t
toxirxakimov

Toxir X

@toxirxakimov
Polen
Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
Java developer focused on backend logic, data persistence, and thread safety. I help fix structural issues and runtime errors in Core Java applications. If your project is hitting concurrency locks or data file issues, I can jump into the codebase and clean it up. What I work with: Fixing multithreading deadlocks and synchronization bugs. Troubleshooting object serialization and local file-saving errors. Refactoring messy, tightly coupled code into modular classes (SOLID). I use Git for clean version control. Send over your error logs or repository link, and let's get it working.... Lees meer

Skills

t
toxirxakimov
Toxir X
offline • 

Bekijk mijn diensten

Bugfixes
I will fix java backend bugs and concurrency issues
VanafUS$ 20 / projectMeer informatie

Portfolio

Werkervaring

Upwork

Independent Java Backend Engineer & Systems Developer

Upwork • Freelance

Jun 2026 - Present • 0 mos

High-Concurrency Engineering: Architect and optimize asynchronous, thread-safe backend engines, implementing explicit synchronization locks to prevent data cross-contamination during parallel user updates. Custom Data Persistence: Design and maintain optimized file-based storage modules utilizing Java Object Serialization (Serializable) to safely log registries without external database overhead [cite: The user develops Java backend applications with a focus on multithreading, serialization, and SOLID design principles., In June 2026, the user successfully implemented a serialized file-based database for a Java-based messaging application and managed its initial version control on GitHub.]. Codebase Refactoring & Architecture: Audit complex, tightly-coupled legacy code frameworks to decouple bloated methods into clean, reusable modules following strict SOLID design principles. Source Control Management: Maintain clean codebase version control, utilizing branching strategies and strict repository tracking on GitHub.