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catkin GmbH

Senior Software Developer

catkin GmbH

Senior Software Developer at catkin GmbH, developing logistics solutions with modern technologies and workflows for reputable transport companies.

Posted 6/13/2026full-timeDortmund • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies
ASP.NETBootstrapJavaScript.NETSOAP

About the role

Key responsibilities & impact
  • You analyze and advise on the technical requirements of our customers
  • You develop interfaces within our software solutions
  • You analyze and develop software
  • You plan technical (sub-)projects and implement them independently and as part of a team
  • You develop automated and manual system tests for front-end and back-end, ensuring a high quality of the solutions
  • You contribute your expertise both in the development of software solutions and in interactions with our customers
  • You document your code and other deliverables
  • You work closely with colleagues from Sales

Requirements

What you’ll need
  • Experience in software development and system architecture
  • Strong knowledge of C#, .NET Core, ASP.NET MVC, JavaScript, HTML5, Bootstrap
  • Confident working with Git and DevOps practices
  • Experience with APIs (SOAP, REST)
  • Interest in IT security and modern solutions
  • Plus: experience with automation (e.g., n8n)
  • Hands-on experience in technical projects

Benefits

Comp & perks
  • A challenging and varied role
  • Contributing to the further development of our modern products for an exciting and dynamic industry
  • A great team at an innovative, well-positioned software company
  • Short decision-making processes
  • Flexible working hours and remote work/home office when it suits you
  • Attractive compensation and opportunities for personal and professional development
  • Company bike (JobRad), excellent public transport connections, and an inspiring work environment at Dortmund's Phoenixsee

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Hard Skills & Tools
C#.NET CoreASP.NET MVCJavaScriptHTML5BootstrapAPIsSOAPRESTautomation
Soft Skills
analytical skillsteamworkcommunicationcustomer interactiondocumentation