1,551 to 1,575 of 2,331 LLM Jobs in London

AI Large Language Model (LLM) Technology Architecture Senior Manager/Associate Director

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
client is a global professional services and technology consultancy. AI Large Language Mode (LLM) Technology Lead/Principal Architect Career Level: Senior Manager/Associate Director YOU ARE As a Lead or Principal AI Architect, you will serve as the definitive technical authority on AI architecture within client engagements ...

Founding Engineer Python API LLM - Start-up

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
Founding Engineer/Developer (Python API LLM) to 115kDo you have advanced Python skills combined with tech start-up experience? You could be progressing your career at a fast growing AI start-up as a Founding Engineer, building technology that is transforming compliance and operational efficiency across … Salary to 115kEquityImpactful role with excellent career growth opportunitiesApply now to find out more about this Founding Engineer/Developer (Python FastAPI LLM) opportunity. ...

Python Full Stack Software Engineer II

Location
Greater London, England, United Kingdom
tools (e.g., GitHub Copilot) to accelerate delivery, improve code quality, and enhance documentation and testing. Collaborate with cross-functional teams to identify opportunities for LLM integration and develop solutions that leverage LLM capabilities. Build intelligent solutions to support MRGR staff activities, including workflow automation and insight generation. Leverages enterprise-authorized … inputs/outputs, and adherence to resiliency and security expectations. Preferred qualifications, capabilities, and skills Experience in working with large data sets. Exposure to LLM integration and deployment in real-world applications. Experience in model risk management or financial services space. J.P. Morgan is a global leader in financial services ...

Enterprise AI Engineer: Build Production LLM Systems

Location
Greater London, England, United Kingdom
Sopsai in Greater London is looking for a Software Engineer specializing in LLM systems to design and implement solutions for global enterprises. Candidates should have 4+ years of experience in software engineering with a strong focus on machine learning systems. You will be responsible for integrating AI into core workflows ...

Natural Language Processing Researcher

Location
Greater London, England, United Kingdom
Natural Language Processing (NLP) Researcher We tackle the most complex problems in quantitative finance, bringing scientific clarity to financial complexity from our London HQ. The role involves working with very large text corpora, applying the ...

AI Product Analyst (AI Metrics & Model Evaluation)

Hiring Organisation
The Portfolio Group
Location
City of London, London, Castle Baynard, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
AI Product Analyst (AI Metrics & Model Evaluation) | London | £80,000-£85,000 Join an award-winning, internationally recognised consultancy that's growing fast and building client-facing, cutting-edge AI products used across highly regulated ...

Senior Product Engineer (AI)

Location
Greater London, England, United Kingdom
backend engineer who’s shipped AI products in the OpenAI & Anthropic era – especially text and data-heavy AI applications. Have hands-on experience with LLM orchestration and LLM API optimization (costs, latency, etc) Are familiar with RAG architectures and technologies Have AI observability experience. AI isn’t just about shipping ...

Research Engineer, Pretraining

Hiring Organisation
Humanloop
Location
London, UK
Employment Type
Full-time
About AnthropicAnthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly ...

Software Engineer — Junior / Mid

Location
Greater London, England, United Kingdom
vendor availability. Event-driven consistency. Services coordinating over Pub/Sub — sagas across offer → contract → tenancy → payment with no distributed transaction to lean on. LLM tool calling, deterministic API calls, and other intra- and inter-service communications all running across the same coordination system. AI harnesses in production. Deploying agentic … into real-world operational settings — acting on real money, tenancies and legal exposure, with the guardrails, observability and correctness that demands. Non-deterministic LLM working within compliant, secure deterministic software. Our stack We build on NestJS + TypeScript on GCP/GKE , with MongoDB , Redis and GCP Pub/ ...

Research Engineer, Pretraining

Location
Greater London, England, United Kingdom
Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing ...

