- Designed and implemented an automated service that fixed and backfilled invalid records rejected from another internal service due to missing data- Service helped Amazon store owners to track and compare statistics on their campaigns and ads- Fully automated the service that was previously manual which saved 99% of manual labor- Created a utility tool that allowed for two objects of different classes in different databases to be matched - Java- Created an API for one service to call another internal service to fetch missing records – AWS Lambda, Java, Typescript- Transformed and published objects/ records into SQS – JavaTested and code reviewed teammates' code –Groovy, MockitoCreating design docs tool to backfill various objects in mass amounts