David Ordine

Reduced CI/CD costs by 70% and cut integration test execution from 45 to 3 minutes by parallelizing 1,800+ tests. Led end-to-end delivery of RahRah! and architected design systems and authentication flows.

Increased Pix with credit card revenue by 6% and improved delinquency recovery by 9.5% through A/B testing and UX friction reduction. Shipped features across 10+ microservices.

Introduced feature flags and migrated CI/CD to Codemagic, reducing build times by 45%. Built Flutter web scanning app and developed backend endpoints in Java/Spring Boot.

Built features for Caribou Coffee app and The Wound Company app from scratch, owning mobile engineering decisions and negotiating scope with clients.

Sole mobile engineer scaling Pegaki app from 100 to 3k+ DAU, building observability and optimizing on-device barcode/QR scanning for low-end devices.

Led teams to deliver Flutter apps for Brazil's Ministry of Health and Education, including e-SUS Vaccination and Student Journey. Contributed to hiring and mentored 4 Flutter interns.

Optimized SQLite queries, resolved bugs, and built new features for e-SUS Territory and e-SUS Health Management Flutter apps.

Maintained and refactored a Scala API serving 30M+ users, optimized mobile web pages with Google AMP, and built an IP-based geolocation service.

Co-authored and presented a scientific paper on benchmark optimizations for a low-power manycore processor, achieving significant execution time and energy reductions.

Pursued a Bachelor of Science in Computer Science, completing the program in August 2023.