Oleksandr Nazarov is a seasoned software engineer with a decade of experience delivering secure, scalable systems across security, Web3, and fintech domains. He currently builds at Jetstream as a Software Engineer and previously led security-focused work at Hacken, where he conducted security assessments, built manual and tool-assisted code analysis workflows, and guided cross-functional teams through threat modeling methodologies like PASTA, STRIDE, and DREAD. He has hands-on experience shaping security products for Web3 initiatives—hVPN, hPass, CER.live, and HackenAI—and has led complex audits and investigations, including the Atomic Wallet incident study. Earlier in his career, he drove performance optimizations and architectural design at Аптека Низких Цен, and contributed to a range of startups, from Tabia to Scaleswap and Rokkex, sharpening both backend and security chops. He earned a Bachelor's in Computer Science from Kyiv Polytechnic Institute and is based in Kyiv, Ukraine, bringing a practical, no-nonsense approach to delivering robust software.
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