Senior Product Engineer
Senior Product Engineer role to own end-to-end features for Ello’s AI tutoring apps, bridging product and engineering across backend, ML, and frontend.
On-site • San Francisco, CA, USA- Full Time
Ello
3 open rolesLast updated April 6, 2026 at 10:56 AM UTC
Ello is an AI-powered reading coach designed for early elementary learners (Kindergarten to 3rd grade). The app combines a coaching interface with a decodable e-book library, guided by Adaptive Learn—Ello’s proprietary AI that adapts to a child’s abilities and interests. It provides real-time supports as children read, offers corrective feedback, and uses a game-like reward system to sustain motivation. The books are designed to align with the Science of Reading, focusing on phonics and decoding. The subscription includes monthly or annual plans, access to digital coaching, and optional Ello gift boxes; data is anonymized and ads are not shown.
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