Senior Software Engineer – C++/C# Migration and Test Automation

### Job description We are looking for an experienced Software Engineer for an assignment focused on software analysis, migration, verification and test automation within an established product environment. The assignment involves understanding existing C++ implementations, developing corresponding functionality in C# and ensuring that the new solutions behave correctly on existing product units. **Responsibilities** Your responsibilities will include: - Reviewing and analysing existing C++ source code. - Understanding the behaviour, dependencies and purpose of legacy software components. - Designing and implementing corresponding functionality in C#. - Ensuring functional equivalence between existing and newly developed solutions. - Verifying software functionality directly on existing product units. - Developing automated tests based on established test protocols and test methods. - Analysing test results and investigating deviations. - Troubleshooting software and system-level issues. - Documenting implementations, test coverage and verification results. - Collaborating with software developers, system engineers and verification teams. **Your background** We believe you have: - Strong experience in C# development. - Good knowledge of C++ and the ability to understand existing C++ codebases. - Experience migrating, translating or recreating software functionality between programming languages. - Experience working with legacy software and established product platforms. - Experience developing automated tests. - The ability to translate existing test protocols and manual test procedures into automated test solutions. - Experience with software verification, debugging and troubleshooting. - The ability to work independently and take responsibility for analysis, implementation and verification. Experience from embedded systems, regulated industries, medical technology or other environments with high requirements for quality, traceability and verification is considered an advantage. #LI-IK1 #SIE **Who you are** You are analytical, structured and solution-oriented. You are comfortable working with existing systems and can identify how legacy functionality should be implemented in a modern software environment. You take ownership of your work, communicate clearly and maintain a strong focus on quality throughout development and verification. Interested? If this assignment sounds relevant to you—or if you know someone who could be a strong match—we would be happy to hear from you. ### More information För mer information kontakta Ivan Kertan, +46 761287807 [Ivan.Kertan@sigma.se](mailto:Ivan.Kertan@sigma.se) - #### Position Senior Software Engineer – C++/C# Migration and Test Automation - #### Company Sigma Industry Evolution - #### Location Lund, Sweden - #### Competence area Software development embedded systems, Software development - #### Publication date 2026-09-03 - #### Expiration date 2026-09-26 - #### Contact Ivan Kertan, Ivan.Kertan@sigma.se, +46761287807 [Apply](https://profiler.sigma.se/login/candidate?returnUrl=jobs/8318/quick-apply&culture=en-US)