Senior Software Engineer · Backend & Distributed Systems
I build reliable backend systems for complex, real-world problems.
I'm Larissa Falcão, a Senior Software Engineer building reliable backend systems with Java, AWS, and event-driven architectures.
Selected Case Studies
View all projects Case · Backend Engineer Event Hub API Evolved an event ticketing API into a production-ready platform with role-based security, overbooking protection, cached event listings, containerized infrastructure, and post-purchase confirmation events. Case · Full-stack Engineer Distributed Fraud Review Pipeline Currently building a distributed fraud-review pipeline, delivering a functional POC with asynchronous processing, concurrent consumers, persistence, and a baseline resilience model.
Latest Posts
View all Kafka Consumer Groups in Production: Lag, Rebalancing, and the Mistakes That Hurt Most Kafka problems in production are not Kafka problems. They are consumer problems nobody thought about at design time. Read article useEffect and the dependency array: why this hook confuses everyone Why infinite loops, stale UI, and ESLint dependency warnings often trace back to useEffect—and how to think about the dependency array as synchronization, not triggers. Read article
Problems I Enjoy Solving
How to scale systems without scaling complexity · When to choose consistency over availability · Making legacy codebases maintainable · Designing resilient event-driven flows · Improving observability before failures become incidents · Turning AI capabilities into reliable product infrastructure
Have a meaningful engineering challenge?
Let's Work Together
If you're building something that needs to scale, survive production, or integrate AI without cutting corners. I'd like to hear about it.