Founding Full-Stack iOS Engineer

Founding Full-Stack iOS Engineer

Full-Time 72000 - 88000 £ / year (est.) Hybrid
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At a Glance

  • Tasks: Own the iOS app from start to finish, creating intuitive experiences with AI.
  • Company: Join a Y Combinator-backed startup at the forefront of wearable AI technology.
  • Benefits: Competitive salary, equity options, and flexible remote or on-site work.
  • Other info: Collaborate with a dynamic team across time zones for exciting growth opportunities.
  • Why this job: Be a founding engineer and shape the future of mobile AI experiences.
  • Qualifications: 3+ years of iOS development experience and strong full-stack skills required.

The predicted salary is between 72000 - 88000 £ per year.

About the Role

This is a founding engineering role at a Y Combinator–backed wearable AI startup, where you'll own the companion i OS app end-to-end — translating real-time emotional-state inferences into intuitive, consumer-grade experiences.

You'll be an early team member with meaningful product ownership, sitting at the intersection of cutting-edge AI and polished mobile design.

What You'll Do

  • Own the i OS app from architecture through deployment, iteration, and ongoing maintenance.
  • Surface emotional-state outputs from a proprietary AI inference model through clean, accessible mobile interfaces.
  • Build and ship a high-quality consumer mobile experience that meets demanding product standards.
  • Integrate backend APIs — including authentication, data sync, and data models — to support the full mobile stack.
  • Make autonomous technical decisions as a founding engineer, helping to shape the long-term platform architecture.

What We're Looking For

  • 3+ years of professional i OS development experience with

Swift and a proven track record of shipping production-ready consumer i OS apps.

  • Strong full-stack capabilities spanning mobile development and backend API integration.
  • Experience integrating machine learning model outputs or inferences into a mobile UX.
  • Demonstrated end-to-end ownership of mobile features, from concept through release and ongoing iteration.
  • Proficiency delivering polished, performant consumer UI/UX with smooth user experience.
  • Strong CS fundamentals and comfort making independent technical decisions.
  • Ability to collaborate effectively across time zones on a distributed team.
  • Work authorization in the UK or US required; new visa sponsorship is not available (H-1B transfers considered).

Compensation & Benefits

  • Base salary of
  • (or approximately
  • £75,000 GBP for London-based candidates), plus up to

1–2% equity . No new visa sponsorship; H-1B transfers may be considered.

  • Location
  • Flexible — remote or on-site. Primary office location is

London, UK , with a presence also in San Francisco, CA. Candidates must be comfortable working across time zones.

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Founding Full-Stack iOS Engineer employer: Clera

As a pioneering company at the forefront of wearable AI technology, we offer an exceptional work environment that fosters innovation and collaboration. Our culture encourages continuous learning and growth, providing employees with unique opportunities to bridge cutting-edge neuroscience research with practical machine learning applications. With competitive compensation, meaningful equity options, and flexible working arrangements in vibrant London, we are committed to supporting our team members in achieving both personal and professional success.

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Contact Details:

Clera Recruitment Team

We think you need these skills to ace Founding Full-Stack iOS Engineer

iOS Development
Swift
Full-Stack Development
Backend API Integration
Machine Learning Integration
Mobile UX Design
UI/UX Design