726 to 750 of 2,243 LLM Jobs in London

Lead AI Agentic Architect - Build Scalable LLM Platform

Location
Greater London, England, United Kingdom
Profile Software seeks a Senior AI Agentic Engineer in a hybrid role based in Athens, Greece. You will own product vision and lead the technical architecture for our AI projects, bridging product thinking with scalable ...

Scalable LLM Infrastructure Engineer

Location
Greater London, England, United Kingdom
United States Digital Space LLC is seeking a Software Engineer on the ML Infrastructure team to design and build scalable backend platforms for serving LLMs in research and production contexts. You will collaborate with researchers ...

Staff Applied AI Engineer: Production AI & LLM Systems

Location
Greater London, England, United Kingdom
Aviva seeks a Staff Applied AI Engineer in London and other UK cities to design and deploy production AI agents across customer and internal domains. You'll own architectures, collaborate with product teams, and implement ...

AI Harness Engineer: LLM Judge & Benchmarking

Location
Greater London, England, United Kingdom
Valarian Technologies Limited is seeking an experienced AI Harness Engineer to own the experimental design, evaluation methodologies, and benchmark infrastructure for AI models and autonomous workloads. You will bridge data science, statistical validation, and production ...

Production-Ready AI Native Engineer – Agentic & LLM Systems

Location
Greater London, England, United Kingdom
Accenture is seeking AI Native Software Engineers to design, build and deploy production-grade AI systems in London and Birmingham. Role offers work across Agentic and Applied AI, with scope varying by experience and ownership. ...

Senior QA Engineer for AI & LLM Platforms

Location
Greater London, England, United Kingdom
WRITER in London is seeking a software quality engineer to shape the reliability, performance, and trustworthiness of our AI-powered work orchestration platform. You’ll define rigorous quality strategies for enterprise-grade LLMs and AI ...

Director of Applied AI: NLP/LLM & Graph Analytics

Location
Greater London, England, United Kingdom
A leading financial services firm is seeking an Applied AI ML Director specializing in NLP and LLM. The role involves developing machine learning solutions, collaborating with diverse teams, and driving innovative projects using cutting-edge ...

Platform Lead, MLOps & LLM Infra

Location
Greater London, England, United Kingdom
Anaplan is seeking a hands-on Platform Lead to head our MLOps infrastructure and guide a high-performing DevOps team in London. You will define the AI/ML infrastructure roadmap, automate multi-cloud provisioning ...

Backend Software Engineer Python LLM - Finance

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Backend Software Engineer/Developer (Python LLM MLOps) London/WFH to £90k Are you an experienced Backend Software Engineer with strong Python skills and a good knowledge of AI, LLMs and agentic coding? You could be progressing your career at a global finance technology consultancy, working with clients including … frameworks, Langfuse, Langsmith, MCP (Model Context Protocol), bias mitigation techniques Apply now to find out more about this Backend Software Engineer/Developer (Python LLM MLOps RAG MCP) opportunity. ...

AI Engineering Lead

Location
Greater London, England, United Kingdom
more years of professional software engineering experience. Direct experience putting LLMs, foundation models, or agentic systems into production at scale. Working comfort with the LLM harness layer: token economics, retrieval, evaluation, structured output, large-scale data processing through models. Strong working comfort with Python. Track record of designing systems that ...

Senior Software Engineer, GenAI Platform

Location
Greater London, England, United Kingdom
example, a billion embeddings produced roughly 20× cheaper and visual models served roughly 72% cheaper). We also own core platform surfaces including the LLM Gateway, Agent Gateway, evals infrastructure, guardrails, and cost attribution. About the Role You will join a small, high-leverage team building production infrastructure for Generative … evolve our open-weights serving stack - real-time GPU endpoints, high-throughput batch inference, and fine-tuning (SFT/DPO/LoRA) - alongside the LLM Gateway, Agent Gateway, evals infrastructure, guardrails, and cost attribution. Architect scalable, high-performance systems for model serving, batch inference, GPU autoscaling, and fine-tuning that ...

Staff Software Engineer, AI Reliability Engineering

Location
Greater London, England, United Kingdom
Anthropic offer this kind of dynamic, cross-cutting exposure to the systems that matter most. Responsibilities Develop appropriate Service Level Objectives for large language model serving systems, balancing availability and latency with development velocity. Design and implement monitoring and observability systems across the token path. Assist in the design ...

Member of Technical Staff, Data Flywheel

Location
Greater London, England, United Kingdom
Looking For Degree (BS, MS, or PhD) in Computer Science, Machine Learning, or related discipline, or equivalent practical experience Deep technical understanding of LLM training and evaluation, with hands‐on experience in areas such as evaluation design, data curation, reinforcement learning, or reward design Strong software engineering skills and experience ...

