3 hours ago
San Francisco, CA, USA or Sunnyvale, CA, USASenior / Staff+
H1B Sponsor
Base Salary
$180k - $270k/yr
Responsibilities
- Improve the real-time speech and media systems powering live AI conversations
- Reduce latency and optimize responsiveness across audio streaming and speech pipelines
- Build tools that enable the creation of AI models for speech processing
- Develop voice and video capabilities for more immersive interactions between users and AI bots
- Improve and extend custom WebRTC infrastructure across iOS, Android, and web
Requirements
- BS or MS in Computer Science, Computer Engineering, or a related field, or equivalent experience
- At least 3 years of software engineering experience
- Excellent communication skills and the ability to independently drive projects from requirements to completion
- Professional experience with C or C++
- Knowledge of memory management, high-performance data structures, and concurrent or multithreaded systems
- Exposure to system programming, network protocol design, asynchronous I/O, and distributed system architectures
- Object-oriented development and design skills
- Experience with WebRTC, streaming protocols, or other media technologies is preferred
- Familiarity with media processing techniques is preferred
- Experience creating backend server infrastructure is preferred
- Experience developing software for iOS or Android is preferred
- Familiarity with services built using Node.js or Go is preferred
- Familiarity with AI and machine learning techniques related to speech recognition and synthesis is preferred
Benefits
- Competitive salary and generous company equity
- Medical, dental, and vision insurance with 99.99% of premiums covered by Cantina
- 42 days of paid time off, including PTO, sick days, company holidays, and floating holidays
- Generous parental leave and fertility support
- 401(k) retirement savings plan
- $500 monthly lifestyle spending account
- Complimentary lunch and snacks for in-office employees
- One Medical membership
About Cantina
Cantina Labs is a social AI company, developing a suite of advanced real-time models that push the boundaries of expression, personality, and realism. We bring characters to life, transforming how people tell stories, connect, and create. We build and power ecosystems. Cantina, our flagship social AI platform, is just the beginning.