Founding Full-Stack iOS Engineer

Навыки

• API (интеграции)
• Решения на данных
• iOS
• Machine Learning
• Ответственность за результат
• Swift
• UX-дизайн

О компании и продукте

• A Y Combinator-backed consumer wearable AI startup is hiring a Founding Full-Stack iOS Engineer to own their companion iOS app end-to-end. The company is building a first-of-its-kind wearable device that reads and interprets real-time emotional states, helping users develop emotional intelligence and achieve repeatable peak-performance states.
• This is a high-ownership founding role — you will define the primary consumer touchpoint for a cutting-edge AI inference platform, bridging complex multi-signal model outputs with intuitive, polished mobile experiences. The team is small (under 10 people), moving fast, and has working prototypes already on users' wrists. The founding team includes ex-Apple hardware product design veterans.
• The role is based in London (with flexibility for remote) and reports directly to the founding team. Visa sponsorship is not available for new applications; H-1B transfers may be considered where applicable. Candidates must hold existing work authorization in the UK or US.

Задачи

• Own the companion iOS app entirely — from architecture and development through deployment, iteration, and long-term maintenance
• 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 performance standards
• Make autonomous technical decisions as the founding mobile engineer, setting patterns and standards the team will scale with
• Collaborate across time zones with a distributed team spanning London, San Francisco, and beyond

Требования

• 3+ years of professional iOS development experience with Swift and a proven track record of shipping production-ready, consumer-facing iOS apps
• Demonstrated end-to-end ownership of mobile features — from concept through release and ongoing maintenance
• Strong full-stack capabilities including backend API integration (authentication, data sync, data modelling)
• Experience integrating machine learning model outputs or inference results into a mobile UX
• Proficiency delivering polished, consumer-grade UI/UX with attention to performance and smooth user experience
• Comfortable working independently across time zones in a remote or hybrid environment
• Strong CS fundamentals and the ability to own technical decisions with minimal oversight

Будет плюсом

• Background building data-driven apps that surface complex model or sensor outputs to end users
• Experience at a high-calibre consumer tech, fintech, or wearables company
• Appetite for a founding-team role at a seed-stage company where your work directly shapes the product and organisation
• This role is not suitable for recent or fresh graduates

Условия

• Base salary: ~$150,000 USD (US) / ~£75,000 GBP (London)
• Equity: Meaningful founding-team equity package (up to 1–2%)
• Seed-stage funding from a top-tier accelerator
• angel and strategic investor round in progress
• LOCATION
• Primary office: London, United Kingdom
• Flexibility also available for remote work or presence in San Francisco
• Visa sponsorship: Not available for new applications. H-1B transfers considered where applicable. Candidates must have existing UK or US work authorisation

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