Thomas K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Senior software developer with the following: Programming skills: Routine in object-oriented and low-level languages equally (C, C++, C#, Java ...) Strong scripting skills (Lua, Python, ActionScript 3, Perl ...) Multi-platform development (Windows, Linux, Android, Nintendo Switch, Embedded ...) Proficiency in QA & test-automation (unit, module, and functional testing) Experience with test automation frameworks (Selenium, Robot) GUI programming (IMGUI, Winforms, Qt, Swing ...) Deep understanding of GUI architectures (retained and immediate mode) Basic web development (HTML, CSS, Javascript + fundamentals of backend tech) Game programming experience: Development and self-publishing of two desktop games Simple/semi-complex game projects shipped using various engines (MonoGame/Xna, Unity, Unreal, Love2D, Construct...) Game engine architecture and gameplay programming knowledge Computer graphics, GPU/Shader programming, and multimedia knowledge Bachelor of Science diploma (Deferred Shading - 2010: GPU programming and lighting techniques (Shader programming, Forward / Deferred & Light Pre Pass rendering...)) & Personal skills: Thorough knowledge of both software and hardware architectures Engineering approach Experience in using different paradigms (procedural, oo, functional, dod ...). Comprehensive knowledge of design and analytical tools Rutin in software measurements, optimization, and testing Top-notch problem solver and creative thinker