AI/ML Engineer

About this role

Ello is seeking an AI/ML Engineer to build intelligent tutoring systems that adapt to individual children's learning needs. You'll own AI features end-to-end—from research and evaluation to production deployment—while collaborating with learning experts to create measurable educational impact.

What you'll do

• Design and improve the agent system that powers adaptive tutoring, including decision-making for intervention and personalization
• Build learner profiling and adaptation systems that model each child's strengths, gaps, pace, and engagement
• Own AI features end-to-end: identify opportunities, build evaluation systems, and ship production improvements
• Develop feedback loops and data flywheels that continuously improve product quality through experimentation
• Collaborate with learning experts and engineers to measure educational quality, engagement, safety, and latency
• Define and assess the impact of AI on children's educational outcomes

What they're looking for

• 3+ years building AI products in engineering or research roles
• Strong Python software engineering fundamentals and code quality standards
• AI/ML evaluation and measurement systems design
• Machine learning foundations and ability to read/implement recent ML research
• Applied mathematics and linear algebra proficiency
• Experimental thinking and empirical product improvement methodologies
• Low-latency inference optimization (bonus)
• Model training experience (bonus)