101 to 123 of 123 LLM Jobs in the City of London

AI Solutions Architect (Innovation & GenAI) Salary: Up to £120,000 + Benefits Location: Hybrid - 3 days per week onsite in London Working Hours: 40 hours per week A globally established organisation is seeking an AI ...

Role and Responsibilities Act as the Technical Lead, responsible for: Solution Design Produce and own end-to-end architecture for multiple portfolio initiatives. Collaborate with Product Owners, Architects and global development teams to define and ...

help shape the technical direction of the AI platform. You will design and evolve the agentic systems that power this solution - multi-agent orchestration, LLM pipelines, evals, and the cloud infrastructure that runs them. You should be hands-on, opinionated about how AI systems should be built, and excited … workflows and stay current with the field as it moves. Key Responsibilities 1. Agentic AI Systems Design, build, and evolve multi-agent systems and LLM-powered pipelines. You will: Design agent topologies - planner/executor, supervisor/worker, reflection loops, human-in-the-loop Build and extend agents using frameworks ...

help machines better understand and interact with the world. This is an opportunity to work on cutting-edge AI research, building large language model (LLM) agents and solving complex machine learning systems challenges at scale. Responsibilities Carry out cutting-edge research to advance the science and technology of machine learning … following: Machine Learning Recommendation Systems Pattern Recognition Data Mining Artificial Intelligence Experience developing machine learning models at scale, including programmatically querying LLMs and LLM post-training. Strong programming experience in Python . Hands-on experience with PyTorch or similar frameworks. Experience writing software and executing complex experiments involving large ...

customers. You'll: Build and deploy production AI applications and autonomous agents Own projects from system design through to deployment and iteration Work with LLM APIs, agent frameworks and RAG architectures Use modern AI-assisted and agentic development workflows Design scalable, cloud-native systems (AWS) Make architectural decisions and drive … have: 5+ years of commercial software engineering experience A strong engineering background with excellent software design and architecture skills Experience shipping production AI or LLM-powered products in a commercial environment Experience with LLM APIs, orchestration frameworks, AI agents and/or RAG Experience building cloud-native applications (AWS preferred ...

cases to the business in collaboration with the AI LAB, Technical and Business Teams. The Ideal candidate will have good experience of working with LLM, RAG, Machine Learning, Python (Hands on Coding), and experienced of working from prototype to deployment. This role is based in London. This role will … Umbrella. Working in a Hybrid Model of 2-3 days a week on site. Core Accountabilities of Role Design and implement Gen AI (LLM) solutions across Global Markets leveraging on the latest AI technologies (e.g. Large Language Models) and the technical team. Continuously monitor and improve performance and usage ...

cases to the business in collaboration with the AI LAB, Technical and Business Teams. The Ideal candidate will have good experience of working with LLM, RAG, Machine Learning, Python (Hands on Coding), and experienced of working from prototype to deployment. This role is based in London. This role will … Umbrella. Working in a Hybrid Model of 2-3 days a week on site. Core Accountabilities of Role Design and implement Gen AI (LLM) solutions across Global Markets leveraging on the latest AI technologies (e.g. Large Language Models) and the technical team. Continuously monitor and improve performance and usage ...

business. Key Responsibilities: Design, build, and deploy AI and machine learning models for internal and external clients Deliver technical validation of AI models, including LLM and agentic frameworks Contribute to both development and validation workstreams within the AI & Data team Engage directly with clients and stakeholders to understand requirements … expedited; interview process typically 2–3 rounds focused on technical and soft skills Key Skills Required: machine learning, AI, model development, Python, LLM, agentic frameworks, cloud computing, consulting, stakeholder management, model validation. To apply, please submit your CV or contact us for a confidential discussion. ...

business. Key Responsibilities: Design, build, and deploy AI and machine learning models for internal and external clients Deliver technical validation of AI models, including LLM and agentic frameworks Contribute to both development and validation workstreams within the AI & Data team Engage directly with clients and stakeholders to understand requirements … expedited; interview process typically 2–3 rounds focused on technical and soft skills Key Skills Required: machine learning, AI, model development, Python, LLM, agentic frameworks, cloud computing, consulting, stakeholder management, model validation. To apply, please submit your CV or contact us for a confidential discussion. ...

Do you want to build AI products that directly influence lending and credit decisions? Have you built machine learning models in credit risk and want broader ownership? Are you ready to apply LLMs in real ...

