iOS Engineer jobs in United States
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Speak · 20 hours ago

iOS Engineer

positionSan Francisco Bay Area
timeFull-time
remoteHybrid
seniorityMid Level
date3+ years exp

Speak is on a mission to reinvent the way people learn languages through AI-powered solutions. As an iOS Engineer, you will improve user experience, support new market launches, and collaborate with cross-functional teams to ship product features to millions of users.

Artificial Intelligence (AI)E-LearningLanguage LearningSpeech Recognition
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H1B Sponsor Likelynote

Responsibilities

Improve “freemium” experience to increase conversions
Support the launching of new markets and new languages
Implement various paywall tests, such as pricing, design changes, delayed paywalls, discounted offers, etc
Improve our speech-to-text system
Improve our audio and video streaming systems

Qualification

SwiftMobile architecturesMobile streaming technologiesReactive programmingApple StoreKitProduct senseProblem-solving skillsCommunication skillsTeamworkMentoring

Required

3+ years of industry experience working as a Mobile Engineer, preferably in a fast-paced startup environment
Proficiency in Swift, with a strong understanding of common mobile architectures including MVC/MVVM
Reactive programming(RX Java, etc)
Knowledgable in mobile build practices(eg jenkins, bitrise)
Knowledgable in Apple StoreKit/RevenueCat
Excellent problem-solving and communication skills, and the ability to work independently or as part of a team
Coach and mentor other engineers
Strong product sense: ability to think broadly/cross-functionally about product experiences

Preferred

worked on an app that has been used by 1M users
Experience in SwiftUI
Experience in mobile streaming technologies (websockets, ll-hls)

Company

Speak

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The language learning app that gets you speaking
dateFounded in 2017
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://www.speak.com

H1B Sponsorship

Speak has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (3)

Funding

Current Stage
Growth Stage
Total Funding
$152M
Key Investors
AccelBuckley VenturesLachy Groom
2024-12-10Series C· $78M
2024-06-21Series B· $20M
2023-07-19Series B· $16M

Leadership Team

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Andrew Hsu
Cofounder & CTO
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Recent News

Android Authority
Can't stick with Duolingo? Speak makes the case for voice-first language lessons
2025-12-11
GlobeNewswire
Digital Language Learning Market Set to Exceed US$ 116.88 Billion by 2033 as Record User Engagement Accelerates the Global Shift Toward Habitual Learning Says Astute Analytica
2025-12-08
Pulse 2.0
Raindrop: $15 Million Closed To Detect Critical AI Agent Failures
2025-12-03
Company data provided by crunchbase