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Senior Frontend-Entwickler:in React (w/m/d)

Köln, NORDRHEIN_WESTFALEN🌐 Remote💼 Full-time🗓 2026-08-12 → 2026-09-27

Core

Senior Frontend Developer building and optimizing web applications and user interfaces using React, JavaScript, and TypeScript.

Role type

Senior Frontend Engineer (React)

Builds

Web applications and UI components

Domain

Software Development / Web

Deliverable

product features

Required skills

React, JavaScript, TypeScript, REST, GraphQL, HTML, CSS/SASS/LESS, Selenium, Linux, API integration, debugging, clean coding practices

Preferred skills

GraphQL/Apollo-Client, Redux, Docker, Django, Node.js, Python, SQL databases, antd library

Technologies

React, TypeScript, JavaScript, REST, GraphQL, HTML, CSS, SASS, LESS, Selenium, Linux, Docker, Django, Node.js, Python, SQL, antd

Responsibilities

Discuss UI concepts and technical plans with the development team, analyze and optimize existing applications, implement UI components using React concepts, automate tests and create test scenarios with Selenium, perform bug fixing and error analysis, document application changes

Seniority

Senior, hands-on IC

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