At a Glance
- Tasks: Design and deploy full-stack features including inference pipelines and retrieval systems across AWS and Cloudflare.
- Company: StackOne is a $24M VC-funded AI Integration Gateway backed by GV and Workday Ventures.
- Benefits: Work at the frontier of AI R&D with a world-class engineering team from Google, Microsoft, and Coinbase.
- Other info: Location: London, UK.
- Why this job: Join a high-growth startup scaling a platform that powers thousands of integrations.
- Qualifications: Professional experience with Generative AI and LLMs like GPT or Anthropic; expert in TypeScript and Python.
The predicted salary is between 80000 - 98000 £ per year.
StackOne is a $24M VC-funded AI Integration Gateway backed by GV and Workday Ventures. They provide builders of SaaS platforms and AI Agents with a unified toolkit to orchestrate hundreds of enterprise-grade integrations, combining a real-time architecture with 25,000 pre-mapped actions across 200 connectors.
As an AI Engineer at StackOne, you will build the future of agentic integrations by delivering end-to-end AI products. Reporting to the CTO, you’ll work with AI researchers to develop specialized LLMs for tool‑calling, ensuring precision and reliability in agentic execution while maintaining high-performance inference pipelines and retrieval systems.
Location: London, UK
Why this role is remarkable:
- Work at the frontier of AI R&D, building specialized LLMs designed for tool‑calling and agentic execution rather than just general‑purpose applications.
- Join a high‑growth startup backed by elite investors like GV and Workday Ventures, scaling a platform that already powers thousands of integrations.
- Collaborate with a world‑class veteran engineering team from industry leaders like Google, Microsoft, and Coinbase in a culture built on shipping and ownership.
What You Will Do:
- Design and deploy full‑stack features including inference pipelines, embeddings, and retrieval systems across AWS and Cloudflare.
- Implement cutting‑edge tool‑calling and Model Context Protocol (MCP) patterns to enable one‑click agent integrations with any tool.
- Develop and maintain high‑quality open‑source and internal TypeScript and Python packages to accelerate the developer ecosystem.
The ideal candidate:
- Professional experience shipping production‑grade applications using Generative AI and LLMs like GPT or Anthropic.
- Expert proficiency in TypeScript and Python with a proven track record of building scalable systems on AWS, GCP, or Cloudflare.
- Strong background in full‑stack engineering with experience publishing SDKs, CLIs, or complex packages in a fast‑paced environment.
AI Engineer at StackOne employer: Jack & Jill
StackOne is located in London, UK, and is backed by elite investors like GV and Workday Ventures. The team consists of veterans from industry leaders such as Google and Microsoft, fostering a culture of innovation and ownership.
