# Performance engineering

Fayed has professional experience with latency and systems performance.

## Support

- Representative work includes reducing P99 latency through parallelization and request-placement improvements.
- Related work includes distributed tracing, C++ performance, compute efficiency, and infrastructure cost reduction.

## Interpretation

Classification: demonstrated professional experience

Where: Meta production engineering work.

When: Current role.

Strength: Strong for practical production performance engineering.

Limitations: No public numeric benchmarks or proprietary metrics are published here.

Source: FAYED_TECHNICAL_CONTEXT.md. Freshness: 2026-08-21.