Raymond Chang Email & Phone Number

● Successfully participated in migrating from a monolithic server architecture to a loosely-coupled architecture with micro-frontend app architecture using React, TypeScript, GraphQL and Node.js / Express.js.● Led the front-end development process from the very beginning and worked closely with project manager and stakeholders to prioritize tasks, estimate project timelines, and ensure timely delivery of high-quality solutions.● Built scalable back-end APIs using TypeScriptand GraphQL… Show more ● Successfully participated in migrating from a monolithic server architecture to a loosely-coupled architecture with micro-frontend app architecture using React, TypeScript, GraphQL and Node.js / Express.js.● Led the front-end development process from the very beginning and worked closely with project manager and stakeholders to prioritize tasks, estimate project timelines, and ensure timely delivery of high-quality solutions.● Built scalable back-end APIs using TypeScriptand GraphQL and integrated them to front-end and some micro-frontend applications.● Utilized Storybook to develop, document and test atomic, reusable React components.● Did a lot of Figma-to-page translations.● Experienced in leveraging Mixpanel analytics platform to gather valuable insights, track user behavior, and optimize product performance, enabling data-driven decision-making and enhancing user experiences.● Mentored junior developers, providing guidance and support in adopting best practices, improving their technical skills, and fostering a collaborative team environment.● Skilled in implementing comprehensive unit testing, integration testing and e2e testing strategies toensure code reliability, identify and fix bugs early in the development process, and maintain high-qualitysoftware with confidence.Skills: React, React Native, Next.js, TypeScript, GraphQL, MUI, Node.js, Express.js, Mixpanel, Storybook, Jest, @testing-library/react, Cypress, AWS (S3, EC2, Lambda), Git, GitLab, Jira, Figma Show less

● Collaborated with cross-functional teams, including project managers, designers, and quality assurance analysts, to develop and deliver high-quality software solutions for clients in various industries.● Migrated an old legacy MVC web app built using Django into MERN stack.● Analyzed data from 25000 monthly active users and used outputs to guide marketing and product strategies; increased average app engagement time by 2x and 30% decrease in drop off rate.● Collaborated closely… Show more ● Collaborated with cross-functional teams, including project managers, designers, and quality assurance analysts, to develop and deliver high-quality software solutions for clients in various industries.● Migrated an old legacy MVC web app built using Django into MERN stack.● Analyzed data from 25000 monthly active users and used outputs to guide marketing and product strategies; increased average app engagement time by 2x and 30% decrease in drop off rate.● Collaborated closely with product managers and UX designers to gather requirements, define technical specifications, and ensure the seamless integration of design and functionality.● Customized reusable components using the styled-components library and integrated for A/B testing.● Converted Figma design into pixel-perfect & responsive pages using Styled Component and MUI.● Implemented best practices for code review, continuous integration, and version control, ensuring amaintainable and efficient development workflow.● Maintained back-end code built using Node.js, Express.js and PostgreSQL and collaborated with product team to add new features.● Built scalable APIs using PHP & Laravel to fetch application record detail and secured APIs through OAuth and connected with front-end using Intertia.js.Skills: React, React Native, Next.js, TypeScript, Python, Django, PHP, Laravel, Intertia.js, Vue.js, Node.js, Express.js, Styled Component, MUI, Tailwind CSS, Jest, @testing-library/react, AWS (S3, EKS, EC2), GraphQL, gRPC, PostgreSQL, MongoDB, Git, GitHub, Jira, Figma, OAuth Show less

● Learned the basic concepts of web development and used HTML, CSS and JavaScript to build static UIpages.● Involved in Agile workflow and collaborated with stakeholders during development process.● Converted high-fidelity mockup pages into usable websites using HTML, CSS, Bootstrap, JavaScript, jQuery and AJAX ensuring 100% of pixel perfectness.● Migrated old codebase built using PHP + Laravel to React + Node.js + MongoDB stack.● Implemented custom pages for the admin site… Show more ● Learned the basic concepts of web development and used HTML, CSS and JavaScript to build static UIpages.● Involved in Agile workflow and collaborated with stakeholders during development process.● Converted high-fidelity mockup pages into usable websites using HTML, CSS, Bootstrap, JavaScript, jQuery and AJAX ensuring 100% of pixel perfectness.● Migrated old codebase built using PHP + Laravel to React + Node.js + MongoDB stack.● Implemented custom pages for the admin site using SASS/CSS and JavaScript.● Built & integrated back-end APIs with Laravel following best practices and implemented full-text search using Elasticsearch.Skills: HTML, CSS, JavaScript, PHP, Bootstrap, jQuery, Laravel, Node.js, MongoDB, ElasticSearch, AJAX, Git, Jira, Figma Show less