Software Engineer- London

Location
Greater London, England, United Kingdom
About you 3+ years developing production software, including designing, testing, and operating services at scale in a cloud environment. Hands‐on experience with modern LLM providers and tooling (e.g., OpenAI, Anthropic, Hugging Face, vector stores, RAG patterns). Familiarity with prompt design, retrieval‐augmented systems, evaluation methods, and safety/… paced environment where experiments and iteration are the norm. Our stack (AI-leaning) TypeScript/Node.js and Python for AI and backend services. Modern LLM APIs and orchestration libraries for building agentic workflows. Postgres and other managed cloud services for data and state. How we work & values Speed over everything ...

AI Architecture ( Manager )

Location
Greater London, England, United Kingdom
with finance and value leads, including quality, automation and exception rates, control effectiveness, user adoption and cost to serve. Essential experience Production agentic or LLM systems delivered in an enterprise setting, with demonstrable evidence of operation at scale and of issues encountered and resolved, including moving solutions from proof … platform experience on Azure, AWS or GCP, DataBricks, Snowflake, Palantir etc. , including identity, secrets, encryption, deployment, observability and production operations. Hands-on depth in LLM application architecture, including RAG, embeddings and vector or graph retrieval, tool and function calling, structured outputs, orchestration frameworks and model gateways; sufficient engineering fluency ...

Software Engineer (Machine Learning) New UK (London, Manchester, Bath)

Location
Greater London, England, United Kingdom
within weeks, driving the automated blocking and takedowns that disrupt cybercrime at scale. Recent projects include multi-modal embeddings that power classification and search, LLM classifiers, computer vision models for logo detection, and ensemble predictors that combine visual and semantic signals. We keep a close eye on the field … Building, evaluating and tuning the classifiers that decide what gets blocked and taken down. Deploying and operating model serving infrastructure on Kubernetes, including LLM inference (e.g. vLLM). Optimising models for high-volume, low-cost serving. Running experiments against live data, measuring precision, recall and false positive rates, and using ...

Platform Engineer, AI Enablement London, United Kingdom

Location
Greater London, England, United Kingdom
building and operating platforms or infrastructure used by other engineering teams. Hands-on experience with cloud infrastructure, Kubernetes, and infrastructure as code. Familiarity with LLM APIs and the surrounding ecosystem, including model providers, gateways, MCP, agent frameworks, and retrieval-augmented generation. Experience building observability into distributed systems using metrics, tracing … ambiguous, fast-moving environment. Clear communication and documentation skills that enable other teams to self-serve. Desirable skills and experience Experience operating an LLM gateway or model-routing layer in production, including cost controls and budget enforcement. Experience with agent orchestration frameworks or tool-calling protocols such as MCP. Exposure ...

Lead Applied AI Research Scientist

Location
Greater London, England, United Kingdom
property. As an Applied AI Research Scientist – Sr. Associate in the Global Technology Applied Research (GTAR) center, you will drive applied research across the LLM stack, including model training, inference, agentic systems, and evaluation methods. You will build and release practical AI systems for our businesses, provide innovative research solutions … will be central to advancing trustworthy and explainable AI systems within a supportive and innovative team culture. Job Responsibilities: Advance applied research across the LLM stack, including model training, adaptation, inference, and agentic systems. Design, build, and release foundation-model and agentic systems that support high-value business workflows from ...

ai engineer for AI journalism

Location
Greater London, England, United Kingdom
personalisation; Partner with journalists and editors to develop evaluation metrics capturing The Economist's tone and style. Требования 3+ Years of experience building LLM or NLP pipelines; Experience with supervised fine-tuning, prompt tuning, or instruction tuning on proprietary datasets; Strong understanding of fine-tuning paradigms, from … similar observability tools, knowledge of voice synthesis or cloning, experience in media or content production, familiarity with multimodal generation, contributions to open-source LLM tools or libraries, interest in the ethical, editorial, and philosophical questions raised by AI-generated content. Условия Hybrid working pattern with 3+ days of office attendance ...

