Summary
Junior Java Developer with hands-on experience in building REST APIs, backend systems, and database-driven applications using Java, Spring Boot, and PostgreSQL. Delivered real-world freelance projects for clients, integrating APIs and meeting deadlines. Highly motivated and fast-learning, currently completing a professional Java program at ProductStar. Passionate about backend and fullstack development with a focus on writing clean, scalable, and production-ready code.
Technical Skills
- Java
- Spring Boot
- JDBC
- REST APIs
- Hibernate
- JUnit 5
- Maven
- SQL / PostgreSQL
- JavaScript (ES6+)
- Git / GitHub
- IntelliJ IDEA
- HTML5 / CSS
- Figma
- WordPress
Key Projects
Patient Management System
2024 | View on GitHub
- Developed a Spring Boot REST API with JDBC and PostgreSQL for managing patient records (100+ entries).
- Implemented CRUD operations, exception handling, and validation to improve reliability and reduce errors.
- Integrated database connectivity and modularized code for scalability.
Multithreaded Task Processor
2024
- Built a Java application to process tasks concurrently using the Runnable interface and synchronization.
- Improved throughput by 15% while ensuring thread safety of shared resources.
Algorithm Optimization Suite
2023–2024
- Designed and optimized sorting, searching, and recursive algorithms in Java for large datasets.
- Improved performance by 25% through efficient use of Java Streams and Collections.
Flower Shop Online Store (New Year’s Marathon Winner)
2023
- Developed a responsive e-commerce website with JavaScript, HTML, and CSS.
- Recognized as "Best User Experience" among 50+ participants.
Work Experience
Freelance Web Developer
Self-Employed | Banská Bystrica, Slovak Republic | July 2020 – Present
- Delivered 5+ responsive websites using HTML, CSS, JavaScript, and WordPress.
- Integrated third-party APIs for payments and bookings, increasing user engagement by 20%.
- Collaborated with clients to gather requirements, ensured timely delivery, and achieved repeat business.
Education
Java-Profession (Professional Program)
ProductStar | October 2023 – Present
Completed Core Java (OOP, collections, streams, multithreading, Java I/O). Currently studying JDBC, Spring Boot, REST APIs, and design patterns. Built production-level projects including a patient management system and multithreaded applications.
Additional Training
Front-End Developer, HTML-Academy (2021–2022)
Web Development for Beginners: HTML and CSS, Stepik (2021)
PHP Developer, php.zone (2022–2023)
Novgorod State University named after Yaroslav-the-Wise (NovSU)
Specialist Degree (Equivalent to Master's in Medicine/Dentistry)
Dentistry
September 2015 – July 2020
Career Change
After completing my medical degree in Dentistry, I made a deliberate career change to IT, driven by my passion for problem-solving, technology, and software development. I transferred the discipline and analytical mindset gained from medicine into programming, where I now focus on backend development with Java and Spring Boot. This transition highlights my adaptability, persistence, and strong motivation to succeed in a new professional field.
Languages
- Slovak: Intermediate (B2)
- English: Intermediate (B1, improving)
- Russian: Native / Fluent (C2)
Licenses & Certifications
- Driver’s License: B