Dhinesh R

I'm a

About

Senior Data Engineer with 7+ years of progressive experience in cloud-based data platforms, end-to-end data pipeline automation, and business-driven analytics. Proven ability to lead data initiatives and implement secure, scalable infrastructures.

Dhinesh R
  • Location: Chennai, India
  • Email: dhineshrethinam@gmail.com
  • Phone: +91-9710988132
  • Degree: ME – Big Data Analytics

Senior Data Engineer & Analytics Expert

I specialize in building modular ingestion frameworks, optimizing data pipelines, and setting up robust metadata governance.

Core Technical Skills

Python / R / SQL 95%
GCP (BigQuery, Dataflow, Dataproc) 90%
Apache Airflow & Orchestration 85%
API Development (FastAPI, Flask) 80%

Experience & Education

Professional Experience

Senior Data Engineer

May 2023 - Present

HCL Technologies

  • Spearheaded the architecture and deployment of a modular ingestion framework to standardize data processing for QA automation pipelines.
  • Developed 10+ custom Airflow DAGs with retry, alerting, and SLA monitoring features, enhancing failure recovery by 60%.
  • Designed interactive Tableau dashboards connected to TestRail and Jira APIs for real-time test coverage analytics.

Data Engineer

June 2021 - April 2022

Accenture

  • Designed and deployed a REST API using FastAPI to handle permission grants for BigQuery, reducing manual allocation effort by 85%.
  • Created automated pipelines to ingest BigQuery metadata into Alation and Collibra using REST APIs.
  • Developed parsing logic and converters to handle nested XML and JSON files, flattening them into BigQuery.

Senior Data Analyst

Aug 2018 - June 2021

Paragon Digital Services

  • Built R-based ETL scripts for processing DoubleClick campaign data into BigQuery.
  • Processed Appsflyer logs to identify abnormal click-to-install ratios and flag potential fraud.
  • Built Marketing Mix Modeling (MMM) regression models to analyze the contribution of ad channels to sales.

Education

ME – Computer Science (Big Data Analytics)

2017

College of Engineering, Guindy

BE – Computer Science

2014

Velammal Engineering College

Other Experience

Assistant Programmer

May 2022 - March 2023

Madras High Court

  • Handled complete database administration tasks, including backup scheduling and access control audits.
  • Maintained district-level court websites, focusing on uptime reliability.

Certifications

  • Data Science with Python – Simplilearn
  • Google Cloud Professional Data Engineer (In Progress)

Featured Projects

A selection of major initiatives showcasing data engineering, API development, and analytics. Click on any project to view details.

BigQuery Access Control API

FastAPI application handling row, column, and dataset-level permission grants for BigQuery with IAM integration.

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Metadata Governance

Automated pipelines to ingest BigQuery metadata (schemas, owners, descriptions) into Alation and Collibra.

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Airflow Composer Orchestration

Configured and managed Airflow in GCP Composer to run Talend and Python scripts with SLA tracking.

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JSON/XML to BigQuery Parser

Developed parsing logic to handle nested XML and JSON files, flattening them into CSV format for BigQuery.

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Marketing Mix Modeling (MMM)

Built regression models in Python to analyze ad channel contributions, reducing underperforming spend by 20%.

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RNN Sentiment Analysis

Implemented an RNN-based tweet classification pipeline using Python and scikit-learn for brand monitoring.

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Contact

Open to new opportunities and collaborations. Feel free to reach out via email or phone.

Location:

Chennai, India

Call:

+91-9710988132