Vijay Kumar
0%

Based in Bengaluru, India

Data Analyst & ML Engineer

Building production-grade ML systems, RAG pipelines, and AI-powered solutions that transform raw data into business value.

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About

Who I Am

Vijay Kumar — Data Analyst & ML Engineer Open to opportunities

I'm an aspiring Data Analyst and ML Engineer passionate about leveraging data and machine learning to solve complex business problems. My journey in tech has been driven by curiosity and a commitment to continuous learning.

With experience spanning from Web Development internships to hands-on industry roles, I've developed a unique perspective that combines technical expertise with business acumen.

Currently building portfolio-ready projects in Machine Learning, RAG systems, Multi-Agent AI, and MLOps — with hands-on experience in Docker, LangChain, and production-grade ML pipelines.

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ML Engineering RAG Systems Data Analytics LangChain MLOps Multi-Agent AI ML Engineering RAG Systems Data Analytics LangChain MLOps Multi-Agent AI

Tech Arsenal

📊

Data Analytics & BI

Microsoft Power BI Tableau SQL Data Visualization Statistical Analysis KPI Tracking
🐍

Programming & Data Science

Python NumPy Pandas Seaborn Jupyter
🤖

Machine Learning & AI

Scikit-learn TensorFlow LangChain RAG Systems Deep Learning NLP GenAI
🗄️

Database & Big Data

MySQL PostgreSQL MongoDB ETL Processes
🛠️

Tools & Platforms

Git / GitHub Streamlit FastAPI AWS MLflow Docker
📈

Business & Analytics

A/B Testing Root Cause Analysis Data Mining Market Research Business Strategy

GitHub Contributions

@VijayKumaro7 ↗
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Selected Work

All on GitHub ↗
PROJECT 01

Craftgent

Minecraft-styled collaborative chat app where 3 AI agents work together — NEXUS researches, ATLAS synthesizes, and ORACLE validates — delivering rich multi-source answers in an immersive UI.

Multi-agent AIVanilla JSLLMChat
3
Collaborating Agents
Real-time
Agent Sync
PROJECT 02

Multi-Agent AI Orchestration

LangGraph-based multi-agent system with Planner, Executor, Web Researcher, Chart Generator, and Synthesizer agents. Processes 1000+ tasks daily with 95% automation rate and 75% time reduction.

LangGraphLangChainAI AgentsPython
75%
Time Saved
1000+
Tasks Daily
Explore
PROJECT 03

Multi-Agent Sales Intelligence

Enterprise sales intelligence platform built with Snowflake Cortex and LangGraph. Automates sales data analysis and lead scoring, reducing analysis time by 80% while improving lead conversion by 40%.

Snowflake CortexLangGraphSales AnalyticsAI Agents
40%
Lead Conversion ↑
80%
Analysis Time ↓
Explore
PROJECT 04

MedicalAI System

Multi-agent medical AI system using Scikit-learn for disease risk classification, combining multiple specialist agents for diagnosis support, treatment recommendation, and patient risk stratification.

Scikit-learnMulti-agentHealthcare AIPython
Multi
Specialist Agents
Real-time
Risk Classification
Explore
PROJECT 05

Production RAG Pipeline

Production-grade RAG system with ChromaDB/FAISS vector stores, RAGAS evaluation framework, MLflow experiment tracking, and an interactive Streamlit dashboard. Achieved 0.85 answer relevancy score.

PythonLangChainRAGASMLflowStreamlit
0.85
Answer Relevancy
75%
Response Boost
PROJECT 06

Legal Domain RAG System

Fine-tuned a sentence-transformer on legal domain data and built a dual RAG pipeline with custom embedding optimization for legal terminology. Domain-specific accuracy improvements of 90%.

Sentence TransformersRAGFine-tuningLegal Tech
90%
Domain Accuracy
85%
Retrieval Precision
Explore
PROJECT 07

QueryBridge AI Router

Intelligent query routing system using LangChain and FastAPI that automatically classifies and routes queries to SQL databases, RAG systems, or hybrid processing pipelines with 92% routing accuracy.

FastAPILangChainSQLRAGQuery Routing
92%
Routing Accuracy
60%
Speed Boost
Explore
PROJECT 08

Sentinel AML Dashboard

Compliance analytics dashboard for banking that ranks AML deadlines and flags high-risk cases, helping analysts prioritize workloads before SLA breaches occur. Reduces missed compliance deadlines.

Compliance AnalyticsBankingAMLDashboard
Real-time
Risk Ranking
SLA
Breach Prevention
Explore
PROJECT 09

FlightOps Delay Intelligence

MySQL-powered airline operations analytics system that detects SLA breaches, root-causes delay patterns, and generates automated operations reports for flight performance optimization.

