101 to 125 of 133 OpenAI Jobs in London

are looking for a Software Consultant with a Polyglot mindset and has experience working with AI-related technologies. The ideal candidate will have experience engineering around AI platforms, ideally OpenAI Builders, MCP servers, etc and have experience developing proof-of-concept workflows to demonstrate the MCP platform’s capabilities. Skills: Experience in ideally two of the following Typescript, Java, Golang More ❯

across Reinhart’s ecosystem from experimental AI interfaces to public-facing web platforms. -Design and build responsive web apps (React/Next.js/Tailwind) -Integrate AI and automation tools (OpenAI API, LangChain, Make, Zapier) -Help shape and maintain our Figma/Framer design system -Build data-driven frontends with Firebase or Supabase -Prototype fast using no-code tools like Webflow More ❯

across Reinhart’s ecosystem from experimental AI interfaces to public-facing web platforms. -Design and build responsive web apps (React/Next.js/Tailwind) -Integrate AI and automation tools (OpenAI API, LangChain, Make, Zapier) -Help shape and maintain our Figma/Framer design system -Build data-driven frontends with Firebase or Supabase -Prototype fast using no-code tools like Webflow More ❯

on mentorship from senior ML engineers, AI researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities to own projects, lead development, and shape the product roadmap. … the needle. Machine Learning Engineer, LLM Engineer, AI Engineer, Artificial Intelligence, Deep Learning, NLP, Natural Language Processing, Large Language Models, Generative AI, GenAI, Neural Networks, PyTorch, TensorFlow, Hugging Face, OpenAI, LangChain, RAG, Retrieval-Augmented Generation, Python, Data Science, AI Research, MLOps, Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure, Transformers, Reinforcement Learning, Vector More ❯

team members and help shape a high-growth UK startup from day one. Join a world-class team – Work alongside ex-bankers, investors, and AI experts from JP Morgan, OpenAI, Google, Goldman Sachs, Barclays, AWS, and more. Work with real traction – Backed by strong annual revenue, rapid recent growth, and ambitious forecasts ahead. Accelerate your career – Fast pace, high velocity More ❯

team members and help shape a high-growth UK startup from day one. Join a world-class team – Work alongside ex-bankers, investors, and AI experts from JP Morgan, OpenAI, Google, Goldman Sachs, Barclays, AWS, and more. Work with real traction – Backed by strong annual revenue, rapid recent growth, and ambitious forecasts ahead. Accelerate your career – Fast pace, high velocity More ❯

Data Science Engineer - MLOPS, Machine Learning, AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL We are actively working with a global law firm who are actively looking to bolster their IT team as they undergo a global-scale cloud transformation. At present they are looking to take on a new Data Science Engineer (MLOPS, Machine Learning … AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL) to join their team on a permanent basis. this role we be responsible for the design, development and delivery of advanced analytics and AI solutions. This is a fantastic time to join a top-tier global law firm who have a long-stream of projects in the pipeline … alongside a diverse and collaborative team environment. To be considered for this Data Science Engineer (MLOPS, Machine Learning, AI, Artificial Intelligence, Azure, PyTorch, TensorFlow, LangChain, OpenAI, Docker, Kubernetes, GenAI, ETL) role, it's ideal you have: Ideal but not required law firm experience 2-4 years experience within AI/ML positions Knowledge of cloud platforms (Ideally Azure) AI/ More ❯

in tech sales and help shape the future of innovation? Our client is a cutting-edge AI start-up backed by Tier 1 investors and industry leaders from DeepMind, OpenAI, and Datadog. They’re transforming how inventors, scientists, and R&D teams manage intellectual property (IP) — using AI-driven tools that accelerate patent searches, filings, and innovation analysis. This is More ❯

of the fastest growing and innovative AI companies in Europe? Our client is a cutting-edge AI start-up backed by Tier 1 investors and industry leaders from DeepMind, OpenAI, and Datadog. They re transforming how inventors, scientists, and R&D teams manage intellectual property (IP) using AI-driven tools that accelerate patent searches, filings, and innovation analysis. This is More ❯

of the fastest growing and innovative AI companies in Europe?” Our client is a cutting-edge AI start-up backed by Tier 1 investors and industry leaders from DeepMind, OpenAI, and Datadog. They’re transforming how inventors, scientists, and R&D teams manage intellectual property (IP) — using AI-driven tools that accelerate patent searches, filings, and innovation analysis. This is More ❯

of the fastest growing and innovative AI companies in Europe? Our client is a cutting-edge AI start-up backed by Tier 1 investors and industry leaders from DeepMind, OpenAI, and Datadog. Theyre transforming how inventors, scientists, and R&D teams manage intellectual property (IP) using AI-driven tools that accelerate patent searches, filings, and innovation analysis. This is a More ❯

Integration Enable agents to access and reason over content in: SharePoint, OneDrive, Teams, Outlook, and Planner Architect multi-step agent workflows using: Semantic Kernel SDK (C# or Python) Azure OpenAI (GPT-4, function calling, chat completion) Planner and Kernel Memory APIs for reasoning and memory RAG pipelines grounded in enterprise data via Azure AI Search Enterprise Data & AI Services Integration … The successful Microsoft Power Platform/Agentic AI Engineer will have experience in: Copilot Studio, Power Automate, Power Apps, custom connectors SharePoint Development Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel Solid programming skills in Python and/or C# LangChain, AutoGen, or similar orchestration frameworks Azure AI Search, Form Recognizer, and Language Services GitHub Actions, CI/ More ❯

