WRITING
Notes and articles about software engineering, backend, architecture, and distributed systems.
A comprehensive guide on building resilient event-driven architectures with Apache Kafka, Spring Boot 4, and Java 25. Covering mental models, KRaft, Transactional Outbox, exactly-once, non-blocking retries, and Testcontainers.
An explanation of how large language models like ChatGPT and Claude work under the hood. Tokens, attention, training, and why they hallucinate—written for engineers and curious minds alike.
How to enable Virtual Threads in a Spring Boot 4 project, what truly still 'pins' a virtual thread in Java 25 (and what has already been fixed), and how Scoped Values replace ThreadLocal to propagate context between calls.
A practical guide on structuring a Spring Boot application using Hexagonal Architecture (Ports & Adapters), with code examples and reflections on when it's worth applying.