Aleksandr is available for hire

Aleksandr Dolgov

Verified Expert in Engineering

Software Developer

Yerevan, Armenia

Toptal member since August 24, 2022

Expertise

Software Development Full-stack Web Development Git C#.NET ASP.NET REST API GitHub Angular OAuth AWS Textract

Bio

Aleksandr is a software developer with over ten years of experience working from junior to leadership positions. He is proficient in the .NET stack and has an engineer's degree in computer science and a professional degree in engineering management. Aleksandr has worked on various projects, including web apps using .NET with modern front-end frameworks such as Angular, React, or Vue; mobile apps using Xamarin; and complex integration projects using cloud technologies such as Azure and AWS.

Portfolio

Freelance Clients

Angular, Web API, .NET 6, Xamarin.Forms, Blazor, SQL Server DBA...

TrackMan

.NET Core, .NET 5, OAuth 2, IdentityServer 4, MongoDB, Web API 2, React...

Navicon

.NET, Entity Framework, SQL Server DBA, ASP.NET MVC, Dynamics CRM 2011...

Experience

.NET - 10 years
Entity Framework - 10 years
C# - 10 years
Microsoft Dynamics - 6 years
Web API - 6 years
OAuth 2 - 4 years
Azure - 4 years
Angular - 3 years

Availability

Part-time

Preferred Environment

.NET, C#, Angular, Xamarin

The most amazing...

...application I've developed as part of a team is TrackMan Soccer, an app that helped the Denmark National Football Team show good results in the Euro 2020.

Work Experience

Senior Full-stack Developer

2021 - PRESENT

Freelance Clients

Led the team in migrating a staff management portal from the old technical stack to a new one and creating a new vendor portal from scratch using the .NET Web API and Angular stack.
Managed the team in creating an expert management system and integrating it with Twilio, SendGrid, and MS Dynamics CRM.
Fixed bugs and implemented features to a startup app for renting parking spaces, including the web portal and iOS/Android applications.

Technologies: Angular, Web API, .NET 6, Xamarin.Forms, Blazor, SQL Server DBA, Entity Framework Core, AWS Lambda, Amazon Textract, Amazon CloudWatch, SendGrid API, Twilio API, HTML, HTML5, C#.NET, Microsoft SQL Server, ASP.NET, Stripe, .NET 4, SQL, Azure SQL, Full-stack, CSS, Microsoft Dynamics CRM, Amazon Web Services (AWS), Microservices Architecture, Continuous Delivery (CD), Test-driven Development (TDD), GitHub, Bitbucket, User Interface (UI), API Integration, RabbitMQ, Bootstrap, ASP.NET Web API, Web Development, Full-stack Development, Serverless Architecture, Architecture, Front-end Architecture, Software Design, Back-end APIs, DevOps, APIs, REST APIs, Git

Senior Software Developer

2018 - 2020

TrackMan

Created an architecture of the TrackMan Soccer system from scratch.
Implemented the system's back end, integrations with iPad applications, and web portals.
Assisted the mobile team in synchronizing data between the devices and the server on an iPad application.
Led the development of two applications for football and American football practice sessions from beginning to production.

Technologies: .NET Core, .NET 5, OAuth 2, IdentityServer 4, MongoDB, Web API 2, React, TypeScript, Unit Testing, Azure, Azure Functions, Azure Event Hubs, Azure Service Bus, Microservices, Azure Blob Storage API, Xamarin.iOS, Azure DevOps, CI/CD Pipelines, HTML, HTML5, C#.NET, Microsoft SQL Server, ASP.NET, .NET 4, SQL, Full-stack, CSS, Microservices Architecture, Event-driven Architecture, Event-driven Programming, Continuous Delivery (CD), Docker, NoSQL, Test-driven Development (TDD), GitHub, User Interface (UI), API Integration, Bootstrap, ASP.NET Web API, Web Development, Full-stack Development, Serverless Architecture, Architecture, Front-end Architecture, Software Design, Back-end APIs, DevOps, APIs, REST APIs, Git

Senior Software Engineer Team Lead

2015 - 2018

Navicon

Managed a team of three developers in implementing a Dynamics CRM project for Deloitte's Moscow branch.
Led a team of 11 people, comprising analysts, developers, and testers, for one year, successfully modernizing the existing system for a bank's point of sales based on Microsoft Dynamics CRM.
Oversaw a team of three developers in implementing a Dynamics CRM project for the largest Russian news company TASS.

