Software Engineer - Ui

HartleyCo

Full-time IT
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Location
sorocaba, federative republic of brazil, Brazil
Posted
June 09, 2026

Job Description

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 engineering hires on the team right now. What you’ll be doing: Building rich editing and collaboration experiences (shared editing, commenting, annotation) Designing UI systems where multiple users interact in real time...