During a two-month period, Dr. Kiman contributed to the zio/zio-http and zio/zio-aws repositories, focusing on backend development and API design using Scala. For zio/zio-aws, he addressed timing inaccuracies by refining the call duration aspect, ensuring original results were preserved after duration updates and preventing redundant processing. In zio/zio-http, he enhanced OpenAPI schema generation by introducing regex-based username validation and enforcing non-empty sequence constraints, improving contract reliability for API clients. His work demonstrated depth in schema validation, aspect-oriented programming, and testing, resulting in more robust backend systems and accurate API specifications for both internal and external consumers.