I'm goot at C#, ASP.NET, JavaScript, CSS, .NET Core, Azure DevOps, RabbitMQ, MS SQL Server, PostgreSQL, GIT, TFS, WPF, Xamarin.Forms

I'm Alexander Velichkin

Remote .Net developer

A Sofware engineer with 10+ years of experience in designing web applications, maintaining performance, analyzing requirements and functionality.
I am an experienced in the back- (.NET, .NET Core) and front-end (Angular, jQuery) development, database management systems (MS SQL Server, PostgreSQL), and DevOps practices. I'm interested in growing as a distributed systems specialist.
In addition, I can boast of solid leadership and mentorship experience. I am a great communicator adept at collaborating with other stakeholders to ensure the architecture is aligned with business requirements.

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Employment history

TeamLead, Senior .Net Software Engineer

2022 - Present

Cendyn (via Altoros)
- Leading back-end team of 3-4 developers. Communicating with front-end team about architecture and data flow.
- Participation in the application of SCRUM practices in the team. Communicating with PO, PM, SM for business requirements clarification, sprint planning, estimating of tasks and user stories.
- Analyze and investigation of existing Legacy Web app (ASP.Net), Legacy desktop app (C++), Python scripts.
- Re-implementing business logics in new stack of technologies: .Net Core + Dapper + Vue.js.
- Communicating with the DevOps team to build CI/CD pipelines in Azure DevOps for front-end and back-end applications.
Technologies: C#, .Net Core, Dapper, MS SQL Server, NUnit, Moq, Vue.js, Git, GitFlow
Senior .Net Software Engineer

2020 - 2022

Trademarkia (via Altoros)
- Set up development and testing environments for existing web application and configured CI/CD pipelines using Azure DevOps.
- Integrated Facebook, Google & Amazon Login APIs to the web application.
- Integrated Stripe payment API and Paypal Payment API into web application.
- Participated in development of .Net Core -based API for Xamarin application.
- Improved MS SQL Server database performance.
- Implemented features with high business value. Fixed bugs in web application, background services, database scripts.
Technologies: C#, ASP.NET Web Forms, .Net Core Web API, DevExpress, Entity Framework 6, Dapper, MS SQL Server, jQuery, Git, Azure DevOps
Senior C# .NET Developer

2020 - 2020

ABL Vue (via Toptal)
- Set up development and testing environments for existing .Net Core + Angular + MS SQL Server application and configured CI/CD pipelines using Azure DevOps.
- Implemented PDF and XLS reporting modules with the ability to send reports by e-mail.
- Developed unit-tests for new and existing modules using NUnit.
- Completely re-designed Angular application using SCSS.
- Implemented data visualisation using Chart.js.
- Fixed bugs in modules that use Xero API for data synchronization.
Technologies: C#, .Net Core, Entity Framework Core, MS SQL Server, NUnit, Moq, Angular, Chart.js, Git, Azure DevOps
Senior C# .NET Developer

2018 - 2022

Debate.org (via Toptal)
- Eliminated spam by creating Regex-based, back-end service that communicates with web application via RabbitMQ and automatically filters user content.
- Integrated third-party services Google ReCaptcha, Analytics, AdSense and Taboola Ads, Pingdom, and SendGrid with a web application—resulting in increased revenue, performance, and accessibility.
- Increased a web application's load speeds by 40% that is running Classic ASP, ASP.NET WebForms, DevExpress, jQuery, and MS SQL.
- Developed tools for admins to create web pages using DevExpress HTML editor without involving programmer.
- Expanded and scaled development capabilities by introducing a new CI/CD process using Azure DevOps and set up new development and testing environments for existing web applications using AWS.
- Minimized downtime maintaining web applications and background services on AWS EC2 (Windows Servers) and RDS (MS SQL Server) machines.
Technologies: C#, ASP.NET Web Forms, DevExpress, Entity Framework 6, MS SQL Server, Classic ASP, jQuery, RabbitMQ, Git, Azure DevOps
Senior C# .NET and Xamarin.Forms Developer