Technologies: .NET, Entity Framework, SQL Server DBA, ASP.NET MVC, Dynamics CRM 2011, Dynamics CRM 2013, Dynamics CRM 2015, Dynamics CRM 365, JavaScript, SignalR, Windows Communication Foundation (WCF), Web API, OData, HTML, C#.NET, Microsoft SQL Server, ASP.NET, SQL, Full-stack, MySQL, CSS, Microsoft Dynamics CRM, Bitbucket, User Interface (UI), API Integration, ASP.NET Web API, Web Development, Full-stack Development, Architecture, Software Design, APIs, REST APIs, Git

Senior Software Engineer

2012 - 2015

CMD-soft

Developed a portal for all points of sales of one of the largest banks in the Tatarstan region.
Fixed bugs as a support team developer for multiple projects.
Engaged in architecture discussions and presale activities.

Technologies: Dynamics CRM 2011, Dynamics CRM 2013, .NET, ASP.NET MVC, SQL Server DBA, JavaScript, jQuery, Entity Framework, HTML, C#.NET, Microsoft SQL Server, ASP.NET, SQL, Full-stack, CSS, Microsoft Dynamics CRM, User Interface (UI), API Integration, Web Development, Full-stack Development, APIs, REST APIs, Git

Experience

Managers and Vendors Portals for a Market Research Company

Two big management system portals for a market research company, including a managers' portal for managing vendors and processes and a vendors' portal for submitting surveys and managing their schedules. I implemented both portals with .NET 6 and Angular on the front end and MS SQL Server for its database.

A System for Connecting Businesses with Experts

https://www.focalfact.com/

A web application for connecting different kinds of businesses with experts in relevant fields and portals for clients and experts to manage their schedules and book appointments, which I implemented with .NET Web API, React, and Blazor.

A Marketplace for Renting Parking Spaces

A startup app for renting parking spaces, for which I fixed bugs and added new web and iOS/Android features. The web app is a legacy monolith implemented with ASP.NET MVC with Razor pages using MS SQL Server, while the mobile apps were Xamarin.Forms projects.

MVP for Blazor Real Estate Application

A web application implemented with Blazor WebAssembly: a unified tool for buyers, sellers, and agents in the real estate market. The back end uses a web API and Microsoft SQL Server. The application has role-based authentication areas for different users to perform specific operations.

Education

2015 - 2016

Professional Degree in Engineering Management

National Research University: Higher School of Economics - Moscow, Russia

2005 - 2010

Engineer's Degree in Computer Science

Institute of Cryptography, Telecommunications, and Computer Science - Moscow, Russia

Certifications

MARCH 2015 - PRESENT

Managing Microsoft Dynamics Implementations

Microsoft

APRIL 2014 - PRESENT

MCPS: Microsoft Certified Professional

Microsoft

Skills

Libraries/APIs

Entity Framework, Web API, Web API 2, Back-end APIs, REST APIs, jQuery, React, Azure Blob Storage API, SendGrid API, Twilio API, SignalR, Xamarin.iOS, Stripe

Tools

GitHub, Git, Amazon Textract, Amazon CloudWatch, Microsoft Dynamics, Microsoft Dynamics CRM, Bitbucket, RabbitMQ

Languages

C#, HTML, C#.NET, JavaScript, TypeScript, HTML5, SQL, CSS

Frameworks

.NET, Angular, ASP.NET MVC, .NET Core, .NET 5, .NET 6, Entity Framework Core, ASP.NET Core, ASP.NET, .NET 4, ASP.NET Web API, OAuth 2, IdentityServer 4, Blazor, Bootstrap, Razor

Paradigms

Agile Software Development, Unit Testing, Microservices, Azure DevOps, Microservices Architecture, Continuous Delivery (CD), Test-driven Development (TDD), Serverless Architecture, DevOps, Event-driven Architecture, Event-driven Programming

Platforms

Azure, Azure Functions, Azure Event Hubs, AWS Lambda, Xamarin, Amazon Web Services (AWS), Docker

Storage

Databases, SQL Server DBA, MongoDB, Microsoft SQL Server, Azure SQL, MySQL, NoSQL

Other

Software Development, Full-stack, API Integration, Web Development, Full-stack Development, Architecture, Front-end Architecture, Software Design, APIs, Software Development Management, Dynamics CRM 2011, Dynamics CRM 2013, Dynamics CRM 2015, Dynamics CRM 365, Windows Communication Foundation (WCF), OData, Azure Service Bus, CI/CD Pipelines, User Interface (UI), Networks, Xamarin.Forms

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