Senior Android Engineer jobs in United States
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Speak · 1 day ago

Senior Android Engineer

positionSan Francisco Bay Area
timeFull-time
remoteOnsite
senioritySenior Level
date5+ years exp

Speak is on a mission to reinvent language learning with an AI-powered tutor. As a Senior Android Engineer, you will be responsible for developing features that enhance user experience, support new market launches, and improve content delivery for millions of users.

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

Responsibilities

Build growth loops -> referrals, in-app shareables, Speak on web
Improve new user acquisition and user retention
Pricing and packaging
Launch new markets and languages
Improving our text to speech system
Improving our audio and video streaming systems

Qualification

KotlinMobile architecturesReactive programmingMobile build practicesGoogle Play BillingCoachingProduct senseProblem-solvingCommunication skillsTeamworkMentoring

Required

5+ years of industry experience working as a Mobile Engineer, preferably in a fast-paced startup environment
Proficiency in Kotlin, 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 Google Play Billing
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 Jetpack Compose
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