Poulami Banik
Bengaluru
Summary
Driven Data Consultant with nearly 6 years of IT experience, specialized in translating business needs into effective data solutions. Developed automated data validation frameworks, achieving a 25% improvement in data accuracy. Expertise in data engineering and analysis support delivery of strategic insights and enhancement of business performance.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Consultant
Deloitte South Asia LLP (Internal Restructuring)
Kolkata
06.2024 - Current
- Led the DE team for three key use cases: Beat Optimization, Product Recommendation, and Sales Insight Hub for an FMCG client.
- Ingested data from on-prem SQL, Fabric OneLake & semi-structured sources using Medallion Architecture; transformed to model-ready and reporting datasets.
- Built scalable pipelines using Fabric ADF, Synapse Notebooks (including. Metadata validation, incremental load, alerting).
- Enabled Power BI dashboards, reducing TAT from 1 day to 1.5 hours; boosted product sales, and optimized field force via PR and BO use cases.
- Created techno-functional documents, Quickstart trainings, and supported go-live and onboarding for business users.
Consultant
Deloitte Touche Tohmatsu India LLP
Kolkata
02.2022 - 05.2024
- Implemented parameterized ADF pipelines with dynamic content for scalable and reusable data workflows.
- Integrated Databricks notebooks in ADF for advanced, reusable PySpark-based data transformations.
- Optimized PySpark code and pipeline performance to reduce processing time in Databricks.
- Automated Excel reporting using ADF and Databricks, minimizing manual effort and enhancing efficiency.
Programmer Analyst
Cognizant Technology Solutions India Private Ltd.
Pune
06.2021 - 02.2022
- Conducted data validation and quality checks using PySpark in Databricks to ensure accuracy before loading to ADLS Gen2.
- Developed scalable Python apps for data analysis and automation using Pandas, NumPy for complex transformations and reporting.
Research Assistant
Tata Chemicals Ltd – Payroll Company – Randstad India Pvt Ltd.
Pune
09.2020 - 06.2021
- Developed and maintained web applications using Python, Django, HTML5, CSS3, JavaScript, jQuery, and SQL
- Utilized Pandas library for data analysis, manipulation, and visualization purposes
Jr. Software Developer
DZ Engineering Pvt Ltd
Guwahati
08.2018 - 03.2020
- Designed database schemas to store user data secure.
- Integrated multiple data sources into one unified view using views or joins in SQL queries.
Education
M-Tech -
NERIST
Arunachal Pradesh06.2019
Skills
- Azure Data Factory
- MS Fabric
- Databrics
- Azure Cloud
- PySpark
- OOPS
- Pandas
- Python
- SQL
Certification
- Azure Data Engineer Associate (DP-203)
- Data Analyst Power BI Associate (PL-300)
- Azure Fundamentals (AZ-900)
- Azure AI Fundamentals (AI-900)
- Azure Data Fundamentals (DP-900)
Timeline
Consultant
Deloitte South Asia LLP (Internal Restructuring)
06.2024 - Current
Consultant
Deloitte Touche Tohmatsu India LLP
02.2022 - 05.2024
Programmer Analyst
Cognizant Technology Solutions India Private Ltd.
06.2021 - 02.2022
Research Assistant
Tata Chemicals Ltd – Payroll Company – Randstad India Pvt Ltd.
09.2020 - 06.2021
Jr. Software Developer
DZ Engineering Pvt Ltd
08.2018 - 03.2020
M-Tech -
NERIST
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