Senior Front End Web Developer

Aylo Careers

$80K — $110K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of professional web development experience.
  • Proficient in vanilla JavaScript with knowledge of its quirks and best practices.
  • Strong understanding of HTML5 and CSS3.
  • Familiar with asynchronous programming and related patterns like promises.
  • Proficient in browser rendering behavior and performance strategies.
  • Knowledge of ECMAScript 6 (ES6) and cross-browser compatibility issues.
  • Basic understanding of CSS preprocessors like LESS and SASS.
  • Familiarity with modern frameworks such as Vue.js and React.

Responsibilities

  • Develop new user-facing features that enhance user experience.
  • Build reusable code and libraries that comply with best practices.
  • Collaborate with cross-functional teams, including UX and Backend, to innovate features.
  • Implement automated tests and follow test-driven development principles.
  • Ensure UI/UX designs are technically feasible and executable.
  • Optimize website performance for faster load speeds.
  • Diagnose and fix software bugs and defects to maintain functionality.

Benefits

  • Opportunity to work on high-traffic websites.
  • Exposure to advanced web development technologies and frameworks.
  • Collaboration with a growing team in a dynamic environment.
Full Job Description
As a member of a growing team, you will participate in all stages of the web development lifecycle and contribute to some of the world's most highly trafficked websites. This role requires proficiency in vanilla JavaScript and a strong desire to deepen expertise in modern JavaScript frameworks.
What you'll be doing:
  • Develop new user-facing features.
  • Build reusable code and libraries for future use while adhering to best practices.
  • Collaborate with UX, Backend, Operations, and other teams to iterate on new features.
  • Write automated tests and apply test-driven development principles.
  • Ensure the technical feasibility of UI/UX designs.
  • Optimize website performance and page load speed.
  • Ensure code security and compliance with established standards.
  • Troubleshoot, diagnose, and resolve software bugs and defects.
What you'll need to be successful:
Must Haves:
  • 5+ years of professional web development experience.
  • Proficiency in vanilla JavaScript, including its quirks and best practices.
  • Excellent understanding of web markup, including HTML5 and CSS3.
  • Excellent understanding of synchronous and asynchronous requests, promises, and related patterns.
  • Excellent understanding of browser rendering behavior and performance optimization.
  • Excellent understanding of ECMAScript 6 (ES6).
  • Excellent understanding of cross-browser and legacy compatibility issues and methods for addressing them.
  • Basic understanding of CSS preprocessing technologies such as LESS and SASS.
  • Good understanding of modern JavaScript libraries and frameworks such as Vue.js and React.
  • Experience with testing and mocking techniques, including Behavior-Driven Development (BDD), and tools such as Playwright.
Nice to Haves:
  • Good understanding of Node.js and build tools such as Gulp and Webpack.
  • Understanding of adaptive video technologies, virtual reality, and live streaming.
  • Basic understanding of TypeScript.


In this role you may be exposed to adult content

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