176 to 200 of 488 OpenAI Jobs in London

Staff AI Engineer

Location
Greater London, England, United Kingdom
intensive, production systems. Familiarity with modern AI engineering techniques such as prompt-engineering, fine-tuning, eval loops, and technologies such as Gemini, Claude and OpenAI APIs. Hands-on experience with AI tools/frameworks (e.g., Braintrust, AutoEval) and/or MLOps tools (e.g., Airflow, MLflow, Vertex AI, or similar). ...

Senior Client Partner - AI Solutions

Location
Greater London, England, United Kingdom
healthcare, financial services, energy, telecommunications, retail or high‐tech. Established relationships within hyperscaler or AI platform partner ecosystems (e.g. Microsoft, AWS, Google Cloud, Anthropic, OpenAI) in the UK or Europe. Experience selling AI, data, cloud, digital engineering, product development or consulting services into enterprise or high‐growth mid‐market clients. ...

AI Engineer Migrations

Location
City of Westminster, England, United Kingdom
mentor others Advantageous skills/experience: Experience with migration or data-transformation tooling Experience with AI platform services (e.g. AWS Bedrock, or the OpenAI or Anthropic APIs) Vector databases/retrieval-based approaches AWS and Cloud Infrastructure MCP Docker/Kubernetes We look for the following SMART values in everyone ...

AI Economics & FinOps Lead

Hiring Organisation
WTW
Location
London, England, United Kingdom
Working knowledge of LLM/GenAI pricing structures (input/output token pricing, context caching, batch vs. real-time discounts) across major providers (Azure OpenAI, Anthropic, etc.) Experience with token usage monitoring or metering tools Familiarity with performance optimisation practices, such as instance rightsizing, workload optimisation, and model inference efficiency. ...

Microsoft Power Platform Delivery Manager

Location
City Of London, England, United Kingdom
alongside Microsoft ATU, STU, or CSU account teams Familiarity with Accenture's Microsoft delivery methodologies including Velocity and mADP Knowledge of Microsoft Fabric, Azure OpenAI, or Microsoft Sentinel in an enterprise context Experience in Financial Services, Insurance, or Public Sector verticals in the UK Required Certifications PL-400: advanced Power ...

Senior Product Engineer

Location
Greater London, England, United Kingdom
infrastructure, backend and frontend technology stacks: We use the latest Ruby on Rails, Turbo, Phlex, AlpineJS, TailwindCSS, AWS, PostgresSQL to name a few technologies OpenAI & Claude for LLM interfacing We are not wedded to them and will rapidly evolve over the next 3-6 months with the right technologies ...

GTM Engineer

Location
Greater London, England, United Kingdom
transform data across Marketo, GA4, GTM, and paid media platforms (Google, LinkedIn, Meta). Applied AI Integration: Proven ability to interface with LLM APIs (OpenAI, Claude, Gemini) using Python/JS for real-time lead enrichment, intent scoring, dynamic personalization, and workflow automation. Revenue Tech Stack: Familiarity with Salesforce (Flows ...

AI Engineer

Hiring Organisation
JCDecaux
Location
London, England, United Kingdom
engineering or advanced analytics.hands-on experience designing, building and deploying Copilot and/or agentic AI solutions (e.g. Microsoft 365 Copilot extensions, Azure OpenAI-based copilots, custom AI assistants/agents).Strong proficiency in Python for AI/ML development, including use of common ML and data libraries (e.g. TensorFlow … experience with LLMs, prompt engineering, RAG and tools/plugins for agents and copilots.Familiarity with cloud platforms (ideally Azure) and AI services (e.g. Azure OpenAI, Azure Machine Learning, or equivalents).Experience working in agile, cross-functional delivery teams.Desired but not essential.... Postgraduate study or certifications in AI, machine learning ...

Microsoft AI Senior Engineer

Location
Greater London, England, United Kingdom
Senior Manager), you will: Lead the design and implementation of Microsoft Azure AI and Generative AI solutions. Develop enterprise solutions using Microsoft Foundry, Azure OpenAI, Azure AI Search, Azure Machine Learning and Azure services. Design and implement RAG, vector search, AI agents and LLM-based applications. Integrate AI solutions with … technology/software engineering experience with strong AI expertise. Proven experience delivering enterprise AI/Generative AI solutions. Strong Microsoft Azure and Azure OpenAI/Microsoft Foundry experience. Hands‐on experience with Python, APIs, RAG, LLMs, vector databases/search and AI agents. Strong understanding of AI security, governance ...

AI Engineer

Location
Greater London, England, United Kingdom
engineering or advanced analytics.* hands-on experience designing, building and deploying Copilot and/or agentic AI solutions (e.g. Microsoft 365 Copilot extensions, Azure OpenAI-based copilots, custom AI assistants/agents).* Strong proficiency in Python for AI/ML development, including use of common ML and data libraries … with LLMs, prompt engineering, RAG and tools/plugins for agents and copilots.* Familiarity with cloud platforms (ideally Azure) and AI services (e.g. Azure OpenAI, Azure Machine Learning, or equivalents).* Experience working in agile, cross-functional delivery teams.**Desired but not essential....*** Postgraduate study or certifications in AI, machine ...

Forward Deployed Engineer - London (Spanish-speaking)

Location
Greater London, England, United Kingdom
About the team OpenAI's Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development. About the role Forward Deployed Engineers (FDEs) lead complex end-to-end deployments of frontier models in production alongside … engineers, product teams, and customer stakeholders Spot risks early and adjust without slowing down Model calm and judgment when the stakes are high About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries ...

