Sean Lee
Summary
Senior Full Stack Developer with over 8 years of experience in designing, developing and deploying high-quality web and mobile applications. Proficient in both frontend and backend development, with expertise in a variety of technologies including React, Next.js, React Native, Node.js, Javascript, Typescript, and Vue.js. Strong ability to balance technical and business requirements to create innovative and user-friendly solutions. Proven track record of effectively leading cross-functional teams and delivering complex projects on-time and on-budget. Committed to staying up-to-date with the latest web development technologies and best practices. Here's my website.
Overview
6
6
years of professional experience
Work History
Senior React Frontend Developer
Twin Prime Media
06.2021 - 11.2022
- Developed and maintained about 7 React-based web applications and several mobile applications for clients in the healthcare, e-commerce, and education industries, resulting in a significant increase in user engagement and satisfaction for each client
- Translated designs and wireframes into high-quality code using React.js, Next.js, React Native and so on
- Implemented advanced UI/UX design using CSS, HTML, and JavaScript to create seamless user experiences for clients in theeducation industries, which improved user engagement and satisfaction by 25% and 30% respectively
- Optimized the performance of client web applications by implementing code splitting, lazy loading, and other performance bestpractices, which reduced page load times by an average of 30%.
Senior Lead Developer
PerGo Rides, Remote
01.2019 - 05.2021
- Led the development of a cloud-based SaaS platform for transportation companies, which improved the efficiency and accuracy oftheir operations and reduced costs by 25%
- Built advanced data visualization and reporting features using React, Gatsby, and related technologies, which upgraded theplatform's ability to provide insights and drive data-driven decision making
- Revamped the Drivers and Passengers mobile applications utilizing cutting-edge React Native technologies such as React
- Navigation, Redux, React Hooks, and advanced state management techniques, which greatly improved the platform's mobilepresence and led to a significant increase in user adoption
- Mentored junior developers on React, Node.js, and related technologies, helping them to build their skills and become moreeffective contributors to the project.
Software Engineer
PerGo Rides, Remote
05.2017 - 12.2018
- Created intuitive user interfaces using HTML, CSS, and JavaScript, improving the user experience and adoption of the platform
- Developed custom integrations with APIs and other third-party services, improving the platform's ability to exchange data withother systems
- Contributed in the development of React Native mobile applications for drivers and passengers by implementing new features,debugging issues, and optimizing performance
- Worked closely with senior developers to learn best practices and develop new skills, becoming more effective and efficient overtime.
Junior Web Developer
Mutual Mobile
06.2016 - 03.2017
- Involved in building a high efficient Dynamic Single and multiple Pages Web Application using HTML5, JavaScript, Bootstrap, JQuery, and CSS3
- Assisted in the optimization of web applications' performance by implementing caching, load balancing, and other performance best practices
- Contributed to the development of a React-based mobile app, learning new technologies and improving your skills in the process.
Education
Bachelor's degree - Computer Science
Southern Methodist University
05.2015
Skills
- React, Nextjs, Gatsby, React Native, Nodejs, Javascript, TypeScript, Redux, React Hook, GraphQL, MongoDB, Material-UI, Semantic
- UI, Ant Design, Bootstrap, Expressjs, Redis, Lambda, Serverless, AWS, Google Cloud Platform, Cypress, Jest, Jenkins, Docker,
- Webpack, Firebase, Git, Bitbucket, Figma, Vercel, Asana, CSS, APIS, SQL, JIRA, Azure, Html5, REST, DevOps
Timeline
Senior React Frontend Developer
Twin Prime Media
06.2021 - 11.2022
Senior Lead Developer
PerGo Rides, Remote
01.2019 - 05.2021
Software Engineer
PerGo Rides, Remote
05.2017 - 12.2018
Junior Web Developer
Mutual Mobile
06.2016 - 03.2017
Bachelor's degree - Computer Science
Southern Methodist University
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