Central London / West End, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 ❯
Ashton-Under-Lyne, Greater Manchester, United Kingdom Hybrid / WFH Options
Oliver Bernard
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 ❯
TypeScript, React and Node Contribute to and optimise their monorepo, which includes both B2B SaaS platforms and AI/LLM modules. Integrate and fine-tune commercially available LLMs (e.g., OpenAI, Gemini) through prompt engineering and inference pipeline management. Implement multi-step LLM workflows using orchestration frameworks like LangChain. Design, optimise, and manage database architecture using MySQL. Develop and maintain type 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 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
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 ❯
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 ❯
Key Responsibilities: Develop and maintain web applications using TypeScript, React, Node and Next.js. Contribute to a monorepo encompassing B2B SaaS and AI modules. Integrate Large Language Models (LLMs) like OpenAI and Gemini through prompt engineering. Design multi-step AI workflows using LangChain. Optimise MySQL databases for performance and scalability. Build type-safe RPC endpoints with tRPC and TypeScript. Requirements: Experience More ❯
and ship fast. Set the groundwork for future hires and engineering culture. 💡 Tech Stack Frontend & Backend: Next.js, Node.js Infrastructure: MongoDB Atlas, Heroku Tools: Auth0, AWS S3, WebSockets AI & Voice: OpenAI, Twilio, ElevenLabs 👀 About You Senior full-stack engineer with startup experience. Strong architectural instincts and scalable systems know-how. Clean, maintainable coding style with performance in mind. Comfortable wearing multiple More ❯
London, England, United Kingdom Hybrid / WFH Options
Fruition Group
and ship fast. Set the groundwork for future hires and engineering culture. Tech Stack Frontend & Backend: Next.js, Node.js Infrastructure: MongoDB Atlas, Heroku Tools: Auth0, AWS S3, WebSockets AI & Voice: OpenAI, Twilio, ElevenLabs About You Senior full-stack engineer with startup experience. Strong architectural instincts and scalable systems know-how. Clean, maintainable coding style with performance in mind. Comfortable wearing multiple More ❯
TypeScript, React and Node Contribute to and optimise their monorepo, which includes both B2B SaaS platforms and AI/LLM modules. Integrate and fine-tune commercially available LLMs (e.g., OpenAI, Gemini) through prompt engineering and inference pipeline management. Implement multi-step LLM workflows using orchestration frameworks like LangChain. Design, optimise, and manage database architecture using MySQL. Develop and maintain type More ❯
about writing code that solves problems for customers. A strong sense of the need to balance speed with code quality. Experience building on AI models such as Vertex AI, OpenAI, or Llama (not required). Experience building integrations either via an IPaaS or directly, ideally with accounting & project management tools. We recognize that you may feel that you need to More ❯
London, England, United Kingdom Hybrid / WFH Options
Eutopia Solutions
ai-powered insights, conversation-based documentation, and lookup assistants Build & run prompt evaluation frameworks and create feedback loops ✅ What You Bring Experience working with LLMs and prompt design (ideally OpenAI or similar) An understanding of structured data (SQL, JSON, CSV) and unstructured text (PDFs, documents, form data). Exposure to RAG architectures and vector stores (such as FAISS, Pinecone.....). More ❯
ai-powered insights, conversation-based documentation, and lookup assistants Build & run prompt evaluation frameworks and create feedback loops ✅ What You Bring Experience working with LLMs and prompt design (ideally OpenAI or similar) An understanding of structured data (SQL, JSON, CSV) and unstructured text (PDFs, documents, form data). Exposure to RAG architectures and vector stores (such as FAISS, Pinecone.....). More ❯
