1 to 25 of 100 Permanent OpenAI Jobs in the UK

AI Architect/AI Engineer

Hiring Organisation
K&K Talents
Location
Slough, Berkshire, UK
Employment Type
Full-time
engineering, RAG pipelines, Supervised/unsupervised Model tuning, MLOps/LLMOps pipelines, and AI observability Experience in Enterprise-grade RAG-based solutions with LLMs (OpenAI, Hugging Face, LLaMA, etc.) and vector databases (Pinecone, Weaviate, FAISS etc.). Experience in architecting and scaling GenAI chatbots Experience in Agentic AI solutions. Good ...

AI Engineer

Hiring Organisation
Cerberus Capital Management
Location
City of London, London, United Kingdom
also valuable), containerization (Docker, Kubernetes), and infrastructure-as-code tools like Terraform. Applied AI development: Experience working with LLM APIs (e.g., OpenAI) and building lightweight AI agents. Familiarity with orchestration tools like Temporal is a plus. Collaboration and impact: Strong problem-solving ability, intellectual curiosity, and a pragmatic approach ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
United Kingdom
Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft Bot Framework, Dialogflow, or similar conversational-AI platforms. Deep understanding of prompt engineering and fine-tuning ...

AI Prompt Engineering Consultant

Hiring Organisation
Staffworx
Location
London, England, United Kingdom
workflows with tool calling, memory systems, retrieval pipelines and structured reasoning. GenAI Application Engineering Integrate LLMs into applications using LangChain, LlamaIndex, Haystack, AutoGen and OpenAI s Assistant API patterns. Build high-performance RAG pipelines using: hybrid search, reranking, embedding optimization, chunking strategies and evaluation harnesses. Develop APIs, microservices and serverless ...

AI Architect

Hiring Organisation
Tata Consultancy Services
Location
London, UK
Employment Type
Full-time
engineering, RAG pipelines, Supervised/unsupervised Model tuning, MLOps/LLMOps pipelines, and AI observability. Experience in Enterprise-grade RAG-based solutions with LLMs (OpenAI, Hugging Face, LLaMA, etc.) and vector databases (Pinecone, Weaviate, FAISS, etc.). Ability to design enterprise-level AI/Gen AI platform/solutions with ...

Data Science Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
development of AI/ML solutions. * MLOps practices: CI/CD, model monitoring, retraining. * Use of open-source and enterprise tools (LangChain, Azure OpenAI, Databricks). * Generative AI features: embeddings, RAG, AI agents. * Clean, testable code with modern engineering practices. * Align with enterprise architecture and governance. * Collaborate with architects ...

Agentic AI Engineer - Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, UK
Employment Type
Full-time
Python. Experience with API development using FastAPI, Flask, or Django. Knowledge of Docker and containerized deployments. Hands-on experience with LLM models such as OpenAI GPTs, Claude, Gemini, LLaMA, or Mistral. Expertise in applying prompt engineering techniques to improve model performance and reliability. Experience in implementing robust evaluation frameworks ...

GenAI Architect

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
such as LangChain, LlamaIndex, etc and productionizing machine learning and AI models. Language Model Development: Utilize off-the-shelf LLM services, such as Azure OpenAI, to integrate LLM capabilities into applications. Cloud Computing Expertise: Proven architect kind of experience in cloud computing, particularly with Azure Cloud Services. Technical Proficiency: Strong ...

AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
applications, RAG pipelines, and model fine-tuning , solving real business problems. About the Role Design, implement, and fine-tune LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models) Build and optimize RAG pipelines , vector databases, and prompt engineering strategies Develop AI-powered applications integrating LLMs with APIs ...

AI TECHNOLOGY CONSULTANT

Hiring Organisation
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Location
London Area, United Kingdom
/DL models, databases, ETL, and data pipelines. Experience with cloud (AWS/Azure/GCP) and MLOps. Expertise in generative AI & LLMs (OpenAI, Hugging Face, LangChain, vectors). Exceptional communicator and client‐facing collaborator. Preferred: Advanced degrees or relevant certifications. Experience with agentic AI tools and governance principles. Leadership ...

