Every person will have a personal tutor, coach, assistant, personal shopper ...

Principal Forward Deployed Engineer

Location
Greater London, England, United Kingdom
Why work for us? A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Our Mission at Janus Henderson is to help clients define and achieve ...

Trainee AI Engineer

Hiring Organisation
ITOL Recruit
Location
Enfield, Middlesex, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £45,000 per annum
Trainee AI Engineer – No Experience Needed Future-proof your career in Artificial Intelligence – starting today. Looking for a career change? Currently employed but want something better? Or maybe you're between jobs and ready for ...