• Develop and maintained new features for Picarro’s emissions360 platform using Next.js and React.js.

• Actively participated in Agile development, including daily stand-ups and sprint planning ses-sions.

• Work closely with back-end engineers to develop and maintain UI features and reusable com-ponents in ReactJS.

• Translate wireframes into functional requirements and write well-abstracted, reusable, and high-performance code for UI components.

• Design and develop deeply customized shared/global components, including cards, inputs, dropdowns, modals, and tables which are based on Material UI

• Integrate RESTful API with emissions360 UI.

• Implement interactive map features using React Leaflet, allowing users to upload GeoJSON files or draw custom polygon boundaries for ventures for report generation

• Customize KendoReact Grid components to render tables for generated inventory reports, enabling advanced data presentation and interaction.

• Render dynamic donut and line charts using PrimeReact Chart to visualize key metrics and trends in the application.

• Streamlined state management using Jotai for improved performance and maintainability.

• Implement Unit tests and Integration tests by using Jest, Jest Cucumber and React Test-ing Library.

• Document the UI architecture and other important solutions or proposals on the Confluence page.

• Design and implement responsive UI that works seamlessly across various devices and screen sizes.

• Conduct code reviews to ensure adherence to coding standards and best practices.

• Support applications releases, troubleshoot and debug issues in existing software applications.

• Stay up to date with the latest industry trends and technologies.

• Use GIT and GitHub for version control.

Utilized React, Typescript, Redux to create various micro-frontend applications(eg: Business Purchase Portal)

• Rewrote user-friendly CASIS (Custom and Standard Integration Services) of Apple by using HTML5, CSS3, Bootstrap, ReactJS, React-Router and AS Components.

• Used React-Router module to develop Single Page Applications

• Used SASS to make CSS to be more concise and easier to read.

• Used React and ES6/7 heavily including the latest features like Function Components, React Hooks, Async and Wait.

• Take the advantage of curry function to make some methods to be useable.

• Created reusable components for CASIS including Page Title and Text Label with Dropdown List, Text Label with Text Input, Popup Modal and CASIS Table with pag-inations

• Used configuration driven coding philosophies and created 2 powerful reusable forms/components generation functions: generateComponentsByConfig and generateBut-tonsByConfig

• Reused the event handlers (handleOnchange and handleDatePickerOnchange) across the App

• Created a recursive method for processing the data received from API which has nested ob-ject.

• Integrated 40+ APIs and called the Restful web services calls for POST, PUT, DELETE and GET methods in the CASIS rewrite project.

• Work collaboratively and professionally with backend engineers and QA members to achieve goals

• Used frameworks and tools like Mocha, Chai in unit testing.

• Involved in requirement gathering, designing, development, UI reviews, and maintenance.

• Used GIT for version control

• Utilizing expertise in both object-oriented and functional programming paradigms to build highly scalable web applications using ReactJs, Redux, Webpack, and CSS pre-processors

• Collaborating with UX design and back-end teams to solve technical challenges and produce a quality production web experience for customers.

• Built user-friendly UI for the fashion vertical of Walmart by using HTML5, CSS3, Re-actJS/Redux and Vanilla JavaScript.

• Worked with UX designer to review and improve the UX design and provide feed-back/comment on improving user experience from the viewpoint of a software engineer

• Implemented a lot of specific features for fashion vertical for increasing revenue such as: Cross out for out of stock item, In Page Zoom, etc.

• Modified reducers for fashion vertical

• Used HTML5 elements like video, audio and canvas in making the website interactive.

• Used React JS, Vanilla JS, Bootstrap, HTML5 and CSS to build reusable components and front-end libraries for the project.

• Strong Experience in dealing with CSS Concepts like CSS Background, CSS Layouts, CSS positioning, CSS Box Model, Pseudo classes, Pseudo elements, CSS Animations.

• Used GIT and GitHub for managing source code by resolving merge conflicts that occur dur-ing collaboration of various stakeholders of the application.

• Helped team understand what’s going on with our users, by using analytics tools, user jour-ney tracking, feedback tools, error and performance logging.

• Supported the team and production applications through resolving bugs and other technical issue

• Troubleshoot open issues and bug-fixes and ensuring on-time delivery and hand-offs.

• Involved in Agile development methodology with the help of JIRA, and actively participated in Scrum meetings

• Created unit tests using Enzyme, Mocha and Chai

• Created automation testing by Nightwatch Extra and Magellan