Mitchell Carroll Email & Phone Number

Mount Airy, Md, Us

Atlanta, Georgia, Us

• Contributed to the development of a modernized web application, driving the migration of 120,000+ users from legacy systems and increasing the user base by 330%, which led to improved customer retention and enabled the transition from outdated systems, resulting in revenue growth and operational efficiency.• Collaborate with product, design, and engineering teams to shape the product strategy and direction, prioritizing features that enhance performance, security, and scalability, while addressing feedback from a growing user base of 150,000+ users.• Enhance application performance by optimizing Express.js middleware, refining API efficiency, and streamlining client-side functionality, enabling the platform to scale for large data sets and supporting the onboarding of enterprise customers through improved responsiveness and reliability.• Mentor junior developers, increasing team productivity and fostering skill development in areas such as API integrations, JavaScript-driven features, and understanding complex business logic, which contributes to the on-time delivery of key features in an Agile environment.

Atlanta, Ga, Us

• Engineered API integrations in collaboration with backend teams, defining requirements and implementing scalable solutions using Express.js and RESTful architecture. This work enabled the application to connect to an additional database, expanding the platform’s ability to support more users and paving the way for enterprise growth.• Collaborated with stakeholders and agile teams to diagnose and resolve complex technical problems, ensuring robust, high-performance solutions while addressing user feedback and evolving business needs.• Ensured the delivery of high-quality code through Test-Driven Development (TDD) and Behavior-Driven Development (BDD) practices, improving the reliability and maintainability of the application through automated testing frameworks such as Cucumber and Jest.• Transitioned to a full-time role at Corpay based on delivering high-quality front-end solutions, including UI development, API integration, and performance enhancements, that supported business objectives and improved the user experience.

Falls Church, Virginia, Us

• Spearheaded a comprehensive legacy front-end codebase redesign, transforming it into a modular NPM package serving 5 websites. Strategically reduced JavaScript by 50% and CSS by 80%, dramatically improving performance and decreasing median page load times from 14 to under 4 seconds.• Automated testing processes with Jest and Playwright, boosting code coverage from 0% to 90% and integrating tests into the CI pipeline, which improved application reliability, reduced manual testing efforts, and enabled faster issue resolution early in the development cycle.• Developed a real user monitoring (RUM) analytics library, providing actionable insights into user behavior and performance metrics, which informed content strategy and prioritized enhancements that directly contributed to increased user retention and engagement.

Falls Church, Virginia, Us

• Developed a custom content management system for Department of Defense media websites, improving efficiency and enhancing user experience through responsive, mobile-first designs.• Optimized site usability for mobile devices and low-bandwidth environments, expanding accessibility to underserved audiences.

• Converted two desktop-only websites to responsive designs, extending reach to mobile users and gaining international accessibility.• Recognized for delivering impactful results, transitioning to a full-time position at General Dynamics Information Technology to continue modernization efforts for the Department of Defense web applications.

Bethesda, Md, Us

Bethesda, Md, Us

Bachelor’S Degree, Psychology

Certificate, Web Development