C++ Software Developer - Application Framework & Architecture | C++ Entwickler:in - Application Framework | Architektur (w/m/d)

OMIKRON Systemhaus GmbH & Co. KG

Köln, Nordrhein-Westfalen, Deutschland
Published Feb 13, 2026
Full-time
Permanent

Job Summary

As a C++ Software Developer at Omikron, you will play a pivotal role in evolving the company's complex Application Framework, which serves as the technical foundation for their international digital banking solutions. Your daily responsibilities include making key architectural decisions, designing future-proof software concepts, and implementing high-performance solutions using C++ in a Microsoft Visual Studio environment. You will optimize relational database structures for MS SQL and PostgreSQL and develop robust interfaces using XML and JSON. This role is unique for its long-term career path, offering the opportunity to transition into a hybrid role involving C# and .NET. You will work in an environment that values team spirit, utilizes AI-supported development tools, and emphasizes clean code and scalability. The position is ideal for a professional who enjoys technical responsibility and wants to shape the digital future of electronic banking within a stable, 40-year-old industry leader.

Required Skills

Education

Degree in Computer Science, Software Engineering, or a comparable qualification with relevant professional experience.

Experience

  • Several years of professional experience in developing complex applications with C++
  • Proven experience working with data-intensive or distributed systems
  • Practical experience in designing and optimizing relational database structures
  • Experience in software architecture design and technical decision-making
  • Professional experience in developing and implementing XML and JSON based interfaces

Languages

German (Fluent)English (Fluent)

Additional

  • The role offers a hybrid work model with up to three days of remote work per week. Applicants must be comfortable working in a team-oriented environment with flat hierarchies.