Cecil Cossey, Developer in Hamburg, AR, United States
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Cecil Cossey

Verified Expert  in Engineering

Full-stack Developer

Hamburg, AR, United States

Toptal member since December 7, 2021

Bio

Cecil is an entrepreneur who has worked at all levels of software development as a database architect, team lead, and business owner. He is an expert in .NET, C#, and SQL Server with a passion for building teams and solving complex problems. He had developed apps with rich, multi-level functions, delivered flawless integrations, and trained clients to effectively use his tools. Cecil is quick to adjust to a client's needs, being well versed in a multitude of languages and platforms.

Portfolio

Cossey Web Solutions
.NET 5, C#, SQL, HTML5, CSS, JavaScript, Google Cloud, Web API...
The Learning Institute
VB, C#, SQL, HTML5, CSS, JavaScript, Visual Studio, SOAP...

Experience

  • SQL - 15 years
  • C# - 15 years
  • JavaScript - 15 years
  • .NET - 15 years
  • jQuery - 10 years
  • Web Scraping - 10 years
  • Web API - 7 years
  • .NET 5 - 1 year

Availability

Part-time

Preferred Environment

Windows, Visual Studio, SQL, C#, .NET, Web API, Web App Design

The most amazing...

...project I worked on was a web app that provided an offline Google Classroom, allowing rural schools with limited bandwidth to thrive during a pandemic.

Work Experience

Owner and Full-stack Developer

2014 - PRESENT
Cossey Web Solutions
  • Developed an application that provides scheduling, curriculum, instruction, offline Google Classroom downloads, discipline tracking, inventory tracking, and full student information systems integration between Google Cloud and IBM Cognos to schools.
  • Trained school administrators and teachers on the most efficient ways to use the application and the most efficient team structures within the school to encourage team building.
  • Provided support to over 10,000 users for over 150,000 lines of code.
Technologies: .NET 5, C#, SQL, HTML5, CSS, JavaScript, Google Cloud, Web API, Entity Framework Core, OAuth 2, Databases, Google Cloud API, Facebook API, X (formerly Twitter) API, Entity Framework, ASP.NET, ASP.NET Web Forms, Visual Studio 2015, Visual Studio 2019, Software, C#.NET, ASP.NET MVC, Microsoft SQL Server, MVC Design, ASP.NET Core, .NET Core

Senior Full-stack Developer

2005 - 2014
The Learning Institute
  • Led a team of developers with duties including scheduling, architecting, designing, monitoring, and reviewing work.
  • Developed a suite of web applications providing assessment building and data report tools to over 125 schools districts in the state of Arkansas.
  • Assisted in designing algorithms, which performed at 85% accuracy, to predict future performance on standardized assessments by individual students.
  • Received the Arkansas Business of the Year Award in 2010.
Technologies: VB, C#, SQL, HTML5, CSS, JavaScript, Visual Studio, SOAP, Object-oriented Programming (OOP), Software Development Lifecycle (SDLC), Agile Software Development, Databases, Entity Framework, ASP.NET, SQL Server 2016, ASP.NET Web Forms, Visual Studio 2013, Software, C#.NET, ASP.NET MVC, Active Server Pages (ASP), Microsoft SQL Server

Arkansas Schools (AR Schools)

https://arschools.org
A .NET web app built with .NET, SQL, SQL Server Reporting Services, C#, web API, jQuery, and the Bootstrap framework. I was the full-stack developer for this project. AR Schools serves over 10,000 users with services including scheduling, curriculum, instruction, offline Google Classroom downloads, discipline tracking, and reporting, inventory tracking and reporting, and full Student Information Systems integration between Google Could APIs and IBM Cognos, a registration and scheduling tool used by most schools in the state of Arkansas. ARSchools.org is a private application, but a demo is available upon request.

Arkansas High School Football Online

https://ahsfonline.com
A .NET web app built with .NET, SQL, C#, web API, jQuery, and the Bootstrap framework. I was the full-stack developer and graphic designer for this project. The app includes a client-side Pick Em contest where members could predict winners and fill out playoff brackets much like the March Madness brackets for NCAA basketball. Even though the app was only launched three months ago, it averages over 3,000 visitors on Fridays and promises to grow exponentially leading up to the 2022 season next fall.

.NET eCommerce Site Update

A .NET-based eCommerce website written in VB.NET. I was a full-stack developer working with ASP.NET web forms, SQL Server, jQuery, and CSS3 stylesheets. I also updated the shopping cart control, which was written in PHP.
2002 - 2003

Master's Degree in Teaching Secondary Mathematics and Computer Science

University of Arkansas - Fayetteville, Arkansas, USA

1998 - 2002

Bachelor's Degree in Computer Engineering

University of Arkansas - Fayetteville, Arkansas, USA

Libraries/APIs

jQuery, Web API, X (formerly Twitter) API, Entity Framework, Google Cloud API, Google APIs, Google Drive API, Facebook API, jQuery UI

Tools

Adobe Photoshop, Visual Studio 2013, Visual Studio 2015, Visual Studio 2019, Visual Studio, IBM Cognos

Languages

SQL, C#, C#.NET, VB, HTML5, CSS, JavaScript, Active Server Pages (ASP), VB.NET, CSS3, PHP

Frameworks

.NET, Bootstrap, ASP.NET, ASP.NET Web Forms, .NET 5, Entity Framework Core, OAuth 2, ASP.NET MVC, .NET Core, ASP.NET Core, .NET 4

Paradigms

Web App Design, Object-oriented Programming (OOP), Agile Software Development, MVC Design

Storage

SQL Server Reporting Services (SSRS), Databases, Microsoft SQL Server, Google Cloud, SQL Server 2016

Platforms

Windows

Other

Software Development, Computer Science, Team Leadership, Software Development Lifecycle (SDLC), Software, Software Architecture, Web Scraping, APIs, SOAP

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