---
title: "Nayeem Hossain - Senior Data Engineer in Kolkata | Tal"
description: "Meet Nayeem Hossain, Data Engineer@Deloitte USI | Ex- PwC| Ex- TCS| Azure | Synapse | ADF | Spark | Pyspark | Databricks | SQL | Python | Power BI | based in Kolkata."
image: "https://tal.club/meet/nayeem-hossain/share-image"
---

# Nayeem Hossain on Tal

## Headline

Data Engineer@Deloitte USI \| Ex\- PwC\| Ex\- TCS\| Azure \| Synapse \| ADF \| Spark \| Pyspark \| Databricks \| SQL \| Python \| Power BI \|

## Location

Kolkata

## Work experience

Senior Data Engineer at Deloitte, Aug 2025 \- Present · 9 mos, Kolkata, West Bengal, India

Senior Data Engineer at PwC India, Jun 2025 \- Jul 2025 · 2 mos, Kolkata, West Bengal, India

Data Engineer at Tata Consultancy Services, Nov 2021 \- Jun 2025 · 3 yrs 8 mos, Kolkata, West Bengal, India, •Optimized performance tuning, reducing overall file processing time by 80%, significantly improving efficiency\. •Conducted POCs on on\-demand pipeline execution, achieving a 90% cost reduction compared to scheduled triggers\. This enhanced cost\-effectiveness and resource allocation by optimizing the usage of computational resources only when necessary\. •I have worked in developing parallel processing capabilities to handle multiple file uploads simultaneously, enabling users to upload multiple files at once\. •Established an alert mechanism via Logic App to ensure immediate notification in the event of critical data pipeline failures thus reducing efforts spent by 30%\. •Implemented an automated refresh process of the Power BI dataset within the Power BI workspace, achieved through API calls from Azure Data Factory \(ADF\)\. As a result, Power BI team’s workload was reduced by 20%\. •Ingestion of data from SAP S4/HANA, BW, BW4/HANA, and other external source systems \(Funnel, NielsenIQ, etc\)\. •Collaborated in the Finance domain using Agile methodology for a leading Italy\-based beverage company\. •Involved in the complete SDLC process which includes requirement gathering from PO, design, development, testing, deployment, documentation & business evaluation\. •Performed basic cleaning of the raw data in Bronze layer, transformed the data in Silver layer and loaded clean data in Gold layer following the Medallion architecture of Azure Databricks\. •Created Stored Procedures and Functions for auditing purposes to store record level details using ADB and pipeline level details using ADF\. •Expertise in swiftly resolving incidents raised by the business, with an average turnaround time of less than 1 day and provided support during QA and production deployments\. •Involved in the Data Modeling process \(Star schema & SCD types\) of storing the data in a Data Warehouse\.

## Education

Master of Technology \- MTech, Computer Technology/Computer Systems Technology, Jadavpur University

Bachelor of Technology \- BTech, Electrical, Electronics and Communications Engineering, Cooch Behar Government Engineering College

[View the original profile](https://tal.club/meet/nayeem-hossain)

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