I am Avinash Cholker, a Senior Data Engineer with 14+ years of experience designing and implementing scalable, enterprise-grade data solutions. I excel in data warehousing, ETL/ELT pipelines, cloud platforms, and modern data technologies, with hands-on experience building and optimizing AWS-based data platforms using Amazon Redshift. I also spent 7 years in the insurance domain at Suncorp Australia, delivering robust data solutions. I’m passionate about performance tuning, data migrations, and system optimization. I enjoy leading technical teams, conducting code reviews, and debugging complex distributed systems to deliver data-driven solutions aligned with business objectives. I thrive on collaborating with stakeholders to translate needs into practical data architectures, and I continuously seek opportunities to improve data quality, governance, and cost efficiency.

Avinash Cholker

I am Avinash Cholker, a Senior Data Engineer with 14+ years of experience designing and implementing scalable, enterprise-grade data solutions. I excel in data warehousing, ETL/ELT pipelines, cloud platforms, and modern data technologies, with hands-on experience building and optimizing AWS-based data platforms using Amazon Redshift. I also spent 7 years in the insurance domain at Suncorp Australia, delivering robust data solutions. I’m passionate about performance tuning, data migrations, and system optimization. I enjoy leading technical teams, conducting code reviews, and debugging complex distributed systems to deliver data-driven solutions aligned with business objectives. I thrive on collaborating with stakeholders to translate needs into practical data architectures, and I continuously seek opportunities to improve data quality, governance, and cost efficiency.

Available to hire

I am Avinash Cholker, a Senior Data Engineer with 14+ years of experience designing and implementing scalable, enterprise-grade data solutions. I excel in data warehousing, ETL/ELT pipelines, cloud platforms, and modern data technologies, with hands-on experience building and optimizing AWS-based data platforms using Amazon Redshift. I also spent 7 years in the insurance domain at Suncorp Australia, delivering robust data solutions.

I’m passionate about performance tuning, data migrations, and system optimization. I enjoy leading technical teams, conducting code reviews, and debugging complex distributed systems to deliver data-driven solutions aligned with business objectives. I thrive on collaborating with stakeholders to translate needs into practical data architectures, and I continuously seek opportunities to improve data quality, governance, and cost efficiency.

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Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate

Language

English
Fluent

Work Experience

Associate Tech Specialist (Senior Data Engineer) at Tech Mahindra
December 1, 2018 - Present
Design, build, and maintain scalable data pipelines on AWS using services such as Amazon S3, AWS DMS and Amazon Redshift. Developed and optimized ETL/ELT workflows, architected cloud-based data warehouses and data lakes, collaborating with stakeholders to translate requirements into data solutions. Worked on data migration projects from Netezza to AWS Redshift and data validation. Implemented CI/CD pipelines with Jenkins, CodePipeline, CodeBuild, CodeDeploy and monitored pipelines for reliability; performed performance tuning and cost optimization for Redshift and S3. Led code reviews and provided mentoring within data engineering teams.
Deputy Manager (Data Engineer) at WNS Global Services
June 1, 2018 - December 1, 2018
Developed and enhanced SQL scripts in Netezza, implementing performance optimizations. Led requirement gathering sessions with business stakeholders, translating needs into technical specifications and implementation plans. Conducted root cause analysis and bug fixes for production issues; managed code deployment pipelines using Source Tree and Bitbucket with unit testing.
Senior ETL Developer at NTT DATA Services
July 1, 2016 - June 1, 2018
Designed and developed complex DataStage ETL jobs processing data across Customer, Claims, Product, and Provider domains; built ETL pipelines loading mainframe data into staging and data marts, with incremental loads and data validation. Created SQL validation scripts and data quality checks to ensure production accuracy. Coordinated daily stand-ups and resolved blockers to meet timelines.
Project Engineer (ETL Developer) at Wipro Technologies
October 1, 2011 - July 1, 2016
Delivered data warehouse solutions for international clients including Target Minneapolis using DataStage 8.5, DB2, Control-M, and Unix. Achieved IBM Certification for Infosphere DataStage v8.5. Followed SDLC in a CMM5 environment, participating in offshore/onshore development and ensuring code quality.

Education

Master of Technology (M.Tech.) in Mechanical Engineering at M.S. Ramaiah Institute of Technology
January 1, 2009 - January 1, 2011

Qualifications

Databricks Academy Accreditation - Databricks Fundamentals
January 11, 2030 - January 9, 2026
IBM Certified - Infosphere DataStage v8.5
January 11, 2030 - January 9, 2026

Industry Experience

Software & Internet, Professional Services, Financial Services

Experience Level

Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate