Alexander

OLEKSANDR CHUDIN
SOFTWARE DEVELOPER | C# | C++ | JAVA
Ukraine/Kharkiv · Open to Remote Portfolio · GitHub · LinkedIn · Telegram · [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY

Software Developer with 4 years of commercial experience in C# development and additional
hands-on experience with Java and Android development.
Experienced in designing and implementing software systems, application logic, integrations, automation
tools and platform-specific functionality. Strong practical background in debugging, optimization, working
with APIs and third-party services, and adapting software to different platforms and technical
requirements.
My professional experience is primarily based on C# and Unity, but I have also developed
standalone software and platform-specific solutions outside of Unity, including Java Android plugins
using Accessibility Service and C# automation software integrated with Telegram.
Bachelor's degree in Computer Science with a strong technical foundation in C/C++, Java, algorithms and
data structures, databases, computer networks, operating systems, parallel and distributed computing
and software engineering.

TECHNICAL SKILLS

Programming Languages Computer Science
C# — 4 years commercial experience Algorithms & Data Structures
C++ Operating Systems
Java Computer Networks
SQL Databases
Parallel & Distributed Computing
Software Development Software Testing
Object-Oriented Programming Computer Architecture
SOLID principles Artificial Intelligence fundamentals
Design Patterns
Platforms & Technologies
Clean Architecture
Application architecture Unity
API integration Android
Automation Firebase
Debugging & troubleshooting Telegram Bot API
Performance optimization REST/API integration
Data persistence WebGL
UI development Git
Event-driven programming

PROFESSIONAL EXPERIENCE

Software Developer / C# Developer Jan 2022 - May 2026
Developed commercial software using C# and Unity.
Designed and implemented application architecture and reusable software components.
Developed application logic, UI systems, data management and user interaction systems.
Integrated third-party SDKs, APIs and external services.
Implemented data persistence and save/load systems.
Debugged and optimized applications.
Worked with existing codebases and adapted software to changing product requirements.
Used Git for version control and collaborated with development teams.
Participated in development, testing, debugging and release processes.

SELECTED SOFTWARE PROJECTS

Android APK Installation Automation
Java · Android · Accessibility Service · Unity
Developed a custom Android plugin for an application store for Nreal augmented-reality glasses.
Developed the Android component in Java.
Used Android Accessibility Service to automate APK installation without requiring the user to manually perform
the installation steps.
Worked with Android system functionality and platform-specific restrictions.
Integrated the Java Android plugin into a Unity application.
Solved a platform-specific technical problem that could not be implemented using Unity alone.

Upwork Job Monitor
C# · Web Automation · Telegram Bot
Developed a personal automation tool for monitoring new Upwork job postings.
Developed the application in C#.
Automated checking of the Upwork jobs page for new opportunities.
Implemented logic for detecting newly appeared vacancies.
Integrated Telegram bot notifications to receive new jobs immediately.
Designed the tool as an independent utility to automate a repetitive task in my own workflow.

EDUCATION

Bachelor of Computer Sciences Sept 2018 - May 2022
V. N. Karazin Kharkiv National University
Specialization: 122 Computer Sciences
Educational Program: Informatics
Relevant technical subjects included C/C++ and Java programming, object-oriented programming, algorithms
and data structures, databases and SQL, computer networks, operating systems, parallel and distributed
computing, software testing, computer architecture, design patterns, artificial intelligence and machine learning.

LANGUAGES

Ukrainian — Native
English — Upper intermediate