Clera - Founding Engineer (Potential CTO)
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Requirements
• Dealbreakers: • Production experience shipping and operating Claude or other frontier models, including prompts, tool use, and evaluation. • Ability and willingness to work in-person in New York, San Francisco, or Montreal. • 3+ years in mobile/full-stack engineering with proven 0→1 consumer mobile app delivery to real users. • Deep fluency in React Native with full ownership of the mobile lifecycle (build, release, debug, monitor, iterate). • Experience with AI-native infrastructure where AI is integrated across layers, not bolted on. • Backend development experience in Node.js or Python with PostgreSQL and modern infra (Vercel, Fly, Render, or similar). • Ability to move across the stack — frontend, backend, infra, AI — with minimal handholding. • Experience with HealthKit, wearable APIs, or biosignal data (HRV, PPG, motion) in real time. • Founder mindset with prior first-engineer or early-stage startup experience and comfort making hard tradeoffs. • Experience building AI-powered testing or evaluation pipelines. • Background or deep interest in nervous system science, somatics, neuroscience, or trauma research. • Prior experience as the first engineer at a startup. • Note: Visa sponsorship is not available for this role. • Note:
Responsibilities
• Own technical direction and execution as the founding engineer, acting as a true technical co-founder. • Ship the AI coaching product v1 end-to-end — from React Native app to frontier model inference and wearable integrations. • Architect and build an AI nervous system training coach, including model design, prompt engineering, tool use, and evaluation pipelines. • Translate biosignals (HRV, breath, motion, PPG) into a real-time, personalized coaching layer. • Build AI-powered QA and testing pipelines to enable safe, fast daily shipping. • Own full-stack decisions across frontend, backend, infrastructure, and AI-native layers. • Integrate iOS/HealthKit and wearable platforms (Apple Watch, Oura, Whoop, EEG headbands). • Collaborate closely with the founding team on-site.
Benefits
• Equity commensurate with a founding team role • Location • This is an on-site role. You must be able to work in person in New York, NY, San Francisco, CA, or Montreal, Canada. Remote work is not available for this position. • on-site role • New York, NY
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