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Богдан
.NET-розробник
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Bohdan Olenin
Date of Birth: June 1, 2005
Place of Birth: Ukraine, Rivne region, Sarny city
Citizenship: Ukrainian
Marital Status: Single
Skills & Technologies
Programming Languages
C# — confident use in backend development, REST APIs, domain-driven design
Python — basic level (scripting, fundamentals, teaching basics)
Backend Development
ASP.NET Core — building RESTful Web APIs, controllers, middleware, filters
Entity Framework Core — code-first approach, migrations, relationships, PostgreSQL &
SQL Server providers
Blazor — building server-side and web UI applications
LanguageExt — functional programming concepts (Option, Result, immutability)
Architecture & Design
Clean Architecture / Layered Architecture
Domain-Driven Design (DDD) — entities, value objects, aggregates, domain services
SOLID principles — applied in projects
Design Patterns — Repository, Unit of Work, Mediator, Factory, Decorator, Strategy
Architectural Patterns — MVC, MVVM
Databases
PostgreSQL — main database for REST API projects
Microsoft SQL Server — relational database design and querying
Designing relationships, foreign keys, constraints, migrations
Testing
Integration Testing for REST APIs
xUnit — test framework
FluentAssertions — expressive and readable assertions
Testing CRUD operations, validation scenarios, and error cases (404, conflict, etc.)
Frontend & API Integration
REST API consumption from React
Working with HTTP requests (fetch)
Understanding of DTOs, request/response models
CORS configuration and client-server interaction
Basic React (JSX) — state, hooks, API integration
DevOps & Containerization
Docker — containerizing backend applications and databases
Docker Compose — running API + PostgreSQL locally
Environment configuration for development
Tools & Workflow
Visual Studio, Visual Studio Code
Git, GitHub — branches, commits, pull requests, code reviews
Debugging backend and integration issues
API testing and troubleshooting
Deployment & CI/CD
Basic understanding of CI/CD pipelines
Running applications in a local containerized environment
Preparing backend services for deployment
Professional Experience
2022 – Sales Manager at Moon Labs Tech
2024 – Teacher at Logika, Ostroh
Education
2023 – Present – National University of Ostroh Academy
● Specialty: “Computer Science” – 122
● Full-time studies, 3nd year
Community Work Experience
2024 – Mentor at children’s camp “Dyvokrai”
2024 – Volunteer of student movement “Campus Ostroh”
Languages
● Ukrainian – Fluent (C1)
● English – Intermediate (B1)
● Polish – Basic (A2)
📞 Phone: [
✉️ Email: [
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