SAP C (Senior) Developer for SAP HANA Column Compression Job in Walldorf/St. Leon-Rot, Germany

Requisition ID: 189871

Work Area: Software-Design and Development

Location: Walldorf/St. Leon-Rot

Expected Travel: 0 - 10%

Career Status: Professional

Employment Type: Regular Full Time


SAP started in 1972 as a team of five colleagues with a desire to do something new. Together, they changed enterprise software and reinvented how business was done. Today, as a market leader in enterprise application software, we remain true to our roots. That’s why we engineer solutions to fuel innovation, foster equality and spread opportunity for our employees and customers across borders and cultures.

SAP values the entrepreneurial spirit, fostering creativity and building lasting relationships with our employees. We know that a diverse and inclusive workforce keeps us competitive and provides opportunities for all. We believe that together we can transform industries, grow economics, lift up societies and sustain our environment. Because it’s the best-run businesses that make the world run better and improve people’s lives.


An efficient way of keeping data in memory is a must-have for an in-memory database like SAP HANA. The compression team takes care of providing advanced compression methods for table columns to make the best use out of the available memory. As compression is always a tradeoff between memory usage and cost of read access, another challenge is selecting the right compression algorithm at the right time.

We are looking for talented (senior) developers who design and implement new, improve existing compression algorithms and build the decision logic to make the in-memory technology of SAP HANA even more efficient for our huge customer scenarios.

In all focus areas, you can expect to…

  • Write software implementations using C and other languages

  • Write regression tests for your own code using different programming languages (e.g. C , Python, SQL) and testing frameworks (e.g. Google C Testing Framework)

  • Conduct code reviews and code audits to spot opportunities for improvements with respect to usability, testability, supportability, or potential performance penalties


We are looking for candidates who are committed to a technology career path. Please make sure your set of application documents contains a cover letter and CV, copies of the obtained degrees and references.

Required skills:

  • Strong C programming skills and experience in implementing performance-critical algorithms

  • Good Bachelor’s/Master’s degree or equivalent in computer science or related technical discipline

  • Basic knowledge of data structures, algorithms, and software design

  • Familiar with relational database management systems

  • Verbal and written working proficiency in English and German

  • Ability to analyze and debug complex problems

Preferred skills:

  • Experience with data compression algorithms

  • Experience in administration, programming or profiling on LINUX

  • Familiar with code-analysis tools e.g. Valgrind, Intel Amplifier

  • Experience with continuous integration concepts and tools e.g. Git, Gerrit

  • Python or Shell-Scripting programming skills

  • Knowledge of architecture of relational database management systems


  • 0- 5 years of practical experience in the area of system or application programming with C in form of student jobs, internships, etc.


Success is what you make it. At SAP, we help you make it your own.

A career at SAP can open many doors for you. If you’re searching for a company that’s dedicated to your ideas and individual growth, recognizes you for your unique contributions, fills you with a strong sense of purpose, and provides a fun, flexible and inclusive work environment – apply now .


To harness the power of innovation, SAP invests in the development of its diverse employees. We aspire to leverage the qualities and appreciate the unique competencies that each person brings to the company.

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Successful candidates might be required to undergo a background verification with an external vendor.