Zafarbek Ibrohimov, Developer in Chicago, IL, United States
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Zafarbek Ibrohimov

Verified Expert  in Engineering

Software Developer

Chicago, IL, United States
Toptal Member Since
August 3, 2016

With over a dozen years of experience, Zafar is a passionate software engineer who has designed, implemented, and adopted technically sophisticated applications mainly using the .NET platform. He is also a Microsoft Certified Solutions Expert (MCSE) in web applications. Zafar's recent leadership experience and solid practical background in IT, software engineering, and project management make him extremely capable of working on projects of any size in various roles.


Forte Group
SQL Server 2014, JavaScript, Vue 2, .NET, Vue, Blazor, Single Sign-on (SSO)...
Amazon Web Services (AWS), Windows, Microsoft SQL Server, XML, SignalR, CSS3...
Synergy Sports Technology
ANTLR, Swagger, MySQL, Less, CSS3, HTML5, JavaScript, MongoDB, Angular...




Preferred Environment

Angular, Azure, .NET

The most amazing...

...piece of software I've created searches the whole internet and finds the best fashion deals matching your style, taste, and budget.

Work Experience

Senior Software Engineer

2018 - 2023
Forte Group
  • Created a sophisticated and highly customizable ETL tool using .NET and SQL Server that transforms data from an entity-attribute-value (EAV) model to a standard relational data model for analytics purposes.
  • Maintained and troubleshooted solutions built on .NET and residing on Azure Service Fabric, Azure Functions, Azure SQL Server, Azure Cosmos DB, and other Azure services.
  • Applied enhancements to data exportation tools designed to export complex data from SQL Server to various other formats such as Excel and XML.
  • Took charge of responsive front-end development with Bootstrap and single-page application development with Angular.
  • Worked as a principal engineer in a large golf-related SaaS product.
  • Managed extensive SQL server databases and interconnected large APIs.
  • Performed the primary front-end operations in Vue, as well as front-end architecture and refactoring.
Technologies: SQL Server 2014, JavaScript, Vue 2, .NET, Vue, Blazor, Single Sign-on (SSO), C#.NET, Full-stack, ASP.NET, Entity Framework, LINQ, SQL Server DBA, DevOps, Azure, Agile, AWS Lambda, APIs

Software Engineer | Engineering Manager

2013 - 2020
  • Built and maintained an API utilizing the web API platform designed for mobile applications.
  • Migrated from a NoSQL-based database (Sqrrl) solution to an SQL-based database (SQL Server) environment to support future and current business needs.
  • Implemented a clustered database environment and failover system using Windows and SQL Server; the cluster included six interconnected computers to deliver maximum server performance and zero downtime.
  • Developed 100+ pages of responsive website infrastructure using Bootstrap, HTML/CSS, and JavaScript, enabling improvements in usability and accessibility by the end users.
Technologies: Amazon Web Services (AWS), Windows, Microsoft SQL Server, XML, SignalR, CSS3, HTML5, Less, Bootstrap, JavaScript, ASP.NET Web API, ASP.NET MVC, .NET, C#, C#.NET, Full-stack, ASP.NET, Entity Framework, LINQ, SQL Server DBA, DevOps, AWS Lambda

Senior Software Engineer

2015 - 2018
Synergy Sports Technology
  • Architected and developed a web-based real-time baseball analytics and report-generating application powered by Angular 5 and ASP.NET Web API 2.
  • Led the design of a MongoDB database system that successfully migrated data from existing MySQL relational database, streamlining data management processes.
  • Conceptualized and built a software platform comprised of billions of database records (baseball and basketball statistics for multiple leagues), enabling accurate, responsive reporting.
  • Acted as a team lead for various continuous improvement efforts to enhance the flexibility and robustness of reporting capabilities across multiple functions and APIs.
Technologies: ANTLR, Swagger, MySQL, Less, CSS3, HTML5, JavaScript, MongoDB, Angular, ASP.NET MVC, ASP.NET Web API, .NET Core, .NET, C#, Single Sign-on (SSO), C#.NET, Full-stack, ASP.NET, Entity Framework, LINQ, SQL Server DBA, DevOps, AWS Lambda, APIs

