• Tech Lead and top code contributor for PayPal's checkout platform, the payment experience behind billions in annual transaction volume.

• Architected the migration from legacy checkout to a Next.js monorepo with composable, data-driven components, enabling 100+ engineers to ship multiple daily releases where they previously shipped weekly.

• Led the architecture for SmartPay, an ML-driven framework that increased conversion by surfacing personalized payment recommendations at checkout, defining data contracts and component boundaries adopted across frontend and mid-tier teams.

• Designed bot attack prevention for checkout at scale, where bot traffic exceeds legitimate traffic by an order of magnitude, reducing infrastructure costs and ensuring observability data reflects real user behavior. Drove capacity planning and autoscaling to handle global traffic surges reliably.

• Built the functional testing infrastructure (Playwright + MSW) that became the org-wide standard, and cut CI/CD build times through pipeline optimization, improving every engineer's daily feedback loop.

• Contributed upstream fixes to Next.js, Storybook, and DefinitelyTyped while patching framework internals for PayPal's needs, and innersourced changes across dozens of internal libraries.

• Guided engineers across the checkout organization through technical design reviews and code reviews, maintaining fast turnaround on production issues and raising the engineering bar through mentoring.

• Developed a high-scale data de-identification engine, optimizing data flows across Azure, AWS, and GCP to handle millions of records.

• Resolved deep-seated ETL bottlenecks for SQL Server, Snowflake, and BigQuery, significantly reducing compute costs and improving ingestion speeds.

• Built the product's observability suite using .NET Metrics and OpenTelemetry to streamline troubleshooting for complex distributed systems.

• Acted as a primary technical resource for resolving high-priority customer performance issues and complex architectural edge cases.

• Led a small engineering team while maintaining a full-stack individual contributor role, ranging from Android firmware for motion control gear to web architecture.

• Built internal tools to automate company management processes, replacing manual administrative overhead with custom software.

• Architected the migration of the e-commerce platform to Shopify, ensuring a clean transition for legacy data and internal management systems.

• Developed the internal ERP system from scratch to automate production line resource allocation and logistics.

• Built the Android applications (SliderONE, SliderPLUS) and wrote the C++/Arduino firmware for motion control hardware like JibPLUS.

• Focused on the intersection of mobile software and embedded systems to create a seamless hardware-to-app user experience.

• Focused on full-stack development for the CollabMobile platform, building native clients for iOS and Android along with the supporting server infrastructure.

• Ported existing sales applications across mobile platforms and developed specialized Android clients for educational hardware.