Job Title: Senior Software Engineer / Senior Frontend, Backend, or Fullstack Developer

Location: DÜSSELDORF, FRANKFURT, GERMANY-WIDE

Job Type: Full-time

Contract Length: Permanent position

A leading specialist in consulting, planning, deployment, and managed services within the network sector. We focus on multi-layered transport and communication solutions for mobile and fixed networks, software-defined networks, and digital cloud-based application development, with a particular emphasis on the telecommunications and media industries.

If you're ready to take your career to the next level and play a pivotal role in transforming IT systems for some of the world’s largest customers, we want to hear from you!

Are you passionate about cutting-edge technology and eager to make a significant impact on the IT systems of major telecommunications and media companies? If so, we are seeking talented and motivated developers to join our team and contribute to the transformation of complex IT systems in one of the most dynamic industries.

Senior Software Engineer / Frontend, Backend, Fullstack Developer - Key Responsibilities:

Play a key role in supporting and executing customer projects, driving the successful implementation of software solutions.
Utilise your skills in modern technologies to work on frontend, backend, or full-stack development.
Contribute to designing and optimizing software architectures, as well as improving development processes.
Collaborate with an agile team to take projects from conceptualization to final delivery.
Provide expert advice to our customers, ensuring their needs are met with innovative solutions.
Proactively identify challenges, communicate potential solutions, and share your knowledge with your team.
Continuously explore new technologies and seek the best solutions for complex technical issues.

Senior Software Engineer / Frontend, Backend, Fullstack Developer - Experience and Qualifications Required:

A degree in (business) informatics, mathematics, or a related field from a German University with 2.5 or below
5 years of experience as a software developer/software engineer
In-depth experience in software development, with expertise in either frontend, backend, or full-stack technologies.
Proficiency in at least one of the following programming languages: Java/Kotlin (Spring), Python, Golang, C#, TypeScript/JavaScript.
Strong communication skills in both German and English.
Willingness to travel throughout Germany as needed.

Interviews: May 2025

Start Date: September 2025 latest

How to Apply:

Apply to Richard Waithe at X4 Technology to learn more about the role or connect with me on LinkedIn to hear about regular job updates available with X4 Technology

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