Senior react engineer (design systems) (ciudad de méxico)

Location: Remote, LATAM

Engagement Type: Fractional (3‑month project)

The Work (What you’ll be doing & your impact) Build, maintain, and scale reusable UI components that support a large‑scale digital platform used by millions of users worldwide. Partner closely with engineers, designers, and cross‑functional stakeholders to translate Figma designs into production‑ready components and patterns. Help evolve and expand an enterprise design system, improving consistency, accessibility, scalability, and developer experience across multiple products and teams. Contribute to shared frontend infrastructure by building component libraries and UI foundations that accelerate product development. Participate in code reviews, technical discussions, and architecture decisions while maintaining a high bar for engineering quality. Collaborate closely with engineers, designers, and product teams in a fast‑moving environment while contributing to shared engineering goals and prioritie...