Illia

I LLIA F RANSUA
# [відкрити контакти](див. вище в блоці «контактна інформація») ï [відкрити контакти](див. вище в блоці «контактна інформація») § github.com/IlliaFransua ~ t.me/illiafransua
€ German (B2) • English (B1) • Ukrainian (Native) • Russian (Native)

Work Experience
Java Full-Stack Developer Intern (Spring, React, NodeJS) 11/2025 – Present
ProfITsoft - 20+ years in Tech, specializing in FinTech & InsurTech across the EU
• Updating existing REST API on Spring and NodeJS, writing tests, conducting basic security audits.

• Updating existing interfaces with React (Vite) on Feature-Sliced Design (FSD) architecture using components from Google’s

Material Design (MUI).
• In general, I support the existing code of the company’s internal services.

Python Full-Stack Developer Intern (Django, JavaScript, PostgreSQL) 02/2025 – 03/2025
Sigma Software - Global IT Consultancy (2000+ engineers), with clients including Volvo, AstraZeneca, and IATA
• With other developers finished writing the table reservation service for a restaurant chain. As a result, the service saved dozens of

hours of staff work. And documented all the work I had done.

Projects
Burger Order Management System (Spring, React) Source Code
• Implemented streaming data transfer in Spring. You can download a large CSV file with all orders that match the filters and upload

your own large CSV file with new orders via API.
• Used an old React legacy code template as a basis, which I updated to modern architectural standards.

• Wrote tests for all endpoints, wrote documentation for each endpoint, and recorded a video review from a frontend perspective.

Modern Taco Cloud (Best Practices Implementation) (Spring Boot, Spring Security) Source Code
• Refactored a famous project to modern Spring Boot standards. Improved readability and maintainability.

• Implemented Google authentication to reduce the time it takes to create a new account.

• Implemented multi-level validation of input data.

Personal Startup: AI Moderation Bot (Java, Python, scikit-learn) Source Code
• Created a self-learning model based on anonymous user reports that automatically removes spam in group chats.

HTTP Web Server (Native C++, MySQL, CMake) Source Code
• Developed an HTTP server in C++ with dynamic routing, session management, file manager, and its own template engine.

Education
Bachelor in Software Engineering 09/2020 – 06/2025
College of Rocket and Space Engineering (DKRKM DNU) Remote
• Core Subjects: Stages of software development • Algorithms and Data Structures • Operating Systems • Software Architecture •
Databases • Networks • Software Testing • Web Development.

Technical Skills
Programming Languages: Java • JavaScript • TypeScript • Python • C++
Java Core: Multithreading • Concurrency • Reflection API • Data Structures • Collections API • JVM
Frameworks & Libraries: Spring Boot • Spring MVC/REST • Spring Data (JPA, JDBC, NoSQL) • Spring Security (JWT,
OAuth2) • JUnit
Databases (Relational/NoSQL): PostgreSQL • MySQL • MongoDB • Cassandra
Tools & Technologies: Git • Maven • Postman • Bruno • Jira • Vim • Neovim • macOS • Linux (Fedora)
Methodologies & Practices: Agile (Scrum/Kanban) • SOLID • KISS/DRY • Design Patterns (GoF) • Microservices
Architecture • API Gateway • RESTful API • Domain Modeling (DDD) • Clean Code • Code Refactoring