j
joshua_gd

Valentyn

@joshua_gd

Java backend developer

Ukraine
Ukrainian, English
About me
Hi, I’m a Java backend developer focused on building reliable, scalable web applications and business logic systems. I specialize in backend development, REST APIs, database-driven solutions, and clean architecture. My experience includes a hotel reservation platform with user management, booking logic, room availability control, additional service handling, and validation for balances and reservations. I help clients create efficient, maintainable, and user-friendly software that solves real business problems and supports growth.... Read more
j
joshua_gd
Valentyn
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will create robust java telegram bots and custom apis
From$5 / projectMore details

Portfolio

Work experience

Державний_університет інформаційно-комунікаційних технологій

Project for emmotion analyst for Ministry Defense of Ukraine

Державний університет інформаційно-комунікаційних технологій • Part-time

Mar 2026 - May 2026 • 2 mos

On this project i understand importance of the team work, i was get knowledge about how to build project structure, how test application and how much important communicate with your client