Opens with a specific result, links it to the company's stated problem, closes with a clear ask.

Last year I cut p95 latency on a payments API from 820 ms to 490 ms while the platform grew to two million monthly users. Your posting for a Backend Software Engineer asks for someone who cares about reliability at that scale, which is exactly the work I want to keep doing.

Shows energy without adjectives by leading with what the writer has already done for similar companies.

I have used Fieldnote for two years to run customer interviews, so when the Marketing Manager role appeared I read the posting twice. You are at the stage where inbound has to become a predictable engine, and building that engine is what I have spent the last four years doing.

Under 200 words: three paragraphs, one result each, no filler.

I am applying for the Senior Data Analyst position in your Payments team. At Copperline Payments I identified a 6% drop-off at 3-D Secure that, once fixed, recovered roughly £1.1M in annual revenue.

Opens with an observation about the company's product, then shows the process behind a result.

I rented one of your e-bikes last month and noticed the unlock flow asks for a payment method before it shows the price. I mention it because that is the kind of small, fixable friction I have spent six years finding and removing, and it is why your Senior Product Designer opening caught my attention.

Numbers-first letter that addresses the classic manager question: can you hire, ramp and forecast?

Your announcement of Cloudharbor's expansion into Iberia is why I am writing. I have built and led an enterprise sales team in exactly that region: eight account executives who closed 118% of a €6.2M quota last year, with an average deal of €74k and a 92-day cycle.

A public-sector letter that maps experience to the essential criteria in the person specification.

I am applying for the Senior Project Manager post (ref. NHT-2231). I am a PRINCE2 Practitioner and Scrum Master with eight years delivering software and infrastructure programmes in public services, and I meet each of the essential criteria in the person specification.