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Prabhakara Rao Varanasi, Senior Data Architect

Prabhakara Rao Varanasi

Senior Data Architect·ExxonMobil Thailand Co ltd

Thailand

Bachelor's degree, Science Engineering

Work experience

Total years of experience: 15 years, 10 months

Senior Data Architect

July 2023 - Present

ExxonMobil Thailand Co ltd

Bangkok, Thailand •Hybrid

July 2023 - Present

Architected and led enterprise data platform modernization on Microsoft Azure, supporting regulatory, analytics,
and reporting workloads
 Designed cloud-native data architecture leveraging Azure Data Factory, Databricks, Synapse, ADLS Gen2, and
Snowflake, enabling scalable batch and near real-time analytics.
 Built and optimized Spark-based ETL/ELT pipelines, reducing data processing time by ~20% and improving
platform cost efficiency.
 Defined enterprise data modeling standards (conceptual, logical, and physical) and ensured alignment with
energy compliance & governance requirements.
 Implemented data governance frameworks, including metadata management, access controls, and data quality
checks across critical data domains.
 Led pre-sales, RFP solution, and cost estimation for large-scale data transformation initiatives, collaborating with
internal stakeholders and vendors.
 Acted as trusted advisor to business, risk, and compliance teams, translating regulatory and analytical
requirements into scalable technical solutions
Company industry:
Oil & Gas
Job role:
Oil and Gas

Data Architect

June 2020 - June 2023

National Bank of Kuwait

Al Kuwait, Kuwait

June 2020 - June 2023

• Provided architectural leadership for enterprise data warehouse and data lake initiatives on AWS, supporting
digital banking and enterprise analytics programs.
• Designed end-to-end data ingestion and transformation pipelines using AWS Glue, Lambda, S3, Redshift, and
EMR, enabling both batch and real-time workloads.
• Defined data security, lineage, and governance standards, ensuring compliance with regional banking regulations
and internal audit requirements.
• Optimized ETL workloads and storage strategies, resulting in performance improvements and reduced
operational costs across multiple regions.
Company industry:
Banking
Job role:
Banking

Data Architect

April 2017 - May 2020

Overseas Chinese Banking Corporation (OCBC) Bank

Kuala Lumpur, Malaysia •Hybrid

April 2017 - May 2020

• Designed and delivered high-performance ETL and data warehouse solutions across Azure, AWS, and on-prem
environments for regional banking operations.
• Architected real-time streaming pipelines using Kafka and Spark Streaming, processing millions of credit card
transactions daily for fraud detection and risk analytics.
• Implemented Spark and Databricks optimization strategies, improving job execution time and reducing cluster
compute costs.
• Defined & enforced enterprise data governance, lineage, and data quality standards across multiple business
domains.
• Played a key role in pre-sales and RFP solution for regional data modernization initiatives
• Mentored ETL and data engineering teams on best practices, performance tuning, and scalable design patterns.
Company industry:
Banking
Job role:
Banking

Data Engineer

December 2013 - March 2017

Liberty

Kuala Lumpur, Malaysia •Hybrid

December 2013 - March 2017

 Designed and implemented scalable Hadoop-based data solutions
 Built real-time streaming pipelines using Kafka and Spark Streaming
 Developed Spark and PySpark transformations for high-volume datasets
 Processed structured and semi-structured data into HDFS and Parquet formats
 Integrated 100M+ records from multiple upstream systems into the data lake
 Improved data availability and reduced latency through optimized distributed processing
 Supported batch and streaming analytics use cases across business units
 Coordinated deployments and supported production releases
Company industry:
Insurance & TPA
Job role:
Customer Service and Call Center

Tech Lead

August 2010 - November 2013

Verizon Data Services

Hyderabad, India

August 2010 - November 2013

 Led ETL architecture, design, and development for large-scale telecom data warehouse implementations
 Designed dimensional data models (fact and dimension tables) to support operational and analytical reporting
 Developed complex Informatica Power Center mappings and workflows for high-volume data integration
 Guided ETL teams in data profiling, SQL optimization, testing, and production deployment
 Implemented scheduling and orchestration using Control-M to support enterprise batch processing
 Performed SQL and ETL performance tuning and optimization
Company industry:
Telecommunications
Job role:
Engineering

