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Product Engineer (Fullstack)

Cavendish Professionals · London Area, United Kingdom

Full Stack Engineering

About this role

The Product Engineer (Fullstack) will be responsible for designing, building, and shipping new product features from concept to production. The role involves creating AI-powered workflows using the latest LLM technologies and developing real-time collaboration features. You will work closely with Product, Design, and AI teams to engage in rapid 0-to-1 product development and experimentation. The technical environment consists of TypeScript, React.js, Node.js, PostgreSQL, AWS, Terraform, Tailwind CSS, Framer Motion, and Radix UI. This position is ideal for engineers who enjoy solving difficult technical challenges at scale in a fast-paced startup environment.

Skills & technologies

Nice to have

Read full description

Product Engineer (Fullstack) | London | AI Startup


I am working with one of Europe's fastest-growing AI startups who are seeking a Product Engineer (Fullstack).


Already trusted by some of the world's most innovative technology companies, they are now scaling rapidly following significant investment and are looking for engineers who enjoy solving difficult technical challenges at scale.


This is not a role where you will spend months maintaining legacy systems. You will own features end-to-end, work directly with users, and help build one of the most exciting AI products on the market.


What you'll be working on:


As a Product Engineer (Fullstack), you'll be responsible for designing, building and shipping new product features that deliver real value to users.


  • Building new user-facing features from concept to production
  • Creating AI-powered workflows using the latest LLM technologies
  • Developing real-time collaboration features
  • Rapid 0-to-1 product development and experimentation
  • Optimising application performance, reliability and scalability
  • Working closely with Product, Design and AI teams to solve real customer problems


Tech Stack

  • TypeScript
  • React.js
  • Node.js
  • PostgreSQL
  • AWS
  • Terraform
  • Tailwind CSS
  • Framer Motion
  • Radix UI


An interest in AI and LLM-powered products is highly desirable, although previous AI experience isn't essential.


You'll likely have experience with:

✔ Building full stack applications in modern JavaScript/TypeScript environments

✔ React and Node.js

✔ Cloud infrastructure (AWS)

✔ PostgreSQL or other relational databases

✔ Shipping products in fast-paced startup or product-led environments

✔ Collaborating closely with designers and product managers

✔ Taking ownership from idea through to production


If you are interested, please click ‘Apply’ to submit an up-to-date copy of your CV.


Cavendish (Recruitment) Professionals Ltd is proud to be an equal opportunities employer, and we believe that inclusion starts with the applicant. All qualified candidates will be considered for employment regardless of gender, race, age, sexual orientation, religion or belief.

Ready to apply?Apply now

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