07/13/2025 updated
100 % available
Senior Software Developer with 15+ years of experience in C#, SQL and Web Development
Prague, Czech Republic
Worldwide
Master of Science in EngineeringSystem ServicesHTMLJavaScriptUser Experience (UX)Software ApplicationsASP.NET MVC FrameworkAuthenticationsMicrosoft AzureBiometricsC Sharp (Programming Language)C++ (Programming Language)Cascading Style Sheets (CSS)Computer SecurityDatabasesDatabase Models
Desktop Application Development
Comprehensive experience in designing, building, and maintaining desktop applications for Windows using technologies such as C#, C++, WinForms, and WPF. Skilled in integrating low-level system features and optimizing performance for robust client-side solutions.
Windows Troubleshooting & Win32 API
Advanced knowledge of troubleshooting Windows operating system issues, ranging from software and driver conflicts to registry and system services. Proficient in utilizing the Win32 API for low-level system access, custom window management, and direct OS integration to solve complex technical challenges.
Full-stack Development
Extensive experience in both frontend and backend technologies including C#, C++, WPF, Java, JavaScript, Node.js, and various web frameworks.
Authentication & Security
Specialized knowledge in cybersecurity, authentication systems, and user management including implementation of Azure Identity Management and biometric authentication.
Database & API Development
Proficiency in database technologies (SQL Server, PostgreSQL, Cassandra) and API development with experience in converting backend systems and creating RESTful services.
Web Application Development
Creation of web applications with various technologies including ASP.NET MVC, React, and traditional HTML/CSS/JavaScript stacks.
Software Architecture
Knowledge of design patterns, requirements analysis, and object/database modeling for creating scalable and maintainable software solutions.
DevOps & Infrastructure
Setup and maintenance of Windows, IIS and SQL Server environments, with experience in Azure cloud services and Windows/Linux scripting.
UX Design
Skills in usability, functional prototyping, and user interface design to create intuitive software experiences.
Comprehensive experience in designing, building, and maintaining desktop applications for Windows using technologies such as C#, C++, WinForms, and WPF. Skilled in integrating low-level system features and optimizing performance for robust client-side solutions.
Windows Troubleshooting & Win32 API
Advanced knowledge of troubleshooting Windows operating system issues, ranging from software and driver conflicts to registry and system services. Proficient in utilizing the Win32 API for low-level system access, custom window management, and direct OS integration to solve complex technical challenges.
Full-stack Development
Extensive experience in both frontend and backend technologies including C#, C++, WPF, Java, JavaScript, Node.js, and various web frameworks.
Authentication & Security
Specialized knowledge in cybersecurity, authentication systems, and user management including implementation of Azure Identity Management and biometric authentication.
Database & API Development
Proficiency in database technologies (SQL Server, PostgreSQL, Cassandra) and API development with experience in converting backend systems and creating RESTful services.
Web Application Development
Creation of web applications with various technologies including ASP.NET MVC, React, and traditional HTML/CSS/JavaScript stacks.
Software Architecture
Knowledge of design patterns, requirements analysis, and object/database modeling for creating scalable and maintainable software solutions.
DevOps & Infrastructure
Setup and maintenance of Windows, IIS and SQL Server environments, with experience in Azure cloud services and Windows/Linux scripting.
UX Design
Skills in usability, functional prototyping, and user interface design to create intuitive software experiences.
Experience
Professional experience10+ years
Freelancer since2025
Languages
GermanBasic knowledgeEnglishFluentSpanishGood
Project history
Developing Windows client for password-less login solution in C#, C++ and WPF. Managing Azure Identity Management. Contributing to low-level Windows 10/11 solution with custom drivers, biometric authentication, and OS issue analysis.
Part of a team packaging B2C Avast products for SMB clients. Converting large Ruby backend API to .Net. Developed a new billing model based on actual service consumption in Java. Migrated users and accounts between independent systems (.net to java).
Creation of a new web control for an industrial machine. Maintenance and enhancement of core application shared across apps.