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Machine learning engineer cover letter example: results first

A cover letter for machine learning engineer jobs that leads with what you achieved, not with what you were responsible for. Copy it, replace the parts in [brackets] and use the words of the posting you answer.

Open machine learning engineer jobs today
1,059
Can be done from home
21%
Median advertised pay
$250K
Dear Hiring Manager,

I am applying for the Machine Learning Engineer position at [Company]. I have [number] years of experience as a machine learning engineer, most recently at [Current company], where my focus is model training, evaluation, model serving.

Two results from that work:
- Trained a ranking model in PyTorch that raised click-through on search results from 21% to 27% in an A/B test
- Cut training cost by 38% with mixed precision and smaller batches

[One or two sentences on why this company: a product you use, a goal from the posting, a problem you can help with.] I would bring the same focus on measurable results, and hands-on experience with Machine Learning, AI and Python, which the posting asks for.

I would welcome the chance to talk about how I can help. Thank you for your time.

Sincerely,
[Your name]

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Questions about a machine learning engineer cover letter

What should a machine learning engineer cover letter include?
Three things: the role you are applying for, one or two results from your machine learning engineer work with numbers, and one specific reason you want this company. Name the skills the posting names; for this work the most frequent today are Machine Learning, AI, Python.
Do machine learning engineer jobs ask for a cover letter?
None of the 113 open machine learning engineer postings with a full description here mention a cover letter in their text (counted today). The application form often has a separate field for one: when it does, a short letter still helps.
How long should a machine learning engineer cover letter be?
Three short paragraphs, under 250 words: a screen without scrolling. Recruiters read the first lines and the results; everything else is skipped.

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