Worked with the design team to implement pixel-perfect responsive designs using CSS3, media queries, flexbox, CSS Modules, and preprocessor SASS.

Performed Cross Browser Testing to ensure that React, Gatsby.js, or Next.js application code was properly polyfilled and working as expected on various browsers and operating systems.

Utilized the Google Dev Tools Lighthouse feature to gather information related to Performance, SEO, Best Practices, and Accessibility and implemented suggestions to improve search engine position.

Wrote unit, integration, and end-to-end (e2e) tests for Express.js back-end and React Components on the front-end using Cypress and Jest to improve test coverage.

Created, configured, and maintained Linux-based Nginx servers to efficiently serve Single Page Applications (SPAs) and static content.

Used React Dev Tools Performance Profiler to gain a finer-grain understanding of component rendering lifecycles and implemented performance optimizations where possible.

Authored AWS service orchestration script using TypeScript to parallelize the generation of the static data required by our statically built web applications and improved build time by an exponential factor.

Maintained infrastructure on AWS that consisted of various Elastic Beanstalk environments, CI/CD pipelines, and supporting services.

Improved performance of web applications by identifying rendering bottlenecks through the use of the React Dev Tools Performance Profiler.

Improved accessibility of React components that lacked semantic HTML5 tags through the application of ARIA labels and WAI-ARIA Roles, Properties, and States.

Styled React components with pixel-perfect accuracy and added responsive layout with CSS3, SASS, and CSS Modules.

Performed Single Page Application-based SEO research and implemented best practices using React-based static site generators Next.js and Gatsby.js.

Implemented various data collection scripts using Selenium to automate the gathering of actionable data.

Constructed continuous delivery pipelines on AWS using CodePipeline and CodeDeploy to automatically deploy changes made to application code.