Lead Backend Engineer Node.js, TypeScript, PostgreSQL, APIs, Microservices, Docker, Kubernetes, AI/LLM Integration. London, United Kingdom Permanent Role: Competitive Salary + Equity A fast-growing AI startup is looking to hire a Lead Backend Engineer to help build and scale the backend infrastructure powering its next-generation AI operations … maintain scalable backend systems using Node.js and TypeScript Design and build RESTful APIs, microservices, and event-driven architectures Integrate backend services with AI/LLM workflows and automation systems Build reliable data pipelines, background jobs, and operational services Lead backend engineering best practices, code reviews, and technical direction Mentor engineers ...

🚀 Senior Full Stack Engineer (AI & Cloud) – Outside IR35 🚀 📍 London (3 days onsite) 📅 Start: July 💰 Depending on Experience ⏳ 6 Months Initial I'm supporting a leading consultancy who are building a team of Senior Engineers to ...

Investment House| London | Contract Role THE ROLE Design and build core AI platform components for a leading buy-side investor. You'll own the LLM gateway, MCP connector layer, observability tooling, and privacy proxy translating business use cases into governed, production-ready AI systems . WHAT YOU'LL DO Design … maintain LLM gateway, MCP connector layer, observability, and privacy proxy Develop MCP connectors across data sources (M365, Salesforce, Kensho, Moody's, internal systems) Build AI-powered tools and workflows for business teams Integrate Databricks/Unity Catalog as data foundation for AI features Write clear specifications before building; ensure proper ...

generation AI systems at scale. Responsibilities Design, develop and maintain software systems that support AI and machine learning research. Build tools and infrastructure for LLM evaluation, experimentation and agent development. Develop scalable Python applications and workflows for research initiatives. Collaborate closely with researchers, scientists and engineers to turn ideas into … fast-moving, research-driven environment. Desirable Experience MSc or PhD in Computer Science, Machine Learning, Mathematics, Physics or a related discipline. Experience with LLM evaluation, post-training, fine-tuning or agent frameworks. Research engineering or applied science experience. Exposure to recommendation systems, pattern recognition, artificial intelligence or data mining. Experience ...

Tittle - (Software Engineer IV/V) Location - London, UK Contract - 6 + Months Pay Range - £55- £60/hour via PAYE (Inside IR35) About the Role We are looking for Research Engineers who are passionate ...

powered systems. • Work with enterprise databases (SQL-based systems) to ingest, transform, and manage large datasets. • Develop and integrate GenAI capabilities such as LLM-powered workflows, AI assistants, or automation tools. • Design scalable architectures for AI solutions including model deployment and data pipelines. • Build REST APIs and microservices to integrate … experience as a Python developer which atleast the last 3+ years have been on AI/GenAI solutions • GenAI/AI development experience: LLM applications, AI workflows, or AI-enabled automation • Python development: Strong coding and data processing experience • SQL and database experience: Querying, data modeling, and data integration • Backend ...

Python Engineer (AI/LLM Focus) London (Hybrid) | 🚀 Fintech Scale-Up We’re partnering with a fast-growing fintech company in London that’s redefining how financial data is leveraged through cutting-edge AI. They’re now looking for a Python Engineer with strong experience in AI and Large Language … teams to bring AI-driven features into production. What you’ll be doing: Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance ...

Tech Principal | Digital Product Studio 📍 London (Hybrid) ⌚️4 months + Likely Extensions 💰 £110,000 – £130,000 (Pro Rata) 💷 ~£650 per day (Outside IR35) 🏢 FTC OR Contract We’re partnering with an award-winning digital product ...

AI Security Architect, London/Hybrid, 6 months, £700-£750/day (INSIDE IR35) My client, a leading digital consultancy are currently looking to bring on an AI Security Architect to join a large financial ...

AI Security Architect, London/Hybrid, 6 months, £700-£750/day (INSIDE IR35) My client, a leading digital consultancy are currently looking to bring on an AI Security Architect to join a large financial ...

Principal Architect | Enterprise AI | Asset Manager | £200k base + bonus I'm working with a global asset manager who are looking for a Principal Architect to help define how AI is adopted and scaled across ...

Our client is entering a new phase of AI adoption, moving beyond experimentation and isolated use cases to embed AI into the heart of both customer and colleague experiences. As part of this transformation, conversational ...

WE ARE HIRING: FULL STACK ENGINEER ( Next.js + Google Cloud) who we are: fan3 are building a new entertainment ecosystem. A platform that gives artists control and ownership of their data, and puts genuine tickets ...

Data Scientist or Senior Data Scientist (Gen AI) | AI Tech Start-Up | £60k-£100k DOE + Sizeable Shares | London/Hybrid (1 day a week in office) We are excited to be working with a ...

Data Scientist or Senior Data Scientist (Gen AI) | AI Tech Start-Up | £60k-£100k DOE + Sizeable Shares | London/Hybrid (1 day a week in office) We are excited to be working with a ...