Володимир

BRAZHNENKO VOLODYMYR VOLODYMYROVICH
.NET / Full-Stack Developer
Ukraine
Email, Teams: [open contact info](look above in the "contact info" section)
Phone, Telegram: [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
.NET Developer with 13+ years of experience designing, developing, and maintaining web applications, REST APIs, enterprise systems, and database-driven solutions.
Strong experience with C#, .NET, ASP.NET MVC/Web API, SQL Server, Entity Framework, JavaScript, jQuery, Vue.js, React, Bootstrap, Kendo and Azure. Experienced in developing scalable backend services, integrating third-party APIs, troubleshooting complex production issues, and writing automated unit tests.
Full-stack developer with strong analytical and problem-solving skills and experience working throughout the complete software development lifecycle.

TECHNICAL SKILLS
Languages: C#, SQL, JavaScript, TypeScript, HTML5, CSS3
.NET: .NET / .NET Core, ASP.NET MVC, ASP.NET Web API, Entity Framework, LINQ, REST APIs
Frontend: JavaScript, TypeScript, jQuery, Vue.js, React, AJAX, Bootstrap, Kendo, HTML5, CSS3
Databases: Microsoft SQL Server, MySQL, database design, stored procedures, queries, optimization
Cloud & Messaging: Microsoft Azure, Azure Service Bus
Testing: MSTest, Microsoft.VisualStudio.TestTools,.unit testing, mocking
API & Documentation: REST, JSON, Swagger / OpenAPI
AI: ChatGPT, Gemini, Copilot
Tools: Visual Studio, Git, AzureDevOps, Gira, NuGet, NPM
Other: UDP/networking, asynchronous programming, multithreading, debugging, performance optimization

PROFESSIONAL EXPERIENCE
.NET Developer
Qualer (now MasterControl) - California, USA
Asset Maintenance & Calibration Management Software
https://www.mastercontrol.com/asset/
2013 – 2026
• Design and develop enterprise applications using C# and .NET.
• Develop and maintain RESTful Web APIs and backend services.
• Implement business logic using clean and maintainable C# code.
• Work with SQL Server, including complex queries, stored procedures, and database optimization.
• Integrate external APIs and third-party services using REST/JSON.
• Implement asynchronous processing and messaging using Azure Service Bus.
• Develop automated unit tests using MSTest.
• Investigate and resolve production issues and performance problems.
• Maintain and improve existing legacy applications.
• Participate in code reviews and technical design discussions.
• Work with frontend technologies including JavaScript, jQuery, Vue.js,, AJAX, HTML, CSS, Kendo and Bootstrap.
• Create technical documentation and API specifications using Swagger/OpenAPI.
Software Engineer
InexUkrParquet — Chernihiv, Ukraine 2000 – 2013
• Development and implementation of a system for economic, accounting, and inventory control. System administration, CNC machine programming, vector graphics, 1C Accounting programming, training of technologists, accountants, and managers; implementation of an ISO 9001 quality management system.
Inspector of the IT Systems Department
Chernihiv Customs Office — Chernihiv, Ukraine1994 – 1997
• system administration, local area network installation, satellite communications system maintenance, development of customs information accounting software;

EDUCATION
Riga High Military Aviation Engineering School — Riga, USSR 1984-1989
LANGUAGES
• English — Upper-Intermediate
• Russian — Native
• Ukrainian —Native