Ангеліна

ANHELINA PETROCHENKO
COMPUTER SCIENCE STUDENT • SOFTWARE ENGINEERING / SOFTWARE DEVELOPMENT
Lodz, Poland | 516 855 440 | [відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY
Computer Science student at Lodz University of Technology with a strong foundation in programming, Object-Oriented
Programming, data structures, algorithms, and problem solving. Hands-on experience with C, C++, C#, JavaScript, React,
Node.js, ASP.NET Core, REST APIs, SQL databases, and software testing. Experience developing C/C++ code for STM
microcontrollers and building full-stack and backend projects. Interested in software engineering, backend systems, algorithms,
and developing reliable solutions to real-world problems.

CORE SKILLS
• Data Structures & Algorithms
• Object-Oriented Programming (C++ / C#)
• C / C++ / C# / JavaScript
• Backend & Web Application Development
• REST APIs and JSON
• PostgreSQL / MySQL / Entity Framework Core
• Debugging, Testing & Validation
• Problem Solving and Edge-Case Analysis
• Embedded / STM Microcontroller Programming
• Git / GitHub
PROJECTS
Conference Room Booking API
https://github.com/angpe995/conference-room-booking-api
C# · ASP.NET Core · Entity Framework Core · PostgreSQL · xUnit · Swagger
• Developed a REST API for managing conference rooms, services, bookings, and room availability.
• Implemented booking conflict validation and room availability search.
• Implemented business logic for booking price calculation and revenue/hourly booking reports.
• Used Entity Framework Core with PostgreSQL and database migrations.
• Applied service-based architecture with controllers, services, DTOs, and domain models.
• Implemented centralized exception handling using ASP.NET Core Problem Details.
• Wrote unit tests covering booking logic, room management, availability, and reporting.
GitHub: github.com/angpe995/conference-room-booking-api
Train Seat Availability Analysis Platform (In Progress)
https://github.com/angpe995/RouteStitcher
https://github.com/angpe995/RouteStitcher-backend
JavaScript · APIs · Algorithms · Express.js
• Designed a concept for analyzing seat availability on Polish train routes using external API data.
• Analyzed routes by available segments and designed algorithms for possible combinations of route segments.
• Explored Greedy, BFS, and Dijkstra approaches depending on optimization criteria.
• Focused on data processing, edge cases, and reliable solutions for complex route combinations.
Music Festival Website (Student Project)
http://github.com/apetrochenko6/soundon-spa
React · Express.js · Node.js · Forms · Email API
• Developed a React-based website with participant registration and backend form handling.
• Implemented email confirmations and form validation.
• Worked on frontend-backend integration and user interaction.
Sudoku Game (Group Project)
https://github.com/apetrochenko6/sudoku

React
• Collaborated in a team to develop an interactive Sudoku web application.
• Implemented game logic, state management, and board validation.
• Participated in debugging and improving the user interaction flow.
EMBEDDED SYSTEMS & OOP
• Applied Object-Oriented Programming principles in C++ through university coursework and programming projects.
• Developed C/C++ code for STM microcontrollers, gaining practical experience with embedded and hardware-oriented
programming.
EDUCATION
Lodz University of Technology
B.Sc. / Engineering Studies in Computer Science | 2024 – Present
Relevant coursework: Programming · Algorithms and Data Structures · Databases · Object-Oriented Programming · Computer
Systems · Web Technologies · Software Development

CERTIFICATION
IBM Full Stack Software Developer Professional Certificate
Frontend Development · Backend Development · JavaScript · React · Node.js · REST APIs · Databases · Git/GitHub

TECHNICAL STACK
Languages: C, C++, C#, JavaScript
Frontend: React, HTML, CSS
Backend: ASP.NET Core, Node.js, Express.js
Databases: PostgreSQL, MySQL, Entity Framework Core
APIs & Data: REST API, JSON, asynchronous operations
Testing & Tools: xUnit, Swagger, Git, GitHub, npm
LANGUAGES
English — B2 | Polish — B2 | Ukrainian — Native | Russian — Native
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