Principal Technical Program Manager, Alexa for Shopping (Rufus)

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
complex technology projects- Experience managing projects across cross functional teams, building sustainable processes and coordinating release schedules- Experience working with agentic AI systems, or LLM-powered applications in productionAmazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting ...

Team Lead — Enterprise AI

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 70 K
ideally, leading or mentoring other product managers.Strong experience owning commercials and pricing strategy for enterprise or SaaS products.Hands-on experience with AI/LLM-based products or enterprise productivity platforms.A solid understanding of enterprise software administration, governance and security.Experience setting product vision and strategy across multiple workstreams and holding them ...

Team Lead — Enterprise AI

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
leading or mentoring other product managers. Strong experience owning commercials and pricing strategy for enterprise or SaaS products. Hands-on experience with AI/LLM-based products or enterprise productivity platforms. A solid understanding of enterprise software administration, governance and security. Experience setting product vision and strategy across multiple workstreams ...

AI Research Scientist | Research & Development

Location
Greater London, England, United Kingdom
benchmark problems pretending to be progress. It's intrinsically end-to-end: spotting problems that matter, specifically where there's an advantage in developing LLM skills, and pushing them through the full development process. You will be working with our traders, figuring out what constraints exist, what data looks like ...

Applied AI Security Engineer

Hiring Organisation
SWIFT
Location
London, UK
Employment Type
Full-time
decisions under scrutiny from AI and Security peers, and document the methodology so it survivesRequired Qualifications/SkillsDemonstrated hands-on experience applying AI/LLM models to real security testing or vulnerability researchStrong software engineering ability: can read, navigate, and reason about large, unfamiliar codebases directly, across multiple languages. Deep ...

Product Manager, Agent Harness & Modelling

Hiring Organisation
Cohere
Location
London, United Kingdom
Salary
£ 70 K
agentic AI systems,, or applied ML productsDeep understanding of agentic harnesses, including the latest paid and open source offerings.Deep understanding of modern LLM agent architectures, including multi-agent systems, tool-augmented reasoning, memory and retrieval, programmatic orchestration, RAG, and long-horizon executionStrong grasp of agentic evaluation design, including ...

AI Revenue Growth Manager London, England, United Kingdom

Location
Greater London, England, United Kingdom
networks, specialist labour pools and AI service capabilities into measurable client outcomes and a predictable, defensible revenue pipeline. The named target landscape includes frontier LLM labs (Anthropic, OpenAI, Google DeepMind, Mistral, Cohere), physical AI and robotics platforms (Wayve, Isomorphic Labs, NVIDIA, Figure, 1X, Skild AI), and adjacent enterprise AI buyers ...

Staff Software Engineer, Google Health Coach

Location
City of Westminster, England, United Kingdom
years of experience testing, and launching software products. 3 years of experience with software design and architecture. Experience integrating generative AI tools or LLM interfaces into workflows. Preferred qualifications: Master’s degree or PhD in Engineering, Computer Science, or a related technical field. 8 years of experience with data structures ...

Applied AI Security Engineer

Location
Greater London, England, United Kingdom
scrutiny from AI and Security peers, and document the methodology so it survives Required Qualifications/Skills Demonstrated hands-on experience applying AI/LLM models to real security testing or vulnerability research Strong software engineering ability: can read, navigate, and reason about large, unfamiliar codebases directly, across multiple languages ...

Senior Product Manager Product • London • Full time • Hybrid £80K – £100K • Offers Equity

Location
Greater London, England, United Kingdom
what families want and how providers sell. Making that usable across Lottie. We think you'll be a great fit if... You’ve shipped LLM-powered products to real users. You’re comfortable in the machinery: speech to text and text to speech, latency budgets, model selection, prompting, tool calling ...

[Expression of Interest] Research Engineer / Scientist, Alignment - London

Location
Greater London, England, United Kingdom
interventions. Run multi‐agent reinforcement learning experiments to test out techniques like AI Debate. Build tooling to efficiently evaluate the effectiveness of novel LLM‐generated jailbreaks. Write scripts and prompts to efficiently produce evaluation questions to test models’ reasoning abilities in safety‐relevant contexts. Contribute ideas, figures, and writing ...

Principal Applied Scientist, Trusted Supply, Amazon Ads (Advertising)

Location
Greater London, England, United Kingdom
Java, C++, Scala) Demonstrated ability to translate ambiguous business problems into well-defined science initiatives with measurable outcomes Preferred Qualifications Experience with GenAI/LLM-based classification systems at production scale Experience in computational advertising, ad tech, content moderation, trust & safety, or fraud/abuse detection Expertise in adversarial machine ...