Software Engineer

2013 - 2015
  • Innovated a software platform designed to crawl the internet, locating the best fashion deals that match defined user requirements and budgets.
  • Developed an interactive Node.js-based text and video chat utilized by five million people monthly.
  • Facilitated cloud-based technologies, including AWS and Azure, popular APIs from Google and Facebook, and standard payment gateways such as and PayPal.
Technologies: Amazon Web Services (AWS), HTML, Payment APIs, MySQL, MongoDB, Microsoft SQL Server, Azure, WordPress, PHP, SignalR, CSS3, HTML5, Socket.IO, Node.js, JavaScript, ASP.NET Web Forms, ASP.NET MVC, .NET, C#, C#.NET, Full-stack, ASP.NET, Entity Framework, LINQ, DevOps


I developed software within a collaborative Agile environment, partnering with an interdisciplinary group of developers to support a diverse end-user population. I led a team of five senior software developers.

Synergy Sports Tech

I collaborated with the leadership and technical personnel to initiate and spearhead system improvements and enhancements. I also worked with business and technology groups to refine requirements and functional specifications.

Donnelley Financial Solutions

I developed solutions to support current efforts of modernization and enhancements across various software systems. I also maintained an exiting platform running on Azure and supported the development of code and unit tests in a continuously integrated environment.


I led a team of six multidisciplinary developers in performing software engineering functions within a fast-paced environment, successfully executing several product releases. I also hired, mentored, and trained personnel according to the cost, time, and quality specifications.


I executed SDLC for a software company serving a broad range of clients with custom-built, multiproduct technology applications. I collaborated across multiple functions to gather and translate complex user requirements into actionable project roadmaps. I was also a key contributor to large, multi-faceted projects such as social networks and eCommerce platforms.

Founder and CEO

I helped small to mid-sized businesses build great products, solve complex solutions, and extend their teams while taking care of the people, products, and profits in that order. I developed apps in .NET, Vue, Node.js, and React.
2015 - 2018

Master's Degree in Management Information Systems

DeVry University - Los Angeles, California, USA

2007 - 2011

Bachelor of Science Degree in Business Information Systems

University of Westminster - Tashkent, Uzbekistan


Microsoft Certified Solutions Expert



jQuery, SignalR, Moq, Entity Framework, LINQ, Vue 2, React, Vue, Node.js, Socket.IO, Web API 2


Microsoft Visual Studio, Git, AWS SDK, ANTLR


.NET Core, Redux, Swagger, ASP.NET Web API, Entity, Bootstrap, .NET, ASP.NET MVC, ASP.NET, Angular, Blazor, ASP.NET Web Forms, Windows Presentation Foundation (WPF)


CSS, HTML, Less, Sass, ASP.NET Razor, SQL, JavaScript, C#, C#.NET, XML, T-SQL (Transact-SQL), HTML5, CSS3, PHP


Continuous Integration (CI), Continuous Deployment, Test-driven Deployment, Event Sourcing, CQRS, Design Patterns, Domain-driven Development, Microservices Architecture, Serverless Architecture, Microservices, Unit Testing, Object-oriented Programming (OOP), Agile Software Development, Agile, Management, Agile Project Management, DevOps, Test-driven Development (TDD), Azure DevOps


Windows 7, Microsoft, Amazon Web Services (AWS), Azure Service Fabric, Azure Functions, AWS Lambda, Windows, Azure, Docker, Azure Event Hubs, Oracle, WordPress


Databases, Azure SQL, Azure Cosmos DB, Azure Blobs, Amazon S3 (AWS S3), JSON, Microsoft SQL Server, MongoDB, Azure SQL Databases, SQL Server DBA, SQL Server 2014, Oracle PL/SQL, Redis, MySQL, SQL Server 2016

Industry Expertise

Project Management


Back-end, Enterprise Design, Serverless, Enterprise Architecture, SOLID Principles, Windows Communication Foundation (WCF), Software Development, Management Information Systems (MIS), Information Systems, Leadership, IT Projects, IT Project Management, CTO, CEO, Engineering Management, Team Leadership, Remote Team Leadership, Architecture, APIs, Single Sign-on (SSO), Full-stack, Payment APIs, CI/CD Pipelines, Networking, eCommerce, Microsoft Azure, Bitcoin

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