Karthikeyan Tamilselvi

Frontend Developer

Coimbatore, Tamilnadu 7+ yrs exp 95 · Outstanding

About

Frontend Developer with 2+ years of experience building scalable enterprise web applications using React.js, JavaScript, TypeScript, SPFx, REST APIs, Ant Design, Bootstrap, and Google Apps Script. Experienced in workflow automation, dashboard development, inventory management, attendance systems, SharePoint solutions, and business process digitization with a strong focus on performance optimization, responsive design, cross-browser compatibility, maintainability, and user experience.

Skills & Expertise (34)

React Advanced

8.6/10

Years Exp

React.js Advanced

8.5/10

Years Exp

Responsive Web Design Advanced

8.0/10

Years Exp

JavaScript Advanced

8.0/10

Years Exp

CSS3 Advanced

8.0/10

Years Exp

HTML5 Advanced

8.0/10

Years Exp

REST API Integration Intermediate

7.5/10

Years Exp

Typescript Intermediate

7.5/10

Years Exp

Git Intermediate

7.0/10

Years Exp

Ant design Intermediate

7.0/10

Years Exp

bootstrap Intermediate

7.0/10

Years Exp

Agile Development Intermediate

7.0/10

Years Exp

Data Visualization React Router Axios Ux development Single Page Applications Google Apps Script Role-based access control Performance Optimization Debugging Problem Solving lazy loading Form validation Component-Based Architecture State Management React Hooks HTML UI Cross-Browser Compatibility GSAP Fluent UI GitHub CSS

Work Experience

Frontend Developer

SREE PETHARNA ENTERPRISES

Nov 2024 - Present

Built a Inventory Management System for Haitian Middle & Africa using React, Ant Design, and Google Apps Script with Google Sheets as the database. Implemented role-based access control, inventory tracking, purchase request and delivery workflows with PDF generation and stock updates, dashboard analytics, Excel export, and automated backups with Google Drive integration. Developed responsive landing pages for Wings Way Training Institute (Dubai) using React, integrating LeadSquared CRM as the backend. Built a Service Report Management Web Application for Haitian Middle East & Africa and Tongda Machinery using React, Ant Design, jsPDF and Google Apps Script with Google Sheets as the database. Implemented authentication, service report form submission, PDF generation, machine registry lookup, image upload, digital signatures, Excel export, search/edit features, and automated backups, replacing a manual paper-based reporting system. Developed a Task tracking app in React where employees can log tasks. Admins can view performance and assign tasks. Maintained the Haitian Middle East & Africa website using Wix by updating pages, publishing blogs, and managing website content.

Junior Engineer - Sharepoint Developer

QUADRA SYSTEMS

Nov 2023 - May 2024

Upgraded an outdated SharePoint App Document Management System (DMS) to a newer version, improving performance and enhancing the user interface. Developed a range of SharePoint apps, including: File bulk upload, Calendar event blocking, Leave management system, Dynamic list creation, Norton motorcycles request form. Worked on Sharepoint site migration for Norton motorcycles.

Specialist Payor Auditor

APEXON

Nov 2017 - Jan 2023

Performed an audit of processes such as PEGA Medicaid, UWF Billing, CHP Invoice, CHP Disenrollment, CHP Payments, PEGA EIM on behalf of Healthfirst Insurance, ensuring that they meet the requirements of Healthfirst’s audit guidelines.