Open to opportunities

Rohan Johnson

@rohanjohnson

Message

Detail-oriented Senior .NET Full Stack Developer with 10+ years experience.

United States

Message

What I'm looking for

I am looking for opportunities that foster collaboration, innovation, and continuous learning in a dynamic environment.

As a Senior .NET Full Stack Developer with over 10 years of experience, I have a proven track record of building robust web applications and optimizing system performance. My expertise in .NET Core, Angular, React, and SQL Server has enabled me to improve system efficiency by up to 25% through query tuning and performance optimization. At TEKsystems, I successfully modernized legacy AS400 applications into microservices, reducing errors by 35% and delivering responsive Single Page Applications with ReactJS, enhancing user engagement across devices.

I am passionate about collaborating in Agile environments and excel at crafting scalable solutions while mentoring teams. My commitment to leveraging modern technologies allows me to solve complex challenges efficiently. I thrive in dynamic settings where I can contribute to innovative projects and drive continuous improvement.

Experience

Work history, roles, and key accomplishments

Current

Senior .NET Full Stack Developer

Current

TEKsystems

Jun 2022 - Present (3 years)

As a Senior .NET Full Stack Developer at TEKsystems, I developed REST APIs and Single Page Applications using .NET Core and ReactJS. I optimized system performance by 25% and migrated legacy applications to microservices, enhancing efficiency and reducing errors by 35%. My role involved participating in Agile processes and ensuring high-quality code through unit testing.

ASP.NET Core REST APIs ReactJS Redux SQL Server EF Core Jasmine Agile

Senior Software Engineer II

Hitachi Consulting

Sep 2019 - May 2022 (2 years 8 months)

At Hitachi Consulting, I developed backend services using C# and ASP.NET, improving system responsiveness by 25%. I integrated front-end technologies like Angular and React, optimized SQL queries, and reduced software bugs through rigorous testing. My contributions were pivotal in Agile processes, utilizing JIRA and Azure DevOps.

C++ASP.NET Angular React SQL Server NUnit WPF WCF LINQ Jira Azure DevOps

.NET Full Stack Developer

Crowe LLP

Apr 2017 - Aug 2019 (2 years 4 months)

As a .NET Full Stack Developer at Crowe LLP, I built web applications using .NET and ASP.NET MVC, enhancing service delivery in public sector healthcare. I optimized SQL procedures, automated report generation, and designed user-friendly interfaces, significantly improving user satisfaction and system performance.

.NET C++ASP.NET MVC SQL Server HTML CSS Bootstrap MVC

.NET Developer

Nagarro

Apr 2013 - Apr 2017 (3 years 11 months)

During my time at Nagarro, I developed web applications using C# and ASP.NET, enhancing functionality and user experience. I worked with SQL Server and WCF Services, designed responsive web pages, and conducted unit testing to ensure application stability.

C++ASP.NET WCF Entity Framework LINQ Bootstrap jQuery HTML5 CSS

Education

Degrees, certifications, and relevant coursework

Florida State University

Bachelor of Science, Computer Science

2008 - 2012

Completed a Bachelor of Science in Computer Science, focusing on software development, algorithms, and system design, which provided a strong foundation for a career in technology and software engineering.