Freelancer profile translated to English.
Back to original languageAbout Xavier
I help companies design and develop modern, robust, and high-performance C++ systems. With 18 years of experience in C++20, backend architectures, gRPC, REST, CI/CD, and CMake, I provide scalable and maintainable solutions that reduce development time and improve software quality. I typically work on critical backend projects, system integration, and performance optimization, offering everything from full development to architecture reviews and technical consulting.
Catalan
Native or bilingual
Spanish
Native or bilingual
English
Fluent
German
Fluent
Can work on-site
San Feliú de Llobregat (up to 50km)
Experience
- AIMSUN SLUSENIOR SOFTWARE ENGINEERSeptember 2021 - Today (4 years and 9 months)Barcelona, Spain• Designed and implemented backend services for Aimsun Live in C++/Qt with gRPC and REST.• Drove modernization by migrating projects from QMake to CMake and from C++17 to C++20.• DevOps: owned CI/CD pipelines, installer generation and build servers, improving reliability and developer productivity across Aimsun products.• Organized regular knowledge-sharing sessions.
- DASSAULT SYSTÈMES (SIMULIA)R&D SENIOR DEVELOPERNovember 2018 - August 2021 (2 years and 9 months)Gilching, BY, Germany• Developed cross-platform Multi-Body Simulation software Simpackin C++/Qt.• Refactored legacy code and modernized components by migrating to C++17.• Improved build time by 50% through CMake refactoring and raised code quality by introducing static code analysis.• Introduced Knowledge Transfer sessions.
- GAF AGSOFTWARE DEVELOPERNovember 2011 - October 2018 (6 years and 11 months)Munich, BY, Germany• Led a C++ development team (ca. 10 members), handling internal organization, resolving team issues and fostering knowledge sharing through trainings.• Developed geo-information products (AgroView, LaFIS) in C++/MFC.• Refactored legacy code and modernized obsolete components to improve maintainability.• Improved CI infrastructure by restructuring Git repositories, administering Jenkins and introducing static code analysis.
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Education
- MASTER DEGREE IN MATHEMATICSUNIVERSITY OF BARCELONA2005MASTER DEGREE IN MATHEMATICS
- MATRICULATION EXAM –GERMAN SCHOOL BARCELONA1999MATRICULATION EXAM –