Vitalii

Vitalii Yarema
C# .NET Senior Software Engineer

E-mail: [open contact info](look above in the "contact info" section)

Summary: C# .NET Senior Software Engineer with a full stack of C# .NET technologies from desktop to web and mobile applications, and more than 15 years experience. I can develop everything using C# .NET and Microsoft blessing.
Skills:
Languages: C# .NET as the main programming language since 2008, additional languages: C++ 5 years exp., Python – some months, JavaScript 10 years exp., PHP 3 years exp., React 5 years exp., Angular 5 years exp.
Software: The huge staff of software, including .NET Core, ASP.NET Core, WPF, WinForms, Windows Services, C++ WinAPI, DirectX, OpenGL, .Net, Blazor, REST API, CI/CD, Agile, ADO.NET, Entity Framework Core, MS SQL, Oracle, MySQL, PostgreSQL, MongoDB, Azure, AWS, Swagger, Jira, Git, SVN, Jenkins, Microsoft Excel API, SQL, HttpClient, JSON, XML, jQuery, Ajax, HTML5, CSS, Bootstrap, LINQPad6, Dbeaver, PL/SQL, T-SQL, Docker, React, Angular
Work experience:
Dec 2024 - Current
C# .NET Senior software engineer at Norvagian company. I do not disclose the name of the company I currently work. I work with web services. I use C# .NET, JavaScript, DevExpress, DevExtreme, Dapper, Swagger, MSSQL, Linq to database and others.
Dec 2023 – Nov 2024
Worked as a self-employed, living in the USA. Worked on different temporary projects, mostly using C# .NET.
Jun 2019 – Nov 2023
C# .NET Senior software engineer at GlobalLogic Ukraine but actually fulfilled the role of team leader and worked as the technical interviewer https://www.globallogic.com/ua/
Key responsibilities:
The first project in GlobalLogic. Worked for Australian branch of the company from the USA.
It was the mixed WinForms and WPF desktop application, created before.
I contributed to the design, development increasing application performance, fixed bugs from previous teams and implemented new functionalities in the application. Also contributed to MSSQL database adding new storage procedures, tables and others.
Additionally, developed a new console application for use in Jenkins jobs.

The second project in GlobalLogic. Worked for the company from Los Angeles, the USA. I have worked for 4 years.
It was a support team for web services run by manager from the company. I actually fulfilled the role of team leader from GlobalLogic team.
My responsibilities were to fulfill tickets to update data in Postgresql database, to fix bugs, to develop new functionalities for web services for purposes of automating processes of maintaining data. I contributed to development as in UI so in backend, added new web services, developed a new library in C# and developed new functions, updated existing functions, created new tables for Postgresql database.
In my work I used mostly C# .NET and SQL, but also used JavaScript, React, Liquid.
Also used additional tools such as LINQPad7, DBeaver and others.
May 2018 - Jun 2019
C# .NET software engineer in Enamine Ltd company http://ua.enamine.net
Key responsibilities: Supporting existing CRM/ERM program and developing new features for it. Used SVN, WinForms, WPF, Oracle database, PL/SQL, stored procedures, functions, Serial Port, Win32 dll import, nuget packages, read and write PDF, Excel files, used Templates in C#, XAML, connecting barcode scanners through com port and others.
Have made huge changes to existing application, implemented new features and also created a lot of new stored procedures for Oracle database.
Oct 2017 - Apr 2018
C# .NET developer in EPAM Systems (Ukrainian branch).
Key responsibilities: In pre-production lab was involved in ASP.NET Web API single page application project with AngularJS in frontend. Used also Entity Framework, SignalR, JavaScript, HTML, CSS, Team City, Jira, Agile, SCRUM.
May 2017 - Aug 2017
C# .NET developer in DDC Digital Solutions http://ddc-ds.com. The internal web site project of Brandbank https://www.brandbank.com
Key responsibilities:
Added new packages to existing internal web site.
Created new classes at the backend of C# ASP.NET MVC application, created new packages in frontend using TypeScript, created new Stored Procedures in MSSQL database. Jira, Git.
Apr 2017 - May 2017
C# .NET developer in Breeze software http://breeze-soft.com
Key responsibilities:
Supporting and modifying existing web site of municipal department of Los Angeles, CA, written in C# ASP.NET MVC, added new functionalities to it, used of geographic information systems (GIS) for this web site.
Added new classes in backend to add new functionalities, modified frontend in accordance with tasks. In frontend used JavaScript, Razor.
Sep 2014 - Apr 2017
PHP developer in Sitam Ltd. Developed some Web sites and developed more than 10 modules for a popular CMS OpenCart, such as a popup cart, a filter module and others. Used PHP, SQL, MySQL, JavaScript, jQuery, Ajax, HTML, CSS
Aug 2008 - Aug 2014
C# .NET developer self-employed. Developed from the scratch to release more than 10 fully functional desktop applications for Windows OS. Implemented reading and writing Microsoft Excel files, connecting applications to remote database servers and others. Created an application for parsing, grabbing data from Web sites, especially for e-commerce. Developed apps for importing and exporting data to OpenCart e-commerce database. Created some applications using C++ WinAPI, developed Windows services.
Used WinForms, WPF, ADO,NET, MySQL, Microsoft Excel API, SQL, WebClient, REST, JSON, GeckoFX API (Mozilla Firefox engine), ADO.NET, XML, MS SQL Compact.
Education:
2001 - 2002
C/C++ programmers' courses
2002 - 2008
Self mastered: C# .NET, PHP, SQL, HTML, CSS, JavaScript.
2016
Finished online courses of Harvard University CS50x at edx.org
2016 - 2019
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Faculty of Informatics and Computer Science, Bachelor degree of Computer science, Program Subject Area: Software engineering.