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

Software Developer in Chicago, IL, United States

Member since August 3, 2016
With a dozen years of experience, Zafarbek 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. Zafarbek's strong practical background in IT, software engineering, and project management makes him extremely capable of working on projects of any size.
Zafarbek is now available for hire




Chicago, IL, United States



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.


  • Senior Software Engineer

    2020 - PRESENT
    NBC Universal
    • Worked as a principal engineer in a large GOLF-related SaaS product.
    • Managed big SQL server databases and interconnected large APIs.
    • Performed the main front-end operation in Vue.js, front-end architecture, and refactoring.
    Technologies: SQL Server 2014, JavaScript, Vue 2, .NET, Vue
  • Senior Software Engineer

    2018 - PRESENT
    Donnelley Financial Solutions
    • Enhanced the data exporting systems that generate XML and Excel outputs based on an extremely complex data schema.
    • Designed and developed new API systems based on .NET Core and SQL Server database.
    • Supported and troubleshot current solutions residing on Azure Service Fabric, Azure Functions, Azure SQL Server, Cosmos DB, and other Azure services.
    Technologies: Serverless Architecture, Microservices Architecture, Angular, JavaScript, Redis, Microsoft SQL Server, ASP.NET MVC, .NET Core, C#, Azure
  • Senior Software Engineer

    2016 - 2018
    Synergy Sports Tech
    • Led the design of a MongoDB database system that successfully migrated data from an existing MySQL relational database which streamlined the data management processes.
    • Conceptualized and built a software platform comprised of billions of database records—baseball and basketball statistics for multiple leagues—enabling accurate and responsive reporting.
    • Led a team in various continuous improvement efforts to enhance the flexibility and robustness of reporting capabilities across multiple functions and APIs.
    • Architected and developed a web-based real-time application that used baseball analytics and generated reports, powered by Angular 5 and ASP.NET Web API 2.
    Technologies: ANTLR, Swagger, MySQL, Less, CSS3, HTML5, JavaScript, MongoDB, Angular, ASP.NET MVC, ASP.NET Web API, .NET Core, .NET, C#
  • Senior Software Engineer

    2015 - 2016
    • Engineered several Angular 2-based interactive single-page applications related to online betting and game playing experience, leading to a more responsive user experience.
    • Devised and deployed a Redis-based caching solution that sped up the website speed four times.
    • Leveraged third normal form (3NF) to optimize database structure, including queries and functions designed to improve SQL Server database performance.
    • Implemented secure payment methods in a system using numerous payment gateways.
    Technologies: Social APIs, Payment APIs, Redis, Microsoft SQL Server, SignalR, Sass, CSS3, HTML5, JavaScript, Angular, ASP.NET Web API, ASP.NET MVC, .NET, C#
  • Software Engineer | Engineering Manager

    2013 - 2015
    • Built and maintained an API utilizing the Web API platform that is designed for mobile applications.
    • Migrated from a NoSQL-based database solution—Sqrrl—to a SQL-based database environment—SQL server—to support future and current business needs.
    • Implemented a clustered database environment and failover system using Windows and SQL servers. The cluster included six interconnected computers to deliver maximum server performance and zero downtime.
    • Developed 100+ pages of a responsive website infrastructure using Twitter-Bootstrap, improving end-user usability and accessibility.
    Technologies: Amazon Web Services (AWS), Windows, AWS, Microsoft SQL Server, XML, SignalR, CSS3, HTML5, Less, Bootstrap, JavaScript, ASP.NET Web API, ASP.NET MVC, .NET, C#
  • Software Engineer

    2009 - 2013
    • Innovated a software platform designed to crawl the internet and locate the best fashion deals that match user requirements and budget.
    • Developed an advanced interactive Node.js-based text and video chat used by five million people monthly.
    • Facilitated the use of cloud-based technologies to include AWS and Azure, popular APIs from Google and Facebook, and common payment gateways, such as Authorize.Net and PayPal.
    Technologies: Amazon Web Services (AWS), HTML, Social APIs, Payment APIs, MySQL, MongoDB, Microsoft SQL Server, AWS, Azure, WordPress, PHP, SignalR, CSS3, HTML5, Socket.IO, Node.js, JavaScript, ASP.NET Web Forms, ASP.NET MVC, .NET, C#


  • UltraPlay

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

  • 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.

  • Medyear

    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.

  • Quadevs

    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.


  • Languages

    CSS, HTML, Less, Sass, ASP.NET Razor, SQL, JavaScript, C#, XML, T-SQL, HTML5, CSS3, PHP
  • Frameworks

    .NET Core, Redux, Swagger, ASP.NET Web API, Entity, Windows Communication Framework (WCF), Bootstrap, .NET, ASP.NET MVC, Angular, ASP.NET Web Forms
  • Libraries/APIs

    jQuery, SignalR, Vue 2, React, Vue, Node.js, Socket.IO
  • Tools

    Microsoft Visual Studio, Git, AWS SDK, ANTLR
  • Paradigms

    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, Test-driven Development (TDD), Azure DevOps
  • Platforms

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

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

    Project Management
  • Other

    Back-end, Enterprise Design, Serverless, Enterprise Architecture, SOLID Principles, Software Development, Management Information Systems (MIS), Information Systems, Leadership, Payment APIs, CI/CD Pipelines, Networking, AWS


  • Master's Degree in Management Information Systems
    2015 - 2018
    DeVry University - Los Angeles, California, USA
  • Bachelor of Science Degree in Business Information Systems
    2007 - 2011
    University of Westminster - Tashkent, Uzbekistan


  • Microsoft Certified Solutions Expert
    MARCH 2018 - PRESENT

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