Softwareentwickler C# .NET optimizing backend solutions and implementing REST APIs for smart parking solutions. Collaborating with cross - functional teams to enhance distributed system architectures.
HC
Hybrid Mainframe Migration Engineer – COBOL, Java, Assembly
Posted 2 weeks ago
About the role
- Mainframe Migration Engineer working on modernization projects for German client. Analyzing codebases and supporting transitions to modern architectures in a remote role based in Portugal.
Responsibilities
- Join a high-impact Mainframe Modernization project for a major enterprise client in Germany
- Migration of large-scale legacy Mainframe systems for a leading German enterprise
- Analyzing and refactoring existing COBOL and Assembly codebases
- Supporting the transition to Java-based modern architectures
- Operating across hybrid environments where legacy and modern systems coexist during the migration window
- Active migration engineering with real complexity, tight timelines, and collaboration with international teams across Portugal and Germany
Requirements
- Mid to Senior level — 5+ years of experience in software engineering with direct involvement in Mainframe environments
- Strong hands-on experience with at least two of the following: COBOL, Java, Assembly — depth in all three is a significant differentiator
- Proven experience in Mainframe migration or modernization projects — you understand the complexity of migrating business-critical legacy systems, not just reading the code
- Ability to analyze, document, and modernize existing legacy codebases — including understanding undocumented or poorly documented systems
- Comfortable operating in hybrid environments where Mainframe and modern stacks coexist
- Strong problem-solving skills in complex, low-tolerance-for-error contexts
- Able to onboard fast and contribute immediately — this project requires minimal ramp-up time
- English B2+ — working language for collaboration with international teams and German client stakeholders
- Willingness to travel to Porto approximately once a month when project needs require it
Job title
Job type
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Not specified
Degree requirement
No Education Requirement
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