frontend engineer

Xin Liu

201-***-**** **********@*****.***

Open to Relocation

Available to be onsite (Yes / No): Yes

Available 24-48 hours prior notice

Professional Experience:

United Group Jago Link Inc – Concord, NC Feb 2025 – Present

Senior / Lead Frontend React Developer

POS E-Commerce Agent Platform

Develop enterprise e-commerce applications using React, React native, Next.js, TypeScript, and Tailwind CSS for highly interactive products and checkout workflows.

Build reusable frontend components and shared UI libraries and util function to improve scalability and maintainability across applications.

Optimized frontend performance and improved user experience across desktop and mobile web applications.

Implement advanced state management using Redux Toolkit, and Context API.

Develop responsive and accessible UI aligned with Figma designs and mobile-first standards.

Integrate frontend applications with REST APIs and Node.js backend services supporting payment processing, search, filtering, and customer workflows.

Improved application performance through memoization, lazy loading, optimized rendering, and custom hooks.

Support CI/CD workflows using GitHub Actions, Vercel, and Copilot AI-assisted development tools.

Collaborate closely with product managers, UX designers, QA teams, and backend developers in Agile environments.

Duke Energy Dexian LLC – Charlotte, NC Jun 2023 – Jan 2025

Sr. Frontend React Developer

Google Map Redesign & My Account Modernization

Developed React and Next.js applications supporting customer billing, payment management, and public awareness platforms.

Built interactive Google Maps components using modern Google Maps APIs, dynamic markers, clustering, and responsive UI behavior.

Worked closely with UX and design teams to implement modernized dashboards and customer-facing workflows using Figma designs.

Developed reusable React components, multi-step forms, modal workflows, and responsive layouts using Tailwind CSS and Electron UI.

Integrated frontend applications with REST APIs, Sitecore CMS content, and backend enterprise services.

Supported AWS cloud migration activities involving EC2, Lambda, and IAM services.

Lowe’s Jago Link Inc – Morrisville, NC Apr 2022 – May 2023

Sr. Frontend React Developer

MRV Returns UI

Developed enterprise React applications supporting retail return and checkout workflows for store operations.

Implemented scalable state management solutions using Redux, Context API, and React Query.

Built reusable UI components and responsive layouts aligned with enterprise design systems and Figma prototypes.

Improved frontend performance through optimized rendering, reusable hooks, and efficient event handling strategies.

Developed automated testing coverage using Cypress, Jest, and React Testing Library.

Supported Docker-based deployments, Jenkins CI/CD pipelines, and GCP-hosted environments.

Participated in production support, debugging, defect resolution, and Agile delivery activities.

AT&T Jago Link Inc – Plano, TX Feb 2021 – Mar 2022

React UI Lead Developer

Unlock UI & Smart Home Manager

Developed customer-facing React and Next.js applications supporting device unlock, customer support, and smart home management platforms.

Implemented WCAG-compliant accessibility improvements and resolved production accessibility defects using ANDI tool, Axe tool, and accessibility standards.

Integrated frontend applications with REST APIs, authentication services, and CMS-based content management systems.

Improved application performance, optimized page load times, and enhanced frontend scalability.

Worked with Jenkins CI/CD pipelines, deployment workflows, and production release activities.

Collaborated with UX, QA, and backend teams to deliver responsive, enterprise-grade UI solutions.

Ameriprise Financial Jago Link Inc – Minneapolis, MN Jul 2019 – Jan 2021

Full Stack Developer

eSignature Platform

Developed React-based enterprise applications supporting eSignature workflows and financial document management.

Built reusable React components, Redux-based state management, and responsive UI workflows.

Developed and integrated REST APIs using Java and Spring Boot microservices.

Worked with Postman, Axios, and backend services to support frontend-backend integration and business workflow automation.

Implemented responsive UI supporting desktop, tablet, and mobile users.

Wells Fargo Anagh Technologies Inc – Charlotte, NC Feb 2018 – Jun 2019

Frontend React Developer

Developed React and Redux applications supporting enterprise banking and underwriting workflows.

Built reusable UI modules, dynamic dashboards, and data visualization features using D3.js.

Integrated frontend applications with Java-based backend services and enterprise APIs.

Worked with Redux state management, asynchronous workflows, and enterprise frontend architecture.

Supported debugging, testing, and frontend optimization activities.

Best High Technologies LLC – Princeton, NJ Jan 2017 – Jan 2018

Frontend Developer

Developed Angular-based Single Page Applications support stock trading dashboards and internal business tools.

Integrated REST APIs and real-time data services for dynamic frontend workflows.

Built reusable frontend modules and responsive UI components using JavaScript and Angular.

Innovatis Technologies LLC – Jersey City, NJ Jan 2016 – Dec 2016

Web Developer

Developed AngularJS-based Single Page Applications and reusable UI components.

Integrated frontend applications with RESTful APIs and JSON-based services.

Built responsive web interfaces and client-side functionality for shopping cart applications.

Professional Summary:

Senior Frontend Engineer with 10+ years of experience designing and developing scalable, high-performance web applications and enterprise UI platforms.

Strong expertise in React, Next.js, TypeScript, JavaScript (ES6+), Redux, and modern frontend architecture for enterprise applications across banking, telecom, retail, and e-commerce domains.

Experienced in building reusable component libraries, responsive UI systems, and accessibility-compliant applications using Material UI, Tailwind CSS, and modern design systems.

Hands-on experience with frontend modernization, performance optimization, state management, API integration, and cloud-based deployments.

Strong background in Agile/Scrum environments collaborating with product managers, UX designers, backend engineers, and QA teams.

Experienced in CI/CD workflows, frontend testing automation, and enterprise production support.

Education:

Master of Computer Science 2019 – 2021

Harrisburg University of Science & Technology

Master of Electrical Engineering 2014 – 2015

Stevens Institute of Technology

Bachelor of Electrical Engineering & Automation 2007 – 2011

Guangdong University of Technology

Certifications:

Java Data Structure & Algorithms

Next.js E-Commerce Platform

React Full Stack Development with Spring Boot

Skills:

Frontend Technologies: React.js, Next.js, React Native, TypeScript, JavaScript (ES6+), Redux, Redux Toolkit, Zustand, React Query, HTML5, CSS3, Tailwind CSS, Material UI, Bootstrap

UI/UX & Design: Responsive Design, SPA Development, Design Systems, Accessibility (WCAG), Figma, Mobile Web Development

Testing & Automation: Jest, React Testing Library, Cypress, Cucumber

Build & DevOps: Webpack, Vite, Babel, Git, GitHub Actions, Jenkins, Docker, CI/CD

Backend & APIs: Node.js, Express.js, REST APIs, Java, Spring Boot, Python

Databases & Cloud: MySQL, PostgreSQL, MongoDB, Oracle SQL, AWS (S3, EC2, Lambda), Azure

Tools & Methodologies: Jira, VS Code, Storybook, Agile/Scrum, Performance Optimization, Debugging

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