1 to 25 of 27 Permanent OpenAI Jobs in the City of London

Head of Data Science

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Streamlit, or Gradio, among others. Experience with cloud‐based tools for production use (e.g., AWS SageMaker, AWS Bedrock, Vertex AI, Azure Machine Learning, Azure OpenAI). Knowledge of databases and data technologies, such as Snowflake, BigQuery, and relational databases like SQL. Business acumen: Strong understanding of how to apply data ...

AI Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum
Familiarity with Next.js or Vite Experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Exposure to Retrieval Augmented Generation or AI agents is beneficial Experience with AWS or Azure Docker and containerisation experience, Kubernetes beneficial ...

Senior Product Manager, AI, Data and Digital Services

Hiring Organisation
Acuity Analytics
Location
City of London, London, United Kingdom
Microsoft-aligned propositions for both corporates and financial institutions. Build service offerings that incorporate Microsoft’s AI and cloud technologies (Azure, Azure OpenAI, Databricks, Fabric, Dynamics 365, Microsoft 365 Copilot, etc.) in a way that addresses industry-specific challenges. Develop vertical propositions (e.g. AI-powered research platforms for banking, intelligent ...

AI Architect

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Architect/ML Architect/GenAI Architect Strong expertise in: Generative AI & LLMs, RAG (Retrieval-Augmented Generation), Agentic AI frameworks Hands-on with; LLMs (OpenAI, Llama, Claude, Mistral), Vector DBs (Pinecone, Weaviate, FAISS), Frameworks (LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph) Strong Python + ML frameworks (PyTorch/TensorFlow) Experience deploying ...

Senior Data Analyst

Hiring Organisation
Reveal Media
Location
City of London, London, United Kingdom
operational decision-making Leveraging large language models (LLMs) to enhance data exploration or automation Experience integrating Python analytics with Azure AI services (e.g. Azure OpenAI). Familiarity with modern data platforms (Azure Data Lake, Synapse, Snowflake, lakehouse architectures). Experience with predictive or prescriptive analytics beyond basic forecasting. Exposure ...

Agentic AI Architect – Insurance Domain

Hiring Organisation
MANNING SERVICES LIMITED
Location
City of London, London, United Kingdom
architect with ability to balance strategy + execution Technical skills : GenAI & Agentic Frameworks - Semantic Kernel/LangGraph (or similar orchestration frameworks); LLM integration (Azure OpenAI, OpenAI APIs, etc.); Prompt engineering, prompt lifecycle design Retrieval & RAG - Azure AI Search (indexing, vector search, hybrid search); Embedding pipelines and retrieval optimization; RAG design ...

Application Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure Boards, CI/CD pipelines API Management, OAuth2, JWT, audit logging Unit testing across ...

AI Software Engineer

Hiring Organisation
numi
Location
City of London, London, United Kingdom
scale production systems in AWS cloud environments. Advanced AI Fluency: Deep experience building agentic systems, implementing complex RAG architectures, and chaining multiple LLMs (OpenAI, Anthropic, etc.). You go far beyond basic API wrappers and understand context management, prompt engineering, and model behavior. AI-Assisted Workflow: You already ...

Lead AI Engineer - Media Workflows

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Salary: £90,000–£100,000 base • Bonus: 10% annual bonus • Working model: Hybrid (2 days per week in Soho, London) • Tech stack: Python, Azure, OpenAI APIs, CI/CD, Docker, observability • Visa sponsorship: Cannot currently sponsor Interested? Please apply below. ...

Solution Architect – AI & Intelligent Automation

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
account teams to strengthen competitive positioning 3. Architecture & Solution Design Design scalable AI-enabled automation architectures integrating: Hyperscaler AI services (Azure AI, AWS, GCP, OpenAI, Anthropic) Enterprise platforms (SAP, Oracle, ServiceNow, CRM systems) Data platforms and middleware Define: Agent-based automation models RAG architectures Process orchestration frameworks Human ...

Co-pilot consultant

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
integration and analytics. Exposure to AI/ML enablement in Microsoft ecosystem (e.g., Azure ML/AI Foundry/Azure OpenAI), particularly where analytics feeds AI-powered apps. Experience designing BI/data analytics solutions and enforcing architecture/documentation standards. The Person: Strong technical skills. Experience of delivering client ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm, Infrastructure … Analytics Experience with data analysis using Python (pandas, numpy) Understanding of data pipelines and ETL processes AI/LLM Engineering Experience integrating LLM APIs (OpenAI, Anthropic, Gemini, or open-source equivalents) into production applications Understanding of core LLM concepts: context windows, token limits, temperature, system prompts, and model selection trade ...

AI Platform Engineer

Hiring Organisation
Magnit Global
Location
City of London, London, United Kingdom
platforms and identity solutions (Azure, Oracle, EntraID). Experience developing REST APIs, integrating services, and implementing identity flows (OAuth2, tokens). Experience with Azure OpenAI, OpenAI SDK/models, and applying AI services to real-world use cases. Strong knowledge of IAM, security patterns, governance, and compliance requireme nts. ...

