Jason Cheung Email and Phone Number

• Senior engineering leader managing global teams to architect and develop Consumer Operations and Contact Center applications/systems used by 4k+ agents for the Goldman Sachs consumer businesses including Apple Card, Apple Savings, GM Card, Marcus Savings and Marcus Personal Loans• Key Achievements - Apple Card Launch (2019) - Built cloud-based Consumer Operations and Contact Center applications/systems from the ground up with functions including Agent Desktop, Case Management, Fraud, Disputes and Collections - GM Card Launch (2022) – Portfolio conversion of 4M+ credit card accounts from Capital One and expanded the Consumer Operations applications for multi-partnership Credit Card products - Apple Savings Launch (2023) – Built the Consumer Operations Desktop Application for Apple Savings that also served as the foundation for multi-business line products - Unified Desktop Launch (2024) - Built the Consumer Operations Unified Desktop Application to converge applications across Apple Card and Apple Savings to improve operational efficiency and consolidate technology platforms/systems• Technology Stack – Java, Spring Boot, REST Microservices, Kafka, MongoDB, React/JavaScript UIs, AWS, Appian, Pega, Okta, Splunk

• Technical lead responsible for managing, designing and developing the core Goldman Sachs Electronic Trading Desktop Application for trading teams across Asia to manage high-volume direct market access and algorithmic order flows. This includes the design, implementation and migration towards a microservice based architecture leveraged by the core trading platforms.• Responsibilities span the entire software development lifecycle which include defining features and requirements with trading teams and business leaders, designing and developing new features along with automated testing, application deployment as well as maintenance and support of the runtime environment• Technology Stack – C#, Java, C++, REST Microservices, Sybase/DB2, Elasticsearch, TIBCO Rendezvous, Reuters Market Data System, Electronic Trading Order Management Platforms

• Senior developer responsible for implementing the core Trading Desktop Application utilized by the Goldman Sachs trading teams across Asia to trade a range of products including Stocks, Convertible Bonds, Futures, Spreads and Options• Developed and maintained a desktop application utilized by the Asia trading teams to facilitate on-exchange and over-the-counter crossing transactions• Technology Stack – C++, C#, Java, Sybase, TIBCO Rendezvous, Reuters Market Data System, Trading Order Management Platforms

• Senior developer responsible for designing and implementing an Enterprise Shipping Management System utilized by organizations to manage the entire lifecycle of their shipments• Technology Stack – ASP.NET, C#, Java, SQL Server, SOAP Web Services