Oleksandr

Oleksandr
Turulko
C# .Net Back-end Developer

PROFILE
Highly motivated and detail-oriented .NET Back-End Developer with a strong track
CONTACT ME record in designing and implementing scalable, secure, and high-performance server-
side applications. Proficient in .NET Core, C#, and MSSQL, with expertise in developing
RESTful APIs, integrating third-party services, and optimizing database performance.
Vinnytsya, Ukraine Adept at solving complex problems and delivering solutions that align with business
objectives, I am passionate about clean code, continuous learning, and contributing to
[відкрити контакти](див. вище в блоці «контактна інформація») impactful projects.

[відкрити контакти](див. вище в блоці «контактна інформація»)
WORK EXPERIENCE
LinkedIn
.Net Backend Developer 2021 - 2024
Dipsy Clothes (E-commerce)

Education Designing and optimizing database structures.
Developing and configuring server-side logic for the back end.
Implementing and fine-tuning user authentication mechanisms.
2019 - 2025
Integrating external services and storage solutions (Google, AWS, Firebase).
Masters degree in Computer Science Testing and deploying new functionality into existing systems.
at Igor Sikorsky Kyiv Polytechnic Institute Ensuring system stability and security.
Coordinating work with other team members to achieve project goals.

Freelance Software Developer 2024 - present
Self-Employed

Developed solutions using diverse technologies, including .NET Core, C#,
Python, Flutter, JavaScript, and Java.
Designed and implemented SQL-database structures to meet specific project
needs.
Skills Built and integrated RESTful APIs and third-party services (Firebase, AWS).

.NET Core, C# Microservices, Clean Architecture Database Optimization

RESTful APIs Unit Testing (XUnit, NUnit) Cloud Integration (AWS, Google)

MSSQL, PostgreSQL CI/CD, Docker Code Refactoring

JWT, Firebase Auth Scrum/Agile Problem-Solving

Third-Party API Integration Git, GitHub Team Collaboration