Микола

Mykola Lotockiy
Junior Java Backend Developer
Lviv, Ukraine · [open contact info](look above in the "contact info" section) · [open contact info](look above in the "contact info" section)
GitHub: github.com/CCHQSA · LinkedIn: [open contact info](look above in the "contact info" section)

PROFILE
Ambitious and disciplined Junior Java Backend Developer with a strong foundation in core Java, OOP, and data structures. Specializing in
server-side development using Spring Boot and PostgreSQL since June 2025. Strong analytical foundation from mathematical studies, with a
focus on algorithms, database structures, and clean application design. Comfortable working with Maven, Git, and layered application
architecture.

TECHNICAL SKILLS
Languages: Java — Strong · SQL — Basic · C++ — Basic · JavaScript — Basic · HTML/CSS — Basic

PROJECTS
Job Application Tracker
Tech Stack: Java, Spring Boot, Spring Security, JWT, PostgreSQL, Spring Data JPA, Hibernate, Thymeleaf
• Designed a backend server with multi-layered JWT authentication and secure HTTP-only cookie validation.
• Implemented a relational PostgreSQL database using JPA/Hibernate to track companies, interviews, and dashboard analytics.
• Engineered DTO-based design, strict validation, and global exception handling.
Budget Tracker
Tech Stack: Java, Spring Boot, Spring Data JPA, PostgreSQL, Thymeleaf, HTML, CSS
• Developed a responsive financial application for user registration, budgeting, categories, and expense tracking.
• Implemented relational analytics and expense category reporting with PostgreSQL persistence.
Books Authors CRUD
Tech Stack: Java, Spring Boot, Spring Data JPA, PostgreSQL, Hibernate
• Built REST APIs for persistent CRUD operations involving related book and author entities.
EPAM Java Coursework
Tech Stack: Core Java, Maven, JUnit, Mockito
• Completed exercises covering algorithms, collections, Java Streams, serialization, and object-oriented programming.
• Practiced rigorous unit testing using JUnit and Mockito.
LeetCode Solutions
Tech Stack: Java, Algorithms, Data Structures
• Developed algorithmic solutions with attention to time and space complexity (Big O).

EDUCATION
Lviv Physics and Mathematics Lyceum (LFML) — Completed Secondary Education
• Studied advanced mathematics, calculus (limits, derivatives, and integration), algorithms, and logic systems.
Ivan Franko National University of Lviv — Bachelor's Degree in Computer Science, 2026–Present

LANGUAGES
Ukrainian — Native • English — B1–B2
Live API: Open live project