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I'm Michael Sullivan, a frontend software engineer specializing in React, Next.js, JavaScript, and TypeScript. I build scalable, responsive web applications with a focus on clean architecture and delightful user experiences. After 20+ years in leadership and operational management, I transitioned into software engineering, bringing strong analytical problem-solving, communication, and execution skills to modern development teams. I have hands-on experience delivering API-driven apps, reusable component systems, authentication workflows, dynamic routing, and production deployments through GitHub and Vercel.…I'm Michael Sullivan, a frontend software engineer specializing in React, Next.js, JavaScript, and TypeScript. I build scalable, responsive web applications with a focus on clean architecture and delightful user experiences. After 20+ years in leadership and operational management, I transitioned into software engineering, bringing strong analytical problem-solving, communication, and execution skills to modern development teams. I have hands-on experience delivering API-driven apps, reusable component systems, authentication workflows, dynamic routing, and production deployments through GitHub and Vercel.

Michael Sullivan

Front-End Developer, Web Developer, Full Stack Developer, +4

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I'm Michael Sullivan, a frontend software engineer specializing in React, Next.js, JavaScript, and TypeScript. I build scalable, responsive web applications with a focus on clean architecture and delightful user experiences. After 20+ years in leadership and operational management, I transitioned into software engineering, bringing strong analytical problem-solving, communication, and execution skills to modern development teams. I have hands-on experience delivering API-driven apps, reusable component systems, authentication workflows, dynamic routing, and production deployments through GitHub and Vercel.…I'm Michael Sullivan, a frontend software engineer specializing in React, Next.js, JavaScript, and TypeScript. I build scalable, responsive web applications with a focus on clean architecture and delightful user experiences. After 20+ years in leadership and operational management, I transitioned into software engineering, bringing strong analytical problem-solving, communication, and execution skills to modern development teams. I have hands-on experience delivering API-driven apps, reusable component systems, authentication workflows, dynamic routing, and production deployments through GitHub and Vercel.

Available to hire

I’m Michael Sullivan, a frontend software engineer specializing in React, Next.js, JavaScript, and TypeScript. I build scalable, responsive web applications with a focus on clean architecture and delightful user experiences.

After 20+ years in leadership and operational management, I transitioned into software engineering, bringing strong analytical problem-solving, communication, and execution skills to modern development teams. I have hands-on experience delivering API-driven apps, reusable component systems, authentication workflows, dynamic routing, and production deployments through GitHub and Vercel.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

General Manager at GameStop Military Store

January 1, 2019 - Present

Lead daily operations, staffing, inventory management, and sales performance initiatives within fast-paced retail environments. Managed and developed teams of 10+ employees while overseeing operational priorities, customer experience, and performance metrics. Analyzed operational and sales data to improve efficiency, optimize workflows, and support business growth initiatives. Demonstrated leadership, adaptability, and strategic problem-solving in high-volume operational environments.

Store Manager Mentor / District Leadership at GameStop

January 1, 2003 - Present

Mentored leadership teams across multiple locations while supporting hiring, onboarding, and employee development initiatives. Collaborated cross-functionally to improve operational consistency, training standards, and customer satisfaction. Earned progressive leadership responsibilities through strong performance, accountability, and operational execution.