Overview
Work History
Education
Skills
Academic Projects
Timeline
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GIRISH NAGA VARDHAN CHIRUMAMILLA

Data Engineer
Overland Park,KS

Overview

5
5
years of professional experience

Work History

Data Engineer

Dataflake LLC
07.2022 - Current
  • Collaborated on ETL (Extract, Transform, Load) tasks, maintaining data integrity and verifying pipeline stability.
  • Fine-tuned query performance and optimized database structures for faster, more accurate data retrieval and reporting.
  • Enhanced data quality by performing thorough cleaning, validation, and transformation tasks.
  • Streamlined complex workflows by breaking them down into manageable components for easier implementation and maintenance.
  • Increased efficiency of data-driven decision making by creating user-friendly dashboards that enable quick access to key metrics.
  • Create various dashboards for data analysis using Tableau
  • Build various tables in snowflake warehouse for data analysis.
  • Worked on migrating pipelines from ETL1.0 to ETL2.0
  • Writes ad-hoc queries to pull data out of snowflake data warehouse.
  • Supports development of standard data analyses, reports and dashboards.
  • Building robust and scalable data integration pipelines(ETL) using Airflow and other relevant technologies.
  • Designing tableau and sigma dashboard based on requirements gathered from business partners and stakeholders.
  • Fine-tuning the performance of ETL jobs, SQL queries , optimizing code and configurations.
  • Documenting the pipelines, tables, configurations, and processes for reference and future use.
  • Collaborating with other team members to merge the completed code, update documentation and notify business partners about completed jobs and resolved errors.
  • Testing developed ETL pipelines on different environments to check and validate desired outcomes.
  • Implementing solutions based on design, adhering to best practices.
  • Designing, building and maintaining efficient, reusable and reliable architecture and code.
  • Create, troubleshoot and maintain stored procedures, views, triggers and functions.

Data Analyst

Accenture
06.2019 - 12.2020
  • Provided software support and general technical solutions for operational, database, and security requirements in applications
  • Collaborated with other members of the team to handle troubleshooting and debugging
  • Created and implemented application test scripts
  • Expertise in working with Incident and Change Management Tool Service-Now
  • Experience in Offshore and onsite team coordination and delivering the requirements on time.
  • Participated in requirements meetings to understand business needs.
  • Extracted and interpreted data patterns to translate findings into actionable outcomes.
  • Identified, analyzed and interpreted trends or patterns in complex data sets.
  • Produced monthly reports using advanced Excel spreadsheet functions.
  • Utilized data visualization tools to effectively communicate business insights.
  • Improved decision-making processes with accurate data analysis and visualization techniques.

Education

Master of Science - Computer Science

University of Missouri - Kansas City
Kansas City, MO
05.2001 -

Bachelor of Engineering - Computer Science And Eng -

Gandhi Institute of Technology And Management
Visakhapatnam, INDIA
05.2001 -

Skills

SQL Expertise

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Academic Projects

Credit card Fraud detection (Python, ML/DL regression Algorithm).

  • Performed data preprocessing on the irregular dataset by filling the missing values and Accomplishments and converting data to the required format.
  • Applied many deep learning regression Algorithms to detect whether the transaction is Fraud/Non-Fraud.
  • Compared all the results of different regression algorithms by measuring accuracy and metrics.

A Secure and Dynamic multi keyword ranked search over encrypted cloud data.

  • Language: Java, JavaScript
  • Web Technologies: HTML, CSS, XML
  • Technology: Cloud Computing
  • Brief Description : The main objective was to develop and design an easy and simple approach to protecting data confidentiality that encrypts data before outsourcing
  • Individual Role: I was the main lead of the project and was involved in developing the program code.

Application development of NGO donations to Ashram's ( Java, Tomcat, PostgreSQL).

  • Brief Description : The main objective was to develop an application for the people who are interested in donating to Ashrams.
  • Individual Role: I was the main lead of the project and was involved in developing the program code.

Timeline

Data Engineer

Dataflake LLC
07.2022 - Current

Data Analyst

Accenture
06.2019 - 12.2020

Master of Science - Computer Science

University of Missouri - Kansas City
05.2001 -

Bachelor of Engineering - Computer Science And Eng -

Gandhi Institute of Technology And Management
05.2001 -

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GIRISH NAGA VARDHAN CHIRUMAMILLAData Engineer