Arnab Raychaudhuri

Led Data Lake migration and ETL validation in a regulated banking environment. Automated PySpark workflows across 20+ assets, reducing manual testing by 60%. Designed 3,000+ test cases and Alteryx fuzzy matching workflows. Built Power BI dashboards for KPI monitoring. Led a 10-member team, drove Starburst adoption for 30+ users. Skilled in data governance, regulatory environments, and BFSI.

Delivered analytics for international research funding stakeholders including Wellcome Trust and Novo Nordisk. Automated Python(Pandas) pipelines, cutting report time by 70%. Built Tableau dashboards for senior stakeholders. Applied A/B testing, improving peer-review efficiency by 33%. Contributed to RoRI project analysing gender bias in global research funding.

Analysed global COVID-19 datasets using Python to identify infection wave patterns through exploratory data analysis. Built BeautifulSoup web scrapers to extract financial data from 100+ Fortune 500 SEC filings, enabling analysis of enterprise IT spending trends.

Delivered automation and process visualisation solutions for industrial clients across India and Qatar. Managed onsite delivery for a Siemens project at Qatar Steel, achieving early closure. Led a 3-person team on PLC automation solutions. Built Python-based Modbus tools and reporting automation.