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Helius Technologies

Frontend Developer

Helius Technologies
Singapore · Contract · Mid-Senior

JOB DESCRIPTION


Role: Senior Front-End Developer - Design System

Position Overview

We are seeking an experienced Front-End Developer to join our team for the development of our design system. This role requires deep technical expertise in modern web technologies, with a strong emphasis on accessibility and web component development.

Key Responsibilities

Design, develop, and maintain our organization's design system

Build reusable, accessible web components using Web Component APIs

Implement and enforce accessibility standards across all front-end components

Develop and maintain end-to-end tests with integrated accessibility testing

Collaborate with designers and developers to ensure consistent implementation of design patterns

Conduct accessibility audits and remediation using industry-standard tools

Document component usage, accessibility features, and best practices

Stay current with web standards, accessibility guidelines, and emerging front-end technologies

Required Qualifications

Technical Skills:

Strong proficiency in front-end development (HTML5, CSS3, JavaScript/TypeScript)

Extensive experience with Web Component APIs and custom element development

Proven track record in design system development and maintenance

Expert knowledge of accessibility standards (WCAG 2.1/2.2 Level AA or higher)

Hands-on experience with accessibility testing tools (e.g., axe DevTools, WAVE, Lighthouse, NVDA, JAWS)

Proficiency in end-to-end testing frameworks with accessibility integration (e.g., Playwright, Cypress with axe-core)

Experience:

Demonstrated experience implementing accessibility best practices in production applications

Prior experience building and maintaining design systems or component libraries

Preferred Qualifications

Experience with Shadow DOM and styling encapsulation

Knowledge of ARIA specifications and semantic HTML

Familiarity with design tokens and theming systems

Experience with modern build tools and bundlers

Experience with Nx tooling or equivalent monorepo solutions (e.g., Turborepo, Lerna, pnpm workspaces)

Understanding of responsive and adaptive design principles

Contributions to open-source accessibility or component library projects

If you are keen with the above role, please share your resume in Word/PDF format to [email protected] along with below details so that we can discuss to proceed further.


Current Salary:

Expected Salary:

Notice Period:

Key Skills

Ranked by relevance

technical expertise design systems responsive html5
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Posted
Oct 12, 2025
Type
Contract
Level
Mid-Senior
Location
Singapore

Industries

IT Services IT Consulting

Categories

Analyst Information Technology Engineering

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