DevOps/CloudBackendHigh signal
Distributed Tracing
Also written as Tracing, Jaeger, Trace ID
Following a single request as it passes through many services, so you can see where the time went and which hop failed.
Think of it like
Parcel tracking across multiple couriers, rather than each depot keeping its own separate log.
Junior or senior?
A strong microservices-maturity signal.
Senior sounds like
Can describe a problem they could only have found with tracing.
Ask them
“What did tracing show you that logs and metrics couldn't?”