Karan Shah's Resume

Karan Shah

Versatile Software Developer dedicated to building high-quality, scalable, and user-centric products with optimized performance.

Jersey City, NJ, US

About

Software Developer specializing in ReactJS, AngularJS, NodeJs, and Java, with experience in building scalable applications and optimizing databases. Passionate about performance optimization and user-focused solutions.

Work Experience

ADP

07/2022 - 09/2024

Associate Application Developer

  • Built a ReactJS + Spring Boot app, improving UI/UX by 15% and reducing user errors by 18%.
  • Implemented secure JWT-based login and optimized REST API data flow.
  • Integrated Angular module for 3rd-party navigation with 200+ unit tests.
  • Migrated legacy UI to OneUI Angular, resolving 200+ WCAG issues.
  • Boosted user engagement by 30% and cut support tickets by 23%.
  • Developed a feature flag system for dynamic UI rollouts, reducing rollback needs by 50%.
  • Improved query speed by 20% using partitioning and caching.
  • Automated testing with Cucumber, reducing production bugs by 15%.
  • Wrote 300+ JUnit tests, increasing SonarQube coverage to 66%.
  • React
  • Angular
  • SQL
  • Java
  • Spring Boot

Digimaze

06/2020 - 12/2020

Full Stack Developer

  • Improved UI with Angular Material, boosting responsiveness by 15%.
  • Increased user retention by 20% through enhanced frontend design.
  • Optimized MySQL with indexing & caching, reducing query time by 15%.
  • Built & deployed RESTful APIs using Spring Boot & JPA, optimizing database performance by 10%
  • Applied rate limiting using Bucket4j, cutting excessive API calls by 25%.
  • Angular
  • MySQL
  • MongoDB
  • Java
  • Spring Boot

Digimaze

12/2019 - 05/2020

Full Stack Developer Intern

  • Built responsive UIs with Angular + Bootstrap, increasing satisfaction by 30%.
  • Improved load time by 10% via backend and frontend code optimization.
  • Resolved 20% more bugs by enhancing Spring Boot + MySQL backend.
  • Angular
  • MySQL
  • MongoDB
  • Java
  • Spring Boot

Education

Stevens Institute of Technology

01/2021 - 05/2022
Master of Science in Computer Science

Dharmsinh Desai University

07/2016 - 05/2020
Bachelor of Technology in Information Technology

Skills

  • C
  • C++
  • Java
  • Python
  • C#
  • HTML
  • CSS
  • JavaScript
  • TypeScript
  • MySQL
  • Postgres
  • MongoDB
  • Sql
  • ReactJS
  • NodeJS
  • AngularJS
  • RESTful API
  • Spring Boot
  • ExpressJS
  • JSP
  • ASP.NET
  • Servlets
  • Jenkins
  • Git
  • GitHub
  • GitLab
  • Jira
  • Postman
  • Visual Studio
  • Visual Studio Code
  • IntelliJ
  • Docker

Projects

FriendSync

A real-time chat application with user authentication, OAuth 2.0 (Google, Facebook, GitHub),enabling user search, account deletion, image sharing, and live updates

  • Node.js
  • Express
  • MongoDB
  • Socket.io
  • React

ProfChecker

A professor rating platform allowing users to post, search, and review professors, featuring user authentication, data validation, and dynamic content rendering for an interactive experience

  • NodeJs
  • Express
  • JavaScript
  • MongoDB

EasyNotes

A note-taking web app with JWT authentication, CRUD operations, real-time updates, and cloud storage integration, enabling users to securely create, edit, and organize notes efficiently

  • MongoDB
  • Express
  • React
  • NodeJs

Todo List

A task management app with CRUD functionality, local storage persistence, user authentication, and real-time updates, helping users organize, track, and manage daily tasks efficiently

  • React
  • Vite.js
  • Tailwind CSS

Snake Game

A classic Snake game built in React, featuring Strict Mode, Wrap Mode, dynamic speed, score tracking, local storage for high scores, pause/resume functionality, and a level-up system for an engaging experience

  • React
  • JavaScript
  • CSS

TicTacToe Game

A classic Tic-Tac-Toe game built with React, featuring two-player mode, interactive UI, real-time status updates, and game state persistence, providing a smooth and engaging user experience

  • React
  • JavaScript
  • CSS