Logo Kathir

Full-Stack Web Developer Chennai, Tamil Nadu

Hi, I’m Kathiravan

Expert in React, Angular, Node.js, and MySQL. I build secure, scalable web applications and deploy them on AWS and MilesWeb.

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React
Angular
Node.js
MySQL
JavaScript
TypeScript
Tailwind
AWS
MilesWeb
GoDaddy
React
Angular
Node.js
MySQL
JavaScript
TypeScript
Tailwind
AWS
MilesWeb
GoDaddy
Lets Talk LinkedIn
Kathiravan

Years of Experience

3.5+ Years

About Me

With 3.5+ years of experience in web development, I specialize in crafting user-friendly applications that performance and design. I like solving complex challenges, collaborating with teams, and learning new technologies.

Frontend Development

Responsive UIs with Angular & React.

Backend & APIs

Scalable APIs using Node.js, Express & MySQL.

Security & Optimization

Expertise in authentication, encryption & performance tuning.

Cloud & Methodologies

Experience with AWS, Netlify, milesWeb, Jenkins, Git, SVN, Agile, Code Reviews, CI/CD

Quick Info

Chennai, Tamil Nadu

codewithkathir@gmail.com

8754101216

Compindia - Full-Stack Web Dev (Feb 2022 – Present)

Let’s Connect

Download my resume to explore my career

Download Resume

Skills & Technologies

Front-end

Angular React TypeScript JavaScript HubSpot (CMS) Tailwind Bootstrap CSS HTML

Back-end

Node.js Express.js JWT Passport Crypto.js RESTful APIs MySQL CryptoJS SendGrid

DevOps

Jenkins GoDaddy milesWeb Git SVN AWS

Tools

VS Code XAMPP HeidiSQL Postman ChatGPT Gemini zapier

Highlighted Projects

Keyword Tool

Google Search Tool

Developed an internal tool for the marketing team to track keyword positions efficiently.

Accuracy

Tracks keyword positions and related pages accurately.

80%

File Upload

Uploads CSV files, processes keyword batches, and sends data securely in encrypted format.

100%

Results

Downloads results as a CSV file and updates the existing data automatically.

95%
Angular Node.js JavaScript API Tailwind
Keyword Tool Preview

Tech.us

UI/UX & Front-end

Built clean, responsive UI with smooth animations and consistent design across devices.

Responsive UI

Works seamlessly on desktop & mobile devices.

100%

Animations

Smooth hover and page transitions for better UX.

90%

UX Design

Modern interface with clear navigation.

95%
HTML CSS JavaScript HubSpot Tailwind
Demo
Tech.us Vector

Friends in Christ

Quiz Application

An interactive quiz platform with shuffled questions, pass-only certificates, weekly leaderboards, and profile updates.

Shuffled Quizzes

Questions and options are randomized each attempt.

100%

Certificates

Awarded only to passed candidates.

✔

Leaderboard

Weekly updates showing top performers.

Weekly

Admin Panel

Create and manage quizzes and questions.

Admin
React Tailwind CSS Node.js MySQL MilesWeb Jenkins GoDaddy
Demo
Friends in Christ Quiz App

Emailer

Automated Email Scheduling System

Cron-based email automation tool with client approval workflow, built for secure and scalable campaigns.

Cron Automation

Automates bulk email blasts using AWS-SES.

90%

Client Approval Flow

Ensures error-free campaigns by reviewing emails before scheduling.

100%

Backend APIs

Handles scheduling, authentication, and email delivery.

95%

Database

MySQL database stores campaign and client data securely.

100%
Angular Node.js MySQL AWS-SES Cron Jobs
Emailer Vector

Annotation

Image Labeling & Detection

Browser-based ML tool to annotate and classify images using TensorFlow.js.

Image Upload

Users can upload images for labeling.

100%

Object Annotation

Mark and detect objects using Annotorious.

95%

ML Classification

Classifies images in-browser using TensorFlow.js models.

90%

Security

Secure handling of user data and session storage.

100%
React Node.js TensorFlow.js Annotorious
Annotation Vector

Quiz App

Admin & User

REST API-based quiz platform with secure admin access and smooth user experience.

Authentication

Secure login and role-based access control.

100%

REST APIs

Manages quizzes, users, and results efficiently.

95%

End-to-End Encryption

All quiz data is securely protected during transfer.

100%

Scalability

Can handle multiple quizzes and users efficiently.

95%
Node.js MySQL CryptoJS
Quiz App Vector

Experience

Profile

Senior Web Developer

Compindia Infotech Pvt Ltd

Chennai, Aminjikarai, TamilNadu 600029

Feb 2022 — Present

Frontend

  • Responsive apps with Bootstrap & Tailwind
  • Reusable components for faster development
  • Interactive UI & animations for better UX

Backend

  • MVC architecture in Node.js
  • Secure DB operations & stored procedures
  • REST APIs for multiple apps

Key Achievements

Delivered fully responsive enterprise apps

Impact: 100+ pages optimized

Implemented secure authentication & role-based access

Users secured: 500+

Optimized backend performance with stored procedures

Performance ↑ 40%

Smooth UI animations & reusable components for faster dev

Reusability ↑ 60%

Technologies

HTML CSS Tailwind Bootstrap React Angular JavaScript TypeScript HubSpot CMS Node.js Express.js JWT Passport Crypto.js RESTful APIs MySQL SendGrid GoDaddy Jenkins Docker MilesWeb Git SVN AWS

My Services

Website Development

Design and build both the front-end and back-end of websites, ensuring responsive, user-friendly interfaces and secure, functional back-end systems.

Web Application Development

Create custom web applications, including e-commerce platforms and CMS, integrating both client-side and server-side development.

API Development

Build APIs to enable communication between different software systems and integrate third-party services and mobile apps.

Database Design and Management

Design and manage databases, optimizing for performance, scalability, and data integrity using MySQL.

Performance Optimization

Optimize the speed and performance of websites or applications, improving load times and ensuring smooth user experiences.

Maintenance and Support

Provide ongoing maintenance, fix bugs, update features, and ensure security post-launch of web applications and websites.

UI/UX Design

Create visually appealing and user-friendly designs that offer seamless, intuitive experiences for web applications.

Cloud Deployment

Deploy applications to cloud platforms like AWS and MilesWeb , handling configurations, scaling, and performance for high availability.

Security Implementation

Implement security protocols to protect applications and data from threats, ensuring data encryption and secure access.

Achievements

Secure Apps — E2E Encryption

Backend

Implemented robust encryption & secure DB patterns in production.

Architecture Creation

Fullstack

Designed modern frontend & backend architecture for projects.

Library Creation

Frontend

Built reusable front-end component libraries for projects.

Performance Optimization

Fullstack

Optimized Front-end rendering and Back-end API performance for faster, smoother apps.

Team Leadership / Mentoring

Team Work

Guided junior developers, conducted code reviews, and improved team workflow.

AWS Deployments

Cloud

Hands-on with SES, S3, EC2 for production projects and email infrastructure.

Profile

Let’s Connect

Have a project or role in mind? Send me a message.

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