- Developing software for generating report for businesses that want to migrate their big data from other data warehouses to BigQuery. - Developing sortware that analyzes metadata and queries of customer and transforming them to format that is suitable for Bigquery. Output report displays overview of customer's big data, migration cost, things that can be migrated automatically and effort needed to migrate other manually. - Reduced amount of unsuccessful query translations by 95%. - Adapted software integrate new data warehouse. Extracting metadata and queries from source ingesting it to software, structuring, and analyzing it.

Working with big data to transform it into structured data for business needs using spark, functional programming, aws services like s3, cloudformation, glue for etl processes.

- Developing loan platform for Indonesian bank using microservices and akka tools, scala, kafka, rabbitMQ, zeebe, elasticsearch, postgres. - Worked with existing microservices and build new microservices to modify, add features or to integrate with partners. - Refactoring of old set of microservices responsible for user account manegment. - Changed internal processes at my own discretion in order to simplify the work of colleagues. - Developed metrics, monitoring tools to capture critical errors occurring on the production as early as possible. - On other team developed microcervices to integrate with crypto platforms like Binance, Coinbase

Logic and c++ teacher