Data Architect · AI Engineer
AnirbanBanerjee
Building Intelligent, Scalable, and Governed Data Platforms.
Technical Architect & Data Engineer building large-scale data platforms across Retail and Healthcare. Specializing in cloud migrations, lakehouse architecture, cost optimization, and Generative AI on Azure, AWS, and GCP.
Core Platforms & AI
Professional Journey
Deloitte
Data Architect (Office of CIO)·LTM
July 2025 – Present
- ▹Designing future state architecture for data ingestion, consumption, visualization, AI/ML integration, and data marketplace across Deloitte's US and global entities.
- ▹Architecting AI Agent integration patterns with existing datahub products (MDM, Databricks, SAP).
- ▹Designing ABAC and centralized access policy frameworks governing access across on-prem and cloud applications.
Premera Blue Cross
Technical Architect / Data Engineer·LTM
Sept 2024 – June 2025
- ▹Architected and deployed Unity Catalog for DataHub, defining governance structures and access policies.
- ▹Led migration from Boomi to Databricks with a reusable migration framework, cutting transition timelines significantly.
- ▹Designed lakehouse architectures that reduced compute and storage costs while improving performance.
- ▹Integrated ServiceNow and Dynatrace with DataHub for real-time error monitoring.
UHG / Optum
Technical Architect / Data Engineer·LTM
July 2022 – Aug 2024
- ▹Architected a GenAI chatbot using Azure OpenAI, Bot Framework, and vector databases for contextual NLP.
- ▹Redesigned legacy ETL pipelines with a rules engine framework, improving processing efficiency by 40%.
- ▹Migrated Ab Initio/Netezza ETL systems to Azure — achieved 76% reduction in operational costs.
- ▹Reduced Databricks costs by 37% and Azure storage by 42% through best-practice optimizations.
CVS Health
Data Engineer, Tech Lead·Tata Consultancy Services
Mar 2022 – June 2022
- ▹Engineered CMS regulatory compliance automation within GCP.
- ▹Designed and implemented medallion architecture on GCP using DataProc and BigQuery.
- ▹Integrated and transformed diverse public datasets into enriched, actionable data assets.
Tata Digital
Data Engineer, Tech Lead·Tata Consultancy Services
May 2020 – Mar 2022
- ▹Designed automated Azure sandbox architecture that reduced environment setup from days to minutes.
- ▹Built web solutions with Django and Azure SDK; standardized CI/CD pipelines.
- ▹Productionized ML models via automated MLOps frameworks for monitoring, retraining, and deployment.
BJ's Wholesale Club
Data Engineer·Tata Consultancy Services
Jul 2019 – May 2020
- ▹Upgraded Python/Spark environments on AWS EMR, improving cluster performance and stability.
- ▹Led codebase modernization and performance tuning, achieving significant improvements in job execution speed.
NBrown / JD Williams
Support Lead·Tata Consultancy Services
Jul 2017 – Jul 2019
- ▹Served as support lead for internal credit maintenance applications, overseeing incident resolution.
- ▹Implemented proactive monitoring and streamlined support workflows.
Kingfisher PLC
Application Lead·Tata Consultancy Services
Apr 2012 – Jul 2017
- ▹Led development and support for enterprise applications built with Oracle PL/SQL and Oracle Forms.
- ▹Managed full application lifecycle from requirements through deployment and incident management.
Tech Stack
Programming
Generative AI
Azure
AWS
GCP
Database & DataLakes
DevOps & Source Control
ITSM & Collaboration
Visualization
Competitions
Certifications
Microsoft Certified: AI Transformation Leader
Azure AI Engineer Associate
Azure Cosmos DB Developer Specialty
Designing Microsoft Azure Infrastructure Solutions
Microsoft Azure Administrator
Data Engineering on Microsoft Azure
Developing Solutions for Microsoft Azure
Microsoft Azure Data Fundamentals
Microsoft Azure AI Fundamentals
Microsoft Azure Fundamentals
Databricks Certified Generative AI Engineer Associate
Databricks Academy Accreditation: Generative AI Fundamentals
Databricks Certified Data Engineer Associate
Databricks Certified Associate Developer for Apache Spark 3.0
Databricks Lakehouse Fundamentals
Dell GenAI Foundations
Hacker Rank REST API Certification