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Software Engineer - UI

Company

HartleyCo

Location

cabo de santo agostinho, cabo de santo agostinho

Posted

June 08, 2026

Position Overview

Most frontend roles are just building screens.


This isn’t one of them.


This is a chance to own a real-time, collaborative, AI-native product surface - the part of the system where users actually work, make decisions, and rely on the output.


Think Notion or Google Docs-style interaction design, applied to a high-stakes domain where correctness and usability matter.


Why this role is interesting:


  • You’ll own state-heavy, collaborative UI systems , not just components
  • You’ll work on real-time multi-user editing and syncing problems
  • You’ll integrate AI directly into the product experience , not as a bolt-on
  • You’ll join a small, high-performing team with real product traction
  • You’ll have direct influence over product direction and UX standards


This is one of the highest-priority engi...

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