Senior Lead Engineer. As an experienced software engineer with over 20 years of hands-on experience, I have a deep understanding of software R&D projects and ICT system administration, having worked with both industry and research institutions. My expertise lies in the practical aspects of software development workflows, system design, and implementation across diverse platforms and coding languages. Particularly, my years in the international commerce sector have enriched my knowledge of business processes, providing me with a well-rounded perspective that complements my technical stacks. Specialties: • 7+ years in Python development • 5 years in J2EE development • 2 years in Linux system low-level development. • 7 years in C/C++ for Linux system programming • 8 years in network programming • 4+ years experience in network simulation • 1+ years experience in embedded Linux system customization • 4+ years experience as a network administrator for some large ISPs and college • 2+ years experience as an IT trainer