cleveralbatraoz

Tech lead for airport dispatch across 100+ airports, built on queue-based driver-rider matching. Established the area’s first SLO review process, raising critical dispatch services to 99.9% and 99.99% availability. Designed and shipped an instant-pickup flow for high-traffic airports, reducing average ETA by up to 22%. Built a self-service admin tool for airport onboarding, cutting launch time from days to minutes.

Shipped password recovery for 6+ encrypted formats in modern C++ (Apple DMG, SanDisk SecureAccess, etc). Owned each format end-to-end: key derivation, decryption pipeline, recovery strategy. Built distributed brute-force running for months across multi-core hosts with resumable state.

Core infrastructure engineer on VKontakte’s internal data layer; owned 3 of 50+ purpose-built databases. Scaled ad-targeting and recommendation databases serving ML teams with 10K+ RPS.

Worked on ULLINK market-data gateways translating Eurex T7 feeds for low-latency trading clients; diagnosed protocol and connectivity bugs in production C++ components.

Research internship on the oneTBB team, analyzing move-semantic behavior of TBB concurrency primitives against the C++ standard library. Prototyped a movable-mutex reference implementation and authored a technical report informing oneTBB’s alignment with C++23/26 concurrency standards.