Владислав

Vladyslav Mrachkovskyi
Senior .NET Developer
Kyiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

SUMMARY
.NET Developer with 10+ years of hands-on experience building, maintaining, and optimizing complex
medical information systems.
Strong understanding of SOLID principles and Design Patterns, with a focus on developing scalable
and maintainable software.
Proficient in backend development using ASP.NET Core, REST Web APIs, and Background Services,
as well as desktop application development with WinForms.
Experienced in database design and SQL query optimization using Microsoft SQL Server.

SKILLS
 Languages & Frameworks: C#, .NET, ASP.NET Core, .NET Framework
 Databases & ORM: Microsoft SQL Server, Transact-SQL (T-SQL), Dapper, ADO.NET
 Architecture & Principles: SOLID, Design Patterns
 Desktop Development: WinForms
 Tools & Version Control: Visual Studio, SQL Server Management Studio, Postman, Git, GitLab
 CI/CD & Project Management: TeamCity, YouTrack
 Reporting Tools: Crystal Reports
 Familiar with: Entity Framework Core, WPF (basic knowledge)

EXPERIENCE
Anzer IT Healthcare | .NET Developer | Remote, Kyiv, Ukraine
Oct 2013 to Present
 Develop and maintain complex medical information systems, ensuring high performance, security,
and scalability.
 Design and implement clean, resilient backend services and Web APIs using ASP.NET Core and
Dapper based on SOLID principles and architectural patterns.
 Build and support complex desktop client-server applications utilizing WinForms and ADO.NET.
 Integrate internal system processes with external third-party services and APIs (e.g., insurance
claims, OCR systems).
 Design database schemas, write, and continuously optimize complex T-SQL stored procedures and
queries for MS SQL Server.

EDUCATION
National Technical University of Ukraine 'Kyiv Polytechnic Institute'
Bachelor's degree, Program Engineering | 2010 - 2014

LANGUAGES
 Ukrainian: Native
 English: Intermediate