Hello! 👋

I'm Bartosz Korec

Software Engineer | CyberSec Enthusiast

Bartosz Korec

About Me

Software Engineer transitioning into Cybersecurity, currently pursuing a Master's degree in Enterprise Cybersecurity. Experienced in Java, Spring Boot, and algorithmic optimization. Moving my focus toward identity management and application security, aiming to combine deep software engineering fundamentals with robust security practices to solve complex challenges.

Java Spring Boot Application Security OAuth2 / JWT REST Assured Docker Git / GitLab Linux Ecosystem Self-hosting

Projects

01

Intelligent Warehouse Management System

Full-stack system (Java 21, Spring Boot 3, Angular, PostgreSQL) built as a BSc Thesis. Implemented and benchmarked four algorithms to solve the Traveling Salesman Problem (TSP) for employee route optimization (Held-Karp, 2-opt, Google OR-Tools). Secured the application using robust JWT authentication flows.

Java 21Spring Boot 3PostgreSQLGoogle OR-ToolsJWT
02

Banking Swift Service

Spring Boot REST API designed for managing and retrieving bank records with a PostgreSQL database. Implemented core CRUD functionalities, country-based record filtering, and containerized the application using Docker.

JavaSpring BootPostgreSQLDockerUnit Testing

Experience

Junior Test Automation Engineer

Comarch

Oct 2025 - Present
  • Automating API integration tests for Comarch Loyalty Management using Java Spring and Rest Assured.
  • Verifying backend authentication and authorization flows using OAuth2 and JWT standards.
  • Maintaining automated end-to-end and integration test suites for enterprise software.

Software Developer Intern

Comarch

Jul 2025 - Sep 2025
  • Developed a loyalty system prototype for calculating user points and tiers within a Agile team.
  • Implemented secure REST API endpoints and dynamic Angular components.
  • Containerized the application with Docker and managed source code deployment on GitLab via peer reviews.

Software Developer Intern

Brown Brothers Harriman

May 2025 - Jun 2025
  • Developed and maintained corporate Java-based applications applying development best practices.
  • Verified system features, conducted integration testing, and managed version control workflows.
  • Prepared technical project documentation and actively participated in daily Scrum progress reporting.

Education

Master of Science in Applied Computer Science

DSW Ideis University Cracow (formerly WSEI)

2026 - Present
  • Specialization: Enterprise Cybersecurity
  • Focus on system hardening, threat modeling, and defensive architecture.

Bachelor of Science in Applied Computer Science

Cracow University of Technology

2022 - 2026
  • Thesis: Intelligent Warehouse Management System with route optimization.
  • Deep focus on data structures, graph theory, and database systems orchestration.