Samuel Espinoza developed the Block Confidence feature for the Endrock/Qure-New repository, focusing on the sunil landing page variant. He updated the CSS selector from .page.sunil-mi-landing-special to .page.sunil-mi-landing-special2, ensuring the new feature was styled correctly for targeted testing and potential rollout. His work involved careful integration of frontend changes, including updates to JSON configuration files and disciplined use of Git for version control. By preparing a test-ready variant, Samuel enabled rapid QA validation and business decision-making. His contributions demonstrated proficiency in CSS and front end development, with a focused scope and attention to deployment readiness.