Android Developer
SanasUnited States17 hours ago
Full-timeEngineering, Information Technology
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Sanas.ai is pioneering the future of human communication. Founded by a team of Stanford researchers and entrepreneurs with deep industry experience, Sanas has developed the world’s first real-time speech transformation platform capable of accent translation, noise elimination, speech enhancement, and cross-language communication.
Sanas makes conversations clearer, more inclusive, and more effective, removing barriers that prevent people from being understood, regardless of accent, background noise, or native language.
Since going to market in 2023, Sanas has scaled at an extraordinary pace, growing from $0 to $32M ARR in under two years, with a projected >$50M ARR by the end of 2025. The company recently recorded its first $10M quarter and is on track to achieve $120M in ARR next year. With a SaaS-based model, Sanas serves some of the world’s largest enterprises, including Comcast, UPS, UHG. Today, Sanas technology is deployed across >17 of the Fortune 500 and continuing to accelerate growth.
The company’s valuation has a clear trajectory toward multi-billion-dollar market capitalization as it continues to expand into new verticals and product categories. With a TAM that spans all human in the loop communications and beyond, Sanas has the potential to impact every industry and every global interaction.
Sanas is revolutionizing the way we communicate with the world’s first real-time algorithm, designed to modulate accents, eliminate background noises, and magnify speech clarity. Pioneered by seasoned startup founders with a proven track record of creating and steering multiple unicorn companies, our groundbreaking GDP-shifting technology sets a gold standard.
Sanas is a 200-strong team, established in 2020. In this short span, we’ve successfully secured over $100 million in funding. Our innovation has been supported by the industry’s leading investors, including Insight Partners, Google Ventures, Quadrille Capital, General Catalyst, Quiet Capital, and other influential investors. Our reputation is further solidified by collaborations with numerous Fortune 100 companies. With Sanas, you’re not just adopting a product; you’re investing in the future of communication.
About The Role
We’re looking for a hands-on Senior Android App Developer to lead development of our Androidc application that delivers near real-time, voice-to-voice translation. You’ll own core client features—from FaceTime-like calling and live captioning to buttery-smooth UI animations—and collaborate closely with our iOS developer, designer, and product team members to ship a high-quality, low-latency experience. Experience with Kotlin and working independently on an Android project from scratch is required. AV/WebRTC experience is a plus.
What You'll Do
Sanas makes conversations clearer, more inclusive, and more effective, removing barriers that prevent people from being understood, regardless of accent, background noise, or native language.
Since going to market in 2023, Sanas has scaled at an extraordinary pace, growing from $0 to $32M ARR in under two years, with a projected >$50M ARR by the end of 2025. The company recently recorded its first $10M quarter and is on track to achieve $120M in ARR next year. With a SaaS-based model, Sanas serves some of the world’s largest enterprises, including Comcast, UPS, UHG. Today, Sanas technology is deployed across >17 of the Fortune 500 and continuing to accelerate growth.
The company’s valuation has a clear trajectory toward multi-billion-dollar market capitalization as it continues to expand into new verticals and product categories. With a TAM that spans all human in the loop communications and beyond, Sanas has the potential to impact every industry and every global interaction.
Sanas is revolutionizing the way we communicate with the world’s first real-time algorithm, designed to modulate accents, eliminate background noises, and magnify speech clarity. Pioneered by seasoned startup founders with a proven track record of creating and steering multiple unicorn companies, our groundbreaking GDP-shifting technology sets a gold standard.
Sanas is a 200-strong team, established in 2020. In this short span, we’ve successfully secured over $100 million in funding. Our innovation has been supported by the industry’s leading investors, including Insight Partners, Google Ventures, Quadrille Capital, General Catalyst, Quiet Capital, and other influential investors. Our reputation is further solidified by collaborations with numerous Fortune 100 companies. With Sanas, you’re not just adopting a product; you’re investing in the future of communication.
About The Role
We’re looking for a hands-on Senior Android App Developer to lead development of our Androidc application that delivers near real-time, voice-to-voice translation. You’ll own core client features—from FaceTime-like calling and live captioning to buttery-smooth UI animations—and collaborate closely with our iOS developer, designer, and product team members to ship a high-quality, low-latency experience. Experience with Kotlin and working independently on an Android project from scratch is required. AV/WebRTC experience is a plus.
What You'll Do
- Build major app features in Android
- Auth
- Audio/video calling
- Onboarding flow
- Growth features
- Consecutive translation
- Conversation translation
- Real-time media & low latency
- Integrate with our real-time translation backend and media pipelines
- Work with WebRTC, handle audio routing, interruptions, and seamless crossfades from original to translated audio
- Performance, reliability, and quality
- Optimize connection time, frame budget, memory, and jank
- Instrument crash/error reporting; build resilience for poor networks and Backgrounding
- Instrumentation & growth
- Add analytics, deep-links, and attribution (e.g., PostHog, Branch or equivalents).
- Support A/B experiments, notifications, and “call non-users” funnels.
- Platform collaboration
- Port iOS modules in Swift to Kotlin with maintainability consideration in mind
- Partner with backend team on streaming APIs, caption timing, and voice Pipelines.
- Security, accessibility, and internationalization
- Implement privacy-first features, localization/i18n, and accessible UI.
- 5+ years building and shipping consumer-grade mobile apps; 3+ years with Android
- Demonstrated ownership of a major app or feature used by real customers (Play Store)
- Strong UI/UX instincts with animation
- Experience integrating real-time or streaming features (sockets, WebRTC)
- Comfortable porting iOS to Android
- Fluency with mobile CI/CD, OTA updates, crash reporting, and performance tooling
- Excellent product judgment, collaboration, and communication; thrive in fast- paced, in-person startup environment
- Start-to-finish launch experience for a high-quality mobile app
- WebRTC
- Android FCM
- Android media
- Live captions, speech recognition, local VAD
- Analytics/attribution (PostHog, Branch or alternatives), deep linking, and
- growth experiments
- Localization/i18n, accessibility, and app security best practices
Key Skills
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