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Twinner© Group is offering this position at one of our locations:

  • Leipzig
  • Halle (Saale) or
  • Budapest 

Twinner brings trust and peace of mind to the automotive industry. We power safe and transparent car transactions around the world by making the true value of a car easily accessible to everyone. To accomplish this mission, we are searching for a Senior Fullstack Developer (f/m/d) for our Twinner Cloud platform.

What we offer

  • Growth – to continuously shape a unique, hardware- and software-based product
  • Empowerment – to be involved in key technological decisions
  • Collaboration – to work with international teams and different cultures
  • Commitment – to be part of a passionate, driven environment


  • Guide the design and development of new features for the Twinner Cloud platform 
  • Define, document and continuously refine best practices, guidelines and standards to align teams with state-of-the-art development processes
  • Ensure software quality 
  • Contribute to training and team development, such as finding opportunities for professional development and encouraging knowledge-sharing across teams within the company 
  • Collaborate with Product Engineering in requirements analysis and specification to make sure we not only build the thing right but also build the right thing
  • Support the operation and ongoing maintenance of Twinner solutions and foster DevOps culture alongside the Cloud Engineering team 


  • 4+ years’ professional experience in .NET or Java/Spring development
  • 2+ years professional experience with JavaScript/Node.js development 
  • In-depth understanding of cloud technologies (Azure, AWS) as well as tools (Docker, minikube, etc.)
  • Studies in Computer Science or comparable qualifications
  • Daily use of version control systems (i.e. Git) and CI tools (Jenkins, GitLab, etc.)
  • Excellent communicator with fluent English language skills (German is not a Must) 
  • Self-driven problem solver with a team-oriented mindset


  • Experience developing machine learning, big data, or business intelligence solutions is an asset 
  • Experience in training, coaching, and recruiting developers 


  • Structured Onboarding with Mentor
  • Annual Equipment Budget
  • Flexible working hours
  • Remote Work or Flexdesk Offices
  • Open and Agile Feedback Culture
  • Internal Trainings and Peer Learning
  • 30 Vacation Days

We would love to hear from you! If you have any questions, feel free to reach out to Maria Siemoleit via

Javascript, c#, DevOps, Software, .net, Spring, Kotlin, Docker, Java, KUBERNETES,, Empfehlungsbund