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Five9

Senior Software Engineer - Frontend - Core Design System

Five9
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about 2 hours ago
Porto, PortugalSenior
H1B Sponsor

Responsibilities

  • Build reusable, responsive, and WCAG accessible components for the design system.
  • Maintain and organize the Design Token system and collaborate with Nimbus developers.
  • Continuously improve the React component library with the latest frontend packages.
  • Implement CI/CD unit tests, integration tests, and visual regression tests.
  • Collaborate with design teams, product managers, and UI architects to enhance components.
  • Advocate for coding standards and best practices to ensure maintainable code.
  • Mentor team members through code reviews and knowledge sharing.

Requirements

  • 5+ years of post-internship experience with React and TypeScript.
  • Strong proficiency in semantic HTML, CSS (preferably SCSS), and JavaScript.
  • Experience with component libraries, design systems, and design tokens.
  • Attention to detail and strong problem-solving skills.
  • Expertise in Web Content Accessibility Guidelines (WCAG).
  • Experience with frontend tooling and migration, preferably Vite and Codemod.
  • Experience with testing frameworks like React Testing Library and Cypress.
  • Familiarity with Figma for design collaboration.
  • Excellent English communication skills, both verbal and written.
  • Self-motivated and ownership-driven with a commitment to delivering solutions.
  • Bachelor’s degree (or equivalent) in a relevant discipline.

Benefits

  • Five9 Shares
  • Bonus Scheme
  • 10% Flexi Benefit
  • Meal Allowance
  • Medical Insurance
  • Life Insurance
  • 25 days Annual Leave + Public Holidays

Tech Stack

CSSCypressHTMLJavaScriptReactTypeScript

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