John Ungjae Yun Email & Phone Number

• Data & Integrations Team
• Spearheaded the development of an in-house platform that displays website performance statistics from Google Analytics and Facebook Ads utilizing a MVC architecture in a new language and framework (C#,.NET), which.
• Designed, developed, and maintained RESTful API endpoints utilizing an event-driven architecture to serve as the centralized source of truth for CRM, ERP, and Lead Management systems across the company, facilitating.
• Served as a crucial on-call engineer, resolving system issues in the Salesforce to AWS SQS/Lambda pipeline and offering vital support to all internal teams
• Implemented JUnit tests to mock requests for RESTful API endpoints, resulting in a 5% increase in codebase test coverage enhancing system reliability
• Stacks: Java, Dropwizard, PostgreSQL, C#,.NET, Git, JUnit, AWS (SQS, Lambda), Docker, Maven

• Data & Integrations Team
• Developed and maintained robust integrations with external platforms such as Google Ads and Facebook Ads, ensuring up-to-date advertising account information and a consistent flow of leads for clients
• Optimized data flow by managing client data synchronization between account management and other internal services using AWS SQS and Lambda
• Streamlined the creation of client websites by implementing RESTful API endpoints to direct client requests to a third-party website generation service (Camilyo)
• Increased team efficiency by 2X by automating Monday ticket generation tasks through the development of a REST API pipeline between the company’s Salesforce instance and the respective Monday board
• Stacks: Java, Dropwizard, PostgreSQL, Git, JUnit, AWS (SQS, Lambda), Docker, Maven

Master'S Degree, Computer Science

Bachelor Of Business Administration - Bba, Banking, Corporate, Finance, And Securities Law