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Fay

Senior iOS Engineer

Sorry, this job was removed at 12:18 a.m. (PST) on Friday, May 01, 2026
In-Office or Remote
2 Locations
In-Office or Remote
2 Locations

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About Fay

At Fay, our mission is to make nutrition a foundational pillar of preventative care, improving outcomes, accessibility, and affordability at scale. We're building AI-powered infrastructure to transform preventative healthcare. Think that's bold? We're just getting started.

Today, Fay is a three-sided marketplace connecting providers, patients, and payers to revolutionize preventative care delivery. Our b2b2c business-in-a-box solution empowers dietitians to deliver high-quality, affordable nutrition care, helps patients take control of their health, and enables payers to build healthier member populations. Nutrition is our starting point, not the finish line. The platform we're building will expand into new areas of preventative health and wellness as we grow.

We're proud to be one of the fastest-growing companies in healthtech, backed by category-defining investors like General Catalyst, Forerunner, 1984, and Goldman Sachs.

Ready to leverage AI-driven technology to transform preventative care and make a real-world impact on health? Let's talk.

About this Role

We have a dream position for someone who wants to be an iOS engineer on our team. What makes this a dream opportunity?

  • A built-in user base of tens of thousands of people that’s growing like a 🚀
  • A mandate to build an amazing mobile-first experience that is at the very core of the company’s strategy and vision
  • A company-wide mission of delivering high quality, convenient and affordable care

We have an app on the App Store today that’s just the very beginning of what we envision for our mobile experience: A one-stop hub for healthy eating where you can chat with your licensed dietitian one day and order groceries covered by insurance the next. To get there, we need to build out our iOS team! 💻📱

Who are we looking for? A talented and driven iOS engineer who has built sophisticated iOS apps written in native Swift and relishes the fast pace of a startup environment like ours.

What will you be working with? Our iOS app uses native Swift, Combine and an MVVM architecture. Fay’s core web tech stack consists of a Python backend, a React frontend and a Postgres database.

What You'll Be Doing:

  • Building: You’ll be adding new features and functionality to the app at high velocity
  • Collaborating: You’ll be working with our uber-talented designer, our amazing product manager and our all-star engineering team
  • Owning: As a Senior iOS Engineer, you’ll be owning game-changing features that will take the user experience to the next level 📈

The best companies are made of the best people. There’s no shortage of work ahead, but we stay balanced and look forward to celebrating our wins as a team.

See our careers page here to learn more about working on our team.

Fay is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

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