Microservice decomposition, communication patterns, and organisational design.
When to decompose a monolith, how to define boundaries, and the patterns that work: API gateways, sagas, and event-driven comms.
Master context.Context in Go: cancellation propagation, deadline inheritance, goroutine leak patterns, and debugging with pprof.
An honest Java (Spring Boot) vs. Go (Gin) performance comparison under load tests in 2026. Comparing throughput, memory footprint, cold starts, and AWS costs.
Reliable event-driven Go beyond connecting to Kafka: handling partial failures, duplicates, and distributed transactions safely.
How a team serving mobile, microservices, and third-party integrations ended up running REST, gRPC, and GraphQL together.
thenCompose vs thenApply, running calls in parallel with allOf, timeouts, executor selection, and production error handling.
gRPC and Protobuf: binary serialization, unary and streaming RPCs, Go implementation, and when to choose gRPC over REST.