MySQLAirline AnalyticsSLA DetectionSQL
Auto
SLA Breach Detection
Root
Cause Analysis
Explore
PROJECT 10

HR Data Analysis

Power BI dashboards presenting key HR metrics aligned with client needs — headcount trends, attrition analysis, performance KPIs, and workforce distribution across departments and regions.

Power BIHR AnalyticsKPI DashboardData Viz
Multi
KPI Tracking
Interactive
BI Dashboard
Explore
PROJECT 11

Data-Driven Root Cause Analysis

Comprehensive supply chain analytics solution combining statistical root cause analysis, anomaly detection, and automated reporting to identify and resolve operational bottlenecks at scale.

PythonSupply ChainAnomaly DetectionAnalytics
E2E
Supply Chain View
Auto
Root Cause Reports
Explore
PROJECT 12

Global Wildfire Analysis & Modeling

Merges NASA FIRMS satellite fire data with Open-Meteo weather data to uncover fire-weather correlations, build predictive models, and visualize global wildfire risk patterns across time and geography.

NASA FIRMSPythonOpen-MeteoGeo Analytics
Global
Satellite Data
Fire-Weather
Correlation Model
Explore
PROJECT 13

AI Users Analysis

Simulates and analyses a dataset of 10,000 AI user interactions — capturing usage patterns, satisfaction scores, tool preferences, and behavioral clusters to surface insights about AI adoption trends.

PythonPandasData AnalysisSimulation
10K
User Interactions
Cluster
Behavioral Analysis
Explore
PROJECT 14

Personal Finance Dashboard

Advanced Excel dashboard for personal finance tracking — 7 interconnected sheets, 600+ SUMPRODUCT formulas, budget variance tracking, savings goals, and investment performance visualizations.

ExcelFinanceDashboardSUMPRODUCT
7
Sheets
600+
Formulas
Explore
PROJECT 15

Real-Time Stock Forecasting

Real-time stock market forecasting tool leveraging LSTM and ARIMA models for time-series prediction. Interactive visualization dashboard for market trend analysis and prediction confidence intervals.

PythonLSTMARIMATensorFlowTime Series
88%
Prediction Accuracy
Real-time
Processing
Explore
PROJECT 16

Skincare Recommendation Engine

Virtual Skincare Advisor using Selenium web scraping and cosine similarity algorithms. Processes 1000+ products to deliver personalized skincare recommendations based on skin type and concerns.

PythonSeleniumCosine SimilarityML
95%
Match Accuracy
1000+
Products Analyzed
Explore
PROJECT 17

Stock Price Picker

Comprehensive Python tool for analyzing stock prices — tracks real-time quotes, computes technical indicators (RSI, MACD, Bollinger Bands), and provides screener-style comparisons across watchlists.

PythonFinanceTechnical AnalysisData Viz
Real-time
Stock Tracking
Multi
Tech Indicators
Explore
PROJECT 18

Portfolio Analyzer

Investment portfolio analysis tool that tracks stocks, mutual funds, and digital currencies — computing risk metrics, Sharpe ratio, correlation matrices, and rebalancing recommendations.

PythonFinanceStocksCryptoRisk Metrics
Multi
Asset Classes
Sharpe
Risk Analytics
Explore
PROJECT 19

Dynamic Motion Capturing

Led a team to develop a real-time motion-capturing system using wearable technologies. Processes sensor data streams for body pose estimation, gesture recognition, and movement analytics.

Wearable TechReal-timePose EstimationTeam Project
Real-time
Motion Capture
Wearable
Sensor Fusion
Explore
PROJECT 20

Inferix — Dockerized ML Platform

Dockerized ML inference engine serving 2 scikit-learn models via Flask REST API with multi-stage builds optimized to a 50MB image. Production-ready model serving infrastructure for rapid ML deployment.

DockerFlaskScikit-learnREST APIMLOps
50MB
Image Size
100%
Deploy Success
PROJECT 21

RAG Flashcards

Next.js 14 flashcard app with 50 cards across 10 RAG topics — chunking, embeddings, vector stores, retrieval strategies, and evaluation — making complex RAG concepts interactive and memorable.

Next.js 14TypeScriptRAGEducation
50
Flashcards
10
RAG Topics
Explore
PROJECT 22

LandDocs — Multilingual Platform

Multilingual React platform for secure land registration in India. Supports document management, verification workflows, multi-language UI, and comprehensive land record management.

