Chrome Extension Developer (mfd)

Marketingexperten.de; Leipzig; Vor Ort; EUR 40.000 - 60.000; Vollzeit

Zusammenfassung

A software development company in Leipzig is seeking an experienced Chrome Extension Developer to design, build, and maintain high-performance browser extensions. The ideal candidate has strong expertise in JavaScript and TypeScript, with a proven track record of developing Chrome Extensions using Manifest V3. Responsibilities include developing UI components, optimizing performance, and collaborating closely on technical decisions. This role offers competitive payment and opportunities for long-term collaboration.

Leistungen

Work on real products with paying users

Clear technical ownership

Fast decision-making

Modern tech stack

Competitive payment based on experience

Qualifikationen

• Strong experience with JavaScript and TypeScript.
• Proven experience building Chrome Extensions with Manifest V3.
• Solid knowledge of Content Scripts, Background/Service Workers, and Chrome Storage APIs.

Aufgaben

• Develop and maintain modern Chrome extensions.
• Build UI components for browser environments.
• Optimize performance, reliability, and code quality.

Kenntnisse

JavaScript

TypeScript

Chrome Extension APIs

Frontend frameworks (React, Vue)

Clean maintainable code

English or German skills

Jobbeschreibung

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.