Marianna Bezler is an engineering manager and tech lead based in San Francisco with 12 years of experience optimizing performance across server- and client-side systems. She progressed from hands-on performance engineering roles at EPAM, Sephora and Thomson Reuters to senior engineering positions at Instart Logic and Dropbox, where she now leads teams and technical direction. Her background in mathematics and computer science underpins a methodical approach to profiling, latency reduction, and cross-language optimization across complex production stacks. Colleagues describe her as a pragmatic problem-solver who translates low-level performance insights into measurable product improvements and team practices. She pairs deep technical expertise with people leadership, mentoring engineers to make performance a first-class design consideration.
12 years of coding experience
10 years of employment as a software developer
Specialist (5 year MSc equivalent), Mathematics and Computer Science, Specialist (5 year MSc equivalent), Mathematics and Computer Science at Belarusian State University
Contributions:2 PRs, 9 pushes, 1 branch in 1 year 2 months
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Marianna Bezler - Engineering Manager & Tech Lead at Dropbox