Summary
Overview
Work History
Education
Skills
Certification
Awards
Affiliations
Languages
Timeline
Generic

THANNARASU T

Udumalpet

Summary

Results-driven Data Engineer with extensive experience at Uber, adept at designing scalable data pipelines and optimizing performance. Proficient in Azure Data Factory and SQL, I excel in client engagement and problem-solving, delivering impactful data solutions that enhance business strategies and drive efficiency. Committed to maintaining data integrity and quality across all projects.

Overview

2
2
years of professional experience
1
1
Certification

Work History

Data Engineer

Uber
02.2024 - Current
  • Collaborate with business teams to translate churn prevention strategies into data requirements for predictive modeling.
  • Designed and developed scalable data pipelines and tables (source-of-truth) using Spark SQL and Presto SQL to support churn model training and inference.
  • Created workflow automation and integrated piper pipelines for consistent and reliable model data refreshes.
  • Provided data solutions for bot performance optimization and automation improvements across churn-related workflows.
  • Delivered ad-hoc data analyses via Google Sheets and dashboards to support business decisions and strategy refinement.
  • Conducted data quality checks and validation across the pipeline to ensure reliability and downstream impact tracking.
  • Tools Used: Presto SQL, Spark SQL, Piper (Uber’s pipeline framework), Google Sheets, Internal BI tools/workflows.

Data Engineer

LatentView Analytics
Chennai
09.2023 - Current
  • Successfully managed end-to-end ETL processes, ensuring efficient data loading.
  • Designed and developed robust data pipelines using Azure Data Factory, ensuring seamless data movement and transformation across various systems.
  • Maintained scalable data pipelines, ensuring data integrity and performance through continuous monitoring and optimization.
  • Engaged in client interactions for the past 6 months, addressing their needs and implementing performance increment code changes to enhance system efficiency and meet business requirements.

Data Engineer

QVC
03.2024 - 09.2024
  • Led on-premises data migration to Azure Storage Browser, ensuring compliance and security.
  • Designed and executed end-to-end ETL processes to load data from staging to target layers through cleansing and deduplication stages.
  • Implemented business transformations before loading data into target layers in Databricks, integrated with Azure for seamless data movement.
  • Established comprehensive metadata setups to support end-to-end data loading processes.
  • Monitored ETL pipeline activities to ensure smooth and error-free data flow.
  • Conducted thorough testing and QA for pipeline activities, and managed production deployments to ensure reliable data processing and system performance.
  • Developed a Proof of Concept (POC) on liquid clustering to significantly reduce the time query execution and optimize table usage in Databricks, enhancing overall data processing efficiency and performance.
  • Tools Used: Azure Data Factory, Azure Storage Explorer, Azure Synapse, Databricks.

Data Analyst

Wayfair
09.2024 - 02.2024
  • Designed and developed data models in Google Big Query to meet business requirements, enabling accurate insights for decision-making.
  • Powered dynamic dashboards in Looker Studio using data models to visualize key metrics and trends for stakeholders.
  • Maintained the Weekly Business Report (WBR), ensuring data accuracy and reliability, and developed a robust model to streamline WBR generation.
  • Responded to ad-hoc data analysis requests, providing actionable insights for the business and merchandising teams.
  • Automated repetitive reporting tasks using Google Sheets and scripting, significantly reducing manual effort for the client team.
  • Tools Used: Google Big Query, Looker Studio, Google sheets, SQL.

Education

CGPA: 8.23/10 - Electrical and Electronics Engineering

SASTRA Deemed University
Tanjore
07-2023

Percentage: 89% - Higher Secondary (12th)

Sagar International School
Perundurai
05-2019

CGPA: 9.8 - Senior Secondary (10th)

VAV International School
Udumalpet
05-2017

Skills

  • Programming: Python and Java
  • Cloud technology: Azure Data Factory, Azure Storage Explorer, Azure Synapse, Looker
  • ETL tools: Databricks
  • Orchestration: Azure ADF
  • Reporting tools: Excel, Tableau, Power BI, Looker Studio
  • Query languages: SQL and Oracle SQL
  • Client engagement
  • Problem solving
  • Effective communication
  • Attention to detail
  • Time management
  • Team collaboration
  • Data analysis

Certification

Databricks Certified Data Engineer Associate

  • Completed: July 2024
  • Skills in building and maintaining data pipelines, data engineering, and using Databricks for data processing

Databricks Certified Associate Developer for Apache Spark 3.0

  • Completed: March 2025
  • Skills in building and optimizing data pipelines using PySpark, Spark SQL, and Databricks notebooks for scalable data processing

Azure Data Fundamentals (DP-900)

  • Completed: March 2024
  • Knowledge of core data concepts and how they are implemented using Microsoft Azure data services

HackerRank SQL Intermediate Certification

Awards

Encore Award (April-June 2024), Recognized for exceptional performance, dedication, and contributions to team success.

Affiliations

  • Attended training on Microsoft Azure DP-203 L&D and acquired certification
  • Attended the iLead Building a Consultative Mindset program and presented a work-action plan deck
  • Attended the National Engineering Olympiad (NEO) and secured an All India rank of 209

Languages

Tamil
First Language
English
Advanced (C1)
C1
Hindi
Intermediate (B1)
B1

Timeline

Data Analyst

Wayfair
09.2024 - 02.2024

Data Engineer

QVC
03.2024 - 09.2024

Data Engineer

Uber
02.2024 - Current

Data Engineer

LatentView Analytics
09.2023 - Current

CGPA: 8.23/10 - Electrical and Electronics Engineering

SASTRA Deemed University

Percentage: 89% - Higher Secondary (12th)

Sagar International School

CGPA: 9.8 - Senior Secondary (10th)

VAV International School

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