Ciklum

Senior JavaScript Engineer

Ciklum
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7 days ago
Remote, ArgentinaSenior

Responsibilities

  • Engineer, govern, and evolve a unified enterprise design system and reusable UI libraries.
  • Own frontend strategy, component architecture, tooling, and governance across public and internal web applications.
  • Build accessible, performance-driven interfaces using semantic HTML, ARIA patterns, keyboard navigation, WCAG 2.2 AA, and Core Web Vitals optimization.
  • Collaborate with Product Managers, UX Designers, and Architects to translate complex workflows into reusable UI components.
  • Manage semantic versioning, technical documentation, breaking changes, and automated UI testing pipelines.
  • Mentor mid-level engineers on JavaScript and TypeScript patterns, testing methodologies, and web component design.

Requirements

  • Experience designing solution architectures for enterprise design systems, design tokens, and web components.
  • Proficiency in JavaScript, TypeScript, semantic HTML5, CSS3, CSS Modules, Styled Components, Tailwind CSS, and Sass.
  • Practical experience with advanced React features including Hooks, Context, state management, SSR, and Next.js.
  • Experience refactoring applications for accessibility and performance requirements.
  • Hands-on experience with Storybook, Jest, React Testing Library, Cypress, visual regression tools, and accessibility testing technologies.
  • Ability to maintain code quality rules and monitor Core Web Vitals metrics.
  • Experience configuring CI/CD pipelines with GitHub Actions or GitLab CI and using Vite or Webpack.
  • Experience with Ionic Framework is a bonus.

Benefits

  • Company-paid medical insurance and mental health programs, plus five undocumented sick-leave days per year.
  • Internal meetups, conferences, workshops, a Udemy license, language courses, and company-paid certifications.
  • Long-term employment with 20 working days of paid vacation and local bank holidays.
  • 100% remote work mode.
  • Internal Mobility Program and opportunities to work on large-scale international projects.
  • Friendly, collaborative workplace with an open-door policy, informal atmosphere, and team-building events.

Tech Stack

CypressGitHub ActionsGitLab CI/CDJavaScriptJestNext.jsReactSassTailwind CSSTypeScriptWebpack

Categories

Ciklum

About Ciklum

1,001-5,000 employees

Ciklum is a global Experience Engineering firm that stands at the forefront of innovation, blending next-generation product engineering, exceptional customer experiences, and cutting-edge AI. The business revolutionizes the way people live by developing technologies that reimagine, reshape, and redefine the future. For over 20 years, Ciklum has been a trusted partner to global enterprises and digital disruptors, spearheading the creation of digital solutions that tackle complex corporate challenges while propelling businesses toward accelerated growth and success. Its global team of over 4,000 highly skilled engineers, experience design specialists and consultants joins forces to engineer technology that paves the way for the future of your business. Ciklum builds tailored digital solutions that leverage emerging technologies for such clients as Just Eat, Metro Markets, EFG International, Zurich Insurance and others. For more information about us visit www.ciklum.com

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