JJahanara Khatun
Available for new roles

Hi, I'm Jahanara.
 

I build scalable web platforms, intuitive dashboards and AI-powered tools — with 4+ years across React, Node and the modern web.

View projects Resume GitHub
Experience
4+ yrs
Projects
15+
Stack
MERN · AI
Portrait of Jahanara Khatun
React.jsNext.jsTypeScriptRedux ToolkitRTK QueryTailwind CSSMaterial UIReact Hook FormNode.jsExpress.jsREST APIsGraphQLJWT / OAuthMicrosoft GraphSharePoint APIMongoDBPostgreSQLMySQLRedisOpenAI APIsPrompt EngineeringAgentic AIClaude CodeCodexAI WorkflowsDockerCI/CDAzure DevOpsGitHub ActionsAWS LambdaVercelJestReact Testing LibraryPlaywrightESLintPrettier

Selected work

Featured projects

RepoGuard Agent AI preview
2026AIPython

RepoGuard Agent AI

RepoGuard Agent AI is an AI-powered repository auditing and code-analysis platform designed to analyze a software repository and provide developers with a structured view of its code quality, architecture, dependencies, testing, risks, findings, evidence, and analysis trajectory. It combines a Next.js/TypeScript frontend, a FastAPI/Python backend, a PostgreSQL database, and AI-agent-oriented analysis workflows built with LangChain and LangGraph. The dashboard tracks repositories analyzed, audits completed, average quality scores and evidence-backed findings, with full audit history and agent traces.

  • ▸Agentic audit workflows orchestrated with LangChain and LangGraph
  • ▸Evidence-backed findings on code quality, architecture, dependencies and risks
  • ▸Dashboard with audit history, quality scores, agent traces and evaluation metrics

Tech stack

ReactNext.jsTypeScriptTailwind CSSPythonFastAPILangChainLangGraphPostgreSQLAI/ML
Live demo Source code
AI-First Agentic CRM preview
2026AIPython

AI-First Agentic CRM

Built a production-ready AI-assisted CRM for Healthcare Professionals (HCPs) using React, FastAPI, LangGraph, and Groq LLM. The platform automates interaction logging, AI-generated follow-up recommendations, conversation summaries, HCP lookup, history retrieval, and intelligent workflow execution with modern UI and secure REST APIs.

  • ▸Built multi-agent workflows using LangGraph
  • ▸Automated HCP interaction summaries and AI follow-up suggestions
  • ▸Developed secure FastAPI REST APIs with PostgreSQL integration

Tech stack

ReactTypeScriptPythonFastAPILangGraphGroq LLMPostgreSQLSQLAlchemyDocker
Live demo Source code
Employee Management System preview
2026Full StackReact

Employee Management System

Developed a full-stack Employee Management System supporting Super Admin, HR Manager, and Employee roles. Includes secure authentication, department management, employee records, organization charts, analytics dashboards, and responsive UI using React, TypeScript, Node.js, and MongoDB.

  • ▸Role-based authentication for Super Admin, HR Manager and Employees
  • ▸Interactive organization hierarchy using React Flow
  • ▸Employee analytics dashboard powered by Recharts

Tech stack

ReactTypeScriptNode.jsExpressMongoDBZustandJWTTailwind CSSDocker
Live demo Source code
Porter Logistics Mobile App preview
2026MobileReact Native

Porter Logistics Mobile App

Developed a logistics mobile application using React Native, Expo Router, TypeScript, and REST APIs. Features include authentication, shipment tracking, booking workflows, reusable UI components, offline-ready architecture, and responsive mobile-first experience for Android and iOS.

  • ▸Cross-platform mobile application using Expo
  • ▸Shipment booking and tracking workflows
  • ▸Reusable mobile UI components with TypeScript

Tech stack

React NativeExpoTypeScriptExpo RouterREST API
Source code
JSON Formatter & Validator preview
2026ReactUI

JSON Formatter & Validator

A production developer tool that lets engineers paste, upload or fetch JSON and instantly format, validate, minify, tree-view, copy and download it. Ships with strict error reporting (line + column), keyboard-first controls and a distraction-free dark UI tuned for long editing sessions.

  • ▸Instant parse + validation with precise error line/column reporting
  • ▸Tree, raw, minified and diff views with copy/download
  • ▸Keyboard shortcuts for format, minify, copy and clear

Tech stack

TypeScriptReact 18ViteTailwind CSSZod
Live demo Source code
Binance Futures Trading Bot preview
2026PythonNode

Binance Futures Trading Bot

Built a production-ready Binance Futures Trading Bot using Python, Flask, and REST APIs. Supports BUY/SELL MARKET and LIMIT orders, structured logging, input validation, error handling, Click CLI, reusable architecture, and a responsive web dashboard for account monitoring and order execution.

  • ▸Supports BUY/SELL MARKET and LIMIT orders on Binance Futures Testnet
  • ▸Structured logging, validation and robust error handling
  • ▸Interactive Flask dashboard with account balance and order summary

Tech stack

PythonFlaskRequestsClickREST APIBootstrapJavaScript
Live demo Source code
IP
2026MERNFull Stack

Investment Pro App

A full stack investment dashboard for tracking multi-asset portfolios. Users can add holdings, watch tickers, view allocation and P&L over time and drill into per-asset analytics. Built with a typed React front end talking to a Node/Express API and a MongoDB store.

  • ▸Portfolio, watchlist and per-asset analytics screens
  • ▸Time-series charts with allocation and P&L breakdown
  • ▸Auth, protected routes and REST API with Express + MongoDB

Tech stack

ReactTypeScriptNode.jsExpressMongoDBRecharts
Source code
AH
2026ReactUI

Aurora Health Companion

A wellbeing companion app that helps users log daily habits (sleep, water, mood, activity) and see gentle weekly trends. Designed with an accessible, low-contrast-safe palette and a mobile-first layout so it works well on phones as a lightweight PWA.

  • ▸Daily habit logging with weekly trend cards
  • ▸Accessible color system and large tap targets
  • ▸Mobile-first responsive layout

Tech stack

ReactTypeScriptTailwind CSSPWA
Source code

Toolbelt

Tech I ship with

Frontend

  • React.js
  • Next.js
  • TypeScript
  • Redux Toolkit
  • RTK Query
  • Tailwind CSS
  • Material UI
  • React Hook Form

Backend

  • Node.js
  • Express.js
  • REST APIs
  • GraphQL
  • JWT / OAuth
  • Microsoft Graph
  • SharePoint API

Databases

  • MongoDB
  • PostgreSQL
  • MySQL
  • Redis

AI & Tooling

  • OpenAI APIs
  • Prompt Engineering
  • Agentic AI
  • Claude Code
  • Codex
  • AI Workflows

DevOps & Cloud

  • Docker
  • CI/CD
  • Azure DevOps
  • GitHub Actions
  • AWS Lambda
  • Vercel

Testing & Quality

  • Jest
  • React Testing Library
  • Playwright
  • ESLint
  • Prettier

Have a role or product in mind?
Let's talk.

Get in touchjkhatun258@gmail.com