Богдан

Poland, Warsaw

Bohdan [открыть контакты](см. выше в блоке «контактная информация»)

Kmennyy
[открыть контакты](см. выше в блоке «контактная информация»)
Bogdankmennyy
@L0RIK18

Middle Back-end Developer with solid experience in designing and developing scalable server-side solutions. Skilled in building reliable
RESTful APIs, implementing complex business logic, and optimizing database performance. Experienced with .NET, PHP, Java, and C++, as
well as modern frameworks and microservices-based architectures. Strong focus on clean, maintainable code, security, and performance.
Proactive team player who takes ownership of tasks, contributes to code quality, and delivers stable, production-ready solutions.

Student at the Polish-Japanese Academy of Information
Technology, majoring in computer science
2024-present time
Education
School education certificate
Secondary School № 4, Mykolaiv
2013–2023

Sales Manager
2023-2024
Foreign company (traffic management)
Dealing with clients, handling objections, communicating with clients

Online store (commodity business, Ukraine)
Current 2021-present
experience Managed marketing, sales, and logistics.
Sales growth, traffic management, supplier management.

Marketer (concrete plant, beauty specialist)
2022-2025
Service promotion, targeting, client acquisition.

Programming languages: C#, .NET / .NET Core, PHP, Java, C++
Development, maintenance, and documentation of RESTful APIs
Implementation of server-side business logic and integrations
Asynchronous and multithreaded programming
Experience with microservices architecture
Frameworks: ASP.NET Core, Entity Framework, Laravel, Spring Boot
Database design and optimization

Skills
MS SQL Server, PostgreSQL, MySQL
ORM: Entity Framework, Hibernate, Doctrine
SQL query optimization and indexing
Software design principles: SOLID, DRY, KISS
Architectural patterns: MVC, Clean Architecture
Authentication and authorization: JWT, OAuth
API and data security best practices
Git (GitHub / GitLab), code reviews
Docker, understanding of CI/CD pipelines
Linux (confident user)
Unit and integration testing
Requirements analysis and team collaboration
Refactoring and maintenance of existing codebases