GenAI Full Stack Developer (SC Cleared/Eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Build microservices with Python (FastAPI) or TypeScript (Express) . Create front-end solutions using React, TypeScript , and modern frameworks like Next.js . Integrate LLMs (OpenAI, Anthropic, Mistral) and vector databases (ChromaDB, Pinecone). Deploy solutions on AWS/Azure using Docker, Kubernetes, and Terraform. Implement CI/CD pipelines ...

GenAI Full Stack Developer SC Cleared/Eligible

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £88,000 per annum, OTE
Build microservices with Python (FastAPI) or TypeScript (Express) . Create front-end solutions using React, TypeScript , and modern frameworks like Next.js . Integrate LLMs (OpenAI, Anthropic, Mistral) and vector databases (ChromaDB, Pinecone). Deploy solutions on AWS/Azure using Docker, Kubernetes, and Terraform. Implement CI/CD pipelines ...

Artificial Intelligence Engineer

Hiring Organisation
MBN Solutions
Location
Scotland, United Kingdom
problem-solving skills. Experience in AI solution integration and API development (REST, GraphQL). Hands-on experience with Azure cloud services, including Azure OpenAI, AKS, and Azure Container Apps. Strong knowledge of SQL and NoSQL databases (Azure Cosmos DB, PostgreSQL) and cloud storage. Familiarity with microservices, event-driven architecture ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

Data Science Engineer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £86,000 per annum
base salary Hybrid working with three days in the London office Work with advanced AI platforms including Azure ML, Azure OpenAI, Databricks, MLflow and LangChain Global exposure and the opportunity to work with senior stakeholders across time zones A collaborative, supportive culture that encourages innovation and professional development What ...

Generative AI Consultant Engineer

Hiring Organisation
83data
Location
London, UK
Employment Type
Full-time
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

Generative AI Engineer

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

AI Engineer

Hiring Organisation
Cognizant
Location
London, UK
Employment Type
Full-time
knowledge rapidly and accurately. Responsibilities: Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API. Design prompt templates and implement retrieval strategies to increase answer precision and factuality. Assist in creating data pipelines for training and testing, including annotation ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...

AI Lead

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
tune LLMs, and integrate AI capabilities across platforms. About the Role Lead the design, implementation, and fine-tuning of LLMs and generative AI solutions (OpenAI, Anthropic Claude, Gemini, open-source models). Build and optimize RAG pipelines , vector databases, and prompt engineering strategies. Develop AI-powered applications integrating LLMs with ...

Junior Engineer

Hiring Organisation
Steadrock Capital Limited
Location
London, England, United Kingdom
learn fast Experience with FastAPI, Flask or similar Basic networking knowledge (ports, tunnels, proxies) SQL or NoSQL experience Git disciplinePreferred Experience with LLM APIs (OpenAI, Anthropic, DeepSeek, Qwen) Exposure to Docker or Kubernetes Familiarity with cloud providers (AWS/Azure/GCP) Coursework or experience in ML, transformers ...

AI Lead Engineer

Hiring Organisation
Tata Consultancy Services
Location
Warrington, Cheshire, UK
Employment Type
Full-time
Java) Extensive experience with AI/ML frameworks like TensorFlow, PyTorch, and scikit-learn Knowledge of AI concepts such as Vertex AI, Gemini, Azure OpenAI, and Cloud Vision Solid understanding of data structures, algorithms, and statistical methods Excellent problem-solving and analytical skills Strong communication and leadership abilities Proven experience ...

GenAI Full Stack Developer (SC Eligible)

Hiring Organisation
Stealth iT Consulting
Location
Maidstone, Kent, UK
Employment Type
Full-time
tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency in AWS or Azure for hosting and deployment. Containerization and Orchestration: Hands-on experience ...