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Front-End Developer Cover Letter Example

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Largest Contentful Paint improvement-1.4s
Accessibility score lift+24 pts
Engagement increase+18%

This front-end developer cover letter example complements the front-end developer resume example.

It demonstrates how to reference wins like achieving -1.4s largest Contentful Paint improvement, achieving +24 pts accessibility score lift, and achieving +18% engagement increase without repeating your resume word for word.

Bring personality forward by emphasizing strengths such as Delivers fast, accessible interfaces aligned with design systems, Uses testing and observability to prevent regressions, and Collaborates closely with design, product, and QA to ship customer love.

Cover Letter preview for Front-End Developer Cover Letter Example
How to use this cover letter
Dear Hiring Manager,

I'm excited to apply for the Front-End Developer position. Front-end developer improving LCP by 1.4 seconds, raising accessibility scores 24 points, and increasing engagement 18% with clean React architecture.

At UXVelocity, refactored product detail pages using Next. js and design tokens to create smoother user experiences across devices.

I have a track record of achieving -1.4s largest Contentful Paint improvement, achieving +24 pts accessibility score lift, and achieving +18% engagement increase.

My key strengths include Delivers fast, accessible interfaces aligned with design systems, Uses testing and observability to prevent regressions, and Collaborates closely with design, product, and QA to ship customer love.

I'm known for strengths in front-end, accessibility, and performance while partnering with cross-functional teams.

I would welcome the opportunity to discuss how my experience can support your goals. Thank you for your time and consideration.

Leah Owens
Front-End Developer | Design System & Accessibility Focus

Highlights

  • Delivers fast, accessible interfaces aligned with design systems.
  • Uses testing and observability to prevent regressions.
  • Collaborates closely with design, product, and QA to ship customer love.

Tips to adapt this example

  • Choose one metric such as achieving -1.4s largest Contentful Paint improvement to show the scale of your impact.
  • Mirror the language from the job post in your first paragraph to signal fit immediately.
  • Anchor each paragraph around a single achievement and quantify the outcome when possible.
  • Close with a confident call to action that makes it easy to move to the interview stage.
  • Adapt the focus of the second paragraph to spotlight strengths like Delivers fast, accessible interfaces aligned with design systems.

Keywords

Front-End EngineeringReactTypeScriptAccessibilityCSS-in-JSDesign SystemsLighthouseTesting LibraryA/B TestingPerformance
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