Ростислав

Rostyslav Riznyk
Backend Developer
Lviv, Ukraine • [відкрити контакти](див. вище в блоці «контактна інформація») • [відкрити контакти](див. вище в блоці «контактна інформація») • Djinni • GitHub • Linkedin

Professional summary
Motivated Junior Backend Developer with hands-on experience in Python, FastAPI, and MongoDB, contributing to the development of an e-commerce platform
for a car dealer’s website. Demonstrated expertise in designing scalable server-side architectures, implementing secure user authentication with FastAPI Users,
and integrating APIs like VIN Decoder to enhance functionality. Adept at writing robust unit tests and utilizing tools such as Docker, Git, and pytest to ensure
high-quality, maintainable code. Currently pursuing a Bachelor’s degree in Computer Software Engineering at Lviv Polytechnic National University. Strong
communicator with excellent problem-solving skills, a proactive approach to learning, and a commitment to effective teamwork in dynamic development
environments.

EXPERIENCE

Freelance Team: Car Dealer’s Website - Lviv, Ukraine February 2025 - Present
Junior backend developer | Python FastAPI

Responsibilities & Achievements:

● Contributed to a team of 8 developers, delivering 10+ key features
● Designed and configured the server-side architecture for an e-commerce platform by using FastAPI and MongoDB with
BeanieODM for efficient database interactions.

● Developed and maintained the core database logic, ensuring robust data handling and optimized queries for the application.

● Implemented user authentication and authorization by using FastAPI-Users, ensuring secure user management.

● Wrote comprehensive unit tests to validate application functionality, improving code reliability and maintainability.

● Created scripts for database population to streamline development and testing processes.

● Integrated a VIN Decoder API to enable accurate vehicle identification and retrieval of detailed vehicle specifications, enhancing
platform functionality for automotive-related features.

● Utilized Git for version control, collaborating effectively with the team to maintain clean and organized codebases

EDUCATION

Lviv Polytechnic National University - Lviv, Ukraine September 2023 – May 2027
Bachelor's degree in Computer Software Engineering

SKILLS

Programming Languages: Python Soft skills:
Problem-Solving
Backend: FastAPI, Django + DRF
Attention to Detail
Databases: MongoDB, PostgreSQL, Redis Communication
Teamwork & Feedback
Tools:ORM/ODM, pytest, Docker, Git, Trello, YouTrack
Adaptability
Languages: Ukrainian (Native), English (Upper-intermediate B2) Time Management
Proactive Learning