Dion Yang
Verified Expert in Engineering
UI and Front-end Developer
Fort Lauderdale, FL, United States
Toptal member since February 2, 2018
Dion is a seasoned professional with over 10 years of experience delivering complex web-based applications. He excels in multiple development methodologies, adhering to design principles, creating development standards, and staying up-to-date on the latest web-based developments. Dion communicates complex solutions in a way that non-technical stakeholders can understand, making him a valuable asset to any team. His passion for staying current makes him an invaluable asset to any organization.
Portfolio
Experience
- Responsive UI - 18 years
- CSS - 18 years
- PSD to HTML - 11 years
- JavaScript - 9 years
- Responsive Design - 7 years
- Vue - 5 years
- React - 4 years
- Material UI - 1 year
Availability
Preferred Environment
Git, MacOS, React, Vue, Agile, IBM WebSphere, REST APIs, JavaScript 6, TypeScript, Node.js, Web, JSON Web Tokens (JWT), SSL Certificates, XML, Web Design
The most amazing...
...web app I've delivered to a big client included leading a team, anticipating future needs, communicating effectively, and delivering on time and within budget.
Work Experience
UI Developer
Toptal Clients
- Worked on various web-facing projects with clients, including a major eCommerce retailer, JetPay Now, ContractPod Ai, and TripFez.
- Built and launched several successful UI products using modern front-end frameworks, increasing customer engagement and satisfaction.
- Worked closely with UX design teams to create intuitive UIs and impactful customer experiences.
- Integrated various APIs to improve user experience.
- Developed new UI features for multiple co-brands within a major eCommerce brand portfolio while working with team members to integrate them into their platform.
- Designed and developed web applications using React and Next.js.
- Built a reusable component system to serve as the foundational base for the entire site for TripFez Travel, demonstrating my ability to create efficient and scalable code.
React Fellow
Toptal
- Developed an app that allows users to post, favorite, and comment on recipes and allows admins to create global notifications, display maps of submitted recipes around the world, and more.
- Tracked and fixed bugs using Jira as a reporting tool. Utilized GitHub to manage pull requests before merging features into the master branch.
- Collaborated with team members across three different time zones to take tasks from beginning to completion within deadlines. Utilized Zoom video sessions to brainstorm and perform code pairing exercises to enable knowledge transfers.
Product and Front-end Developer
Galavantier
- Conducted user research to design product pages. Helped strengthen the brand and build customer trust.
- Created wireframes, mockups, and overall design assets. Built out production-ready responsive HTML and CSS pages.
- Utilized Adobe Photoshop, Adobe Illustrator, Sketch, Axure, and Sass. Developed with PHP, React, Node.js, JavaScript, Grunt, and Bootstrap.
Senior UI Developer
Healthline Networks
- Took part in an agile team that worked on the production-facing website. I played a key role in the entire site rebranding, collaborated with my team to build new mobile ad products, and worked heavily on responsive design components.
- Worked on components that heavily utilized responsive design. Rebuilt a pill identification app in React from scratch.
- Assisted in peer code reviews, knowledge transfers, developer testing, and research tasks for the site rebuild, positively impacting the team's success.
- Participated in agile development and ensured high-quality products.
Front-end Developer III
eBay, Inc.
- Worked on prototyping various iterations of client side facing pages to use in user research testing labs.
- Included bringing live product API data into pages to make testing of the shopping experience dynamic.
- Collaborated on site rebranding as well as building new site features. Tested user trust, user conversions, and increased sales through A/B testing.
- Created an internal platform that allowed the ability to prototype new eBay pages rapidly. Included a repository of components, live data, and the ability to add custom UI interactions on the fly.
- Assisted in peer code reviews, knowledge transfers, website testing, and research tasks for the site.
- Utilized Sass and implemented client-side interfaces using React components.
- Used HTML5, CSS3, Sass, Grunt, Bower, Node.js, React, Object-oriented JavaScript (OOJS), PHP, and MySQL.
Front-end Developer
Apple, Inc.
- Worked on the first mobile web version of the Apple.com website.
- Built mobile web pages with custom touch handlers and animations written in JavaScript. Tasked with developing implementation solutions to never-before-seen web interactions for the mobile website.
- Delivered implementation of new web interactions. Used a critical eye for detail honed from my design background. Utilized testing and debugging skills from working on cross-platform websites to meet Apple standards.
- Delegated tasks to junior developers and mentored them to get them up to speed on requirements.
Experience
Toptal React Accelerator
Galavantier Event Page
Education
Bachelor's Degree in Information Technology
Western Governors University - Salt Lake City, UT, USA
Associate's Degree in Digital Media Communications
Katherine Gibbs School - Melville, NY, USA
Certifications
CompTIA IT Operations Specialist
CompTIA
CompTIA Network+
CompTIA
CompTIA Project+
CompTIA
LPI Linux Essentials
Linux Professional Institute
AWS Certified Cloud Practitioner
Amazon Web Services
ITIL 4 Foundation
PeopleCert
CompTIA A+
CompTIA
Toptal React Accelerator Graduate
Toptal, LLC
Skills
Libraries/APIs
jQuery, Highcharts, Vue, React, Node.js, REST APIs, Liquid
Tools
Adobe Photoshop, Sketch, Google Web Designer, Axure RP Pro, Adobe Illustrator, Wix, Google Analytics, Sublime Text, Git, Grunt, Bower, Bugzilla, Webpack, Figma, Amazon Virtual Private Cloud (VPC), Amazon CloudFront, AWS IAM, AWS Shield, Amazon Simple Notification Service (SNS), pfSense
Languages
CSS, HTML, JavaScript 5, HTML5, CSS3, XML, JavaScript, C#.NET, Sass, Less, PHP, TypeScript, GraphQL, JavaScript 6, A+, Python
Frameworks
Bootstrap 3, JSON Web Tokens (JWT), Angular, Bootstrap, AngularJS, Material UI, Svelte, Next.js, Express.js, ASP.NET, Laravel, Tailwind CSS
Paradigms
Agile Software Development, Responsive Web Design (RWD), UI Design, UX Design, Agile, Unit Testing, Agile Project Management, Scrum
Platforms
WordPress, Shopify, Web, Unix, MacOS, Drupal, IBM WebSphere, Visual Studio Code (VS Code), AWS Lambda, Amazon, Amazon EC2, AWS Elastic Beanstalk, Linux, Amazon Web Services (AWS), Docker
Storage
JSON, MySQL, Elasticsearch, PostgreSQL, MongoDB, Amazon S3 (AWS S3)
Industry Expertise
Web Design
Other
Responsive Design, PSD to HTML, Freelancing, Responsive UI, Front-end Development, Front-end, UI Development, Banner Ads, Digital Communication, HTML Templates, Design, Landing Pages, Websites, Full-stack Development, System Administration, SSL Certificates, Full-stack, Transport Layer Security (TLS), Figma to WordPress, Web Development, User Experience (UX), User Interface (UI), Web App UX, HTML Email, Newsletters, Animation, Typefaces, OpenAI, RESTFul APIs, Axure, PSD to Shopify, Storybook, Atlas, API Gateways, Cloud, Amazon RDS, AWS WAF, AWS Trusted Advisor, AWS Organizations, IT Service Management (ITSM), service value chain, Incident Management, service lifecycle, Problem Management, change enablement, Linux System Administration, IT Project Management, Waterfall Methodology, Agile Sprints, Information Technology, Networks, Cisco, Security
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