Karthikeyan Vijayan

Work Experience

Full Stack Developer (Freelance)

01/2024 - Present

Built scalable web scraper processing 75K pages using Node.js, Cheerio, and MongoDB. Implemented custom extraction algorithms and optimized data storage.
Built an End-to-End Sports Competition Website (playu.in) featuring registration, payment processing, and form submissions, leveraging HTML, CSS, JavaScript, and Node.js, HAPI.js framework with integrated payment gateway for secure transactions.
Developed generatemymeal.com, a random meal generator website using HTML, CSS, and JavaScript that provides instant, customizable recipe suggestions through an interactive and responsive web application.

Full Stack Developer at Central Tech

03/2022 - 12/2023

Implemented single page checkout redesign, reducing checkout drops by 10%
Conducted 20+ A/B tests via Google Optimize and Insider, integrating successful ones into React-based e-commerce platform
Translated Zeplin and Figma UI/UX designs into React components
Collaborated with QA team to resolve bugs and ensure product stability
Managed analytics using Google Tag Manager, Analytics, and Optimize 360

Catalogue Associate at Amazon

01/2020 - 02/2022

Successfully optimized product listings for Amazon catalogue in US, UK, Canada, and Australia marketplace
Automated tasks using JavaScript to improve catalogue efficiency

Education

Bachelor of Engineering in Computer Science

Anna University

Key Projects

Built scalable web scraper processing 75K pages using Node.js, Cheerio, and MongoDB
Implemented custom extraction algorithms and optimized data storage
Developed End-to-End Sports Competition Website (playu.in) with registration and payment processing
Created random meal generator web application using React and Next.js

Skills

Languages

Java, JavaScript, TypeScript, Python

Technologies

React.JS, Node.JS, Express, Cheerio, HAPI.JS, RESTful APIs, MongoDB, Mongoose, PostgreSQL, HTML, CSS, Tailwind, SCSS, Jest, Git, Vite, Ngnix, CI/CD, Docker, Firebase