Engineering Manager, Guardian

Location
Greater London, England, United Kingdom
extending this foundation into more capable oversight systems that account for richer user context, support a broader range of agent experiences, and integrate across OpenAI products. Guardian sits at the intersection of engineering, alignment research, product, infrastructure, and security. The team already has a strong engineering foundation in London … Have a thoughtful management system for hiring, coaching, performance, and execution. Care deeply about building AI systems that are useful, trustworthy, and safe. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries ...

Software Engineer, ChatGPT Infrastructure

Location
Greater London, England, United Kingdom
Software Engineer, ChatGPT Infrastructure | OpenAI Careers Software Engineer, ChatGPT Infrastructure Applied AI Infrastructure - London, UK About the Team Our London-based team builds the backend systems that help ChatGPT scale reliably. We work on infrastructure close to the product, partnering with engineering teams to improve the performance, resilience, and operability … containerized environments, or observability tools is useful but not required. We welcome candidates from backend engineering, distributed systems, platform engineering, and reliability backgrounds. About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general‐purpose artificial intelligence benefits all of humanity. We push the boundaries ...

Senior AI Engineer Lead - Azure & GenAI

Location
Greater London, England, United Kingdom
Azure-based AI solutions across industries. You will work with latest GenAI tech, collaborate with clients, and drive impact. The role requires strong Azure OpenAI, Foundry, Python, and leadership skills; you will mentor engineers, shape proposals, and contribute to the Data & AI community. #J-18808-Ljbffr ...

Senior Lead Software Engineer — AWS, AI & RAG Workflows

Location
Greater London, England, United Kingdom
team, delivering secure, scalable cloud-based software. You will work in an agile environment to design and implement Python solutions, optimize AI workflows with OpenAI and Claude models, and influence product design and technical operations. A strong background in AWS and cloud-native development is required, with independent work capability. ...

Senior LLM Engineer — Hybrid AI for Vision & NLP

Location
Greater London, England, United Kingdom
robust, scalable ML solutions. This full-time role offers a hybrid work model (3 days in-office, 2 remote). You will work with OpenAI, Anthropic, Gemini, and other APIs, build RAG systems, fine-tune models, and deploy them via CI/CD pipelines using GitHub #J-18808-Ljbffr ...

Solution Architect - Azure / Microsoft 365 / AI & Automation

Location
Greater London, England, United Kingdom
ensure successful delivery Key technology experience: Microsoft Azure Azure Landing Zones Microsoft 365 Entra ID/Azure AD Azure networking Azure AI/Azure OpenAI Microsoft Copilot/Power Platform AI & Automation Terraform GitHub Actions Microsoft Purview Intune Windows Server/Active Directory Hyper-V Cisco networking #J-18808-Ljbffr ...

Senior Python Developer ETrading

Hiring Organisation
Huxley Associates
Location
London, England, United Kingdom
Driven Development (BDD) or similar testing methodologies.Experience implementing AI-enabled software development lifecycles and practical use of modern engineering tools such as Claude Code, OpenAI Codex, or similar AI-assisted development platforms.Preferred ExperiencePostgreSQL and/or Snowflake.Modern Python web frameworks including Django, Flask or FastAPI.Event-driven architectures and streaming technologies ...

AI Software Developer (Python, JavaScript, ML)

Location
Greater London, England, United Kingdom
JavaScript, ideally with hands-on experience in building Gen AI proof of concepts or integrating LLM APIs. Familiarity with AI platforms such as OpenAI, Anthropic, or Databricks. Strong understanding of AI technologies and tools. Experience working within an agile development environment, with an emphasis on collaboration and iterative delivery. Ability ...

Senior Python Developer ETrading

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Development (BDD) or similar testing methodologies. Experience implementing AI-enabled software development lifecycles and practical use of modern engineering tools such as Claude Code , OpenAI Codex , or similar AI-assisted development platforms. Preferred Experience PostgreSQL and/or Snowflake. Modern Python web frameworks including Django, Flask or FastAPI. Event-driven ...

Senior AI Strategy Consultant

Hiring Organisation
XACT PLACEMENTS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
spot high-value opportunities and articulate ROI Solid grounding in modern data platforms, governance, and AI tooling; Microsoft Azure Data & AI experience (Azure OpenAI, Synapse, Fabric) preferred Understanding of GenAI risk, bias, accuracy, and compliance considerations Confident operating in ambiguity - able to shape narratives and design roadmaps from scratch Excellent ...

Cloud Engineering Lead (Azure)

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
measurement. Brownfield remediation or migration of existing Azure estates. Azure Virtual Desktop (AVD)/Windows 365 workspace experience. AI and integration platform services: Azure OpenAI/AI Foundry, API Management, Service Bus, Event Grid. Policy-as-code testing and pipeline security tooling (e.g. PSRule, Checkov, tfsec). FinOps awareness (tagging ...

Energy Trading - Principal Software Engineer London

Location
Greater London, England, United Kingdom
600+ AI experts serving 50+ enterprise clients from 5 global locations, we work side‐by‐side with top partners - including Anthropic, Databricks, AWS, OpenAI, and Microsoft - to deliver modern AI with speed and measurable impact. Overview Indicium AI are seeking an exceptional Principal Software Engineer to lead delivery of exciting ...

Technical Project Manager

Location
Greater London, England, United Kingdom
/DL/NLP/LLM systems in production environments.* Proficiency in Python and modern AI frameworks and tools (e.g. PyTorch, Transformers, Scikit-learn, OpenAI Codex, Claude Code).* Experience with data engineering, APIs, distributed systems, and cloud platforms (Azure/AWS/GCP).* Experience working with structured ...

ML Research Engineer

Location
Greater London, England, United Kingdom
recently raised our Series A funding round, taking our total funding to $70M. Our investors include top funds, founders, and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, Datadog, Sentry, and others We process over 100M+ API calls every month We fine‐tune and train our own LLMs so they ...