2016 - 2018

Atos IT Solutions and Services, LLC.
- Developed web application using ASP.NET Web Forms and DevExpress components automating workflows for global real estate company. App tracked CapEx and OpEx movement and generated PDF and XLS reports.
- Streamlined operations building modules for Excel reporting using ComponentPro, developing Windows service to perform background long-processing operations, and creating Xamarin.Forms applying UI components.
- Optimized data sharing designing multi-platform library used by both Xamarin.Forms and ASP.NET MVC projects to synchronise, serialize, encrypt, and validate data sent between Android smartphones and server.
- Developed auto-synchronizing library using MS SQL Server and local MySQL databases enabling end-users to work offline and synchronise data with a server-side database at later intervals.
- Improved XLS and PDF reporting performance by reducing their generation time up to 50%.
- Designed and created a VBA MS Access application that is used by several users simultaneously with reports and authentication.
Technologies: C#, ASP.NET, Web Forms, ADO.NET, MS SQL Server 2012, DevExpress, ComponentPro, EVO PDF Toolkit, Xamarin.Forms, Prism, MVVM, Git, TFS
Senior WPF and C# Developer

2017 - 2017

Donation Kiosk (via Toptal)
- Produced a WPF application for touchscreens customizing controls such as buttons, labels, and list views.
- Saved countless hours adding auto-updating functionalities to a desktop WPF application using a PHP back end via JSON.
Technologies: WPF, Git, XAML, JSON
Senior C# .NET Developer

2016 - 2017

MotionGlass
- Programmed a desktop WPF application with an Intel RealSense camera and web-based admin panel using ASP.NET MVC and MS SQL Server.
- Created a WCF service for interaction between a WPF application and a web-based admin panel for remote access.
Technologies: C#, .Net, ASP.NET MVC, WPF, WCF, Kinect 2, Intel RealSense, MS SQL Server, Entity Framework 6, Git
Load-testing Engineer

2016 - 2016

Home Credit and Finance Bank, LLC.
- Enhanced performance by creating test plans for load-testing using JMeter and scripts with Python 3 for a log file analysis.
- Prepared sample data for test plans using the Oracle database.
Technologies: JMeter, Python 3, Oracle, Git
ActionScript 3 and C# .NET Developer

2012 - 2016

BI-Leasing, LLC.
- Streamlined operations, architecting internal application to automate processes with role-based access using PostgreSQL, ASP.NET Web API, AngularJS, and FastReport .NET.
- Developed an advertisement application using Kinect 2, WPF, and ASP.NET MVC boosting visibility.
- Built an internet kiosk application with WPF permitting on-line banking for existing customers.
- Created a cartographic application using the OpenStreetMap API and ActionScript 3.0 for Windows, Android, and iOS platforms.
- Accelerated knowledge sharing developing a library of ActionScript 3 UI components were used by multiple teams across different projects.
Technologies: C#, .NET, WPF, Web API, LINQ, AngularJS, FastReport .NET, Kinect 2, Entity Framework 6, MS SQL Server, PostgreSQL, ActionScript 3, Git, SVN, Visual Studio

Education

Master of Science (MS) – Information Systems & Technologies

Voronezh State Technical University - Voronezh, Russia. 2013

Bachelor of Science (BS) – Information Systems & Technologies

Voronezh State Technical University - Voronezh, Russia. 2011

Certifications

Become an ASP.NET Core Developer

LinkedIn Learning

Microsoft

March, 2020 - Present

Verify

TeamLead, Senior .Net Software Engineer

Senior .Net Software Engineer

Senior C# .NET Developer

Senior C# .NET Developer

Senior C# .NET and Xamarin.Forms Developer

Senior WPF and C# Developer

Senior C# .NET Developer

Load-testing Engineer

ActionScript 3 and C# .NET Developer

Master of Science (MS) – Information Systems & Technologies

Bachelor of Science (BS) – Information Systems & Technologies

Become an ASP.NET Core Developer

ASP.NET Core New Features

ASP.NET Core: Middleware

ASP.NET Core: Razor Pages

ASP.NET Core: Security

ASP.NET Core: Test-Driven Development

Building and Securing RESTful APIs in ASP.NET Core

Deploying ASP.NET Core Applications

Learning Entity Framework Core

Learning ASP.NET Core MVC

Microsoft Certified Solutions Associate

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