Mohammad Sadra Karimi Email & Phone Number

Tehran Province, Iran

• Led and mentored a team of 10 Front End developers, resulting in Increased team productivity by 25% and 12 successful project deliveries.
• Migrated web applications to Next.js, achieving a 50% decrease in FCP (Lighthouse) and a 30% increase in site views (Google Analytics).
• Architected micro-frontend architecture with Module Federation, reducing average build time by 50% and enhancing developer experience.
• Integrated GraphQL and React-query, optimizing caching practices, cutting server requests by 35%, and saving $56,000 in API costs.
• Created unit and integrated testing, leading to 30% decrease in test failures.
• Built and published Chat, Push Notification, and Event Tracker SDK with Vanilla.js and Socket.io, ensuring compatibility with 100% of Front End libraries and platforms.

• Devised a supercluster algorithm using JavaScript, optimizing map performance by rendering 1 million points on Mapbox and Google Maps with a memory usage of only 50MB.
• Established real-time chat using Action Cable, reducing Restful API calls by 80% for improved efficiency.
• Built a website builder module using grapes.js, reducing landing page design time by 50% on average and saving clients an estimated $400 annually by avoiding the use of Webflow.
• Utilized Storybook for reusable components, decreasing development time by 40% and reducing test failures by 60%.

• Implemented Twilio video call functionality, boosting user engagement by 25% through modernized communication features.
• Configured Webpack, resulting in a 20% reduction in bundle size and average build time, as reported by the DevOps team.
• Significantly improved the organization's page speed and scalability by creatively implementing HTML, JavaScript, Redux, and React.js, resulting in a 30% faster page load time as measured by Google PageSpeed Insights.

Master'S Degree, Computer Engineering

Bachelor'S Degree, Computer Engineering