Ангеліна

ANHELINA PETROCHENKO
AI QUALITY / AI DEBUGGING • JUNIOR SOFTWARE DEVELOPER
Bydgoszcz, Poland | 516 855 440 | [open contact info](look above in the "contact info" section)
PROFESSIONAL SUMMARY
Computer Science student at Lodz University of Technology with a strong interest in artificial intelligence, software development, and debugging. Hands-on experience with JavaScript, React, Node.js, Express.js, SQL databases, APIs, and algorithmic problem-solving. Strong logical and analytical thinking, with experience identifying programming errors, validating behavior, handling edge cases, and evaluating whether solutions are correct and reliable. Seeking an opportunity focused on AI evaluation, debugging, data quality, or software quality assurance.
CORE SKILLS
• AI response evaluation and quality analysis
• Debugging and error analysis
• Software testing and validation
• JavaScript and C
• React, Node.js, Express.js
• PostgreSQL, MySQL
• REST APIs, JSON, asynchronous operations
• Data structures and algorithms
• Object-Oriented Programming
• Git / GitHub
• Problem solving and logical reasoning
• Attention to detail and edge-case analysis
PROJECTS
Train Seat Availability Analysis Platform (In Progress)
JavaScript · APIs · Algorithms · Express.js
https://github.com/angpe995/RouteStitcher-backend
https://github.com/angpe995/RouteStitcher
• Designed a concept for analyzing seat availability on Polish train routes.
• Worked with data received from external APIs and analyzed routes by available segments.
• Designed algorithms for finding possible combinations of available route segments.
• Explored Greedy and BFS.
• Focused on edge cases, data processing, and reliable solutions for complex route combinations.
Music Festival Website (Student Project)
React · Express.js · Node.js · Forms · Email API
https://github.com/apetrochenko6/soundon-spa
• Developed a React-based website for a music festival.
• Implemented participant registration and backend form handling with Express.js.
• Added email confirmations after registration.
• Worked on form validation, user experience, and frontend-backend integration.
Sudoku Game (Group Project)
React (TypeScript)
https://github.com/apetrochenko6/sudoku
• 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.
KCK Cyber-Trener — Personal Trainer: Sumo Squat Analysis (Group Projekt)
Python · MediaPipe / BlazePose · OpenCV · Computer Vision · Edge Computing · Matplotlib
https://github.com/apetrochenko6/KCK-cyber-trener
• Developed a local intelligent training assistant using computer vision to analyze and improve sumo squat technique in real time.
• Implemented human pose estimation with MediaPipe BlazePose and post-processing of joint coordinates to evaluate squat depth and foot positioning.
• Built real-time visual feedback using OpenCV, including a body skeleton, joint angle indicators, and repetition counters.
• Implemented repetition counting and real-time technique feedback based on pose analysis.
• Added an offline voice assistant using pyttsx3 for spoken instructions and repetition counting.
• Implemented personalized squat-depth calibration based on the user's individual range of motion.
• Designed a local training history system using CSV/JSON and implemented progression logic based on previous sessions.
• Generated training progress visualizations using Matplotlib.
• Designed the application to run entirely locally on a laptop CPU without external servers or GPU infrastructure.
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: JavaScript, C
Frontend: React, HTML, CSS
Backend: Node.js, Express.js
Databases: PostgreSQL, MySQL
APIs & Data: REST API, JSON, asynchronous operations
Tools: Git, GitHub, npm
LANGUAGES
English — B2 | Polish — B2 | Ukrainian — Native | Russian — Native
ADDITIONAL INFORMATION
Available to start immediately. Shift work — to be agreed.
INTERESTS
Technology, personal development, learning, and an active lifestyle.
I hereby give consent for my personal data to be processed for recruitment purposes in accordance with applicable data protection regulations.