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Cover letter example

Web Developer Cover Letter Example

Agencies hiring a web developer read for fast sites, accessible builds and clean handover. This letter opens on a Lighthouse standard and delivery time, then shows WCAG checks and care plans, tied to an agency taking on clients from a retiring developer.

Mid career · 273 words · Last reviewed 4 November 2026 · 3 min read · How we write these

The job this letter answers

Web Developer, Marram Creative

Marram Creative is a 12-person design studio in Poole that builds websites for local shops, cafes and charities, and has just taken on 30 care-plan clients from a retiring developer.

  • Build websites from design files for small business clients
  • Launch sites that load quickly on a phone
  • Make sites usable for everyone, including keyboard users
  • Maintain live sites and fix client requests quickly
Template

The letter takes the colors of the resume template, the same way a downloaded cover letter matches your resume.

Yusuf Demir

Bournemouth · yusuf.demir@example.com

4 November 2026

Ms Poppy Hartnell

Head of Development

Marram Creative

Subject: Application for Web Developer

Dear Ms Hartnell,

Every site I launch at Solent Digital Studio scores above 90 for mobile performance in Lighthouse, and reaches launch in about five weeks on average. I am applying to be a Web Developer at Marram Creative.

I build about 10 small business WordPress sites a year from Figma design files, compressing images and limiting scripts so pages load quickly on a phone. I write custom WordPress themes in PHP, so clients get a fast site without a heavy page builder. Before launch I check each site against WCAG 2.2 AA, covering contrast, keyboard use and image descriptions. Afterwards I look after 26 live sites with monthly updates and backups, and none was down for more than an hour last year.

Marram Creative taking on 30 care-plan clients from a retiring developer is the reason I am applying, because inherited sites are where clean handover habits pay off. The advert asks for someone to maintain live sites and fix client requests quickly. Under a care plan I fix change requests within two working days, and every site I hand over comes with a short video and a one-page guide so clients can edit their own pages. Poole is also where I started, building 12 landing pages at Poole Print and Web and learning version control and code review from the senior developer there before a trial project moved me into development.

Pick any three of my live sites and test them on your own phone before we meet; I will send the list today. Over a coffee in Poole I would then like to hear how your designers hand files to the build team.

Kind regards,

Yusuf Demir

A made-up letter. The person, the employers and every number are invented, and any resemblance to a real one is chance. Sending it by email? Put the subject line in the email’s subject box, add your name to it, and attach the letter as a PDF.

Paragraph by paragraph

  1. The opening

    Starts: “Every site I launch at Solent Digital…”

    Names the speed tool and the delivery time, the two figures an agency quotes to clients.

  2. Your strongest evidence

    Starts: “I build about 10 small business WordPress…”

    Answers the build, speed and accessibility lines, naming the standard agencies quote to clients.

  3. Why this employer

    Starts: “Marram Creative taking on 30 care-plan clients…”

    Ties the reason for applying to the agency's new care-plan clients and the writer's own start in the same town, and answers the maintenance line in the advert's words.

  4. The close

    Starts: “Pick any three of my live sites…”

    Invites the reader to test real work on a phone, the same test the advert sets, and proposes a meeting.

Why this letter works

  • Lighthouse and WCAG 2.2 AA are named, so the reader knows exactly what standard is met.
  • Downtime and change request times show care after launch, which agencies sell to clients.
  • The reason for applying is the agency's inherited care-plan clients, and the writer has a real local link.
  • Asking the reader to test sites on a phone matches the advert's own priority.

How to write your own web developer cover letter

  1. Name the tool behind any speed score, such as Lighthouse, and the device it was measured on.
  2. Name the accessibility standard you check against and the three or four things you test.
  3. Show what happens after launch: uptime, update rhythm and how fast you fix requests.
  4. Mention handover materials that let clients edit their own pages.
  5. Offer live sites the reader can test on their own phone.

Common questions

Should an agency web developer list every site they have built?

No. Offer three live sites that show range and speed, and send the full list only if asked.

How do I show accessibility skills without a long course list?

Name the standard you test against, such as WCAG 2.2 AA, and what you check before each launch.

Is a short accessibility course worth putting on the resume?

Yes, as one line, when it is from a body readers recognize. Your launch checks will still say more.

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