Mariusz Borsa is a software security engineer in Redmond with 11+ years of experience building high-performance, scalable server and platform products across Microsoft, Amazon, Polyverse, and Apple. He blends deep systems and security expertise—ranging from .NET/WCF diagnostics and BizTalk server tooling to search experience engineering and hardened security products—with hands-on skills in C#, C++, Python and cloud/web stacks. Known for performance-first thinking, he has driven measurable operational improvements (lab provisioning, CPU/trace optimizations, and shorter dev/QA feedback loops) and supported 24/7 on-call production services. A practiced technical leader and mentor, he has led cross-functional teams to ship mission-critical releases and improved observability without sacrificing throughput. His background uniquely combines legacy enterprise integration know-how with modern software-hardening experience at companies focused on large-scale availability and security.
11 years of coding experience
23 years of employment as a software developer
MASTER OF SCIENCE, MASTER OF SCIENCE at University of Mining and Metallurgy
Contributions:2 PRs, 4 pushes, 1 branch in 1 year 2 months
wordpresspackagingwordpress-plugindocker
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Mariusz Borsa - Software Security Engineer at Apple