Senior Frontend Developer

FU WONG

Senior Frontend Developer

ad5vxb@r.postjobfree.com Kowloon, Hong Kong

Summary

Experienced Senior Frontend Developer with 8+ years in crafting high-performance web applications using React.js and modern JavaScript (ES6+). Proficient in state management (Redux), performance tuning, and API integrations. Proven leader and mentor, skilled in collaborating with cross- functional teams to deliver user-focused solutions. Committed to coding excellence, responsive design, and delivering projects on schedule. Experience

Arena New York City, NY

Senior Frontend Developer 2020 - Present

Transformed legacy applications to a clean, React-based infrastructure, reducing load times by 30% Supervising and mentoring the front-end team (7 people) Used advanced JavaScript to create a cross-browser compatible user interface Adhere to established process and quality standards, while providing input to improvements of these standards Improved application performance by 40% through code splitting, lazy loading, and optimizing image assets Implemented AWS to allow easy iteration in company cloud infrastructure Swivelt Minato, JP

Front End Developer 2018 - 2020

Worked in an Agile development team of 8 to deliver high-quality software under strict timelines Introduced TypeScript to the frontend codebase for improved type safety and reduced runtime errors Implemented code standards that improved team's average productivity by 20% Improved SEO performance of company websites by 30% Worked with product managers, backend developers and QA engineers to ensure seamless integration of backend APIs with the frontend Work with different development and QA teams to code HTML/CSS mockups, test, and verify projects through development process Integrated and managed A/B testing frameworks to experiment with new features and optimize user interactions Silex Technology Kyoto, JP

Front End Developer 2016 - 2018

Contributed to the development of 3 strategic projects, each serving over 1M users Helped the team stick to specific standards in developing web pages under company guidelines Managed multiple frontend projects simultaneously, ensuring on-time delivery and adherence to project specifications Developed responsive and mobile-first web applications, ensuring compatibility across various devices and screen sizes Actively participated in Agile ceremonies and contributed to sprint planning, retrospectives, and backlog grooming Created interactive prototypes using Figma and Adobe XD to rapidly iterate on design concepts and gather user feedback Implemented robust user authentication and authorization mechanisms using JWT and OAuth standards Efficiently integrated complex RESTful APIs and GraphQL endpoints to streamline data flow between frontend and backend services Education

University of Hong Kong Kowloon, HK

Bachelor's Degree in Computer Science 2012 - 2016

SKILLS

HTML HTML5 CSS CSS3 Bootstrap4 JavaScript TypeScript AJAX Node.js React React Native React Redux UX/UI Design mockup and wireframes SEO Building APIs Test performance Jest Enzyme Selenium Agile Methodologies (Scrum) GIT

AWS GCP CI/CD Github Actions Docker Kubernetes Ansible Terraform Grafana Prometheus

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