Founding Engineer
Hybrid (San Francisco, CA)$175k - $200k + equityFull-timePosted 3mo ago
About the role
Founding engineer role at Bloomy, an AI-native learning platform for K-12. Join a solo founder to build and scale an AI-driven education product, including agent infrastructure, frontend (React/TypeScript) and backend (Supabase) work, with significant equity and early-stage impact.
Responsibilities
- Ship features and fixes to production and iterate with real classroom feedback.
- Own and ship fleets of AI agents, write specs, build harnesses, and set QA gates.
- Develop and maintain the React/TypeScript app and Supabase backend; manage content pipeline and agent fleets feeding it.
- Design and implement roadmap for product across the stack; interact with teachers, students, and districts to inform direction.
Qualifications
- 5+ years shipping products that end users touch daily
- High-agency: able to turn ambiguous feedback into shipped product without waiting for a spec
- Expert-level with AI coding tools and use them to move faster without outsourcing judgment
- Comfort with managing a dozen concurrent agents
- Willingness to engage with real users (including students) for feedback
- Experience with roster CSV imports, school-device performance quirks, and school-specific customization
- Measurable learning outcomes focus (not just engagement)
Skills
Required:TypeScriptReact
Nice to have:PostgreSQLSupabaseAI / LLM tooling
Benefits
- Founder-level equity (1.5 - 2.0%)
- Competitive cash compensation: $175K - $200K
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Bloomy
AI-powered mastery learning for K-12
Bloomy helps students learn more efficiently by using AI to identify exactly what a student should learn and when they should learn it. We provide adaptive and personalized curriculum to K-12, starting with English Language Arts, Math, and Writing.
AI-Enhanced LearningArtificial IntelligenceEducationeLearningPersonalization
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