Senior Software Engineer - Mobile (iOS)

Eight Sleep

About The Position

At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and emotional performance by transforming every night of sleep into a personalized, data-driven recovery experience. We are trusted by high performers, professional athletes, and health-conscious consumers in over 30 countries worldwide. Recognized as one of Fast Company's Most Innovative Companies in 2019, 2022, and 2023, and twice named to TIME's “Best Inventions of the Year.” We operate like a high-performance team: fast, focused, and motivated by impact. We don’t just ship; we iterate, refine, and obsess over the details that help our members sleep better and wake up stronger. Every role at Eight Sleep is a chance to create cutting-edge technology, collaborate with world-class talent, and help shape a future where sleep isn’t passive - it’s a powerful tool for living better. If you’re tired of the ordinary and driven to build at the edge of what’s possible, this is your moment. Join us and lead the movement that’s transforming how the world sleeps and what we’re all capable of when we wake up. High Standards. No Apologies. We operate with intensity because our mission demands it. At Eight Sleep, we bring the same mindset as the world’s top performers: focused, relentless, and always pushing to be in the top 1% of our craft. Think Kobe Bryant’s mamba mentality, applied to bold ideas, next-gen tech, and flawless execution. This isn’t a 9-to-5. Our team is deeply committed, often putting in 60+ hours a week –not because we’re told to, but because we’re invested. We’re here to build fast, push limits, and deliver without compromise. If you thrive under pressure and want to do the most meaningful work of your career, you’ll feel right at home. If you’re looking for something easier –this isn’t it. The Role The mobile app is our primary point of interaction with members. It allows users to control and configure our product and helps them gain insights. You will work very closely with other Engineers (backend, firmware, ML), departments (R&D, Growth, Hardware), and Executives (CEO, CPO, VPs). We are looking for an experienced Senior iOS Software Engineer to join our Engineering team. The ideal candidate has experience within a hyper-growth start-up that has shipped pixel-perfect mobile apps with beautiful animations. We want someone with a high bar for product quality, technical prowess, and a passion for health tech and wellness. You will conduct code reviews, ensure code quality, and optimize the app performance to enhance the experience of our members.

Requirements

4+ years of shipping high-quality features for native iOS apps
Expertise with Swift
Experience working with various architectures and modularized projects
Mastery of SwiftUI and Combine
BA/BS in Computer Science or equivalent experience

Nice To Haves

Familiarity with Swift's evolution in recent years
Familiarity with CI/CD, codegen/projectgen tools
Experience working at a consumer products company focusing on health and wellness.
Experience working with App Extensions (Apple Watch, Widgets, Siri)