Sergey Osokin is a seasoned Founder & CTO and systems architect with 23 years of experience designing and tuning microservices, load-balancing, and Linux/FreeBSD/UNIX infrastructures. He combines deep hands‑on expertise with NGINX/haproxy, Docker, Kubernetes/OpenShift, and CI/CD ecosystems, and has a track record of performance tuning across SQL and NoSQL databases. A long-time FreeBSD ports committer and NetBSD/Macports contributor, he also fixes cross-platform build issues in high-profile projects like Telegram Desktop, showing attention to build stability and portability. Sergey blends infrastructure leadership—from running ISP-grade 24x7 systems to leading NGINX consulting at F5—with practical coding skills in Perl, Python, PHP and shell scripting. His background includes AWS Cloud Practitioner certification and ongoing Solutions Architect study, reflecting a steady move toward cloud-native architectures while retaining deep OS-level knowledge.
22 years of coding experience
22 years of employment as a software developer
High School, High School at №2, Smolino, Kirovograd region
National University of Science and Technology "MISIS" (Moscow Institute of Steel and Alloys)
High School, High School at Komarov School, Shantobe, Astana region
Software Engineer (Focus on cross-platform build and bug fixes)
Contributions:3 commits, 5 PRs, 2 issues in 3 months
Contributions summary:Sergey's contributions primarily focus on fixing build issues and resolving warnings within the Telegram Desktop application. They addressed build failures on FreeBSD and made changes to accommodate specific compiler versions and configurations. Their work also includes removing unused variables, indicating an effort to maintain code quality and prevent potential build problems. Furthermore, the user interacted with cross-platform specific code (Linux in this case), fixing problems related to notifications and operating system integration.
Contributions:19 pushes, 6 branches, 1 comment in 5 years 7 months
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