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Vasiulla User

@vasiulla

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Experienced Data Engineer specializing in PySpark, Databricks, and Azure.

India

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What I'm looking for

I seek a senior data engineering role where I can lead teams, design cloud data platforms (Azure/Databricks), drive performance and data quality improvements, and work in an Agile environment with opportunities for technical leadership and impact.

I am an experienced Data Engineer with over 11 years designing, implementing, and optimizing data pipelines and warehouse solutions, with core expertise in PySpark, Databricks, SQL and Azure data services.

I have led data engineering teams, managed stakeholders, and delivered Agile projects focused on performance optimization, data quality, and reliable ETL workflows—reducing pipeline execution times by 20% and improving data reliability by 30% in prior roles.

My background spans building Delta Lake table designs, automating integrations with Azure Data Factory, documenting architectures for onboarding and audits, and migrating legacy systems to cloud-native data platforms.

Experience

Work history, roles, and key accomplishments

Team Lead - Data Engineer

Tech Mahindra

Dec 2021 - Jun 2025 (3 years 6 months)

Built and maintained PySpark ETL pipelines in Azure Databricks and Azure Data Lake, automated integrations with Azure Data Factory, and reduced pipeline execution times by 20% through performance tuning.

Pyspark Databricks Data Lake Azure Data Factory Delta Lake SQL ETL Performance Tuning

Business Process Lead - Data Engineering

Tata Consultancy Services

Mar 2016 - Nov 2021 (5 years 8 months)

Designed data lake architectures and implemented ETL/data quality processes, conducting data quality assessments that improved data reliability by 30% and delivering milestones within Agile teams.

Data Lake SQL Data Quality ETL Agile Data Validation Stakeholder Management

Systems Engineer

Cognizant Technology Solutions

Jan 2014 - Oct 2015 (1 year 9 months)

Supported backend integrations and troubleshooting of interface software, resolving critical payment update bugs to restore application reliability and performance.

Backend Integration Troubleshooting Payment Systems Application Support

Data Analyst

RR Donnelley

Mar 2013 - Aug 2013 (5 months)

Developed Excel macro and VBScript applications to digitize customer case file updates and fixed long-pending issues, improving team compliance metrics significantly.

Excel Macros VBScript Data Analysis Scripting Process Automation Troubleshooting