Dren 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.

List of skills: - Mathematical analysis of computer sciences problems, algorithms and data structures - Advanced Math and Physics - Programming: C/C++/C#, java, haskell, sml, javascript, python, go, ruby, php - Design and implement efficient Algorithms and Data Structures - Computer Graphics Programming - Game Programming - Software Engineering - Operating Systems - Machine learning and Artificial Intelligence - Design and implement Intelligent Multimedia Systems - Databases: SQL(mySQL, PostgreSQL), NoSQL(MongoDB, Couchbase, redis, HBase) Level of knowledge: - Excellent in: C/C++/C#, haskell, javascript, python, go, ruby, php - Excellent in: Web, desktop, mobile programming - Excellent in: 2D/3D Game programming - Good in: System programming - Excellent in scm: Git - Excellent in software development flow: agile, spiral, waterfall, scrum - Excellent in: Intelligent Multimedia Systems - Administrating: Linux Based(Debian, Fedora), BSD based(FreeBSD, NetBDS) and also Microsoft Windows operating systems