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A leading technology firm is looking for a Senior UX / UI Engineer to lead the design and improvement of internal web-based interfaces in a 100% remote role. Ideal candidates should have strong expertise in React, alongside experience in improving usability and enhancing user workflows. This position is ideal for proactive engineers ready to dive deep into user experience issues and deliver impactful solutions. Candidates must be detail-oriented and eager to collaborate effectively with internal teams.
We're seeking for a Senior UX / UI Engineer in Brazil - 100% remote
Type : 6-Month Contract (with strong potential for extension)
Remote
We're looking for a Senior UX / UI Engineer to help build and improve internal web-based user interfaces for our Site Reliability Engineering teams. This role is ideal for a front‑end engineer who loves to get hands‑on with React and enjoys improving user workflows, not just coding layouts.
You’ll be working on existing internal React applications (built by engineers, for engineers) — streamlining them, improving usability, and helping implement new functionality.
Enhance and reorganize an existing internal React app to improve usability and maintainability.
Build and implement intuitive web‑based interfaces used daily by internal engineering teams.
Collaborate with engineers and stakeholders to identify UX pain points and deliver better workflows.
Bring a strong design sensibility to UI decisions, even if design is not your primary focus.
React expertise — deep hands‑on experience building and improving production React applications.
Experience delivering solutions using multiple front-end languages or frameworks (you've picked up a "second and third language").
HTMX experience (required).
Lit experience is a plus (not mandatory).
Experience implementing and improving internal web-based applications.
Comfort working in the UX layer — improving workflow, usability, and user experience (not just layouts).
Familiarity with internal tools or applications (preferred over public-facing apps).