Chris Geng Email & Phone Number

Detroit, Michigan, Us

• Developed new user-face features using HTML, CSS, JavaScript, and libraries including React.• Worked with .Net framework, C#, C++, Python• Worked in a fast-paced team, using Agile Methodology.• Worked in the Software Development Life Cycle• Used HTML, CSS, and JavaScript to make responsive Web design.• Used CodedUI to write automated test scripts that tested UIs or APIs. Scheduled daily and auto run on TFS• Used ReactJS to create reusable components and containers• Made API calls using Postman to verify POSTs/GETs/PUTs/DELETEs and test them.• Used Spring Rest Template to call restful services in salesforce applications.• Made web content accessible for people with disabilities with the use of HTML Semantic and Labeling• Used Object Oriented Programming concepts to develop UI components that could be reused across Web applications.• Implemented Redux-Form to achieve form functionality and validation. • Used Redux-Thunk as the middleware to handle the asynchronous actions.• Combined Redux-Promise and Axios to request data asynchronously.• Used Git for version control and GitHub for team collaboration.• Worked on cross-browser compatibility including Google Chrome, Firefox, Microsoft Edge, and Safari.

San Francisco, California, Us

• Cooperated with GAP Operation Analytics, GAP Tech, UX and other divisions to gather requirements and standards.• Attended code review session in JIRA and collected feedback from GAP Operation Analysis, GAP Tech, QA, and other corresponding divisions.• Enhanced CSS efficiency using Stylus.• Implemented custom reusable UI components using React and Vue.js with ES6 Syntax.• Implemented single page app (SPA) routing scheme using React Router and Vue Router.• Integrated state management in Redux and Vuex to track state change.• Used Storybook to review UI components with UX.• Transferred existing React components to reusable React Native components capable on both Android and iOS.• Communicated with AWS cloud and back-end server through Axios calls, and integrated asynchronous actions in Redux-Thunk.• Performed debugging using Chrome Development Tools and unit testing using Jest and Enzyme.• Tested apps on different browsers, including Firefox, Google Chrome, Internet Explorer, and Safari, to resolve cross-browser capability issues. • Constructed RESTful APIs using Node.js, and MySQL/PostgreSQL.• Used Yarn to manage packages and Webpack as bundler.• Used Git for version control and GitHub for team collaboration.• Worked in Agile methodology and attended daily scrum meetings.

San Francisco, California, Us

• Developed user interface page with HTML, CSS, React, and Redux.• Involved with Styling and Responsive Design techniques using technologies such as Bootstrap/Material UI.• Implemented new UI components and containers using React and React Native.• Developed and built Single Page Application (SPA) by React, React Router, and Redux with a solid understanding of JSX, Component Life Cycle, Component State and Virtual DOM.• Solid knowledge of Search Engine Optimization (SEO) and Accessibility.• Used the Redux framework for managing data management.• Used Redux-Thunk, Axios and Fetch as the middleware to handle asynchronous actions.• Implemented Jest and Enzyme for unit test and A/B Testing to improve the user experiences for website development. • Worked in an Agile environment and experienced in all phases of Software Development Life Cycle (SDLC) such as Requirement Analysis, Implementation and Maintenance.• Performed code reviews and collaborated with other engineers to produce and maintain high-quality front-end code.• Supported the development of other developers through mentoring, code review, and knowledge sharing

Riverwoods, Il, Us

• Responsible for creating efficient design and developing User Interaction screens using React.• Developed a new mobile application both worked on Android and iOS.• Built reusable components and front-end libraries for future use.• Designed and developed various components such as tab bars, map view, image picker, date picker, push notifications, sign-in/out features, profile management and navigation using React Native.• Used ReactJS for creating interactive UI using One-way data flow, Virtual DOM, JSX, React Native concepts.• Worked on Responsive UI using HTML, CSS, and Bootstrap.• Used Node Package Manager (NPM) /Yarn to manage modules• Used Redux to store state of app in a singular source.• Used Redux-thunk to asynchronously launch Redux actions in response to async code.• Developed React/Redux code using functional programming best practices to enable efficient pure function testing.• Developed single application to render dynamically based on the JSON from the Node JS server• Used Unit.js testing framework along with Jasmine, JS unit. Reduced load time for front-end.• Extensively used Git for version controlling and regularly pushed the code to GitHub.• Took initiative in learning react native and went on to successfully develop various features under minimal supervision.• Worked closely with Backend and QA team and fixed UI defects as well as production issues with a quick turnaround time.