React Frontend Developer (m/w/d)

ITech Consult AG

Baar

NEU

Online bewerben

17.08.2026
50 - 100%
Fachverantwortung
Freelance

React Frontend Developer (m/w/d)

React Frontend Developer (m/w/d) React · TypeScript · Frontend Development · UI/UX

Project: For the modernization of an existing software product, we are looking for an experienced React Frontend Developer. The existing frontend is functional but technically and visually outdated. As part of the project, the interface will undergo a comprehensive modernization and be enhanced with new frontend-specific features:
We are looking for an experienced React Frontend Developer who can not only maintain and extend existing components, but also fundamentally modernize an existing frontend both technically and visually and independently implement new features.

Responsibilities

Modernize and further develop an existing frontend application using React
Design and implement a modern, state-of-the-art UI/UX
Develop new frontend features and functionalities
Refactor existing components and improve the overall user experience
Integrate the frontend with existing backend systems and data sources
Evaluate and implement suitable interfaces, e.g. APIs or database connections
Work closely with the existing development team
Independently implement development tasks and coordinate with relevant stakeholders

Requirements - Must-Have

At least 3 years of hands-on experience developing modern React applications
Strong knowledge of modern frontend technologies
Experience modernizing and further developing existing frontend applications
Experience integrating frontend applications with backend and/or database systems
Good knowledge of JavaScript/TypeScript
Independent, structured and solution-oriented working style
Ability to quickly familiarize yourself with an existing codebase

Nice-to-Have

Experience with the MERN stack
Knowledge of MongoDB, Express.js and Node.js
Experience with modern UI/UX concepts and design systems
Experience developing or migrating existing legacy frontends

Language:

German: nice to have
English: mandatory B2 oder better

Referenznr: 925161MH
Rolle: React Frontend Developer(m/w/d)
Contract type:Service contract
Region: To be agreed / Remote Europe
Workload:To be agreed
Start: 01.01.2027
Duration: 12 month

If this position has sparked your interest, please submit your complete application dossier via the link in this advertisement. If this position does not fully match your profile and you would like to receive information about other suitable opportunities, you can also send us your dossier via this advertisement or to jobs[at]itcag[dot]com. For further information about our company, our vacancies, or our attractive Payroll-Only Programme, please contact us at +41 41 760 77 01.

About us: ITech Consult is an ISO 9001:2015-certified Swiss company with offices in Germany and Ireland. ITech Consult specializes in the recruitment and placement of IT professionals for project-based assignments. Founded in 1997 by IT professionals, we understand how important professional support is when searching for and working on projects.