Sagnik De
Kolkata
Summary
Detail-oriented and results-driven ETL Developer with over 2 years of experience designing and implementing data integration solutions using Informatica PowerCenter, Informatica Cloud (IICS), and Oracle SQL. Proven expertise in building scalable ETL pipelines, optimizing data flows, and supporting data warehousing initiatives in the insurance domain. Skilled in reporting with SAP BO, cloud integration, Interned with Cognizant on PySpark and currently pursuing certification on Databricks. Strong collaborator with cross-functional teams and business stakeholders to deliver high-impact data solutions. Currently contributing to Cognizant Technology Solutions as an Associate.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Associate
Cognizant
Kolkata
10.2022 - Current
🔸 Client: Arrowpoint Insurance
[Sep 2023 – Present]
- Designed and developed scalable ETL workflows using Informatica PowerCenter to automate data movement and transformation across insurance platforms.
- Maintained complex data mappings, sessions, and workflows in PowerCenter, ensuring optimized performance and successful job executions.
- Created and maintained business intelligence reports and dashboards using SAP BusinessObjects (SAP BO) to provide actionable insights across policy, claims, and customer service metrics.
- Collaborated with business analysts and QA teams to refine requirements, ensure data accuracy, and support UAT testing.
🔸 Client: ALFA Mutual Insurance
[Oct 2022 – Aug 2023]
- Supported senior developers in maintaining cloud-based ETL processes using Informatica Intelligent Cloud Services (IICS).
- Gained working knowledge of Informatica Cloud, including taskflows, mappings, and connections for various data sources.
- Participated in agile ceremonies and collaborated on efforts to automate daily job tracking and error logging.
🔸 Intern – ETL Development (Cognizant)
[Oct 2022 – Aug 2023]
- Shadowed senior ETL engineers to understand data warehousing architectures, data modeling, and pipeline monitoring best practices.
- Participated in Agile sprint ceremonies and contributed to internal tools development for automation of daily load validations.
Education
Bachelor of Technology - Computer Science
Future Institute of Engineering And Management
Kolkata07-2022
Skills
- Informatica PowerCenter
- Informatica Cloud
- Oracle SQL
- SAP BO
- PySpark
- DataBricks
Certification
- Informatica Cloud Services : Completed Informatica Cloud Services training from SCALO-LEARN team.
- Informatica PowerCenter: Course of Udemy
- Azure AZ-900 : Completed Azure AZ-900 : Azure fundamentals from Microsoft
- Azure DP-900 : Completed Azure DP-900 : Azure Data fundamentals from Microsoft
- Informatica IDMC Bootcamp Certfication: Completed Informatica IDMC BootCamp training from Informatica.
Languages
Bengali
First Language
English
Advanced (C1)
C1
Hindi
Intermediate (B1)
B1
Timeline
Associate
Cognizant
10.2022 - Current
Bachelor of Technology - Computer Science
Future Institute of Engineering And Management
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