.Net Core Sql Server

Vitalii Vynnyk

Austin, TX

Phone: 936-***-**** Email: *******.******@*****.***

LinkedIn: www.linkedin.com/in/vitalii-vynnyk-2b940b168 SUMMARY OF QUALIFICATIONS:

Experienced software developer with over a decade of hands-on experience specializing in

.NET, .NET Core, C#, and SQL. I’ve consistently delivered high-performance solutions and improved usability across various projects. I’m quick to learn new technologies and adapt to different methodologies, with skills that include Telerik Web Controls and unit testing. Currently open to relocating anywhere in the U.S.

SKILLS:

Programming Languages/Technologies

• C#/ASP.NET/ADO.NET/Windows Forms/Web Services, .Net Core

• JavaScript/TypeScript/HTML/CSS/JQuery

• XML/XSL/PDF

• NodeJS (NestJS, JestJS)

• HTTP/HTTPS, WPF

• ASP.NET WebForms, NodeJS, ASP.NET Core Web API, WinForms, WPF, C, Win32 API, Frameworks

• .NET, .NET WinForms, WPF, Entity Framework

• AngularJS, TypeORM

RDBMS

• SQL Server/SQL/TSQL, MS SQL Server, MySQL/Redis

Development Tools

• Visual Studio, Visual Studio Code

• SQL Server Management Studio

• Git, TFS

Reporting Tools

• DevExpress, Crystal Reports

Methodologies

• Agile (SCRUM), Pair programming

Architecture Approaches

• Layered Architecture, Web API, MVC, MVVM, Monolithic architecture, Clean Architecture Testing Tools

• Swagger, Postman, Fiddler, MS SQL Profiler, SonarQube PROFESSIONAL EXPERIENCE:

SoftServe

Software Engineer

September 2018 – August 2024

Lviv Region, Ukraine

PROJECT: CUSTOMER EXPERIENCE DATA INTEGRATION December 2021 – May 2024 RESPONSIBILITIES:

As a Full Stack Software Engineer, directed feature development and code optimization initiatives, resulting in a 20% improvement in performance and enhanced customer satisfaction. Developed features, improved and refactored existing functionalities, created UI controls, gathered requirements, modified SQL queries, integrated with third-party systems, conducted code reviews, and made key decisions. Extensively worked with Telerik Web Controls to improve UI efficiency and user experience. Enhanced and updated trigger features for various project types by adding 3 new trigger actions, criteria, and controls, leading to improved feature performance and increased customer satisfaction. Assisted junior developers, fostering a collaborative environment that supported their professional growth and project delivery.

TECHNOLOGIES:

ASP.NET WebForms, ASP.NET Core, .NET, Visual Studio, ADO.NET, Entity Framework, JavaScript, jQuery, Git, SQL Server, SonarQube, Telerik, TeamCity, Jira

PROJECT: DENTAL SOLUTION July 2020 – November 2021 RESPONSIBILITIES:

Developed RESTful APIs, integrated with third-party providers, contributed to project architecture, implemented features, conducted unit testing, reviewed code, and made strategic decisions. Integrated with a third-party app to implement FHIR service for medical data exchange, built the application from the ground up. TECHNOLOGIES:

NodeJS (NestJS), TypeScript, JestJS, TypeORM, Visual Studio Code, Git, SQL Server, TFS, Linter, VueJS, Electron, SonarQube, TeamCity, Swagger, Redis

PROJECT: DENTAL SOLUTION September 2018 – July 2020 RESPONSIBILITIES:

Implemented features and code enhancements, developed new WinForms modifications, executed SQL query implementations, and made key decisions. Prepared the application for Proctor Meaningful Use attestation. Enhanced application performance by 10% by adding an unset role feature to preserve database connection pooling using the dispose-finalize pattern.

TECHNOLOGIES:

C# WinForms, WPF, C, Win32 API, C#, .NET, Web Services, SQL Server, ODBC, ADO.NET, LINQ, TFS, Crystal Reports

OJSC Ternopiloblenerho

Software Engineer

August 2010 – September 2018

Ternopil region, Ukraine

PROJECT: PAYROLL AND FINANCIAL ACCOUNTING APPLICATION 2 years RESPONSIBILITIES:

Supported existing applications, implemented new features, modified databases, fixed bugs, and improved performance. Made strategic decisions and implemented new reports. TECHNOLOGIES:

C# WinForms, .NET, SQL Server, ODBC, ADO.NET, LINQ, DevExpress

PROJECT: COMPANY WEBSITE SUPPORT 1 year

RESPONSIBILITIES:

Provided support and maintenance for the company’s website, implemented new features, updated content, and ensured optimal performance. Managed both front-end and back-end development, troubleshot issues, and collaborated with the team to enhance user experience and website security.

TECHNOLOGIES:

Joomla, MySql, HTML, CSS

PROJECT: WPF TO WEB APPLICATION MIGRATION 1 year RESPONSIBILITIES:

Migrated applications to ASP.NET Core WEB API, developed frontend pages using AngularJS, interacted with and modified database schemas, developed APIs to replace legacy desktop communication protocols, ensuring efficient client-server communication. TECHNOLOGIES:

.NET Core Web API, AngularJS, .Net Core, Web Services, SQL Server, LINQ, Entity Framework Core, Git

PROJECT: ELECTRICAL NETWORK USERS ACCOUNTING APPLICATION 3 years RESPONSIBILITIES:

Developed WinForms applications, designed database architectures, implemented DevExpress reports, gathered and refined requirements, conducted testing, and fixed bugs. TECHNOLOGIES:

C# WinForms, .NET, SQL Server, ODBC, ADO.NET, LINQ, DevExpress, Web Services, Google Maps API

EDUCATION:

Ivano-Frankivsk National Technical University of Oil and Gas 2004 – 2009 Bachelor's and Master’s Degrees in Information Technologies CERTIFICATIONS:

AWS Certified Solutions Architect – Associate

LANGUAGES:

English: Full Professional Proficiency

Ukrainian: Native or Bilingual Proficiency

Russian: Bilingual Proficiency

Polish: Intermediate Proficiency

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