We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a general team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

Responsibilities:
- Build & Maintain UI Libraries: Engineer, govern, and evolve a unified enterprise design system powering digital code platforms, learning management systems, mobile/hybrid interfaces, and compliance portals
- Technical Ownership: Drive front-end strategy, component architecture, tooling, and governance to ensure consistency across multiple public and internal web applications
- Accessibility & Performance: Enforce strict adherence to WCAG 2.2 AA standards, semantic HTML, ARIA patterns, keyboard navigation, and Core Web Vitals optimization
- Stakeholder Sync & Design Alignment: Collaborate in real-time with US-based Product Managers, UX Designers,



and Architects to translate complex workflows into reusable UI components
- Governance & Tooling: Manage semantic versioning of UI packages, write technical documentation, handle breaking changes, and automate UI testing pipelines

Requirements:

We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit

Software Design:
- Uses established standards and algorithms for translating complex technical workflows into UI components and maintaining semantic versioning
- Practical use of advanced features in React (Hooks, Context, State Management, SSR/Next.js) and Web Components
- Experience in refactoring existing applications according to accessibility (WCAG 2.2 AA) and performance requirements
- Bonus: Experience building cross-platform web/mobile components using Ionic Framework

Quality Assurance:
- Hands‑on experience with testing approaches and tools (Storybook, Jest, React Testing Library,

📌 Senior JavaScript Engineer (Argentina)
🏢 Ciklum
📍 Argentina