Senior Fullstack Developer #11290

Project overview

For our client in the energy industry, we are looking for an experienced

Senior Fullstack Developer* #11290

Period: asap - 31.12.2026

Project details

Onsite hours (in Quickborn): 10, Offsite hours: 400

What we offer

What we offer you!

Variety and security – in plain terms: You benefit from our market expertise and the stable, long-term relationships with our clients in Germany and across Europe. We have national and international projects for you. Of course, in renowned companies and technologically demanding industries. Fair contract terms and a fast, unbureaucratic way of working are a matter of course for us.

These responsibilities are yours

As part of the MOIN project, short-term consulting is sought to analyze, fix, and test the existing security vulnerabilities of two applications. This tender aims to support the existing team until the end of the year to establish the applications on a stable code and package base.

Fixing security vulnerabilities in two web applications

Work organization

What you bring

Location / Industry

Quickborn - Energy

This is us

We are a European IT solutions provider. Our goal: Through tailor-made IT services, we support our clients in becoming more efficient. We rely on state-of-the-art technologies and customized solutions. Very important: Highest quality on an equal footing – we always work in a partnership-based and respectful manner with our clients and within the team. The result – we operate internationally but have remained down-to-earth! As a family business with over 9,000 employees in 17 European countries, we combine global reach with family values.

If our job advertisement sparks your interest, just get in touch. We look forward to hearing from you! One last quick note about the mandatory asterisk (*): We are looking for P-E-O-P-L-E – your strengths and your personality count. Everything else is great if it makes you happy. We have been living diversity and equal opportunities for a long time, that's nothing new for us.

Come as you are!

• Serverless ReactJS web applications with MySQL DB
• JavaScript Code Library
• DPKG, OpenSSL, lib, curl, python, perl-base
• Performing package updates and tests
• Fullstack
• Listing in two security tools for independent processing
• Task packages in Gitlab tickets
• Provision via Kanban board
• DevOps environment
• Experience in TypeScript/JavaScript
• Experience with common frontend frameworks (e.g., ReactJS, VueJS, Angular)
• Excellent software design, problem-solving, and debugging skills for potential troubleshooting
• Technical skills related to the Microsoft Azure technology stack (e.g., Azure Functions)
• Familiarity with CI/CD pipelines
• Start: asap
• Location: Quickborn, DE
• Languages: German