JavaScript Developer Resume Template (2026)

A modern JavaScript developer resume with quiz-verified scores and impactful project bullets.

Marcus Williams
marcus.w@email.com · Austin, TX · github.com/marcuswdev · linkedin.com/in/marcuswilliamsdev · marcusw.dev
Summary

JavaScript developer with 3 years of experience building full-stack web applications. Strong in vanilla JS fundamentals, React, and Node.js. Looking for mid-level frontend or full-stack roles where I can own features end-to-end.

Experience
Intercom · JavaScript Developer · Remote
Feb 2023 – Present
  • Built the in-app messenger widget in vanilla JS + Web Components — loads in under 40ms and works across 8,000+ customer sites
  • Refactored the team's Promise-heavy callback hell codebase to async/await, reducing bug reports by 30%
  • Implemented a virtual DOM diffing algorithm for a custom rendering engine, handling 500+ node trees efficiently
Shopify · Frontend Developer · Remote
Sep 2021 – Jan 2023
  • Maintained and extended the Storefront API JavaScript client used by 40k+ Shopify merchants
  • Fixed 80+ issues in the GraphQL subscription layer, improving reliability from 94.2% to 99.6%
  • Wrote comprehensive JSDoc across 120 exported functions, reducing support tickets by 40%
Projects
Node.js, JavaScript, CLI

Open-source CLI tool that visualises JavaScript bundle composition and identifies unused dependencies. 800+ GitHub stars.

  • 800+ GitHub stars
  • Identifies unused dependencies
  • Works with Webpack and Vite
Skills
Core: JavaScript (ES2022+), TypeScript, HTML5, CSS3
Frameworks: React, Node.js, Express, Next.js, Vue.js
Tools: Webpack, Vite, Jest, Playwright, Git
Education
freeCodeCamp · Certification, JavaScript Algorithms and Data Structures
Jan 2021 – Jun 2021

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Skills on this resume

JavaScriptReactNode.jsTypeScript

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React Developer →Python Developer →Frontend Developer →Fullstack Developer →Devops Engineer →Backend Developer →Senior Software Engineer →Typescript Developer →Node Js Developer →Cloud Engineer →Data Engineer →Mobile Developer →Machine Learning Engineer →Security Engineer →

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