ReactJavaScripti18nDocument Management
Multi
Language Support
Secure
Doc Verification
PROJECT 23

Medical Sync

Web application for organ transplantation data management — tracks donor-recipient matching, surgical schedules, post-operative monitoring, and compliance reporting to boost hospital coordination efficiency.

Web AppHealthcareData ManagementFull-stack
Donor
Recipient Matching
Real-time
Surgical Tracking
Explore
PROJECT 24

NotionAI Notepad

Notion-inspired web application with clean UI/UX, local-first encrypted storage, AI-assisted note organisation, and rich-text editing. Privacy-first design keeps all data on-device.

Vanilla JSEncrypted StorageAILocal-first
Local
Encrypted Storage
AI
Note Assistance
PROJECT 25

WikiResearch

Real-time Wikipedia Research Assistant built with Vanilla JS. Fetches, summarises, and cross-links Wikipedia articles on any topic, enabling rapid knowledge exploration with a clean reading interface.

Vanilla JSWikipedia APIResearch Tool
Real-time
Wiki Fetch
Auto
Cross-linking
PROJECT 26

UrbanEco Designs Suite

Digital productivity and branding suite integrating Excel dashboards, WordPress site management, workflow automation scripts, and brand asset generation for a design-focused small business.

ExcelWordPressAutomationBranding
Full
Digital Suite
Auto
Workflow Scripts
Explore
PROJECT 27

Agentic Compile Craft

Modern web application built with React, TypeScript, Vite, Tailwind CSS, and shadcn/ui — an agentic code compilation and craft platform with component-driven architecture and fast DX.

ReactTypeScriptViteTailwind CSSshadcn/ui
Vite
Fast Build
TS
Type-safe
Explore
PROJECT 28

WorldRadioFM

Clean browser app for streaming live internet radio stations from around the world. Features station search, genre filtering, favourites list, and a minimal player UI with no account required.

Vanilla JSStreamingBrowser AppRadio API
Global
Station Library
Zero
Sign-up Required
PROJECT 29

Team Strategy Grid

Browser-based cooperative and versus strategy game featuring fog of war, squad selection, territory control, and turn-based tactics — all running client-side with zero dependencies.

JavaScriptStrategy GameCanvasFog of War
Multi
Game Modes
Zero
Dependencies
Explore
PROJECT 30

Blackjack Simulator

Python program that simulates thousands of blackjack hands, tracking win/loss/push rates across strategy variations. Used to statistically verify optimal basic strategy and house edge calculations.

PythonSimulationStatisticsMonte Carlo
1000+
Simulated Hands
Stats
Strategy Analysis
PROJECT 31

India E-Commerce Analytics

Interactive analytics dashboard in Python/Streamlit analyzing 1,500+ order line items across 19 Indian states, with Plotly choropleth mapping, GeoJSON boundary data, and click-driven city-level drill-down — 97% geographic data payload reduction for production-ready load times.

PythonStreamlitPlotlyGeoJSONAnalytics
1,500+
Orders Analyzed
97%
Payload Reduction
19
Indian States
PROJECT 32

Local SLM App using Ollama

Streamlit app for running small language models entirely offline via Ollama. Features token-by-token streaming with live throughput metrics, standardized multi-model benchmarking, and speed-vs-quality comparison — all privately on your own hardware.

PythonStreamlitOllamaLLMOffline AI
Local
Offline Inference
Live
Token Streaming
Multi
Model Benchmark
PROJECT 33

HR Employee Analytics

Enterprise HR analytics solution built in Excel on 50K employee records — data cleaning, advanced formulas (COUNTIFS, SUMIFS, VLOOKUP, IFS), pivot summaries, dynamic charts, and an executive KPI dashboard analyzing attrition, pay, performance and diversity with 30 actionable recommendations.

ExcelHR AnalyticsPivot TablesKPI Dashboard
50K
Records
30
Recommendations
Explore
PROJECT 34

Retail Sales Data Analysis

End-to-end retail sales analytics pipeline over 58.8K transactions — data cleaning, 36 SQL queries, Python EDA, and RFM / K-Means customer segmentation, surfaced in an interactive Chart.js dashboard that uncovers seasonal trends, retention, and profitability drivers across regions and categories.

SQLPythonRFMK-MeansChart.js
58.8K
Transactions
36
SQL Queries
Explore

Contact

Let's Build
Together.

📧
Email
vijaybgaddi32@gmail.com
💻
GitHub
VijayKumaro7
💼
LinkedIn
vijay-kumar070
✍️
Tech Blog
@VijayKumar0o7
Download Resume ↗