Skip to content
View arka562's full-sized avatar
🎯
Focusing
🎯
Focusing

Block or report arka562

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
arka562/README.md

Arkaprava Ghosh

Full-Stack Developer (MERN)  |  Data Analyst

Graduated as B.Tech CS (IoT), 2026 — Targeting SDE & Data Analyst roles

LinkedIn Email Twitter


About

  • Building full-stack systems with measured performance, not just working demos.
  • Background spans real-time systems engineering (API latency, caching, fallback architecture) and data analytics (SQL, ETL, dashboards).
  • Every metric on this page comes from testing on the actual project — none of it is estimated.

Tech Stack

Languages Python JavaScript Java SQL

Frontend React TailwindCSS

Backend Node.js Express JWT

Data & Databases MongoDB MySQL Redis DuckDB Pandas NumPy Scikit-learn

Visualization & Tools Streamlit Plotly PowerBI Git Jest


Projects

🔹 BlinkChat — Real-Time Chat Application

Node.js Express.js MongoDB Redis React

  • Cut median response latency 81% (2,547ms → 468ms) by introducing Redis caching.
  • Covered core flows with 8 Jest/Supertest integration tests.

Repo · Live — Render · Live — Vercel


🔹 IPL Analytics & Prediction Platform

Python Streamlit SQL DuckDB Plotly

  • Warehoused 1,200+ matches and 294K+ deliveries into DuckDB.
  • SQL using CTEs and window functions for phase-wise and player-level analysis.
  • 7-page interactive dashboard covering season trends, venue par scores, and win-probability models.

Repo · Live App


🔹 Supply Chain Delay Prediction

Python SQL Power BI Random Forest

  • Random Forest with class-weight balancing: 87% accuracy vs. 69% logistic regression baseline.
  • 93% precision on on-time order predictions.
  • Full ETL pipeline: SQL ingestion → cleaning → feature engineering → model training → Power BI dashboard.

Repo


🔹 India Crime Analysis & Visualization Dashboard

Python Pandas NumPy Streamlit

  • Cleaned and analyzed 10,000+ NCRB records across states and years.
  • Year-over-year growth-rate forecasting and per-capita normalization for fair state comparison.
  • Deployed dashboard with choropleth maps and state-wise filters.

Repo · Live App


🔹 AI Interview Preparation Platform

MERN Gemini API Groq

  • Multi-provider LLM routing (Groq median response ~784ms) with circuit-breaker fallback for provider failures.
  • Fixed a cross-region DB misconfiguration, improving API response time 70%.

Repo · Live App


GitHub Stats


Connect: LinkedIn  ·  Email  ·  Twitter/X

Pinned Loading

  1. ai-interview-coach ai-interview-coach Public

    AI-powered interview preparation platform with adaptive question generation, voice interview mode, and multi-LLM routing (Gemini, Groq, OpenRouter). Built with MERN stack, Redux Toolkit, JWT auth, …

    JavaScript 2

  2. blinkchat blinkchat Public

    Full-stack real-time chat app built with MERN + Socket.IO + Redis + Cloudinary. Features live messaging, emoji reactions, read receipts, and optimistic UI.

    JavaScript 2

  3. e-logbook e-logbook Public

    Full-stack industrial shift operations management system built for Adani Power Limited — digitizes shift logging, parameter monitoring, issue tracking, handover notes, PDF reports, audit trails, an…

    JavaScript 2

  4. india-crime-dashboard india-crime-dashboard Public

    Interactive crime analytics dashboard built with Python, Streamlit & Plotly — visualizes NCRB data (2021–2023) with state rankings, choropleth maps, YoY trends, and ML-based forecasts.

    Jupyter Notebook 2