301 to 325 of 498 LLM Jobs in the UK

AI Research Engineer (LLM Python) London/WFH to £95k Do you have experience with Machine Learning, AI research and Python engineering? You could be progressing your career at a 'Tech for Good' start-up that is using AI models to help people focus on healthy living to extend their life, making personalised health risk assessments and connecting people with … to join a scaling 'Tech for Good' start-up in an influential role with excellent career growth opportunities Apply now to find out more about this AI Research Engineer (LLM Python) opportunity. Ref: PR/100233/A/KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

AI Research Engineer (LLM Python) London/WFH to £95k Do you have experience with Machine Learning, AI research and Python engineering? You could be progressing your career at a "Tech for Good" start-up that is using AI models to help people focus on healthy living to extend their life, making personalised health risk assessments and connecting people with … to join a scaling "Tech for Good" start-up in an influential role with excellent career growth opportunities Apply now to find out more about this AI Research Engineer (LLM Python) opportunity. Ref: PR/100233/A/KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯

Our client is a rapidly expanding London-based company that is transforming cloud services, with a particular emphasis on AI and large language model (LLM) training. Their marketplace connects AI innovators with cloud service providers, fostering the development of advanced technologies. Having raised $4+ million in seed funding and with Series A funding imminent, we are on an exciting trajectory More ❯

is an award-winning technology company. We use advanced AI to enable scalable efficiency for financial services companies, combining world-leading Natural Language Processing (NLP) and Large Language Model (LLM) expertise with deep financial services domain experience to drive enterprise-wide productivity. Aveni harnesses the power of voice to drive unprecedented efficiency and oversight. We’re using the latest in More ❯

Job Title: Research Assistant – AI Agents & LLM Prototyping Location: London, UK- Hybrid- 3 Days onsite Duration: Until Dec 2025- possible extension Role Overview: We are looking for a Research Assistant with 2+ years of experience in prototyping and testing AI agents or large language models (LLMs). You will design test prompts, experiment with prompt engineering, and debug AI agent … patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills: Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks More ❯

patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills:- Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing More ❯

patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills:- Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing More ❯

patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills:- Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing More ❯

patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills:- Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing More ❯

patterns of large-scale software systems. Basic knowledge of SQL and data analysis is a plus. Experience using source control systems (e.g., Git). Experience in generative AI and LLM research preferred. Essential Skills:- Python programming Generative AI knowledge Understanding of MCP servers and LangChain frameworks About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing More ❯

interact, remember, and behave consistently , You have hands-on experience applying large language models to solve complex, open-ended problems. You excel at designing scalable agent architectures, implementing advanced LLM techniques, and building production-ready systems that can handle the computational demands of large-scale agent simulations , MS in Computer Science, Machine Learning, AI, or related field, or equivalent practical … experience , At least 2 years of industry experience in a commercial, non-research environment working with AI/ML systems , Proven track record of building and deploying LLM-powered applications in production , Deep experience applying large language models to complex, real-world problems , Strong proficiency in Python and ML frameworks (PyTorch, JAX, TensorFlow, Hugging Face Transformers) , Hands-on experience with … advanced LLM techniques: RAG systems, chain-of-thought prompting, agentic tool use, and multi-agent coordination , Experience with distributed systems, cloud platforms, and scalable ML infrastructure , Knowledge of prompt engineering, LLM fine-tuning, and model optimization techniques , Familiarity with vector databases, embedding systems, and retrieval architectures , Experience with real-time systems and low-latency inference , Knowledge of memory systems and More ❯

vector search and advanced profile representation. Innovate with LLMs: Create and deploy AI agents and systems with immediate product impact - from basic automated data tagging, to advanced features like LLM-based evaluation judges, all the way to experimental ideas such as synthetic personas. Drive Technical Strategy: Provide technical leadership and mentorship on the practical application of AI/LLM techniques … defining best practices for everything from prompt engineering to fine-tuning and RAG. Ensure Reliability: Implement and own LLM observability and evaluation systems to ensure our AI features are reliable, performant, and continuously improving. Collaborate Cross-Functionally: Work closely with data scientists, platform engineers, and research teams to build cohesive, end-to-end solutions that push the boundaries of human … experience in ML frameworks (e.g., PyTorch, TensorFlow, Hugging Face) and a strong grasp of the underlying theory behind the models and techniques you use. Bonus Points: Experience with modern LLM orchestration frameworks (e.g., LangChain, LlamaIndex, DSPy, LangGraph). Experience in agentic system design and tool calling (Adk, A2A, MCP, etc ) Prior work on human-in-the-loop systems, data annotation More ❯

in office/London/Rate Paye Inside IR 35 42.79 -53 AN HOUR Research assistant with 2+ years of experience prototyping and testing AI agents and/or LLM models. Responsibilities: Create test prompts for AI agent. Experiment with different prompt formulations to steer AI Agent towards ideal behavior. Implement and debug AI agent tool calls in a python … hands-on experience with AI agent frameworks such as Model Context Protocol. LangChain. Exposure to architectural patterns of large scale software applications. Preferred: Direct experience in generative AI and LLM research. More ❯

