Full Stack Developer (Browser Extensions) Secure Tech

Full Stack Developer (Browser Extensions) – Secure Tech:

Role details:

• Type: Permanent.
• Location: Hybrid – London.
• Salary: Market Rate.

Our client is building next-generation Secure Tech — a platform focused on encryption and secure browser-based tools — and is looking for a Full Stack Developer to help scale their browser extension ecosystem.

You’ll work at the intersection of privacy and usability, taking ownership of delivery and playing a lead role in SCRUM processes while contributing to a modern, security-focused codebase.

What you’ll do for Full Stack Developer (Browser Extensions) – Secure Tech:

• Develop and maintain browser extensions for Chrome, Safari, and Firefox.
• Integrate with Gmail APIs, handling MIME formats and OAuth2 authentication.
• Translate Figma design prototypes into fast, secure front-end features.
• Drive agile delivery through SCRUM ceremonies, sprint planning, and retrospectives.
• Contribute across the stack using Node.js (TypeScript) and Go.
• Write automated tests and help improve CI/CD processes.

Tech stack for Full Stack Developer (Browser Extensions) – Secure Tech:

• Go, Node.js (TypeScript).
• React, Chrome/Safari/Firefox Extensions APIs.
• OAuth2, Gmail API, MIME, CI/CD, Git.

What we're looking for Full Stack Developer (Browser Extensions) – Secure Tech:

• 4+ years of full stack development experience.
• Proven experience building and maintaining browser extensions.
• Strong understanding of SCRUM, with experience running agile workflows.
• Familiar with secure communication principles and cryptographic concepts.
• Confident working with REST APIs, Gmail integrations, and secure data formats.
• Any interest in cryptographic or blockchain technology is a bonus.

Join a fast-moving team developing secure tools that put user privacy first. If you're passionate about technology that makes a difference, we want to hear from you.