Freelancer profile translated to English.
Back to original languageAbout Tobias
Senior Software Architect and IT Manager with many years of experience in the conception, modernization and security of complex web and cloud systems based on .NET and Angular.
I support companies in stabilizing technically grown systems, making them scalable and developing them further in a security-compliant manner. In addition to deep architectural understanding, I have TÜV-certified expertise in information security (ISMS / ISO 27001) and combine software development with structured, auditable processes.
My focus is not only on implementation, but on sustainable architecture, technical debt reduction and risk minimization. AI topics are also in good hands with me!
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- itwh - Institut für technisch-wissenschaftliche Hydrologie GmbHDeputy Head of Software Engineering & ITSOFTWARE PUBLISHINGJanuary 2025 - Today (1 year and 7 months)Hanover, NI, GermanyAs IT Manager with TÜV certification in Information Security (ISMS / ISO 27001), I combine technical excellence with structured, auditable development processes.Key areas are scalable backend architectures, performant database systems, and secure API and cloud environments.I support companies with:Architecture reviews & refactoring of existing systemsPerformance optimization (SQL / Backend / APIs)Security analysis & securing of web applicationsModernization of legacy systemsIntroduction of clean dev and deployment processes
- itwh GmbHInformation Security OfficerSOFTWARE PUBLISHINGJanuary 2023 - Today (3 years and 7 months)Hanover, NI, GermanySenior Software Architect with many years of experience in the conception, development and modernization of complex web applications based on .NET and Angular.As IT Manager with TÜV certification in Information Security (ISMS / ISO 27001), I combine technical excellence with structured, auditable development processes.Key areas are scalable backend architectures, performant database systems, and secure API and cloud environments.I support companies with:Architecture reviews & refactoring of existing systemsPerformance optimization (SQL / Backend / APIs)Security analysis & securing of web applicationsModernization of legacy systemsIntroduction of clean dev and deployment processes
- SynapsenCoding - Coding your VisionsOwnerDIGITAL AND ITJanuary 2017 - Today (9 years and 7 months)Hannover, GermanySenior Software Architect and owner of SynapsenCoding with many years of experience in the conception, modernization and security of complex web and cloud systems based on .NET and Angular.I support companies in stabilizing technically grown systems, making them scalable and developing them further in a security-compliant manner. In addition to deep architectural understanding, I have TÜV-certified expertise in information security (ISMS / ISO 27001) and combine software development with structured, auditable processes.My focus is not only on implementation, but on sustainable architecture, technical debt reduction and risk minimization.🔷 KEY AREAS OF EXPERTISEArchitecture & ModernizationAnalysis and evaluation of existing software architecturesRefactoring of legacy systemsIntroduction of Clean Architecture / ModularizationMigration of legacy systems to modern .NET architecturesAPI design and scaling strategiesBackend & Cloud.NET / C# (.NET 6+)ASP.NET Core / Web APIEvent-driven systems (RabbitMQ)Azure / AWSCI/CD and deployment strategiesPerformance & DatabasesMSSQL (T-SQL, Performance Tuning, Index Optimization)MySQLData modeling and optimizationAnalysis of complex queries and load issuesFrontendAngular (Single Page Applications)TypeScript / HTML5 / CSS3Security & GovernanceTÜV-certified Information Security Officer (ISMS / ISO 27001)Security-by-DesignSecuring REST APIsTechnical risk analysisAudit-compliant development processes
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Education
- Information Security Officer (TÜV)Information Security Officer (TÜV)
- Certified IT Systems Manager, Certified IT Systems ManagerIHK2025Certified IT Systems Manager, Certified IT Systems Manager