Software Engineer · Cover letter

Software Engineer cover letter guide

One hook, one proof paragraph, one clear ask. Generate a draft, then edit so every claim is yours.

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Proof points to adapt

Reduced p95 API latency 42% by rewriting the checkout hot path and adding request coalescing.
Owned on-call for payments; cut Sev-1 MTTR from 90m to 25m with runbooks and better paging.
Shipped feature flags to 12 services, enabling weekly releases without freeze weekends.

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Same product, different entry points. Move from build → score → match keywords → optimize → cover letter → apply.