Open to opportunities

Sean Collier

@seancollier

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Experienced Sr. React/UI Developer with a passion for web applications.

United States

Message

What I'm looking for

I seek a role that fosters innovation, collaboration, and continuous learning in a dynamic environment.

With over 8 years of front-end expertise, I specialize in crafting engaging and performant web applications. My skill set includes modern technologies such as React, NextJS, JavaScript, TypeScript, Node.js, and Tailwind CSS, allowing me to build dynamic and interactive user experiences. I thrive in Agile and Scrum environments that prioritize TDD and BDD, ensuring high code quality and user satisfaction.

Throughout my career, I have developed dynamic user interfaces for major organizations like Bank of America and Tenet Healthcare, where I implemented component-based architecture and optimized performance across various devices. My experience includes mentoring junior developers and actively participating in Scrum ceremonies, fostering a collaborative learning environment. I am passionate about leveraging my skills to create visually appealing and functional web applications that meet user needs and business goals.

Experience

Work history, roles, and key accomplishments

Current

Sr. React/UI Developer

Current

Bank of America

Nov 2024 - Present (8 months)

Developed dynamic and responsive user interfaces using React.js and Redux for state management. Built reusable React components to improve code efficiency and maintainability. Utilized JSX for seamless integration of HTML with JavaScript, improving code readability and maintainability.

React Redux JSX Axios D3.Js Firebase

Sr. React/UI Developer

Tenet Healthcare

Jun 2022 - Present (3 years 1 month)

Built, used, and maintained highly reusable components using React, JSX, JavaScript and Tailwind CSS for consistent and efficient development of a proprietary appointment scheduling tool. Developed application logic and built dynamic, data-driven web applications using React.js, FetchAPI, Node.js and JSON data integrations. Mentored junior developers and fostered a learning environment with the Sc

React JSX JavaScript Tailwind React Hooks CSS Node JSON Figma Scrum

Sr. React Developer

Flagstar Bank

Jan 2020 - Present (5 years 6 months)

Designed and developed dynamic, browser-compatible web applications using React, Node.js, JSX, CSS3 and Bootstrap. Implemented principles of responsive web design to ensure optimal user experience across all devices and browsers. Integrated RESTful services and retrieved data from backend using FetchAPI and Redux-Promise.

React Node JSX CSS3 Bootstrap Redux RESTful Services React Redux Agile Scrum NPM

Frontend Developer

Medica

Jan 2018 - Present (7 years 6 months)

Built rich web interfaces using React and other JavaScript libraries. Crafted dynamic and interactive data visualizations with D3.js. Implemented responsive layouts with Bootstrap's grid system.

React JavaScript D3.Js Bootstrap HTML5 SEO CSS JSX

UI Developer

Stein Mart

Jun 2017 - Present (8 years 1 month)

Built responsive web pages using HTML, CSS. Enhanced user experience with real-time input validation powered by FetchAPI and intuitive drag-and-drop interactions. Conducted JavaScript testing using Jest framework.