AI Security Consultant

Hiring Organisation
PA Consulting
Location
London, United Kingdom
Salary
£ 70 K
certifications Role OverviewWe are looking for an AI Security Consultant to help organisations secure the next generation of technology environments, including AI-enabled applications, LLM integrations and agentic systems.This is a cyber security consulting role with an AI focus. You will advise clients on core cyber security risks across cloud … model agentic workflows, design practical controls, and identify where AI can safely improve cyber security operations. This may include supporting secure AI adoption, reviewing LLM-based applications, advising on SOC automation, developing AI security guardrails, and helping organisations use AI to enhance detection, response, reporting and risk management.The right candidate ...

AI-First Engineering Transformation Lead

Location
Greater London, England, United Kingdom
AI-First Engineering Transformation Lead Hammersmith (London), UK, England, United Kingdom Job Description Who Are We Hansen (ASX: HSN) is a global provider of software and services to the communications, media, energy, and utilities industries. ...

AI Security Consultant

Location
Greater London, England, United Kingdom
Role Overview We are looking for an AI Security Consultant to help organisations secure the next generation of technology environments, including AI-enabled applications, LLM integrations and agentic systems. This is a cyber security consulting role with an AI focus. You will advise clients on core cyber security risks across … model agentic workflows, design practical controls, and identify where AI can safely improve cyber security operations. This may include supporting secure AI adoption, reviewing LLM-based applications, advising on SOC automation, developing AI security guardrails, and helping organisations use AI to enhance detection, response, reporting and risk management. The right ...

Managing Consultant - AI Security & Assurance

Location
Greater London, England, United Kingdom
Managing Consultant - AI Security & Assurance Full-time We are PA Consulting, and we are not a traditional consulting firm. We are different in what we do and how we do it. PA Consulting is an ...

Managing Consultant - AI Security & Assurance

Hiring Organisation
PA Consulting
Location
London, United Kingdom
Salary
£ 70 K
Company DescriptionWe are PA Consulting, and we are not a traditional consulting firm. We are different in what we do and how we do it. PA Consulting is an innovation and transformation consultancy, who believes ...

Senior Research Scientist - AI Safety

Hiring Organisation
Faculty
Location
London, UK
Employment Type
Full-time
Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we've worked with over 350 global customers to transform their performance ...

Forward Deployed Engineer, Agentic Platform (UK/Europe)

Hiring Organisation
Cohere
Location
London, UK
Employment Type
Full-time
translate high-value, ambiguous business problems into well-framed agentic workflows with clear success criteria and evaluation methodologiesLead the design, build, and delivery of LLM-powered agents that reason, plan, and act across tools, APIs, and sensitive enterprise data sources, with enterprise-grade reliability and performanceBuild and ship features … agentic applications, including agents that plan and execute multi-step tasks using patterns like ReAct or Plan-and-ExecuteYou're deeply familiar with the LLM stack: frontier models, vector databases, and orchestration frameworksYou have a proven ability to build robust evaluation frameworks, moving well beyond trial and error, to measure ...

Forward Deployed Engineer, Agentic Platform (UK Public Sector)

Hiring Organisation
Cohere
Location
London, UK
Employment Type
Full-time
translate high-value, ambiguous business problems into well-framed agentic workflows with clear success criteria and evaluation methodologiesLead the design, build, and delivery of LLM-powered agents that reason, plan, and act across tools, APIs, and sensitive enterprise data sources, with enterprise-grade reliability and performanceBuild and ship features … agentic applications, including agents that plan and execute multi-step tasks using patterns like ReAct or Plan-and-ExecuteYou're deeply familiar with the LLM stack: frontier models, vector databases, and orchestration frameworksYou have a proven ability to build robust evaluation frameworks, moving well beyond trial and error, to measure ...

AI Engineer

Location
Greater London, England, United Kingdom
About Arondite Arondite enables organisations to wield autonomy, data and AI at scale. We equip operators with the foundational software to orchestrate their mix of platforms and capabilities, and then take mission-critical decisions faster ...