• Developed and maintained resilient payments systems that process $1.5+ billion in annual subscription revenue

• Integrated with various payment processors including Spreedly, Adyen, Chase, Worldpay, and BillDesk

• Led an initiative to move all international payments to a new processor, expanding monetization potential in new markets

• Rewrote PayPal transaction processing in a modernized service, improving approval rates and observability

• Maintained an on‑call schedule for payments systems used by 12+ million active subscribers

• Designed and built user‑facing REST APIs for tokenizing cards and processing payments

• Collaborated in the entire lifecycle of new features, including design, implementation, testing, code reviews, and releases

• Worked in a PCI‑compliant AWS environment, ensuring the protection of sensitive financial information

• Integrated with multiple third‑party APIs including Visa, Mastercard, Discover, and Adyen

• Performed software releases and maintained an on‑call schedule for a platform of millions of users

• Refactored existing API endpoints with reactive programming principles to handle high-volume traffic and improve performance

• Transformed legacy microservices to use the latest Spring Boot technologies

• Worked with senior engineers to design and implement a modernized solution for an outdated process that was causing production issues

• Learned to maintain production systems using AWS

• Adopted best practices for test-driven development and end-to-end testing

• Updated and maintained a GNSS interference monitoring web server that communicates with remote nodes via MQTT

• Developed and tested an Android application for logging raw GNSS data and detecting spoofing attacks

• Fully integrated the USRP Hardware Driver API into a code base used for GNSS acquisition and processing with software defined radios

• Collaborated with professors and graduate students on multiple conference and journal publications

• Implemented push provisioning across various microservices, allowing users to add tokenized cards to their watch directly from their bank app

• Collaborated with the Garmin mobile app team and Mastercard push provisioning team to ensure end-to-end functionality

• Performed consistent demos to technical and business leaders highlighting progress and usage of features