Product Engineer

Cavendish Professionals; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Equity

Job summary

Cavendish Professionals is seeking a Product Engineer who loves Windows and building high-quality desktop apps in a fast-paced, product-driven environment. You’ll own end-to-end Windows features, improve usability, and optimize performance across the stack (React, TypeScript, Node.js).

This London-based onsite role includes a competitive salary plus equity, with relocation support for candidates moving to London.

Qualifications

• Strong experience with TypeScript, Node.js and React.
• Proven background building desktop apps on Windows.
• Experience with Windows APIs and system-level integrations.
• Experience in product-focused or tech-driven environments.
• Hands-on builder mindset with strong ownership.

Responsibilities

• Own end-to-end development of user-facing features on Windows.
• Take full ownership of the Windows experience, improving usability and performance.
• Optimise application speed, scalability, and reliability.
• Work across the stack (React, TypeScript, Node.js + Windows integrations).
• Build and enhance desktop applications (Electron experience beneficial).
• Collaborate with product, design, and engineering teams.
• Engage with users to understand problems and shape solutions.

Skills

TypeScript

React

Node.js

Windows desktop apps

Ownership

Tools

Electron

Job description

We’re hiring a Product Engineer who’s passionate about Windows and building high-quality desktop apps in a fast-paced, product-driven environment.

What you’ll be doing:

• Own end-to-end development of user-facing features on Windows
• Take full ownership of the Windows experience, continuously improving usability and performance
• Optimise application speed, scalability, and reliability
• Work across the stack (React, TypeScript, Node.js + Windows integrations)
• Build and enhance desktop applications (Electron experience highly beneficial)
• Collaborate closely with product, design, and engineering teams
• Engage with users to understand problems and shape solutions

What we’re looking for:

• Strong experience with TypeScript, Node.js, and React
• Proven background building desktop applications on Windows
• Comfortable working with Windows APIs and system-level integrations
• Experience in product-focused or tech-driven environments
• A hands‑on builder mindset with strong ownership

About you:

• You use Windows as your primary OS
• You thrive in fast‑paced, startup‑style environments
• You’re comfortable with evolving priorities and ambiguity
• You enjoy working closely with a team in an onsite setting
• You value working with pragmatic, ambitious, and collaborative people

Additional Information

• London-based role with primarily in‑office working
• Competitive salary + Equity on offer
• Relocation support available for candidates moving to London from within the UK

This is an onsite role in London, offering the chance to have real ownership and impact on a growing product.