Shah Md Nazmul Alam
Queens
Summary
Accomplished Data Engineer and Data Scientist with a decade of experience in building scalable data platforms and implementing real-time data solutions that enhance marketplace performance. Specializes in leveraging machine learning and advanced analytics to drive operational efficiency and strategic decision-making across cloud ecosystems.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Sr Data Engineer
Lowes
Charlotte
01.2023 - Current
- Designed and optimized real-time data pipelines using Spark, Airflow, and Databricks, enabling low-latency processing of marketplace event streams.
- Integrated data from DB2, Oracle, Teradata, PostgreSQL, MongoDB into GCP and AWS, enabling robust data access for downstream ML use cases.
- Automated data validation and pipeline monitoring, reducing downtime by 35%.
- Developed scalable ETL and forecasting models, enhancing operational and promotional decision-making processes.
- Collaborated with product and analytics teams to deliver data products that improved demand forecasting, driver engagement, and ETA signal accuracy.
Senior Data Engineer / Applied ML Engineer
CVS Health
Charlotte
08.2019 - 12.2022
- Built ML models leveraging PyTorch and TensorFlow to optimize operational signals - improving campaign targeting and response prediction accuracy by 20%.
- Led ML-driven initiatives to forecast demand patterns, optimize incentives, and measure promotion impact, enhancing decision-making through causal inference techniques.
- Implemented scalable ML infrastructure to serve marketplace optimization signals, improving cross-team accessibility and utilization of data insights.
- Developed Spark-based ETL pipelines and automated workflows with Airflow and AWS Glue for large-scale real-time data ingestion.
- Collaborated with Pricing & Marketing teams to design incentive structures that align with marketplace behavior, driving targeted promotional strategies.
- Tools: Python, Spark, Presto, PyTorch, Airflow, Redshift, Snowflake.
DE/BI Consultant
Bank of America
Charlotte
01.2017 - 07.2019
- Led migration of dashboards from Tableau and QlikView to MicroStrategy, created interactive BI dashboards, and trained users on MicroStrategy VI and Office for improved analytics capabilities.
- Collaborated with teams and business users to define dataset requirements for dynamic dashboards and implement BI and ETL best practices, enhancing data accessibility.
- Designed logical data models and developed MicroStrategy schema objects like Attributes, Facts, and Hierarchies for optimized reporting.
- Developed ETL workflows in Informatica PowerCenter, optimizing data extraction, transformation, and loading.
- Managed Informatica PowerCenter administration, optimizing data warehousing processes to support effective BI reporting.
- Expert in SQL development, STAR/SNOW schema modeling, and automated ETL scheduling using AutoSys.
Sr Data Engineer (Hadoop/Spark/AWS/MicroStrategy)
TIAA
Dhaka
04.2015 - 10.2016
- Designed and developed MVP products using Hadoop, AWS, and Spark, implementing data transformation pipelines in Python, PySpark, and SQL to load data into Hive and RDBMS.
- Built and optimized ETL workflows using AWS Glue, Lambda, and Data Pipeline, ensuring seamless data ingestion and transformation across multiple systems.
- Managed AWS EMR clusters, developed PySpark scripts for Glue jobs, and reprocessed Kafka failure messages to enhance data reliability.
- Performed data extraction and analysis using HiveQL, Parquet, and Sqoop, optimizing storage with Snappy-compressed Parquet tables.
- Converted XML data for injection into HDFS while leveraging Spark RDDs for efficient in-memory computation.
- Developed BI dashboards using MicroStrategy, Tableau, and Power BI, working closely with business users to design dynamic visualizations.
- Led dashboard migration from Tableau and QlikView to MicroStrategy, creating public objects, filters, and consolidated reports to improve data accessibility.
- Designed and documented Power BI architecture while training users in Tableau and MicroStrategy VI.
Education
Master's degree - Data Science
Eastern University
Philadelphia, PA, USA03-2025
Master's degree - Business Administration
The University of Comilla
Uttara, Dhaka, Bangladesh08-2015
Bachelor's degree - Computer Science and Engineering
The University of Comilla
Uttara, Dhaka, Bangladesh01-2014
Bachelor of Science - Footwear Technology
University of Dhaka
Dhaka, Bangladesh09-2005
Skills
Data Engineering, ETL & ELT Pipelines, Data Pipelines, Data Integration, Real-Time Data Processing, Data Modeling & Data Warehousing, Star/Snowflake Schema Modeling, Big Data, Cloud Computing, AWS, AWS Glue, AWS Lambda, Google Cloud Platform (GCP), Spark, Spark RDDs, Airflow, Databricks, Hive, HiveQL, Parquet, Compressed Parquet Tables, SQL, Presto, Redshift, Snowflake, Informatica PowerCenter, Python, TensorFlow, PyTorch, OpenCV, BI & Analytics, Power BI, Tableau, MicroStrategy, Apache Superset, Demand Prediction, Strategic Thinking
Websites
Certification
- Become a Data Scientist
- Master Python for Data Science
- Master SQL for Data Science
- Advanced SQL for Data Science: Time Series
- Advanced SQL for Query Tuning and Performance Optimization
Languages
- Bengali
- Hindi
- English, Professional Working
- Bengali, Full Professional
- Hindi, Limited Working
Timeline
Sr Data Engineer
Lowes
01.2023 - Current
Senior Data Engineer / Applied ML Engineer
CVS Health
08.2019 - 12.2022
DE/BI Consultant
Bank of America
01.2017 - 07.2019
Sr Data Engineer (Hadoop/Spark/AWS/MicroStrategy)
TIAA
04.2015 - 10.2016
Master's degree - Data Science
Eastern University
Master's degree - Business Administration
The University of Comilla
Bachelor's degree - Computer Science and Engineering
The University of Comilla
Bachelor of Science - Footwear Technology
University of Dhaka