Hi, I'm Afzal Abdullajonov

JOMBOY YASHIL CHIROQLARI · Jomboy, Uzbekistan

• Sole developer of a production CRM for a concrete plant, from data model and API design through to deployment and maintenance
• Kotlin/Ktor backend on PostgreSQL (Flyway, HikariCP, Exposed) with Wialon Local telematics behind a typed REST facade in a Kotlin Multiplatform module shared with web and bot
• React 19 / TypeScript front end (Vite, Ant Design, TanStack Query, Zustand) with fleet map, shift scheduling and KPI dashboards

Freelance · Remote

• Developed multiple Telegram bots in Kotlin for private clients, covering automation, notifications and user interaction workflows
• Integrated REST APIs and SQL persistence via Exposed ORM, and maintain several long-running bot projects

ALIF TECH LLC · Tashkent, Uzbekistan

• Developed and maintained C++17/20 backend services end to end
• Built REST and gRPC interfaces for internal services and mobile clients, tuned for throughput
• Applied STL containers, RAII and smart pointers; no manual memory management
• Multithreading and thread-pool scheduling; CMake, gdb, sanitizers

C++ Systems & Algorithms

• Data structures and algorithms in C++ with CMake: custom allocators, iterators, graph traversal (BFS/DFS)
• Worked with RAII, smart pointers, templates and the STL; experimented with Zig

Android OS Internals & Custom ROM Testing

• Manually tested and evaluated Android distributions — Paranoid Android, CyanogenMod, MIUI — assessing stability, performance and hardware compatibility
• Compiled custom Linux kernels for Android hardware: AOSP toolchain, device trees and kernel configuration

Game Testing

• Alpha tester — World of Tanks Blitz

Czech Technical University · Faculty of Information Technologies

Prague, Czech Republic

Tomsk State University · Computer Security

Tomsk, Russia