Atanu Basu

20 years of IT experience with specialization in Data warehousing & Cloud technologies across industry domains like Telecom, Banking & Finance, Life Science & Healthcare, Energy & Resource, Retail & CPG

8+ years of relevant experience as Solution/Data Architect on Snowflake, Azure, AWS, GCP Cloud platforms with designing solutions using ETL/ELT tools such as IICS, Matillion, Fivetran, Dbt & data visualization tools such as Tableau, Power BI & Sigma .

Proficient in requirement gathering, analysis, architecture design, data modelling, defining data migration strategies & development. Worked on Pre-sales activities. Delivered several RFPs for different customers across the globe.

Role
Principal Architect / Administrator
Years of Experience
20.33 years

Skillsets

SQL
PostgreSQL
Power BI
PyCharm
PySpark
Python
Redshift
ServiceNow
Sigma
Snowflake
Pl/sql
Tableau
Terraform
Unix Shell Scripting
YAML
Google Bigquery
Jenkins
SQLDBM
Synapse Analytics
dbt
Airflow
Amazon RDS
AWS
AWS Glue
Azure
Azure Data Factory
Azure SQL DB
Databricks
Aginity
erwin
Fivetran
GCP
Gitlabs
Informatica
Jira
Matillion
Microsoft Visio

Professional Summary

20.33Years

Dec, 2025 - Present 5 months
Principal Consultant
Hexaware Technologies
Apr, 2024 - Oct, 20251 yr 6 months
Principal Architect
Securonix
Feb, 2023 - Apr, 20241 yr 2 months
Solution Architect
kipi.ai
Jan, 2010 - Nov, 20144 yr 10 months
Teradata Developer / DBA
IBM India
Nov, 2014 - Oct, 20205 yr 11 months
Data Architect/Data Engineer
Cognizant
Oct, 2020 - Feb, 20232 yr 4 months
Solutions Architect / Data Architect
Tata Consultancy Services
Apr, 2009 - Jan, 2010 9 months
Senior Oracle Developer / Data Architect
Web Development Company
Aug, 2007 - Mar, 20091 yr 7 months
Oracle & Unix Developer
Nelito Systems
Dec, 2006 - Aug, 2007 8 months
Oracle Apps 11i Consultant
SAPL
Aug, 2005 - Nov, 20061 yr 3 months
Oracle SQL, PL/SQL Developer
Descon

Work History

20.33Years

Principal Consultant

Hexaware Technologies

Dec, 2025 - Present 5 months

Principal Architect

Securonix

Apr, 2024 - Oct, 20251 yr 6 months

Designed and developed the Snowflake platform to capture customer logs, analyze and inform if there is any threat or risk in real time. Developed database objects, stored procedures, functions, tasks, streams to ingest data into Snowflake and enable fast query processing on petabyte scale. Setup and managed Multi-cluster Virtual Warehouses (Standard, Snowpark optimized) for ingestion and query processes. Designed and implemented RBAC (Role based access control). Managed OrgAdmin with 15+ Production & Non-production Accounts. Developed Snowpipe to ingest data from AWS S3 & Azure storage. Developed External tables, Iceberg tables to query AWS S3 data. Load & Unload process for huge datasets. DR account setup. Followed Agile methodology for enhancements. Interacted with customers to resolve issues. Implemented performance improvements and cost optimization. Developed Snowsight dashboards for monitoring data usage, billing, query performance, storage, and compute.

Solution Architect

kipi.ai

Feb, 2023 - Apr, 20241 yr 2 months

Solutions Architect / Data Architect

Tata Consultancy Services

Oct, 2020 - Feb, 20232 yr 4 months

Data Architect/Data Engineer

Cognizant

Nov, 2014 - Oct, 20205 yr 11 months

Teradata Developer / DBA

IBM India

Jan, 2010 - Nov, 20144 yr 10 months

Senior Oracle Developer / Data Architect

Web Development Company

Apr, 2009 - Jan, 2010 9 months

Oracle & Unix Developer

Nelito Systems

Aug, 2007 - Mar, 20091 yr 7 months

Oracle Apps 11i Consultant

SAPL

Dec, 2006 - Aug, 2007 8 months

Oracle SQL, PL/SQL Developer

Descon

Aug, 2005 - Nov, 20061 yr 3 months

Education

Bachelors in Mathematics Honors
The University of Burdwan (2001)
Master of Computer Application
U.P Technical University (2005)
Master of Business Administration (MBA-IT)
Sikkim Manipal University (DE) (2010)