Welcome to My Blog

After years of meaning to start one, here it is. I’m João — a Senior Software Engineer on the Architecture & SRE team at Zwift, based in Rio de Janeiro. My day-to-day is a mix of platform reliability, incident response, observability, and the kind of slow, unglamorous work that keeps production from catching fire. Why a blog? The honest answer: I learn best by writing. There’s something about forcing an idea into sentences that reveals whether you actually understand it or were just pattern-matching on vibes. I’ve been keeping private notes and post-mortems for years — this is me making some of that public. ...

March 30, 2026 · 2 min · João Pereira

Advanced Canary Deployments: Orchestrating Istio, Flagger, and KEDA for Production-Ready Progressive Delivery

Learn how to implement sophisticated canary release strategies by integrating Istio service mesh, Flagger progressive delivery controller, and KEDA event-driven autoscaling for reliable, automated deployments at scale.

January 15, 2024 · 7 min · SRE Team

Implementing SLOs for Reliability: A Practical Framework for Service Level Objectives in Production

Learn how to design, implement, and operationalize Service Level Objectives (SLOs) with practical frameworks, real-world examples, and monitoring configurations that drive reliable service delivery.

January 15, 2024 · 7 min · SRE Team