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Oleh Popovych

OLEH POPOVYCH [открыть контакты](см. выше в блоке «контактная информация»)

opopovych1994
JAVA DEVELOPER opopovych
Lviv, Ukraine

SUMMARY PROFESSIONAL EXPERIENCE

Java Developer with 1+ year of experience in Java Developer | Independent Software Engineering
building scalable backend solutions. Expertise 06.2024 – Present
in Java 17, Spring Boot, and Database
Optimization. Proven track record in Tech Stack: Java 17, Spring Boot, Spring Data JPA, Hibernate,
Logistics Systems Engineering, focusing on Spring Security, MySQL, Docker, Thymeleaf, AJAX, Stripe API.
automating business processes and improving
operational efficiency. Highly motivated to PROJECTS
deliver clean, maintainable code using SOLID
principles and DRY patterns. IJO Coffee — Full-cycle E-commerce Ecosystem
(Commercial Project)
SKILLS Architected a full-cycle retail platform for a coffee
distributor with real-time price recalculation and
Java: Java 8, Java 17, Java Core, Collections,
inventory synchronization.
OOP, SOLID
Engineered a marketing toolkit for dynamic pricing
Spring: Spring Boot, Spring Data JPA,
groups and a logistics module for automated "Pick List"
Spring Security, Spring MVC, Docker
generation.
DB & Persistence: Hibernate, Query
Optimized system performance through rigorous load
Optimization (N+1 solving), MySQL, JDBC
testing to ensure stability under high transaction volumes.
Web Development: AJAX (JavaScript),
GitHub Code: E-commerce Ecosystem.
Thymeleaf, Servlet, HTML5, CSS3
Testing & Quality: JUnit, Load Testing
Coffee Price Management Service (Commercial Project)
concepts, Transactional Integrity
Automated B2B price list distribution, implementing a
Tools: Maven, Lombok, Git
secure system with personalized, encrypted URLs for
IDE & OS: IntelliJ IDEA, Windows, macOS,
wholesale clients.
linux
Developed a high-speed data engine for bulk catalog
English: Intermediate
updates and integrated Spring Security for multi-tier
EDUCATION access control.
Streamlined administrative workflows by adding custom
National University Lviv Polytechnic logic for logistics and trip coordination.
2011 - 2017 GitHub Code: Price Management Service.
Master’s Degree in Engineering of Logistics
Systems CarEase: Your Smart Rental Partner
Developed a car-sharing system with real-time
ADDITIONAL EDUCATION tracking of vehicle availability and automated rental
workflows.
Mate Academy: Java Course (focused on Integrated Stripe API for secure payments and a
OOP, Java 8+, Spring, Hibernate) Telegram Bot for instant administrative alerts on rental
Logos IT Academy: Course covering OOP, status.
Spring, Hibernate, MySql Implemented Role-Based Access Control (RBAC) to
Prometheus: Web UI development (Core) manage user profiles and administrative operations.
English Language: Course for beginners GitHub Code: CarEase: Your Smart Rental Partner
(Level A1 - A2)
PREVIOUS EXPERIENCE

Sales Manager | Food Industry
2017 - 2025
Business Growth: Spearheaded a food product distribution initiative with minimal investment, achieving a
100% ROI within the first cycle.
Cost Optimization: Reduced logistics and delivery operational costs by 10% through data-driven route
planning and resource management.
Process Automation: Identified and automated repetitive manual workflows, increasing team productivity
and information accuracy.
Leadership & Multitasking: Effectively managed cross-functional responsibilities and led sales teams to
meet and exceed revenue targets.
Customer Insights: Developed a systematic approach to identifying client needs, translating them into
successful product strategies and long-term partnerships.