251 to 275 of 488 OpenAI Jobs in London

Graduate AI Engineer- PE Firm

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
lightweight UIs). You can show us things you've built. Hands-on curiosity about LLMs: you've built something with a model API (OpenAI, Anthropic, open-weights), even if it's a personal project. Product sense: you care whether people actually use what you build, and you'd rather ...

Graduate AI Engineer- PE Firm-CTO office

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
lightweight UIs). You can show us things you've built. Hands-on curiosity about LLMs: you've built something with a model API (OpenAI, Anthropic, open-weights), even if it's a personal project. Product sense: you care whether people actually use what you build, and you'd rather ...

Consulting Partner London

Location
Greater London, England, United Kingdom
50+ enterprise clients from 5 global locations, we work side‐by‐side with top partners including Databricks, Snowflake, AWS, Microsoft, Google Cloud, Anthropic, and OpenAI to deliver transformative data and AI solutions that drive measurable business impact. The Consulting Partner works alongside sales directors to deepen accounts and open ...

AI & Data Delivery Manager 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 looking for an experienced AI & Data Delivery Manager to lead ...

Technical Product Manager

Location
Greater London, England, United Kingdom
systems. Agents are next, and there will be far more of them. We have raised $20M from top VCs and operators at Plaid, OpenAI, Slack and others, and we are growing 5x YoY. The role You will own one of Kernel’s product areas end-to-end, working directly with ...

Founding Engineer

Location
Greater London, England, United Kingdom
Continuously improve internal AI tooling and platform to unlock new use cases and increase team velocity Our current tech stack: FastAPI · Pydantic · TypeScript · React · OpenAI/Anthropic · Temporal · PostgreSQL · Honeycomb · PlanetScale · Azure You'll Be A Great Fit If... You have 3+ years of professional full-stack engineering experience ...

GTM Engineer

Location
Greater London, England, United Kingdom
hour, not the week Use LLMs inside the workflow: research, personalisation, lead qualification, call note summarisation into CRM fields. Build it with Claude, OpenAI or whatever works, with guard rails so reps trust the output Report on the funnel weekly: contact to meeting, meeting to opportunity, by channel, by campaign ...

Principal Research Scientist (AI Safety)

Location
Greater London, England, United Kingdom
such as CBRN, cybersecurity and international security, for several leading frontier model developers and national safety institutes; notably, our work has been featured in OpenAI’s system card for o1. Our commitment also extends to conducting fundamental technical research on mitigation strategies, with our findings published in peer‐reviewed conferences ...

Principal Research Scientist - AI Safety

Location
Greater London, England, United Kingdom
such as CBRN, cybersecurity and international security, for several leading frontier model developers and national safety institutes; notably, our work has been featured in OpenAI's system card for o1. Our commitment also extends to conducting fundamental technical research on mitigation strategies, with our findings published in peer-reviewed conferences ...

Staff Software Engineer

Location
Greater London, England, United Kingdom
experience with enterprise/SaaS web platforms using microservices and micro-frontends, covering performance (Core Web Vitals, rendering, code splitting, CDN), API integration (REST, OpenAI, Bedrock), and service scalability/resilience. Expertise in LLM-powered web system design (state, caching, guardrails, observability) and strong communication skills for mentoring engineers ...

Senior Software Engineer (Full Stack) Humaans

Location
Greater London, England, United Kingdom
most consequential software companies of the last decade: the founders of Slack, Figma, and Shopify, and Asana’s former CRO and Head of OpenAI International. We’re a small team with an unapologetically high bar. It shows up in the product, in how we communicate, and in the standards ...

AI Ops Engineer (Product)

Location
Greater London, England, United Kingdom
systems. Agents are next, and there will be far more of them. We have raised $14M from top VCs and operators at Plaid, OpenAI, Slack and others, and we are growing 5x YoY. The Role We’re looking for an AI Ops Engineer for our product team to build ...

Platform Engineer - Self Hosting LLMs London

Location
Greater London, England, United Kingdom
containers, Kubernetes, networking, storage and distributed-systems fundamentals. GPU observability and performance analysis across engine, system and accelerator metrics. Model formats, quantisation, tokenisation and OpenAI-compatible serving APIs. Traffic management, streaming, overload protection, health checking and failure recovery. Integration with existing identity, authorisation, secrets and workload-isolation systems. Clear technical ...

C# Developer - Equity Derivatives Technology Risk (AVP)

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
.Net 5+Understanding of .Net performance analysis and optimization approaches.Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents.Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLSDemonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing.Broad technical experience with ...

Software Engineering Lead, Multimodal AI Products

Location
Greater London, England, United Kingdom
applying multimodal (audio, image) AI in content production or generation workflows Hands-on experience building AI and agent-powered features using frontier models from OpenAI, Google, and others beyond text generation use cases to include multimodal (image, audio) generation Direct experience refining product requirements in collaboration with a product owner ...

Research Scientist (Control)

Location
Greater London, England, United Kingdom
also work on control and monitoring research (see our scalable monitoring agenda). We work closely with many frontier AI companies, such as OpenAI, Anthropic, Google, Meta, Thinking Machines and others, e.g. to test their models and collaborate on the science of scheming. At Apollo, we aim for a culture ...

