Founding Engineer (Potential CTO)

📋 Description

• Founding engineer responsible for technical direction, architecture, and execution with potential
• Build and launch end-to-end AI coaching experience from mobile app to AI model inference.
• Architect and develop AI-powered nervous system training coach with model integration and
• Translate real-time biosignals into personalized coaching experiences.
• Develop AI-powered QA/testing pipelines for safe, high-frequency releases.
• Own full-stack decisions across mobile frontend, backend, infra, databases, and integrations.

🎯 Requirements

• 3+ years mobile and full-stack software engineering, shipped consumer mobile products.
• Deep proficiency with React Native and ownership of full mobile development lifecycle.
• Production experience with Claude or other frontier AI models; prompt engineering and integration.
• Strong AI-native architecture understanding; integrate AI across product/tech stack.
• Backend experience with Node.js or Python, PostgreSQL, and modern cloud infra (Vercel, Fly, Render).
• Hands-on experience with Apple HealthKit, wearables APIs, real-time biosignals (HRV, PPG, motion).

🎁 Benefits

• $170,000 USD annual salary.
• Meaningful equity participation.
• Opportunity to join an early-stage healthtech venture at a foundational level.
• Potential path to CTO as the company and engineering org grow.
• Ownership over technical architecture, AI strategy, and engineering culture.
• Work directly with frontier AI tech, mobile platforms, wearable data, and real-time biosignals.