Monitoring and observability · Intermediate · 5 h

Metrics, logs and traces

Instrument a service with counters and histograms, structured logs and request ids that tie them together.

Why employers care: You cannot fix what you cannot see. Instrumentation is part of building a service, not an afterthought.

In the roadmaps for: Data Engineer, AI/ML Engineer, Forward Deployed Engineer, Software Engineer (Backend), DevOps / Platform Engineer, Cloud and Network Engineer