Hi, I'm Karthick Raja

Hospitals lose crores to undetected fraud every year. ClaimVision is an executive-ready Power BI dashboard that gives healthcare organisations a 360° view of their claims data — covering 20K+ claims and ₹25Bn+ in claim amount with a 24.9% fraud detection rate. Six pages span patient demographics, provider risk scoring, claims trends, and fraud pattern analysis, all built on a star-schema data model with advanced DAX measures and Power Query transformations.

An interactive Power BI dashboard analyzing business performance, customer behavior, revenue trends, profitability, and KPI metrics. Implemented advanced DAX calculations, dynamic filtering, drill-through analysis, and rich data visualizations to support strategic decision-making and performance monitoring.

A Power BI dashboard for banking analytics covering customer segmentation, loan performance, deposits, transaction trends, and financial KPIs. Utilized Power Query for ETL, DAX for complex calculations, and advanced data modeling to generate actionable business insights.

An interactive Power BI dashboard analyzing 50,000+ IoT sensor records across industrial machines. Built KPI tracking, anomaly detection, machine health monitoring, and predictive maintenance insights with advanced DAX measures for operational performance analysis.

A Power BI dashboard analyzing sales, profitability, customer behavior, and regional performance across retail operations. Features drill-through reports, KPI cards, dynamic filtering, and time-intelligence calculations to support data-driven business decision-making.

An interactive Power BI dashboard designed to monitor and analyze SLA, latency, and failure rates from 100K+ API log records. Features real-time monitoring and incident detection capabilities to improve system reliability.

A comprehensive Data Analytics and Business Intelligence portfolio on GitHub, showcasing Power BI dashboards, SQL analytics, Python-based data processing, ETL workflows, KPI reporting, and interactive BI solutions across Banking, Retail, Customer Analytics, and IoT domains.

A comprehensive portfolio analysis dashboard built entirely in Microsoft Excel — designed to help investors track performance, visualize trends, and make data-backed decisions. Processes 10,000+ rows with advanced formulas and interactive visualizations.

An end-to-end ETL pipeline for 100K+ API log records with automated validation and data quality checks. Achieved 99.5% data consistency and designed dashboards to analyze SLA, latency, and failure rates with real-time monitoring and incident detection capabilities.

A machine learning model using MFCC-based audio feature extraction to identify and classify bird species from audio recordings. Trained on multiple bird species and deployed as an interactive Streamlit web application for real-time predictions.

A production-ready full-stack application that leverages LLMs to analyze resumes for ATS compatibility. It scores resumes against Data Analyst role profiles, extracts critical insights from PDFs, and generates intelligent rewrite suggestions.

A full-stack web application to streamline and manage the entire job search process. Track applications across companies with status updates (Applied, Phone Screen, Interviewing, Offer, Rejected), priority levels, contacts, follow-up dates, and notes — all in one place. Features CSV export, smart filtering by status and region, and a clean dark-mode dashboard UI.