Posted Mar 01
Fielmann Ventures

Senior Software Developer C# / .NET Core

Hamburg, Germany Full Time

At Fielmann Ventures, we design the future of the optical industry. As a Senior Software Developer C#, you will be part of a multi-disciplinary team and help us develop solutions for innovative products, both customer-facing and internal. Your focus lies on writing well maintainable, testable software.

We expect you to be able to explain and defend technical concepts at various levels of detail, including software architecture, database guarantees, design patterns and coding principles.

The perfect applicant has experience in various architectures, programming models and programming languages and has a keen interest in systems architecture, distributed computing and software engineering in general.


  • Develop robust, testable software components
  • Implement reusable pieces of software as libraries and frameworks
  • Be up-to-date with the latest developments in various technical fields
  • Communicate your vision and justify new concepts and technologies


  • Proven ability to write software and several years of industry experience
  • B.S. or M.S. degree in Computer Science or a related technical field
  • Fluency in C# and at least one other high-level language such as Java, C++, etc., experience in .NET Core and MongoDB a plus
  • Solid theoretical foundations in various areas of computing, including algorithms & data structures, databases and especially distributed computing
  • Excellent understanding of architectures and design patterns
  • Experience in working with larger teams and on complex projects
  • Ability to operate autonomously and effectively with only high-level direction
  • Experience in microservices, actor models and functional programming a plus
  • Experience in clean code, extreme programming and test-driven development a plus
  • Collaborative, positive, team-oriented mindset
  • Excellent English skills, German a plus

What we offer

  • Competitive salary
  • Relocation package and assistance
  • Visa Sponsorship (EU Blue Card)
  • Flexible working hours
  • Free German classes
  • Capital-forming payments and ESOP
  • Free pair of glasses every year
  • Minimum of 28 vacation days
  • German health plans
  • Subsidized public transport
  • Unlimited sick days
  • Free coffee, softdrinks, etc.
  • Subsidized gym membership
  • Multicultural & interdisciplinary teams

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