Web Developer / Fullstack JavaScript Engineer (m/f/d) – Next.js & React

Gulp Ag; Augsburg; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

Gulp Ag in Germany seeks a Web Developer / Fullstack JavaScript Engineer (m/f/d) specializing in Next.js and React to work on a project-based permanent role or temporary assignment starting Nov 16, 2026. The role involves building web apps with Next.js and TypeScript, integrating RESTful services, and collaborating in agile teams.

On-site onboarding is preferred, but remote work is possible with some on-site workshops and travel.

Qualifications

• Vocational training as an IT specialist or comparable technical training.
• Expertise in Next.js and TypeScript, REST interfaces, Tailwind, and experience with headless CMS.
• 3+ years of professional experience in Next.js, React, client/server rendering and Server Components.
• Very good German skills (Level C1).

Responsibilities

• Develop and maintain web applications using Next.js and TypeScript.
• Integrate external services via RESTful interfaces.
• Participate in agile SCRUM ceremonies and contribute to technical concepts and PBIs.

Skills

Next.js

React

TypeScript

REST interfaces

Tailwind

Headless CMS

German (C1)

Zod

Auth0

Azure

CI/CD

.NET

Education

IT specialist training or comparable technical training

Tools

Zod

Auth0

Azure

CI/CD tools

.NET knowledge

Job description

For our existing client in the energy sector, we are seeking a Web Developer / Fullstack JavaScript Engineer (m/f/d) – Next.js & React – for a project-based permanent position or temporary assignment starting November 16, 2026. Our client is the technological powerhouse behind one of the leading energy suppliers in Southern Germany. Here, you will build the digital foundation for the energy supply of tomorrow. Start: November 16, 2026 End: March 19, 2027 Workload: 38 hours/week (a reduced workload of 19 hours/week is possible until December 31) Location: Remote work is possible. On-site presence is desirable for initial familiarization and onboarding. Occasional participation in on-site workshops is required. Willingness to travel is necessary. Development and maintenance of web applications based on Next.js and TypeScript; integration of external services with RESTful interfaces; active participation in all regular meetings within agile working methods (via Scrum); independent implementation of individual PBIs (after training); collaboration in the development of technical concepts and the shaping of PBIs

• Vocational training as an IT specialist, or comparable technical training
• Expertise in Next.js and Typescript, REST interfaces, Tailwind , experience with headless CMS
• 3+ years of professional experience in development with Next.js, client and server rendering, and React Server Components
• very good German skills (Level C1)
• Nice to have: Experience with Zod, Auth0, experience with design systems, Azure, CI/CD, .NET knowledge