ratnesh kumar

Data Engineer

Koantek•  September 2022 - Present•  Hyderabad

Designed Streaming/Batch pipeline and done the performance tuning in order to save the cost and improve the performance. Ingest the Data from GCP buckets, AWS S3, Azure, Bigquery and perform the transformation and write back to Redshift. Migrated the pipeline from Databricks to DBT and run those pipeline via Databricks using jobs UI and API. Led a cost-saving initiative by identifying the resources used in cluster and improving the code, leading to an annual cost reduction exceeding $50,000 in GCP bill log. Developed an automation framework to handle Data Pipelines.

R&D Engineer Intern

Samsung R&D•  January 2022 - June 2022•  Noida

Worked on Android development tools like- Android Studio, Android SDKs, and Java. Resolved real-time bugs that are reported daily by users or tested in the Android 11 version.