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Back End Developer cover letter template
A structured letter with example content specific to this role. Replace the bracketed placeholders and adjust the details to the job you're actually applying for.

How to structure it
Opening
Name the role and, in one line, the strongest reason you're a fit. Skip the throat-clearing.
Middle
One or two paragraphs of real, specific evidence: what you did, and the result. This is where most letters go generic. Yours shouldn't.
Why this employer
One genuine, specific reason you want this job at this company, not any company. Vague enthusiasm reads as a template that wasn't customised.
Close
Thank them, note your resume is attached, and make it easy to reach you.
Re: Application for Back End Developer
I'm writing to apply for the Back End Developer position at [Company Name]. My background in server-side development, database design and API delivery lines up closely with what this role needs, and I'm keen to bring that experience to your engineering team.
In a recent project I redesigned the indexing strategy on a PostgreSQL database supporting a customer-facing reporting tool, after query times had become a recurring complaint from the front-end team. Working through execution plans and rebuilding several indexes cut average response times noticeably and removed the need for a planned hardware upgrade. That project also involved documenting the API changes clearly enough that two other developers could pick up the integration work without needing me to walk them through it.
[add one genuine, specific reason: a project, value, or market position you can point to] is what drew me to this role in particular, and I'd welcome the chance to bring my API and database experience to that kind of work.
Thank you for considering my application. I've attached my resume with further detail on my technical background and recent project work, and I'd be glad to discuss how I could contribute to your team.
Getting it right
- Keep it to one page. A hiring manager spends seconds on this before deciding whether to read your resume.
- Address a named person where you can find one, rather than "To Whom It May Concern".
- Don't repeat your resume line for line. Use the letter to add context a bullet point can't: why this role, why now, why here.
- Match the tone of the job ad. A formal listing calls for a formal letter; a casual one gives you room to write more like yourself.
This is a starting point, not a guarantee of interviews. Make it specific to the actual employer before you send it.