Education

Indian Institute of Science and Technology

June 2010

June 2010

Bachelor's degree, Science Engineering

India

GPA (percentage): 75%

GPA (percentage): 75%

Computer Science Engineering

Skills

Hadoop
Expert
Hadoop
Expert
Data Warehouse Architecture
Expert
Data Warehouse Architecture
Expert
Oracle
Expert
Oracle
Expert
Teradata
Expert
Teradata
Expert
ETL
Expert
ETL
Expert
DATA MODELING
Intermediate
DATA MODELING
Intermediate
DATABASE NORMALIZATION
Intermediate
DATABASE NORMALIZATION
Intermediate
COMPUTATIONAL FLUID DYNAMICS
Intermediate
COMPUTATIONAL FLUID DYNAMICS
Intermediate
SNOWFLAKE SCHEMA
Intermediate
SNOWFLAKE SCHEMA
Intermediate
DATA WAREHOUSING
Intermediate
DATA WAREHOUSING
Intermediate
APACHE SPARK
Intermediate
APACHE SPARK
Intermediate
PYSPARK
Intermediate
PYSPARK
Intermediate
SCALA PROGRAMMING LANGUAGE
Intermediate
SCALA PROGRAMMING LANGUAGE
Intermediate
APACHE KAFKA
Intermediate
APACHE KAFKA
Intermediate
APACHE NIFI
Intermediate
APACHE NIFI
Intermediate
ANALYTICS
Expert
ANALYTICS
Expert
SOURCE (GAME ENGINE)
Expert
SOURCE (GAME ENGINE)
Expert
EXTRACT TRANSFORM LOAD (ETL)
Expert
EXTRACT TRANSFORM LOAD (ETL)
Expert
HADOOP DISTRIBUTED FILE SYSTEM (HDFS)
Expert
HADOOP DISTRIBUTED FILE SYSTEM (HDFS)
Expert
BENCHMARKING
Expert
BENCHMARKING
Expert
CONTROL-M (BATCH SCHEDULING SOFTWARE)
Expert
CONTROL-M (BATCH SCHEDULING SOFTWARE)
Expert
INNOVATION
Expert
INNOVATION
Expert
DATA SECURITY
Expert
DATA SECURITY
Expert
DATA PIPELINE
Expert
DATA PIPELINE
Expert
PHYSICAL DESIGN
Expert
PHYSICAL DESIGN
Expert
AMAZON WEB SERVICES
Intermediate
AMAZON WEB SERVICES
Intermediate
COMPUTER HARDWARE
Intermediate
COMPUTER HARDWARE
Intermediate
DATA ARCHITECTURE
Intermediate
DATA ARCHITECTURE
Intermediate
DATA ENGINEERING
Intermediate
DATA ENGINEERING
Intermediate
DATA STREAMING
Intermediate
DATA STREAMING
Intermediate
GOOD CLINICAL PRACTICES GCP
Intermediate
GOOD CLINICAL PRACTICES GCP
Intermediate
MICROSOFT AZURE
Intermediate
MICROSOFT AZURE
Intermediate
OIL AND GAS
Intermediate
OIL AND GAS
Intermediate
SNOWFLAKE SCHEMA
Intermediate
SNOWFLAKE SCHEMA
Intermediate
TELECOMMUNICATIONS
Intermediate
TELECOMMUNICATIONS
Intermediate
CONCEPTUAL ARCHITECTURE
Intermediate
CONCEPTUAL ARCHITECTURE
Intermediate
CERTIFIED DATA MANAGEMENT PROFESSIONAL CDMP DAMA
Intermediate
CERTIFIED DATA MANAGEMENT PROFESSIONAL CDMP DAMA
Intermediate
DATA ARCHITECTURE
Intermediate
DATA ARCHITECTURE
Intermediate
DATA MODELING
Intermediate
DATA MODELING
Intermediate
DATA VAULTS
Intermediate
DATA VAULTS
Intermediate
DATABASE NORMALIZATION
Intermediate
DATABASE NORMALIZATION
Intermediate
ERWIN DATA MODELING SOFTWARE
Intermediate
ERWIN DATA MODELING SOFTWARE
Intermediate
SNOWFLAKE SCHEMA
Intermediate
SNOWFLAKE SCHEMA
Intermediate
SOLUTION ARCHITECTURE
Intermediate
SOLUTION ARCHITECTURE
Intermediate
TOGAF CERTIFICATION
Intermediate
TOGAF CERTIFICATION
Intermediate
SQL
Expert
SQL
Expert
Oracle
Expert
Oracle
Expert
Teradata
Expert
Teradata
Expert
Informatica
Expert
Informatica
Expert
ETL
Expert
ETL
Expert

Languages

English

Expert

Training and Certifications

Certifications
Certified Teradata Professional
Certified Big Data & Spark
Certified Azure Solutions Architect Expert (AZ-305)
Practitioner(Combined)
Certified Snowflake Professional (SnowPro Core)
Certified AWS Solutions Architect – Associate
Certified Teradata 14 Professional
Certified Big Data & Spark
 Teradata 14 Certified Professional from Teradata corporation, 2019.
Dec 2019

Hobbies and interests

Explore new locations

Yes