Vitalii

Vitalii Duvalo
PYTHON DEVELOPER

CONTACTS SUMMARY

[открыть контакты](см. выше в блоке «контактная информация») Python Developer with a Computer Engineering background, specializing
[открыть контакты](см. выше в блоке «контактная информация») in backend development with Django, FastAPI, and RESTful services.
Strong foundation in Object-Oriented Programming, SOLID principles,
LinkedIn algorithms, and data structures, with hands-on experience using
GitHub PostgreSQL, Redis, Docker, and asynchronous Python. Built practical
projects in web scraping, data analysis, and scalable API design,
Telegram
demonstrating the ability to deliver clean and maintainable code. Upper-
Ukraine, Lviv, remote, relocate Intermediate English supports effective collaboration, while an active
lifestyle that includes volleyball and regular gym training reflects
discipline, teamwork, and resilience. I strive to consistently deliver value
SKILLS and results.

Languages: Python 3.10+
EXPERIENCE
(Advanced, Asyncio),
JavaScript, HTML/CSS, C++ Python Developer at Appexoft Mar 2025 – present
(Academic)
Web Frameworks: FastAPI,
Django (DRF, ORM), Flask Project: Publicis Global Data Platform — Developing high-scale
Databases & Tools: asynchronous backend services and automated scraping
pipelines for a global leader in advertising.
PostgreSQL, Redis, SQLite,
Docker, Git * Developing and maintaining high-performance backend services for
Data & Scraping: Scrapy, the Publicis project using Python (Asyncio).
Selenium, BeautifulSoup, * Designing and implementing scalable RESTful APIs with Django REST
Framework (DRF) and optimizing ORM queries for PostgreSQL.
Pandas, ML (Basics)
* Building complex web scraping systems using Scrapy, Selenium, and
Architecture & CS: OOP BeautifulSoup to automate data extraction within the Publicis
(SOLID), Design Patterns, Data ecosystem.
Structures & Algorithms * Architecting robust data processing pipelines with Pandas, utilizing
Redis for caching and message queuing.
SDLC: Agile (Scrum/Kanban)
* Containerizing applications using Docker and managing version
Testing: pytest, unittest, DRF control with Git to ensure consistent deployment environments.
APITestCase * Applying OOP (SOLID) principles and Design Patterns to create
English: Upper-Intermediate modular, maintainable, and testable codebases.
* Ensuring high code quality and reliability through comprehensive
testing with pytest and DRF APITestCase.
* Collaborating in an Agile (Scrum/Kanban) environment to deliver
project milestones and technical requirements.
EDUCATION PROJECTS
Jul 2025 – Aug 2025
Lviv Polytechnic National
University Restaurant Kitchen Service — Django project for managing dishes, dish
types and ingredients
2023 – Present
GitHub
Bachelor’s Degree in Computer
Key responsibilities & achievements:
Engineering (in progress) Implemented authentication and authorization functionality for Cook
and User roles with role-based access control.
Developed features for managing dishes, dish types, and ingredients,
ADDITIONAL ensuring proper validation and data integrity.
EDUCATION Built and customized a powerful Django admin panel for advanced
management of kitchen data and system entities.
Designed and structured database models to support scalable and
Python course at Mate academy
maintainable data storage.
(OOP, Python, Django) Improved code organization and maintainability by applying clean
Books: Python Crash Course, Clean project structure and Django best practices.
Code
Oct 2025 – Nov 2025
Planetarium Service – API service for planetarium service realized on
DRF
ACHIEVEMENTS GitHub
Key responsibilities & achievements:
Mathematics Olympiad Winner — JWT authentication system
Lviv Polytechnic National Admin panel available at /admin/
University, 2023 API documentation with Swagger at /api/doc/swagger/
1st Place — Inter-School Volleyball Managing reservations and tickets
Competition, 2022 Creating astronomy shows with themes
1st Place in Inter-School Creating planetarium domes with capacity management
Mathematics Olympiad, 2021 Adding show sessions with scheduling
Filtering astronomy shows by title and themes
3rd Place in Inter-School
Filtering show sessions by date and show
Informatics Olympiad, 2019
User registration and profile management
1st Place in Inter-School Informatics Ticket validation and seat allocation system
Olympiad, 2021 Image upload for astronomy shows and domes
Role-based access control (User/Admin)

GitHub – Planetarium Service
Dec 2025 – Jan 2026
Cinema API service – A high-performance Cinema Management API built
with FastAPI
GitHub
Key responsibilities & achievements:
JWT Authentication — Secure login and session management with
access/refresh tokens.
Email Activation — User registration flow with automated activation
via unique tokens.
Role-Based Access — Permission levels for USER, MODERATOR,
and ADMIN.
Advanced Filtering — Search movies by title, year, IMDb score, or
genres.
. User Interactions — Like/dislike system, numerical ratings (1-10),
and "Favorites" list.
Comments — Review system with support for nested replies.
Shopping Cart — Manage items before purchase.
Checkout — Secure purchase logic that prevents duplicate
acquisitions.
Celery Worker — Periodic cleanup of expired activation and reset
tokens.
Dockerized — Fully containerized environment