Power Platform Engineer

Hiring Organisation
Edge Tech
Location
City of London, London, United Kingdom
needs into effective technical solutions. Nice to have Experience with Microsoft 365, Dynamics 365 or other enterprise platforms. Exposure to Azure AI services, Azure OpenAI or API-based AI integrations. Experience with AI-assisted workflows or agent-based solutions. Experience in regulated or complex operational environments. SC clearance, or eligibility ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, Greater London, UK
already secured significant early-stage funding, including a $10m Seed round in 2024. The founding team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer ...

AI Engineer Analyst

Hiring Organisation
Cerberus Capital Management
Location
City of London, London, United Kingdom
software engineering, or data engineering. Programming experience (especially Python) Experience writing clean, maintainable Python code. Applied AI experience such as exposure to LLM APIs (OpenAI, Azure OpenAI, Anthropic, etc.) and experience with small personal or internship projects building agents or AI-driven workflows. Agentic frameworks in Python is a plus ...

Lead .NET/JS Developer - Perm - Creative Agency

Hiring Organisation
Lorien Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
influence stakeholders and deliver under pressure Comfortable juggling multiple projects and 'controlled chaos' at pace Nice to have Experience integrating Azure AI Services or OpenAI APIs Python exposure, particularly in AI or data-driven contexts Low-code/no-code tools (e.g. Webflow) for rapid prototyping Client-facing experience presenting ...

Senior Full Stack Engineer - Python/React or Angular

Hiring Organisation
Venator Recruitment
Location
City of London, Greater London, UK
Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress for end-to-end testing Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp and more Our tech culture We follow an agile development process with fortnightly sprints. We keep meetings to a minimum ...

Software Engineer ( Python )

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
LLMs) , including: Utilising both proprietary and open-source models Fine-tuning models to meet specific business use cases Delivering solutions via APIs, such as OpenAI APIs Collaborate closely with product managers, data scientists, and engineering peers to shape technical designs and delivery approaches. Apply strong problem-solving and analytical skills … pipelines. Advanced proficiency in Python and SQL . Practical experience working with large language models , including model fine-tuning and API-based integrations (e.g. OpenAI). Experience in solution and system design , particularly for data-driven and analytical platforms. Solid understanding of core software engineering principles , including version control, automated ...

Senior Data Engineer

Hiring Organisation
Axiom Software Solutions Limited
Location
City of London, London, United Kingdom
Senior Data Engineer – London Insurance Market | London (Hybrid) About the Role We are hiring an experienced Senior Data Engineer to join a high-impact transformation programme focused on modernizing data platforms within the London Insurance ...

Software Engineer

Hiring Organisation
Acceler8 Talent
Location
City of London, London, United Kingdom
Sponsorship + Relocation Join a frontier AI company backed by NVIDIA, building large-scale open-weight foundation models alongside researchers and engineers from DeepMind, OpenAI, Meta, Anthropic, and Google Brain. ⚡ What You’ll Do Optimise GPU performance and training efficiency across 1,000+ GPU clusters Improve utilisation, throughput, and reliability ...

Software Engineer

Hiring Organisation
Acceler8 Talent
Location
City of London, London, United Kingdom
Sponsorship + Relocation Join a frontier AI company backed by NVIDIA, building large-scale open-weight foundation models alongside researchers and engineers from DeepMind, OpenAI, Meta, Anthropic, and Google Brain. ⚡ What You’ll Do Scale and optimise multi-cloud GPU clusters Build tooling for scheduling, remediation, and node health Debug ...

Sales Manager

Hiring Organisation
Pareto
Location
City of London, London, United Kingdom
Manager to build and lead the new business function during a pivotal period of growth. They provide a leading distributed SQL database,trusted by OpenAI, CoreWeave, Netflix, Roblox, and DoorDash for workloads that can't go down. They’ve achieved significant cost-to-serve reductions and are on a path ...

Solution Engineer - AI

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
Ability to assess use case viability and business value Cloud & Technology Experience across at least two of: AWS (Bedrock, SageMaker) Azure (Azure ML, Azure OpenAI) GCP (Vertex AI) OpenAI ecosystem Plus: Understanding of data engineering and big data concepts Awareness of cloud security, scalability, and cost optimisation (FinOps) 🌍 Why This ...

AI Architect

Hiring Organisation
SmartChoice International Limited
Location
City of London, London, United Kingdom
/ML, with recent GenAI/LLM exposure Proven track record designing and implementing AI solutions in enterprise settings Strong knowledge of LLMs, APIs (OpenAI, Azure OpenAI), and data pipelines Experience collaborating cross-functionally with Product and Engineering teams Ability to balance strategic vision with hands-on execution Preferred Experience ...