Design and improve retrieval pipelines (embeddings, chunking, hybrid search, ranking, feedback loops), owning schema design, latency, and relevance across vector databases. LLM integration: Connect and orchestrate large language models (OpenAI, Bedrock, etc.), manage prompts, tools, safeguards, and evaluation. Data pipelines: Ingest, clean, and transform structured and unstructured data; design efficient schemas (Postgres/NoSQL) for search and analytics. Frontend (React … leadership skills. Nice to have Experience with rerankers (e.g., cross-encoders), hybrid retrieval (SQL + vectors), query expansion, or lightweight knowledge graphs. Familiarity with LLM evaluation tooling (LangChain, LlamaIndex, OpenAI Evals) and observability for cost, relevance, and latency. Background in B2B data products or fintech. Applicants must be based in the UK with full right to work. More ❯

Role: AI Developer Location: London Duration: 5 Months Day rate: £540 - £585 Umbrella Only Minimum of 5 years UK residency required Role Description: We're looking for an experience AI developer with the skills below. They'll be building out More ❯

. Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills, engaging both technical and business audiences. Proven ability to create More ❯

. Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills, engaging both technical and business audiences. Proven ability to create More ❯

. Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills, engaging both technical and business audiences. Proven ability to create More ❯

across finance, energy, media, and tech. From hedge funds to energy and health-tech, their projects are diverse and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve … guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship high-impact tools, this is the More ❯

across finance, energy, media, and tech. From hedge funds to energy and health-tech, their projects are diverse and technically challenging. With strong client demand and deep partnerships (including OpenAI), the team is scaling fast across the UK, Singapore, and Australia. As a Senior Applied AI Engineer, you’ll take ownership of designing and deploying AI-powered applications that solve … guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship high-impact tools, this is the More ❯

Product and Data Science to spec new capabilities—structured output schemas, prompt templates, embedding-based discovery Experiment & prototype: Build proof-of-concepts for new report types using Python, pandas, OpenAI APIs, and our data pipelines QA & iteration: Test new features, validate AI outputs for accuracy and relevance, ensure quality before launch Operations & Optimization (10%) Monitor report health: Track delivery, engagement … data-driven reporting AI-native experience: Hands-on work building reports or products using LLMs—prompt engineering, structured output generation, embeddings, RAG, summarization pipelines Python proficiency: Comfortable with pandas, OpenAI library, API integrations, and data manipulation for prototyping and analysis SQL fluency: Can write complex queries and understand data modeling Analytics tools: Experience with modern analytics platforms (Looker, Tableau, Mode … first startup revolutionizing how companies understand customer feedback. Our platform consolidates feedback from app reviews, support chats, surveys, and social media into actionable insights. Trusted by brands like Grubhub, OpenAI, Dropbox, Uber, and Careem, we turn messy, multi-channel data into structured intelligence that drives real business decisions. We're backed by top investors including Neo, Sukna, Race Capital, Propeller More ❯

Product and Data Science to spec new capabilities—structured output schemas, prompt templates, embedding-based discovery Experiment & prototype: Build proof-of-concepts for new report types using Python, pandas, OpenAI APIs, and our data pipelines QA & iteration: Test new features, validate AI outputs for accuracy and relevance, ensure quality before launch Operations & Optimization (10%) Monitor report health: Track delivery, engagement … data-driven reporting AI-native experience: Hands-on work building reports or products using LLMs—prompt engineering, structured output generation, embeddings, RAG, summarization pipelines Python proficiency: Comfortable with pandas, OpenAI library, API integrations, and data manipulation for prototyping and analysis SQL fluency: Can write complex queries and understand data modeling Analytics tools: Experience with modern analytics platforms (Looker, Tableau, Mode … first startup revolutionizing how companies understand customer feedback. Our platform consolidates feedback from app reviews, support chats, surveys, and social media into actionable insights. Trusted by brands like Grubhub, OpenAI, Dropbox, Uber, and Careem, we turn messy, multi-channel data into structured intelligence that drives real business decisions. We're backed by top investors including Neo, Sukna, Race Capital, Propeller More ❯

with Microsoft best practices and KPMG’s MBS vision. Collaborating with AI, Application, and Data Engineering teams to design AI-augmented data solutions leveraging Azure ML, AI Foundry, or OpenAI on Azure. Contributing to the Microsoft Partner ecosystem by staying current on new releases, patterns, and certifications across the Microsoft Data and AI stack. Required: 3–6 years’ experience in … analytics integrate with Dynamics 365 (F&O and CE), Power Platform, and Copilot Studio. Exposure to AI technologies in the Microsoft ecosystem (e.g., Azure ML, AI Foundry, Copilot 365, OpenAI Service). Desirable: Working understanding of Azure Data Factory, Azure Databricks and Azure Data Lake. Familiarity with Microsoft Purview. Proven success in a technical/functional Pre-sales role within More ❯

with Microsoft best practices and KPMG’s MBS vision. Collaborating with AI, Application, and Data Engineering teams to design AI-augmented data solutions leveraging Azure ML, AI Foundry, or OpenAI on Azure. Contributing to the Microsoft Partner ecosystem by staying current on new releases, patterns, and certifications across the Microsoft Data and AI stack. Required: 3–6 years’ experience in … analytics integrate with Dynamics 365 (F&O and CE), Power Platform, and Copilot Studio. Exposure to AI technologies in the Microsoft ecosystem (e.g., Azure ML, AI Foundry, Copilot 365, OpenAI Service). Desirable: Working understanding of Azure Data Factory, Azure Databricks and Azure Data Lake. Familiarity with Microsoft Purview. Proven success in a technical/functional Pre-sales role within More ❯

We are partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Full Stack Software Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making More ❯

We are partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Full Stack Software Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making More ❯