developer

VaibhavKhushalani

Full Stack Developer MERN Stack React Native Python Node.js

Full Stack Developer with4+ years of experiencebuilding scalable web and mobile applications usingMERN, React Native, and Python. Skilled inREST APIs, microservices, and AWS, with a focus on performance optimization and production-ready systems.

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Skills

General

80%

React Native

80%

TypeScript

80%

LanguagesJavaScript (ES6+)

80%

Java

80%

Python

80%

Redux Toolkit

80%

FrontendReact.js

80%

Next.js (SSR / ISR / SSG / CSR)

80%

Context API

80%

OAuth 2.0

80%

API Security

80%

DatabasesMongoDB

80%

PostgreSQL

80%

MySQL

80%

Redis — schema design

80%

indexing

80%

query optimization

80%

DevOps & CloudAWS (EC2

80%

FastAPI

80%

CSS3

80%

CSS

80%

Express.js

80%

JWT

80%

Tailwind

80%

REST APIs

80%

BackendNode.js

80%

WebSockets

80%

GraphQL

80%

HTML5

80%

Lambda)

80%

Docker

80%

Nginx

80%

CI/CD (GitHub Actions)

80%

Linux

80%

Git

80%

Caching & QueueRedis

80%

BullMQ

80%

background jobs

80%

task scheduling

80%

event-driven architecture

80%

ArchitectureMicroservices

80%

distributed systems

80%

system design

80%

scalable APIs

80%

performance tuning

80%

AI & ToolsLangChain

80%

FAISS

80%

LLM APIs

80%

GitHub Copilot

80%

Cursor

80%

Prompt Engineering

80%

Agile / Scrum

Experience

Full Stack Developer (MERN + Python + AI)

Hestabit Technologies

Jul 2025 → Present

Architected and shipped anAI-powered creator platformusingNode.js, React.js, and FastAPI; integrated LLM- Built ascalable interview assessment platformwithNode.js microservices, React front-end, and sandboxed ImplementedBullMQ + Redisqueue system for asynchronous job processing, reducing API response latency by Enforced platform security viaJWT, RBAC, sandboxed execution environments, and real-time activity monitor-

Full Stack Developer (MERN + Next.js)

SellersCommerce

Mar 2023 → Jul 2025

* Led end-to-end development of **Catalog Sync**, a high-throughput data pipeline that automated large-scale product ingestion. * Delivered a **microfrontend architecture** using shared NPM packages across 5+ product teams, significantly accelerating feature delivery. * Improved **Core Web Vitals** (LCP, CLS, FID) to meet performance benchmarks through SSR, ISR, lazy loading, and code splitting. * Designed and maintained **RESTful APIs** with Node.js, integrating third-party services such as Stripe payments and Shopify Storefront API.

Software Developer Delhi, India

Kylo Apps

Oct 2022 → Mar 2023

Built and deployed full-stackMERN applicationsincluding dashboards, admin panels, and REST APIs.

React Developer Intern Delhi, India

Kylo Apps

Jan 2022 → Oct 2022

Built reusable React.js components and React Native features, reducing development time by20%and improving Improved frontend performance usinglazy loading, memoization, and code splitting.

Projects

ArtGenio — AI Prompt Discovery Platform

Designedscalable REST APIswith Node.js and Python (FastAPI); implementedRedis caching and full-text

ReactNode.jsPythonMongoDB2024 – Present

VaibhavGPT — RAG-based AI Assistant

Built aretrieval-augmented generation (RAG)assistant usingLangChain, FAISS vector store, and FastAPI

FastAPILangChainFAISSReact.js2024

Certifications

Microsoft Azure Certified— DP-900 Data Fundamentals

Microsoft Azure Certified AI-900 AI Fundamentals

Top Performer— Flipkart GRiD 4.0 Engineering Challenge Finalist— iNeuron Teach-A-Thon

Education

B.Tech in Computer SciencePoornima College of Engineering (RTU)

Jaipur

2019 → 2023

Class 12

PCM (CBSE Board)All Saints School

2018 → 2019

Contact

Open to opportunities, collaborations, and great conversations.

vaibhavkhushlani04@gmail.com

Github Linkedin