Jobs · Engineering · New York

Frontend Developer

Kanz · New York, NY · 5 mo ago
EngineeringFull-time

Responsibilities

  • Lead the development of a scalable frontend architecture, including a reusable component library and design system, to ensure consistent UI across features.
  • Develop high-quality UI features using React and TypeScript, delivering fully tested code within sprint timelines and with clear acceptance criteria.
  • Optimize frontend performance by reducing bundle size, improving time-to-interactive, and achieving target metrics such as first contentful paint under 1.8s on key pages.
  • Ensure accessibility by delivering WCAG 2.1 AA compliant features, including keyboard navigation, screen reader support, and color contrast checks.
  • Collaborate with product, design, and backend teams to translate user stories into shippable frontend features, maintaining clear documentation and acceptance criteria.
  • Implement responsive UI components and layouts with cross-browser compatibility to ensure a consistent experience on desktop, tablet, and mobile devices.
  • Build and maintain automated tests (unit, integration, visual regression) using established frameworks, achieving at least 85% test coverage for frontend code.
  • Monitor quality and security by conducting code reviews, triaging issues, and addressing performance and accessibility regressions in production within SLAs.
  • Document frontend architecture, coding standards, and component usage in the internal wiki to support onboarding and cross-team knowledge sharing.
  • Mentor junior developers and participate in design reviews to promote best practices and overall frontend quality.

Qualifications

Required:

  • Bachelor’s degree in Computer Science, Software Engineering, or related field.
  • Minimum 5 years of professional experience in frontend development.
  • Experience with React and TypeScript.
  • Strong understanding of web technologies, including HTML, CSS, and JavaScript.
  • Experience with accessibility guidelines and techniques, specifically WCAG 2.1 AA.
  • Proficiency in automated testing tools and methodologies.
  • Excellent problem-solving skills and ability to work independently and collaboratively.

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