Founding Full-Stack iOS Engineer
Local Work Rights Required
This employer does not provide visa sponsorship. Applicants must already have the legal right to work in the job location.
This opportunity may still be relevant if you already have work authorization, are a permanent resident, citizen, student or dependant with work rights, or are seeking jobs within Africa.
Role Summary
Join Cleara as a Founding Full-Stack iOS Engineer and lead the development of a groundbreaking emotional intelligence wearable app. Hybrid/remote work is available.
About the Organisation
A Y Combinator-backed consumer wearable AI startup is hiring a Founding Full-Stack iOS Engineer to own the company's companion iOS app from the ground up. This is a high-ownership, founding-team role at the intersection of consumer hardware, real-time AI inference, and emotional intelligence. The company is building a first-of-its-kind wearable that reads and interprets a user's emotional state in real time — think a fitness tracker, but for your emotions and cognitive performance.
You'll be the primary builder of the consumer-facing mobile experience, translating sophisticated AI model outputs (energy, mood, focus signals derived from audio and biometric data) into intuitive, beautiful interfaces. This role comes with significant equity upside and a clear path to leading mobile engineering as the company scales.
The team is distributed, with presence in San Francisco and London. This role is based in London, with flexibility for hybrid or remote working arrangements.
Key Responsibilities
- Own the companion iOS app end-to-end — architecture, development, deployment, and ongoing iteration.
- Surface real-time emotional-state outputs from the company's proprietary AI inference model through clean, intuitive app interfaces.
- Build and ship a polished, consumer-grade mobile experience that meets high product and design standards.
- Integrate backend APIs covering authentication, data sync, and data models.
- Make autonomous technical decisions as a founding engineer, setting patterns and standards for the mobile codebase.
- Collaborate across time zones with a small, fast-moving distributed team.
Minimum Requirements
- Background in data-driven apps that surface complex model outputs through accessible design.
- Experience at a consumer hardware, wearable, or health/wellness tech company.
- Strong CS fundamentals and comfort owning architectural decisions autonomously.
Working Conditions
Primary location: London, United Kingdom. The team also has a presence in San Francisco, CA. Hybrid and remote flexibility available for the right candidate. No new visa sponsorship — candidates must have existing UK or US work authorization (H-1B transfers considered).
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- Salary: ~$150,000 USD (US) / ~£75,000 GBP (London) depending on location
- Equity: Meaningful founding-team equity (up to 1–2%)
- Seed-stage company backed by a top-tier accelerator
- High-ownership founding role with a clear path to leading the mobile engineering function
Eligibility Criteria
Applicants must have work authorization to be employed in the UK or US, as the company does not offer visa sponsorship.
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