51 to 75 of 91 LLM Jobs in Central London

Artificial Intelligence Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
multi-year transformation. Following an award-winning data programme, the company now has an established AI function and is investing further in LLM-powered assistants, RAG pipelines, voice/chat intelligence and early agentic workflows across both customer-facing and internal products. This Senior AI Engineer role is a hands … grounded. The role spans the full AI lifecycle, from data preparation and model evaluation through to deployment and optimisation. Key responsibilities • Lead development of LLM and AI proof-of-concepts • Design and implement RAG pipelines and agentic workflows • Define evaluation frameworks for LLM quality and response accuracy • Partner with product ...

Artificial Intelligence Engineer

Hiring Organisation
Digital Waffle
Location
City of London, London, United Kingdom
solving real-world problems with measurable social impact. The Role As a Senior AI Engineer, you’ll design, build and deploy advanced NLP and LLM-based solutions, taking models from research through to production. You’ll work closely with AI, data, MLOps and product teams to translate business and regulatory … role for someone who enjoys owning outcomes, balancing experimentation with real-world delivery. What You’ll Be Doing Designing and developing NLP and LLM-driven solutions for complex, real-world use cases Fine-tuning and adapting foundation models using domain-specific data Building evaluation frameworks, prompt testing tools and data ...

Senior Machine Learning Engineer

Hiring Organisation
Michael Page
Location
City of London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £100000/annum Benefits
Senior Machine Learning Engineer - London Join the analytics team as a Machine Learning Engineer in the insurance industry, where you'll design and implement innovative machine learning solutions. This permanent role in London offers an ...

Senior Machine Learning Engineer

Hiring Organisation
Jack & Jill
Location
City of London, London, United Kingdom
mission-driven startup redefining personalized healthcare. By leveraging rich voice and text data, you will build and fine-tune machine learning models and LLM-integrated APIs. Your work will bridge the gap between cutting-edge AI and human care to empower providers and patients. Location: London, UK or Helsinki, Finland … with significant stock options and the chance to lead R&D efforts. What you will do: Develop and prototype new machine learning systems and LLM applications using unique proprietary healthcare datasets. Fine-tune existing models to optimize performance for specific clinical contexts and secure API integrations. Collaborate with cross-functional ...

Lead / Senior Software Engineer - Java/Python/AWS - 12 Month Contract

Hiring Organisation
Morris Sinclair Recruitment
Location
Central London, West End, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
machine learning, with considerable in-depth knowledge in implementing solutions using AWS. Deep understanding of AI/ML solutions implementation, with emphasis on LLM applications and retrieval-augmented generation. Practical cloud-native experience, specifically with AWS (compute, storage, networking, IAM, KMS, observability). Experience with RAG-based semantic search … LLM inference workflows using OpenAI and Claude models. Expertise in modern SDLC and DevOps: CI/CD (e.g., Jenkins/GitLab), infrastructure as code (e.g., Terraform/CloudFormation), automated testing, and SRE practices. One Team Lead also required to lead the team of 4 who can demonstrate a background ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£53.85 - £61.68 per hour
deploy AI-powered systems that enhance global sales workflows. Build scalable backend services and full-stack applications for internal teams. Architect, implement, and optimize LLM orchestration frameworks and RAG-based solutions. Collaborate with cross-functional teams to define requirements and deliver innovative tools. Ensure reliability, scalability, and performance of distributed … with BigQuery and vector databases (Pinecone, Weaviate, Vertex AI Search). Proven track record in MLOps and deploying ML models at scale. Experience moving LLM-based prototypes into production environments with thousands of users. Background in building internal tooling, CRM enhancements, or sales-tech solutions . Startup/innovation team ...

Lead AI Engineer

Hiring Organisation
Euphoric
Location
City of London, London, United Kingdom
About Euphoric Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out ...

LLM, RAG & Agentic Consulting Engineer - Insurance Sector

Hiring Organisation
Staffworx Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
LLM, RAG & Agentic Consulting Engineer Insurance Sector Remote-first Occasional travel client offices and two trips to London HQ per month Role Overview Lead the design and delivery of AI-native transformation initiatives for insurance clients, spanning agentic systems, retrieval architectures, semantic layers and decision intelligence. This is a senior … Consulting Engineer is a hands-on AI systems builder who combines engineering depth with commercial and product thinking to design, build and deploy LLM- and agent-driven solutions for insurers, brokers and value chain partners. You will work directly with senior insurance stakeholders (Claims, Underwriting, Operations, IT, Risk, Compliance, Actuarial ...

Data Scientist - Global Investment Firm

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
They have built an internal data and technology function to support deal sourcing, due diligence, and portfolio insights, using modern data science and emerging LLM/NLP techniques. The team works closely with senior stakeholders and operates like a lean product and research group within a fast-paced commercial environment. … will work as a generalist Data Scientist, combining strong classical data science foundations with solid Python engineering and familiarity with modern ML/LLM tooling. The role is hands-on and delivery-focused, with opportunities to ship work into production and iterate quickly. Key responsibilities Build and prototype data science ...

