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Achievement: Pair ExtraordinaireAchievement: Arctic Code Vault ContributorAchievement: Pull Shark

Achievements

Achievement: Pair ExtraordinaireAchievement: Arctic Code Vault ContributorAchievement: Pull Shark

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Ansud/README.md

Anton Zelenov

Systems programmer, 25 years down the stack: hypervisors, kernel drivers, backends, database internals.

  • Core engineer on Parallels Desktop (2000–2011) — virtual disk subsystem, snapshot machinery, BIOS/EFI firmware, ACPI, device emulation. 1,600+ commits from x86 assembly to public SDK.
  • Upstream Linux kernel patches (OpenVZ / container era).
  • Parallels Access (2012–2015) — kernel-mode virtual audio & HID drivers on Windows (WDM/PortCls) and macOS (IOKit); real-time audio pipeline with lock-free ring buffers, Opus/WebRTC, sub-10ms latency across five OS targets.
  • Parallels cloud backend (2015–2021) — 8+ Python/Django microservices and a Java/Spring proxy broker serving millions of users: licensing, GDPR, PKI/mutual TLS, zero-downtime MySQL migrations.
  • Query optimizer and columnar execution engine for YDB, an open-source distributed SQL database (C++20).
  • Backend platform & RAG stack at Constructor — ~10 Python microservices on Kubernetes; currently shipping Rust services built AI-first: generated code, human-validated (44K lines in production).
  • 16 US patents in virtualization, storage, VM cloning and search (Google Patents — a few are indexed under name variants).

📫 linkedin.com/in/ansud

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