in office/London/Rate Paye Inside IR 35 42.79 -53 AN HOUR Research assistant with 2+ years of experience prototyping and testing AI agents and/or LLM models. Responsibilities: Create test prompts for AI agent. Experiment with different prompt formulations to steer AI Agent towards ideal behavior. Implement and debug AI agent tool calls in a python … hands-on experience with AI agent frameworks such as Model Context Protocol. LangChain. Exposure to architectural patterns of large scale software applications. Preferred: Direct experience in generative AI and LLM research. More ❯

in office/London/Rate Paye Inside IR 35 42.79 -53 AN HOUR Research assistant with 2+ years of experience prototyping and testing AI agents and/or LLM models. Responsibilities: Create test prompts for AI agent. Experiment with different prompt formulations to steer AI Agent towards ideal behavior. Implement and debug AI agent tool calls in a python … hands-on experience with AI agent frameworks such as Model Context Protocol. LangChain. Exposure to architectural patterns of large scale software applications. Preferred: Direct experience in generative AI and LLM research. More ❯

in office/London/Rate Paye Inside IR 35 42.79 -53 AN HOUR Research assistant with 2+ years of experience prototyping and testing AI agents and/or LLM models. Responsibilities: Create test prompts for AI agent. Experiment with different prompt formulations to steer AI Agent towards ideal behavior. Implement and debug AI agent tool calls in a python … hands-on experience with AI agent frameworks such as Model Context Protocol. LangChain. Exposure to architectural patterns of large scale software applications. Preferred: Direct experience in generative AI and LLM research. More ❯

in office/London/Rate Paye Inside IR 35 42.79 -53 AN HOUR Research assistant with 2+ years of experience prototyping and testing AI agents and/or LLM models. Responsibilities: Create test prompts for AI agent. Experiment with different prompt formulations to steer AI Agent towards ideal behavior. Implement and debug AI agent tool calls in a python … hands-on experience with AI agent frameworks such as Model Context Protocol. LangChain. Exposure to architectural patterns of large scale software applications. Preferred: Direct experience in generative AI and LLM research. More ❯

our customers. What you'll be doing Model Development: design, train, and evaluate end-to-end ML models - from preprocessing to deployment - working with text, vision, and tabular data. LLM & AI Systems: build and refine applications leveraging large language models, prompt engineering, and agentic frameworks to solve real-world business problems. Production Code: write clean, maintainable Python for AI/… existing approaches. Collaboration: work closely with product, data, and engineering teams to deliver high-impact, customer-facing features. What you'll bring 2-5 years' experience delivering ML or LLM-powered features to production, from data prep and model training to deployment and iteration. Strong Python skills for AI/ML applications - clean, well-tested code, version control best practice … and smooth integration with back-end systems. Hands-on experience with gradient-boosted models (e.g., XGBoost, LightGBM) and/or building LLM-powered systems (e.g. tool/function calling, prompt design, evals) for text-heavy tasks. Solid data skills: SQL, pandas, experiment tracking, and cloud deployment (AWS a plus). A passion for AI/ML, shown through personal projects More ❯

across the business, starting with tools to support verification teams in extracting and reasoning over complex documents. This is a hands-on engineering role with a strong focus on LLM-based systems and clean, production-grade Python development. Responsibilities: Build rapid MVPs and evolve them into production-ready services. Develop and maintain shared Python libraries with strong architecture, testing, and … CI/CD standards. Design and deploy LLM-based extraction, RAG, and agent workflows across large document sets. Work closely with both technical and non-technical stakeholders. Required: Expert in Python coding Solid grounding in software engineering best practices: CI/CD, automated testing, observability. Experience with multi-modal AI (e.g. layout understanding, VLMs, agentic workflows). Comfortable prototyping quickly More ❯

across the business, starting with tools to support verification teams in extracting and reasoning over complex documents. This is a hands-on engineering role with a strong focus on LLM-based systems and clean, production-grade Python development. Responsibilities: Build rapid MVPs and evolve them into production-ready services. Develop and maintain shared Python libraries with strong architecture, testing, and … CI/CD standards. Design and deploy LLM-based extraction, RAG, and agent workflows across large document sets. Work closely with both technical and non-technical stakeholders. Required: Expert in Python coding Solid grounding in software engineering best practices: CI/CD, automated testing, observability. Experience with multi-modal AI (e.g. layout understanding, VLMs, agentic workflows). Comfortable prototyping quickly More ❯

Role Description The AI Safety Institute research unit is looking for exceptionally motivated and talented people to join its Safeguard Analysis Team. Interventions that secure a system from abuse by bad actors will grow in importance as AI systems become More ❯

Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we're transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the More ❯

AI Engineer - Data Science Hybrid | London, England | Engineering Overview The Explore Group are partnered with one of our Tier 1 clients to secure AI Engineers with strong data science expertise who are eager to develop and deliver innovative AI solutions More ❯

AI Engineer - Data Science Hybrid | London, England | Engineering Overview The Explore Group are partnered with one of our Tier 1 clients to secure AI Engineers with strong data science expertise who are eager to develop and deliver innovative AI solutions More ❯

AI Engineer - Data Science Hybrid | London, England | Engineering Overview The Explore Group are partnered with one of our Tier 1 clients to secure AI Engineers with strong data science expertise who are eager to develop and deliver innovative AI solutions More ❯