Poulami Das
Data Engineer
Kolkata
Summary
Skilled IT professional with over 8 years of total experience, including 6+ years dedicated to Big Data development in designing and implementing ETL pipelines. Proficient in PySpark,SQL,Hive,Azure Databricks,Hadoop and data performance optimization. Eager to explore new data challenges and grow expertise in building scalable ETL pipelines.
Overview
9
9
years of professional experience
2017
2017
years of post-secondary education
3
3
Languages
Work History
Assistant Consultant
Tata Consultancy Services
04.2025 - Current
Associate-Projects
Cognizant Technology Solutions Pvt. Ltd.
05.2021 - 04.2025
- Experience in gathering business requirements,designing ETL pipelines using PySpark,Spark SQL transformations and loading to Hive tables for accurate reporting.
- Crafted ETL pipelines for implementing Delta table features using Azure Databricks.
- Implemented CI/CD pipelines with Azure DevOps for deployment.
- Worked on implementing Spark optimization techniques for better performance.
- Scheduled and monitored jobs using Autosys.
- Experience in working on Agile methodology using JIRA dashboard.
- Led and mentored a team of 4 associates.
Senior Systems Engineer
Infosys Limited
01.2020 - 05.2021
- Worked on Hadoop ecosystem with Cloudera, YARN, HDFS, and Hive.
- Managed data ingestion using Flume, Sqoop, and Kafka architectures.
- Enhanced data pipelines transformations with Spark, Scala, SQL and Pig scripts.
- Automated workflows with Oozie and optimized Spark jobs for performance.
- Supported client requests by preparing and delivering targeted data solutions.
Software Engineer
Tech Mahindra Limited
09.2016 - 01.2020
- Worked on building SQL scripts for transforming datasets to reliable reporting data.
- Worked as CRM Support Analyst as part of application support.
- Analyzed customer sessions using IBM Tealeaf and Adobe Splunk to identify business impacts and recommend enhancements.
- Resolved issues related to the Tealeaf portal.
- Used Dynatrace for synthetic monitoring and automating application flows.
- Gathered requirements and provided business solutions to improve operational efficiency.
Education
Bachelor of Technology - Electronics and Communication Engineering
Narula Institute of Technology
Kolkata06.2016
Skills
PySpark
Azure Databricks
SQL
Hive
Delta Lake
Azure Devops
undefinedWebsites
Awards
Q1, 2019 Bravo / TUS-09, Tech Mahindra, Q3,2018 Bravo / TUS-09, Tech Mahindra, Q2,2017 Bravo / TUS-09, Tech Mahindra, Featured on Organization Innovation Portal, Blue Bolt Took the initiative to build a utility and solve the project hurdles for smooth operations and delivery.
Timeline
Assistant Consultant
Tata Consultancy Services
04.2025 - Current
Associate-Projects
Cognizant Technology Solutions Pvt. Ltd.
05.2021 - 04.2025
Senior Systems Engineer
Infosys Limited
01.2020 - 05.2021
Software Engineer
Tech Mahindra Limited
09.2016 - 01.2020
Bachelor of Technology - Electronics and Communication Engineering
Narula Institute of Technology
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