276 to 300 of 320 OpenAI Jobs in England

Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

Responsibilities Design, develop, and maintain web application features using Next.js and TypeScript Contribute to a monorepo encompassing both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

React, Node + Next.js Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management Implement multi-step LLM workflows using orchestration frameworks such as LangChain. Design and optimize the MySQL database Develop and maintain type-safe More ❯

Experience building and integrating LLM-powered systems, including prompt engineering, embedding models, and custom RAG pipelines Familiar with modern AI toolkits such as LangGraph, Hugging Face Transformers, Vector Database, OpenAI APIs, and similar Comfortable managing backend, frontend, and infrastructure with minimal oversight - you know how to run a build from zero to one Strong grasp of API integrations, secure data More ❯

no-code layer), AWS/GCP optional Requirements: Required 7+ years in full-stack development (strong back-end bias) Experience with: LLM APIs and context/state management (Claude, OpenAI, etc) Workflow engines like n8n or Make Designing secure multi-tenant SaaS products Scaling DBs and infra across real-time chat and long-term memory Nice-to-Have Built or More ❯

no-code layer), AWS/GCP optional Requirements: Required 7+ years in full-stack development (strong back-end bias) Experience with: LLM APIs and context/state management (Claude, OpenAI, etc) Workflow engines like n8n or Make Designing secure multi-tenant SaaS products Scaling DBs and infra across real-time chat and long-term memory Nice-to-Have Built or More ❯

is a must. Proven ability to automate workflows using Python . Practical experience working with landing page generators , especially Webflow and related tools. Familiarity with LLM integration via API (OpenAI, Claude, Mistral, etc.). Comfort with SEO tools like Ahrefs , SimilarWeb , and analytics platforms like Amplitude , Grafana , and ClickHouse . A mindset that balances creativity with analytical rigor , and the More ❯

to software developers of all skill levels. We're commercializing Ray , a popular open-source project that's creating an ecosystem of libraries for scalable machine learning. Companies like OpenAI , Uber , Spotify , Instacart , Cruise , and many more, have Ray in their tech stacks to accelerate the progress of AI applications out into the real world. With Anyscale, we're building More ❯

Conducting evaluations on frontier models and publishing the results either to the general public or a target audience such as AI developers or governments, for example, our work in OpenAI's o1-preview system card . Creating model organisms and demonstrations of behavior related to deceptive alignment, e.g. exploring the influence of goal-directedness on scheming. Applied interpretability work that More ❯

About Ankar Innovation is the key to solving society's greatest challenges, and IP (intellectual property) plays a pivotal role in encouraging, driving, and capitalising on innovation. At Ankar AI, our mission is to empower IP and R&D teams More ❯

About Ankar Innovation is the key to solving society's greatest challenges, and IP (intellectual property) plays a pivotal role in encouraging, driving, and capitalising on innovation. At Ankar AI, our mission is to empower IP and R&D teams More ❯

About Kota Kota is reimagining insurance and retirement benefits for the modern workforce. Through our two flagship products-Kota Platform, the first fully integrated benefits platform, and Kota Embed, our embedded insurance solution-we're making benefits more accessible, valued More ❯

About us At Sierra, we're building a platform to enable every company in the world to build their own autonomous AI agents for everything from customer service to commerce. We are primarily an in-person company based in San More ❯

paced environments and loves shipping real products. 🛠️ Tech Stack Frontend : Vue.js Backend : FastAPI Cloud/DevOps : GCP, GitHub Actions Data : Supabase, Postgres/PostGIS, Vertex Pipelines AI : LLMs (Gemini, OpenAI, Anthropic, etc.) 📍 Location Hybrid: 3+ days/week in London 💼 What You’ll Do Build across the stack with high autonomy and ownership Collaborate with a driven, high-performance team More ❯

paced environments and loves shipping real products. 🛠️ Tech Stack Frontend : Vue.js Backend : FastAPI Cloud/DevOps : GCP, GitHub Actions Data : Supabase, Postgres/PostGIS, Vertex Pipelines AI : LLMs (Gemini, OpenAI, Anthropic, etc.) 📍 Location Hybrid: 3+ days/week in London 💼 What You’ll Do Build across the stack with high autonomy and ownership Collaborate with a driven, high-performance team More ❯

client email campaigns, automation pipelines, and GTM workflows Collaborate deeply with Product, Marketing, and Growth teams to launch new initiatives and A/B experiments Integrate AI models (e.g. OpenAI, Anthropic) for prompting, personalization, and smart automation. Automate everything from lead enrichment to deliverability and campaign optimization Scale systems reliably to support rapid growth and high-volume usage Help set More ❯