Mariusz Kogut is a founder and seasoned fullstack architect with two decades of experience building distributed web applications, currently focusing on microservices with .NET Core, Azure and GraphQL and SPAs with React, Apollo, Redux and TypeScript. He leads two ventures—Handmade Systems, delivering bespoke SaaS, IoT and cloud solutions, and Mandanten.KI, a practical AI assistant aimed at boosting day-to-day productivity in tax firms by integrating client data and firm knowledge. His background spans industrial IoT and SCADA work as well as enterprise cloud projects, reflecting a knack for turning complex domain requirements into maintainable architectures. Equally comfortable in C# and modern TypeScript stacks, he pairs hands-on implementation with product-minded engineering and publishes as a freelance author for DotNetPro. Based in Bavaria, he brings entrepreneurial grit and a pragmatic focus on tools that genuinely help users rather than being technical showpieces.
10 years of coding experience
18 years of employment as a software developer
Fachinformatiker Anwendungsentwicklung, Fachinformatiker Anwendungsentwicklung at Kempten
Contributions:2 PRs, 18 pushes, 1 branch in 8 months
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