During June 2025, contributed to the PubMatic-OpenWrap/prebid-server repository by implementing bidder-specific device data merging within the first-party data resolution workflow. This feature enhanced targeting accuracy and data utilization by allowing device information from individual bidders to be incorporated directly into bid requests. The development process emphasized backend development and data merging, utilizing Go and JSON to ensure robust integration. Comprehensive unit tests were created to validate the merging logic, supporting code quality and stability for deployment. No major defects were addressed during this period, as the focus remained on delivering a well-tested, production-ready feature for safer rollout.