2 days ago
Base Salary
$160k - $200k/yr
Responsibilities
- Own projects and features from concept through playtesting and release.
- Build full-stack experiences across the Flutter app, backend services, APIs, and AI systems.
- Develop Python services, APIs, data models, LLM prompts, agent behavior, and speech and language model integrations.
- Bring AI characters and learning activities to life through interaction design, data, and AI behavior.
- Partner with learning designers, activity creators, artists, ML engineers, and product managers on scope, tradeoffs, and progress.
- Test features directly with children, analyze results, and iterate on shipped products.
- Own CI and release workflows and use AI coding tools such as Claude Code or Cursor.
Requirements
- Production experience shipping full-stack products, including a mobile frontend such as Flutter, native iOS, or Android and the backend services and APIs behind it.
- Hands-on backend experience with Python, APIs, and data models, plus experience integrating LLMs or other AI services into production features.
- Demonstrated ability to ship products end to end with little direction and turn ambiguous problems into plans and delivered outcomes.
- Strong product craft and attention to detail, including the ability to build polished UI without mockups.
- Ability to balance speed and quality, make technical decisions with incomplete information, and learn unfamiliar code quickly.
- Clear, proactive communication and the ability to work effectively with non-engineering partners.
- Comfort using AI coding tools as a core part of the development workflow and explaining their impact.
- Preferred experience includes building products for children or education, production animation or motion using Rive or Lottie, speech pipelines, agent orchestration, evaluations, product management or founding, design, and mobile performance across devices and screen sizes.
Benefits
- Work on an AI tutor used daily by children and own whole features from the Flutter app through the AI systems.
- Collaborate across engineering, AI, learning science, and design on a small team where individual judgment influences the product.
- Work in person from Ello’s San Francisco office three days per week.
- Join a mission-driven public benefit corporation focused on child development and education.
Tech Stack
Categories
About Ello
Building a 1:1 teacher was one of the original dreams of AI. It’s finally possible.