Александр

Oleksandr Rusanov
Backend Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Dnipro, Ukraine

Backend Developer specializing in Python with solid practical experience in designing and developing
RESTful APIs, building backend services, and structuring scalable application architectures. Proficient in
frameworks such as FastAPI, with strong knowledge of SQLAlchemy ORM and PostgreSQL for efficient
database design, query optimization, and data modeling.

Experienced in implementing authentication and authorization mechanisms, including JWT-based security,
as well as developing core business logic for backend systems. Skilled in structuring backend applications
using layered architecture principles, separating routing, business logic, and data access layers to improve
maintainability and scalability. Familiar with asynchronous programming in FastAPI, integrating third-party
services and APIs, handling background tasks, and implementing secure API endpoints.

WORK EXPERIENCE

EPAM Systems – Junior Python Developer
April 2025 – April 2026
• Developed and maintained RESTful APIs using Python, FastAPI.
• Designed and optimized database schemas using PostgreSQL and SQLAlchemy ORM.
• Integrated JWT authentication and authorization mechanisms for secure API access.
• Wrote unit and integration tests with pytest to ensure API reliability and code quality .

EDUCATION

Dnipro National University (DNU) - Bachelor's degree, Applied Mathematics
September 2019 - June 2023 Dnipro, Ukraine

HARD SKILLS

• Python
• FastAPI, Pydantic, SQLAlchemy, Pytest
• PostgreSQL, MySQL, MongoDB
• Swagger
• Git, GitLab