Javohir Sadullayev
Software Engineer
Tashkent, Uzbekistan (UTC+5)JS
javohirsadullayev836@gmail.com+998 88 603 66 44linkedin.com/in/javohir-sadullayevgithub.com/Sadullayev-Javohir
I am a software engineer focused on high-throughput backend architecture and AI integrations. I enjoy dissecting complex business rules and translating them into robust, clean C# services that scale effortlessly.
Work Experience
05 ROLESBackend DeveloperEnglishAI · Tashkent, Uzbekistan · Full-time
JUL 2026 — PRESENT- Architected ASP.NET Core REST APIs with PostgreSQL and Redis caching for 700+ active users.
- Eliminated placement-test dropouts by correcting false anti-cheat triggers and enabling session recovery (+78% onboarding).
- Engineered MD5-hashed Redis audio caching for Azure Speech, reducing synthesis costs by 35% and latency to <120ms.
Full-Stack DeveloperKitobdagiMen · kitobdagimen.uz · Product collaboration
JUN — JUL 2026- Built full-stack platform (.NET 8, PostgreSQL) with reviews, goals, quotes, and real-time SignalR chat.
- Integrated Telegram Mini App with automated quote broadcasts, HMAC-SHA256 validation, and 2-minute OTP auth.
- Engineered 60/40 discovery feed with cursor pagination and a 4-route fallback proxy (99.8% availability).
Backend & AI EngineerZiyoAI · @ZiyoAIBot · AI product
AUG — SEP 2026- Developed multimodal Telegram bot (.NET 8, EF Core, Docker) with Whisper STT, TTS, and OCR document processing.
- Engineered autonomous channel enrichment for generating discussion starters, summaries, and educational quizzes.
- Built dual-key failover gateway with tiered timeouts (30s/65s) and deduplication, maintaining 99.9% uptime.
Creator & Lead EngineerTypingWar · Pet project · Live duel engine
JUN — JUL 2026- Designed room-based matchmaking using SignalR hubs and Redis Pub/Sub state distribution.
- Implemented server-authoritative keystroke timestamps to eliminate network latency manipulation.
- Built low-latency WebSocket lobbies supporting concurrent 1v1 and battle-royale typing bouts.
Backend DeveloperMeningVaqtim · meningvaqtim.uz · Ongoing
ACTIVE PROJECT- Built productivity backend (.NET 8, PostgreSQL) delivering timezone-aware analytics for 200+ users.
- Automated timer completion and distraction logging with Hangfire background jobs (100% data integrity).
Education
B.Sc. in Computer SciencePDP University
2024 — 2028 · GPA: 4.13 / 4.5