Summary
Andrew Hwang is a Senior Software Engineer with eight years of experience building payment and financial services systems, currently contributing to PayPal/Braintree from the Los Angeles area. His background spans full-stack development roles at American Express and Westlake Financial Services, where he focused on reliable, scalable backend services for fintech use cases. Trained as a computer engineer at UC San Diego, he brings a hardware-aware, systems-minded approach to software design and operational robustness. Andrew has moved steadily from early full-stack delivery into senior engineering at a major payments platform, suggesting strong expertise in production-grade APIs, security-conscious development, and transaction workflows. He combines enterprise experience with the agility of having cut his teeth at a developer training company, giving him a practical knack for onboarding, tooling, and cross-team collaboration. Colleagues would describe him as a pragmatic problem-solver who prefers clear, auditable solutions in high-stakes financial contexts.
8 years of coding experience
4 years of employment as a software developer
University of California San Diego