Senior Full Stack Developer

Xplanis AG is a leading software provider in the logistics and transportation sector. Our Transport Management System (TMS) X4fleet is a scalable, cutting-edge software platform that forms the digital backbone for many transport operators. As the official partner for the Swiss Road Transport Association ASTAG, Xplanis supports the federal diploma for dispatchers with its X4fleet platform, making it a household name in Switzerland.

To support our continued growth, we are looking for an experienced  Senior Full Stack Developer  to join our development team in Bern. You will play a key role in designing, developing, and enhancing our Transport Management System. Our platform is continuously evolving — we strive to improve both technology and functionality to remain at the forefront of innovation and reliability. You’ll work in a bilingual (English / German) environment, collaborating closely with a motivated team focused on delivering a high-quality, scalable software product to our customers.

Responsibilities

• Take ownership of the  full software development lifecycle  — from analyzing requirements and designing architecture to development, testing, and maintenance.
• Design, develop, and optimize  scalable software solutions and APIs using  C#, .NET Core, MVC , and  JavaScript .
• Collaborate  with cross-functional teams (QA, DevOps, Product Management) to enhance existing applications and build new functionality.
• Produce  high-quality, maintainable code  following best practices, patterns, and standards.
• Troubleshoot and resolve  software defects through root cause analysis and performance optimization.
• Oversee and refactor  existing codebases to improve performance, reliability, and maintainability.
• Contribute to system architecture  and play a key role in defining future technical direction.
• Manage and version source code using  Git  and modern branching strategies.
• Support and enhance  CI / CD pipelines  in  Azure DevOps , including automated testing and security integration.
• Mentor junior developers  and promote best engineering practices within the team.

Requirements

We Offer

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