Stanislav

Stanislav Hlukhanych Java Backend Developer
stas.hlukhanych​@gmail.com [open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section) t.me/stas_hlukhanych

github.com/StanislavHlukhanych Uzhhorod, Ukraine

About Me

Results-driven Java Backend Developer with a strong focus on building scalable RESTful APIs and real-time
communication systems. Expert in Spring Boot ecosystem, proficient in designing secure architectures with JWT and
WebSockets. Passionate about writing clean, maintainable code following SOLID principles and modern design
patterns to deliver high-performance enterprise solutions.

Skills
Java Backend Stack: Tools & Infrastructure: DevOps Skills:
Java Core, Spring Boot, Spring AWS, Cloudflare Services, RESTful Docker, Linux, GitHub Actions
Core(IoC/​DI), Spring MVC, Spring API, WebSocket, Git, GitHub,
Data, Spring Security, Hibernate, Swagger, Twilio Soft Skills:
Liquibase Mentoring & Communication,
Architecture & Design: Analytical Thinking, Problem
Data Management: SOLID Principles, Dependency Solving, Self-Management,
SQL, PostgreSQL, MySQL, MS SQL Injection, Service-Oriented Teamwork & Collaboration
Server, Redis, MongoDB, LiteDB Architecture, Service Layer, DTO

Professional Experience
10/2025 – 04/2026 Freelance, Full-Stack Developer (Java Spring Boot & Flutter)
Custom Messaging Application
Designed and developed a scalable Spring Boot backend for real-time messaging
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Implemented WebSocket-based communication with message status tracking
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Integrated Firebase Cloud Messaging and SMS-based phone verification
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Used PostgreSQL for persistence and Redis for caching
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Dockerized and deployed the application on VPS server
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Implemented the admin panel on Laravel Filament
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05/2025 – 07/2025 Alva Commerce S.R.O., Intern Backend Developer (PHP/Laravel)
Uzhhorod, Ukraine Worked on the faculty's information system
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Developed REST APIs for viewing information
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Сreated an admin panel to manage the system
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Integrated Swagger/​OpenAPI documentation for backend services
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Success cases

05/2025 – 08/2025 Booking Platform, Full-Stack Developer (Java Spring Boot & Vue.js.)
Implemented JWT authentication, listings, reservations, and user management
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Used PostgreSQL, Hibernate, and Liquibase for data persistence
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Developed Vue.js frontend integrated with REST API
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Backend - https://github.com/StanislavHlukhanych/booking_backend⁠
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Frontend - https://github.com/StanislavHlukhanych/booking_frontend⁠
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02/2025 – 04/2025 Mobile Bank App, Full-Stack Developer (Java Spring Boot & Flutter)
Designed and implemented a Spring Boot–based REST API for an online banking system
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Implemented secure JWT authentication and authorization
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Developed core banking features: card management, transactions, and user profiles
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Deployed the application to Render with HTTPS enabled for secure access
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Backend: https://github.com/StanislavHlukhanych/spring-online-banking⁠
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Education
09/2022 – 2026 Bachelor's degree (FMDT, Department of Systems Analysis),
Uzhhorod, Ukraine Uzhhorod National University⁠