Generative BI & Insight Manager

Hiring Organisation
Accenture Song
Location
City of London, London, United Kingdom
Employment Type
Permanent
Generative BI & Insight Manager (CL7) Practice: Data & AI London, Manchester or other UK locations Accenture Song accelerates growth and value for our clients through sustained customer relevance. Our capabilities span ideation to execution: growth, product ...

Artificial Intelligence Engineer

Hiring Organisation
Ascendion
Location
City of London, London, United Kingdom
We are seeking an AI Engineer for a UK-based role that requires occasional travel to our London office . The ideal candidate will have hands-on experience with frameworks such as LangGraph and a ...

AI Software Engineer LLM TypeScript Node

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Software Engineer/Developer (LLM TypeScript Node API) London/WFH to £100k Are you a senior technologist with experience of putting LLMs into production? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market … days holiday Impactful role with excellent career growth Remote working Apply now to find out more about this AI Software Engineer/Developer (LLM TypeScript Node API) opportunity. ...

AI Engineer

Hiring Organisation
Solve Intelligence
Location
City of London, London, United Kingdom
Python Skills: Deep experience building and shipping AI solutions. Production Experience: A history of shipping algorithms and/or evaluation pipelines into live environments. LLM Mastery: Practical experience with prompt engineering and modern LLM architectures. Technical Versatility: Familiarity with the full stack (Postgres, TypeScript, React). Clear Communication: Ability ...

Principal AI Engineer

Hiring Organisation
iDPP
Location
Central London, London, United Kingdom
Employment Type
Permanent
Generative AI across the entire business. This team will build the platforms, infrastructure and tooling that unlock AI-driven productivityfrom multi-agent workflows to LLM observability, MCP integrations and enterprise-grade GenAI systems. We are hiring both Senior/Lead Software Engineers and Principal Software Engineers to help shape … generation AI platform. What Youll Do (All Levels) Design, build and scale foundational GenAI platform capabilities, including: AI gateways Python & TypeScript SDKs RAG pipelines LLM frameworks Vector database integrations MCP capabilities and agentic tooling Develop reusable automation and workflow components used across the organisation. Partner with engineering teams to define ...

Founding Engineer

Hiring Organisation
Squirrel
Location
City of London, London, United Kingdom
Squirrel is partnering with a fast-growing, well-funded startup at the forefront of automating Finance Operations. They are building Computer Agents that automate repetitive Finance workflows, allowing organisations to streamline processes without changing their ...

Artificial Intelligence Engineer

Hiring Organisation
Space Executive
Location
City of London, London, United Kingdom
🚀 AI Engineer – Mid-Level to Senior | London | Series-Funded AI Scale-Up 🚀 Are you ready to build the future of enterprise AI? Join one of Europe’s most exciting AI companies, a Series-funded, high ...

Audit Data Analytics Manager

Hiring Organisation
Vitality Corporate Services Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
About The Role Team Group Internal Audit Working Pattern - Hybrid 2days per week in either the Vitality London or Bournemouth offices.Full time hours. Top 3 skills needed for this role: Expertise in delivering data analytics ...

Software Engineer Lead

Hiring Organisation
Advancing People
Location
West End, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum Plus Equity
commutable distance of London (1 hour). This is a great hands-on coding role where you will be leading and challenging, whilst integrating LLM/AI into a B2B workflow solution. More Detail: Build, Code, and Lead in a High-Velocity AI Startup Location: UK, greater London area (Hybrid …/CD, Code Reviews, QA) that speed us up, not slow them down. AI Integration: Lead the engineering side of integrating AI/LLM components into a robust SaaS architecture. Build the Engine: Grow the team from its current size to 8 engineers by the end of 2026. You will ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
QA Automation Engineer As a QA Automation Engineer (Associate level) , you will join an elite engineering squad tasked with evolving a sophisticated .NET automation ecosystem. This is a role for a "Quality Developer", someone who ...

Founding AI Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
want to build a predictive AI platform that surfaces opportunities before clients even know they exist? Have you led end-to-end delivery of LLM/RAG/agentic systems in production? Ready to become the technical owner of an intelligence engine at an early-stage startup? A high-growth … ownership, deep technical scope and the chance to define the product from the ground up. The Lead AI Engineer will architect and productionise advanced LLM/RAG systems, design agentic workflows, own evaluations and guardrails, and integrate AI modules into a scalable enterprise-grade platform. You’ll collaborate with domain ...

Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations ...

Reinforcement Learning (RL) control Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent
Reinforcement Learning (RL) Engineer Manipulation London Based (5 days in office) Competitive salary A high-profile robotics organization is urgently seeking a high-caliber RL Engineer (Manipulation) to join their London-based R&D team. ...

Lead Software Engineer

Hiring Organisation
Dex
Location
City of London, Greater London, UK
This role is with one of Dex’s trusted Partner companies. We work closely with their teams to truly understand their culture, goals, and what they’re looking for, so we can match you with ...

FS Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
x3 Founding FS Engineer (Python, NextJS, TypeScript) 👨🏽💻 (AI/LLMs) Salary up to £120k + Equity London - 2/3 days a week Can sponsor candidates already in the UK ✅ Opportunity to join a VC ...

AI Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
AI Engineer - Hardcore Build Role Salary up to £170k + Equity (London, 6-Day Week currently) Building the AI platform that powers insurance claims, helping people get support at life's most critical moments. Forget ...