Mar 5, 2026
Learning loop check-in
Reviewed the last 18 months of projects and writing to identify reliability skill gaps.
Coding diary
Short logs from day-to-day engineering work: things learned, bugs tracked down, small wins, and practical notes worth keeping.
Feb 28, 2026
Observability gap incident replay
Replayed old incident logs and found one missing business-level metric.
Feb 2, 2026
AI-assisted infra review boundaries
Defined where AI review helps and where human operational judgment must remain final.
Jan 9, 2026
Kubernetes resource budget review
Default resource requests were outdated for two services after traffic growth.
Dec 3, 2025
Postmortem writing rubric
Drafted a simple rubric: timeline clarity, impact clarity, remediation quality.
Oct 26, 2025
Terraform module boundary refactor
Reduced hidden coupling between infra modules to make changes safer.
Sep 17, 2025
Runbook gap found during outage sim
Outage simulation revealed missing rollback preconditions in runbook docs.
Aug 2, 2025
Alert fatigue priority reset
Introduced severity + ownership tags so escalation paths are clearer.
Jun 21, 2025
Go CLI for on-call checks
Built a small CLI to validate service dependencies before high-risk deploys.
Check out →May 9, 2025
API rate limit policy adjustment
Tightened noisy endpoint limits and added safer burst controls.
Apr 4, 2025
CI/CD rollback drill
Ran rollback rehearsal to validate deployment recovery under time pressure.
Mar 18, 2025
Dashboard signal cleanup
Removed vanity graphs and kept only operationally actionable metrics.
Feb 27, 2025
Incident timeline format template
Created a reusable timeline template so postmortems start with stronger factual structure.
Feb 10, 2025
Kubernetes probe audit
Found services using liveness probes as readiness checks.
Jan 24, 2025
Role-based admin guardrail
Reduced high-risk admin actions by splitting privileges by workflow stage.
Jan 3, 2025
Background job timeout review
Jobs were retrying longer than business relevance windows.
Dec 12, 2024
CI cache invalidation lesson
A stale dependency cache produced misleading green builds.
Nov 28, 2024
AWS IAM mistake that taught me scope
Overly broad policy worked, but was operationally unsafe; moved to tighter role scoping.
Nov 5, 2024
Loki log structure cleanup
Structured JSON logs made incident triage much faster than free-form text logs.
Oct 19, 2024
Deploy checklist v1
Started a pre-deploy checklist to reduce rushed release mistakes.
Oct 1, 2024
Payment retry edge case
A duplicate webhook recreated a completed payment path; idempotency key handling fixed it.
Sep 14, 2024
First week with Prometheus alerting
Learned quickly that too many low-quality alerts are as risky as no alerts.