arbeitnow

Chrome Extension Developer (m/f/d) @ Marketingexperten.de

LeipzigRemoteContractPosted 130 days ago

Opens on arbeitnow

About this role

We build specialized Chrome extensions for professional users of AI tools such as ChatGPT.

Our focus is on high-performance, well-architected browser extensions that deliver real productivity value — not experiments or gimmicks.

We are looking for an experienced Chrome Extension Developer who understands how to design, build, and maintain production-ready browser extensions.

Tasks

Develop and maintain modern Chrome extensions Build UI components for browser environments (content scripts, popups, options pages) Work with Chrome Extension APIs (Manifest V3) Integrate external APIs and manage browser storage (local / sync) Optimize performance, reliability, and code quality Prepare and manage releases for the Chrome Web Store Collaborate closely on product and technical decisions (not just ticket execution)

Requirements

Strong experience with JavaScript / TypeScript Proven experience building Chrome Extensions (Manifest V3 required)

Solid knowledge of:

Content Scripts Background / Service Workers Chrome Storage APIs

And

Experience with modern frontend frameworks (React, Vue, or well-structured Vanilla JS) Strong understanding of clean, maintainable code Independent and structured working style Very good English or German skills

Benefits

Work on real products with paying users Clear technical ownership — no agency chaos Fast decision-making and direct communication Modern tech stack Long-term collaboration opportunities Competitive payment based on experience

If you see Chrome extensions as serious software products — not side projects — we would love to hear from you.

Please include links or references to Chrome extensions you have built or contributed to.

Skills

RemoteWeb Development

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