Software engineer in Manila working across software systems, product development, and applied research.https://roiroberto.com/enhttps://roiroberto.com/writing/the-price-of-the-frontier/https://roiroberto.com/writing/the-price-of-the-frontier/Frontier prices are falling as open weights improve. The competition is moving into the products and infrastructure around the models.Tue, 04 Aug 2026 00:00:00 GMThttps://roiroberto.com/writing/the-next-bottleneck/https://roiroberto.com/writing/the-next-bottleneck/AI can make code cheaper to produce. That leaves teams with more to choose, review, and maintain.Mon, 03 Aug 2026 00:00:00 GMThttps://roiroberto.com/writing/no-points-for-this/https://roiroberto.com/writing/no-points-for-this/Competitions taught me how to pursue difficult problems. Choosing which problems deserve my time has been harder.Sun, 02 Aug 2026 00:00:00 GMThttps://roiroberto.com/writing/what-a-working-demo-cannot-show/https://roiroberto.com/writing/what-a-working-demo-cannot-show/What a push-to-talk prototype taught me about separating interface behavior, media delivery, and physical checks.Sat, 01 Aug 2026 00:00:00 GMT