# Kelvin Xu

> Software Engineer

Location: New York, New York, United States
Profile: https://flows.cv/kelvinxu1

•	Over 4 years of experience on Cross Platform Web/Client-Server applications design & development using JavaScript, HTML, CSS and Python technologies.
•	Strong front-end UI development skills using scripting languages like HTML, CSS, JavaScript, JQuery, AJAX, JSON, React, DOM, JSP, JQuery Plug-ins.
•	Expertise in Advanced JavaScript libraries & frameworks like React, Node, Express & OOPs concepts.
•	Extensive experience in Cross-browser HTML, CSS JavaScript coding to offer responsive website layouts to modern browsers and mobile devices.
•	Expert in developing User Interface (UI) applications and professional web applications using JavaScript, JSP, HTML /DHTML, DOM, XHTML, jQuery, CSS, and Ajax
•	Extensive experience in building Single Page Applications (SPA) by frameworks like React & custom MVC frameworks
•	Extensive expertise with CSS3 & leveraging best practices, modifications of existing CSS files to enhance user experience.
•	Intermediate experience with Advanced JavaScript including prototype-based inheritance, AJAX, JSON and familiar with JavaScript frameworks such as, JQuery and JQuery-UI.
•	Strong experience with Oracle, PL/SQL, MySQL, SQL Server concepts.
•	Expertise in DB Design, DB normalization & writing SQL queries - Stored Procedures, Functions, Triggers, Sequences, Indexes and Views, etc.
•	Good knowledge in design understanding the application using UML Data flow diagrams.
•	Worked in Scrum, an Agile methodology for software development.

## Work Experience
### Engineer @ Segway
Jan 2024 – Present | Texas, United States

### Software Developer @ CVS Health
Jan 2022 – Jan 2024 | United States
•	Responsible for writing quality code using CSS3, HTML5, JavaScript, NodeJS, React.
•	Developing and improving application using React and Bootstrap
•	Using JQuery plugins auto complete, validation, drag and drop and more exceptionally
•	Expertise in Client Side designing and validations using HTML and Java Script
•	Involves in developing various generic JavaScript functions used for validations
•	Use advanced level HTML5, JavaScript, CSS3 to reusable and readable code
•	Co-ordination with UX designers and developed user interface using HTML 5, CSS3 and ReactJS.
•	Design business applications using web technologies like HTML, DHTML, XHTML & CSS based on W3C standards
•	Use Node.js to interact with Restful web services along with the interaction of databases
•	Involve in Requirement gathering phase in order to gather the requirements from the business users and continuous collaboration with UX team to accommodate changing based on user requirements
•	Use GitHub as version control in project, involved in development of Dynamic loading of web pages using Ajax calls
•	Working closely with business analysts in understanding the technical requirements of the project and prepared use cases for different features and designs along with writing unit test cases using Quit testing framework
•	Timely updates confluence page with functional requirements provided by Business analysts and project managers

### Frontend Developer @ Picket
Jan 2019 – Jan 2021 | United States
•	Involved in the development of the UI using HTML, CSS and JavaScript and also worked on JavaScript framework to augment browser-based applications
•	Developed the functionalities using Agile Scrum Methodology
•	Designed and developed UI using HTML, CSS and JavaScript where users have all the services listed
•	Used JavaScript in user validation and suggestion list and to display dialog boxes
•	Involved with bug fixing on functionality, performance & designing issues with JavaScript, HTML5, CSS3 & React.JS
•	Involved in client side validations using JavaScript
•	Worked with Relational and remote Database Management Systems including MySQL and SQL Server 
•	Used MySQL as the database for the application 
•	Resolved database inconsistency with better design and efficient SQL queries
•	Used Git for Versioning and concurrent access to the project files
•	Used Jira to create & execute automated test cases, store result and metrics and critically analyzed, documented, and maintained the test results and test logs
•	Developed server-side functionality for Admin Interface features adding User, Modifying User Details, Assigning Roles, Modifying Roles etc
•	Actively participated in Managing team performance, progress & participated in requirements gathering, analysis, design, development and testing phases for development


## Education
### Bachelor of Science - BS in Management Information Systems, General
Binghamton University


## Contact & Social
- LinkedIn: https://linkedin.com/in/kelvinxu789

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Source: https://flows.cv/kelvinxu1
JSON Resume: https://flows.cv/kelvinxu1/resume.json
Last updated: 2026-04-13