Tony Kochev contributed to the ECaMS-Billboard/ecams-billboard repository by streamlining the product’s feature set and improving maintainability. He focused on front end and full stack development using React and JavaScript, removing the Contact Us page to simplify the user journey and reduce support overhead. Tony also managed the Maze Game feature, first enhancing navigation with arrow key support before removing the game entirely to align with evolving product strategy. Additionally, he updated contributor credits to accurately reflect the current team. His work emphasized clarity, maintainability, and alignment with project goals, demonstrating thoughtful engineering within a focused one-month development period.