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Prosenjit Sarkar

Prosenjit Sarkar

Data Modernization Architect

Aletha Corp | Toronto, Canada

Technologies

My Portfolio Highlights

My New Project

Exploring London's Travel Network

My New Course

Introduction to Python

My New Project

Exploring London's Travel Network

Cloud Migration Specialist | Data Modernization Architect

My Work

Take a look at my latest work.

course

Introduction to R

course

Introduction to Python

course

Intermediate Python

course

Introduction to R

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Vanderbilt University Generative AI SQL Database Specialist with ChatGPT

Snowflake ACC-SCD (Snowflake Advanced Code Conversion Expert)

Databricks Databricks Certified Data Analyst Associate

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to R
Intermediate Python
Introduction to Functions in Python

My Work Experience

Where I've interned and worked during my career.

Aletha Corp | Jul 2022 - Present

Senior Consultant | Cloud Migration Specialist

• Led a proof-of-concept migration from on-premise Oracle and SQL Server to Snowflake with Python- and Airflow-driven orchestration, demonstrating 25% faster data pipelines. • Transformed 150+ SSIS packages into dbt models, improving transformation efficiency and enabling CI/CD integration. • Migrated a full UC4 job suite (500+ jobs) into Apache Airflow, creating a unified orchestration layer with improved monitoring and error handling by 35%. • Developed migration strategy for .NET Framework to .NET Core applications integrating Snowflake for scalable data access. • Automated Talend ETL processes from Salesforce and PureCloud, reducing execution time by 20%. • Trained and mentored 5 junior developers on dbt, Python scripting, and Airflow DAG design. Tech Stack: Snowflake, dbt, Airflow, Python, Azure, SQL, Oracle, Git, ServiceNow
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My Education

Take a look at my formal education

Master of Computer Applications in Computer ApplicationsWest Bengal University of Technology, India | 2006

About Me

Prosenjit Sarkar

Results-driven consultant with 17+ years of expertise in data warehousing, ETL modernization, and large-scale cloud migrations across financial services, telecom, and pharmaceutical industries. Proven success in migrating legacy Oracle, SSIS, and Tal

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