Founding Legal Operations Lead

Location
Greater London, England, United Kingdom
angels, VCs, and founders. We administer over $750m in assets, covering investments from pre-seed to series E. This includes household names like ElevenLabs, OpenAI, SpaceX, xAI, Anduril, etc. but also new companies creating everything from synthetic brains to small nuclear reactors. Why we're hiring We are automating ...

Operations Engineer

Location
Greater London, England, United Kingdom
angels, VCs, and founders. We administer over $750m in assets, covering investments from pre-seed to series E. This includes household names like ElevenLabs, OpenAI, SpaceX, xAI, Anduril, etc. but also new companies creating everything from synthetic brains to small nuclear reactors. Why we're hiring We are automating ...

Senior, AI Product Manager (Tech Transfer & Strategy)

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
familiarity with good practice regulations (GxP) and data-governance constraints. Prior experience as an AI product manager at an AI-native company (Anthropic, Palantir, OpenAI, or similar) or at a hyperscaler. Education Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience. Master's degree in Computer Science ...

Senior Applied AI Engineer (Manager) TC

Location
Royal Borough of Greenwich, England, United Kingdom
clients need technical leaders who can architect, govern and operate AI at scale. EY’s engineering‐led approach — and our collaboration with Microsoft/OpenAI via Azure OpenAI Service — positions our teams to deliver safe, reliable solutions embedded in enterprise environments. You will guide squads and shape architectures to meet ...

Senior Consultant - Agentic AI / Generative AI

Location
Greater London, England, United Kingdom
Pydantic, Celery, Django Channels, Flask, RESTful APIs.* Databases & Storage: PostgreSQL, MS SQL Server, MongoDB, Firestore, BigQuery, Azure Blob Storage.* Cloud & DevOps: Azure (App Services, OpenAI, AKS), GCP (Vertex AI, Cloud Run), Docker, GitHub Actions, Azure DevOps, RBAC and Cost Controls.* Software Engineering: Clean Code (SOLID, DRY), DDD, modular architecture … code quality tools. · AI Engineering (Desirable): RAG pipelines, agentic workflows, MCP, LLM integration (OpenAI, Gemini or other models from Huggingface), LangSmith, TruLens.* Agentic Frameworks (Desirable): LangChain, CrewAI, Autogen, OpenAI Agents, Google ADK.## **WHAT YOU'LL LOVE ABOUT WORKING HERE**We’re a fantastic team of bright, ambitious people who love ...

CGEMJP - AI Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
grounding. AI Quality & Assurance: Implement evaluation frameworks, automated testing, guardrails and techniques to mitigate hallucinations. Azure AI Engineering: Build and deploy solutions using Azure OpenAI, Azure AI Search, Azure AI Foundry and associated cloud services. Production Engineering: Design reliable applications with robust error handling, retries, recovery, observability, security and performance … chunking and semantic/hybrid search. Experience with LLM evaluation, testing, grounding, guardrails and hallucination mitigation. Hands-on Azure AI experience, ideally including Azure OpenAI, Azure AI Search, Azure AI Foundry, Cosmos DB, Redis, Azure Monitor/Application Insights, Managed Identity and Key Vault. A solid software engineering mindset, with ...

CGEMJP00360221 - AI Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per day + inside ir35
grounding. AI Quality & Assurance: Implement evaluation frameworks, automated testing, guardrails and techniques to mitigate hallucinations. Azure AI Engineering: Build and deploy solutions using Azure OpenAI, Azure AI Search, Azure AI Foundry and associated cloud services. Production Engineering: Design reliable applications with robust error handling, retries, recovery, observability, security and performance … chunking and semantic/hybrid search. Experience with LLM evaluation, testing, grounding, guardrails and hallucination mitigation. Hands-on Azure AI experience, ideally including Azure OpenAI, Azure AI Search, Azure AI Foundry, Cosmos DB, Redis, Azure Monitor/Application Insights, Managed Identity and Key Vault. A solid software engineering mindset, with ...

Senior, Forward Deployed Engineer (Physical AI & Self-Driving Labs)

Hiring Organisation
GSK
Location
London, UK
Employment Type
Full-time
then handing the proven solution off to the Sr. Solutions Engineer for scale-up. The pattern is proven by AI-native companies — Anthropic, Palantir, OpenAI — and this role brings that model to GSK.This specific role sites in the Chemical Manufacturing & Control (CMC) area. This is the GSK function that turns … Databricks AI Assistant) as the primary mode of development. Preferred ExperiencePrior experience as a Forward Deployed Engineer at an AI-native company (Anthropic, Palantir, OpenAI, or similar), or as a Customer Engineer/Solutions Architect at a hyperscaler. Experience in regulated industries (pharma, healthcare, financial services) and familiarity with good ...

Senior, Forward Deployed / Full Stack Engineer (Document Authoring & Knowledge Systems)

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
then handing the proven solution off to the Sr. Solutions Engineer for scale-up. The pattern is proven by AI-native companies - Anthropic, Palantir, OpenAI - and this role brings that model to GSK. This specific role sites in the Chemical Manufacturing & Control (CMC) area. This is the GSK function that … Assistant) as the primary mode of development. Preferred Experience Prior experience as a Forward Deployed Engineer at an AI-native company (Anthropic, Palantir, OpenAI, or similar), or as a Customer Engineer/Solutions Architect at a hyperscaler. Experience with regulatory filing documents (e.g. Common Technical Document (CTD) CMC sections ...