About Me
I'm Daniel Wilczak, a Fullstack .NET Developer with experience in web and mobile application development, specializing in .NET Framework, React, Vue.js, and React Native. I'm passionate about creating innovative solutions that solve real-world problems and deliver exceptional user experiences.
Skills & Expertise
Backend Development
Frontend Development
Mobile Development
Databases & Tools
Experience
Fullstack .NET Developer/React
Spyrosoft
Migrated legacy Windows Forms application to modern .NET + React stack. Established frontend testing with Vitest achieving 70% coverage. Resolved 150+ SonarQube violations and optimized performance by 40% through component refactoring.
Self-Employed Developer
Daniel Wilczak Code
Providing freelance software development services, specializing in full-stack web and mobile application development using modern technologies.
Fullstack .NET Developer
Smithing Systems, Warsaw
Built real-time multiplayer mobile game using React Native and .NET with SignalR. Developed parking reservation platform with Next.js implementing geolocation search and booking system. Created web scraping automation tool with email notifications.
Junior Fullstack .NET Developer
You Lead Sales & Marketing Automation , Warsaw
Maintained .NET Framework applications working with both legacy Knockout.js and Angular frontends. Debugged and resolved critical production issues affecting user workflows.
Bachelor of Engineering in Computer Science
College of Economics and Computer Science in Cracow
Graduated with a Bachelor of Engineering degree in Computer Science, gaining comprehensive knowledge in software development, algorithms, and system design.