# DevOps Professional Certificate

> Validated practical DevOps foundations, including modern deployment flows and incident-aware operations.

URL: https://www.matthewswong.com/en/certifications/devops-professional-certificate/

- Issuer: PagerDuty
- Category: DevOps
- Credential: https://www.linkedin.com/learning/certificates/bbcb00b5be6b209a134a9e6e3865ef4cce66c62fcaf7dee882adc22e8a5acf21

This certification sharpened how I design CI/CD pipelines that are stable, observable, and ready for on-call escalation.

## Focus areas

- CI/CD design
- On-call operations
- Reliability monitoring

## What I learned

- Design a CI/CD path from commit validation to controlled production release.
- Configure on-call readiness with clear alert priorities and escalation paths.
- Use observability signals to reduce mean time to detect and mean time to recover.

## Applied in projects

- Built release checks so pull requests fail early before risky deployments.
- Set up on-call runbooks so incidents move from alert to resolution faster.
- Connected deployment metrics to uptime goals for better delivery decisions.

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