• Concept Service: made system design and project road map, implemented POC resulting in better Developer and Data Analyst experience.

• TestGen Tool: Test Data Generator and Convertor between spark data frame, jsonl and parquet with proto schema validation. As result data Analysts could configure and test data pipelines before functionality was released.

Made POC and led team that released internal tooling for agents. Made Pro Transactions available for agents as UI with search and reports generation functionality. Resulted in increased Agent’s productivity and decreased amount of tickets required developer’s attention to resolve.

• Implemented POC for Go API service to provide support topics advice depending on user. As result user had to spend less time to find required article.

• Implemented Go service for cashing user authorization information which solved the authorization service overload issue.

• Started Pro Transactions project.

Introduced new metrics and fixed excessive alerts which led to visibility of issues and saved time for on-call engineers. Visibility led to prioritizing existing tech dept.