ROHIT RAJAK
Senior Data Analyst & AI Specialist
13+ Years of Data Engineering.
Deploying robust GCP pipelines, automating ETL workflows, and building advanced predictive models.
Bridging data science & business.
Transforming massive datasets to uncover trends, optimize processes, and visualize actionable KPIs.
Professional Journey
Technical Lead
Cognizant Technology Solutions
Engineered scalable GCP pipelines using BigQuery and external APIs to optimize enterprise ETL workflows. Reduced processing time by 40%. Led a 55-member analytics team ensuring 98.7% SLA.
Team Lead
Wipro Limited
Designed scalable BI dashboards using Dremel SQL and automated reporting. Programmed CHAID models to uncover customer trends, boosting performance by 22%.
Health Economist
Skyward Analytics
Built complex cost-utility and cost-effectiveness Markov models and decision trees for oncology and atrial fibrillation market access across EMEA.
Healthcare & SAS Analytics Specialist
IBM India
Programmed budget impact models using SAS/SQL. Analyzed massive healthcare datasets for HTA reporting under NICE/EMA regulatory guidelines. Mentored junior analysts.
Core Competencies
Featured Analytics

GCP Forecasting Pipeline
Architected automated enterprise ETL workflows and machine learning forecasting pipelines using BigQuery and Dataflow.

Full-Stack Sales Analytics
Real-time KPI visualization dashboard built with React and Node.js for tracking continuous enterprise growth metrics.

Health Economics Modeling
Developed complex Markov models and decision trees (CHAID) for cost-utility analysis in top oncology markets across EMEA.