Media Software Engineer, Speech (All Levels)

Remote, USA
Posted Jun 12, 2026
Full-time

Cantina Labs is a social AI company developing advanced real-time models for enhanced storytelling and interaction. The role involves extending and improving the audio and video infrastructure for real-time interactions within the Cantina app.

Responsibilities

  • Enhance and extend the real-time Cantina media platform
  • Enable new ways for users to interact with their friends and AI bots through voice and video by implementing new features and capabilities
  • Improve and build on the custom, WebRTC-based frameworks we use to provide media services for iOS, Android, and web clients
  • Collect and analyze metrics relating to system performance and user behavior
  • Participate in detailed and constructive design and code reviews
  • Collaborate with other members of the team to deliver new features and enhancements on a regular basis
  • Work with application development teams to define APIs they can use to integrate with the media stack

Skills

  • BS or MS in Computer Science, Computer Engineering, or a related field; or equivalent experience
  • Excellent communications skills
  • Experience with C or C++
  • Strong computer science fundamentals, including familiarity with data structures and concurrent / multithreaded programming
  • Exposure to system programming concepts, including network protocols; memory management; and distributed systems fundamentals
  • Object-oriented programming and design skills
  • Interest in solving challenging, subtle engineering problems
  • Previous experience with WebRTC, streaming protocols, or other media-related technologies
  • Familiarity with audio or video processing techniques and algorithms
  • Experience creating backend server infrastructure
  • Experience developing software for iOS and Android
  • Familiarity with building services using Node.js
  • Familiarity with artificial intelligence and machine learning techniques, particularly in relation to speech recognition and synthesis

Benefits

  • Competitive salary and generous company equity
  • Medical, dental, and vision insurance – 99.99% of premiums covered by Cantina
  • 42 days of paid time off, including:
  • 15 PTO days
  • 10 sick days
  • 15 company holidays
  • 2 floating holidays
  • Generous parental leave & fertility support
  • 401(k) retirement savings plan
  • Lifestyle spending account – $500/month to use however you’d like
  • Complimentary lunch and snacks for in-office employees
  • One Medical membership, and more!

Company Overview

  • Cantina Labs is a social AI company, developing a suite of advanced real-time models that push the boundaries of expression, personality, and realism. It was founded in 2023, and is headquartered in Brooklyn, New York, USA, with a workforce of 51-200 employees. Its website is https://www.cantina.com/.

  • Company H1B Sponsorship

  • Cantina Labs has a track record of offering H1B sponsorships, with 9 in 2025, 3 in 2024, 1 in 2023. Please note that this does not guarantee sponsorship for this specific role.

  • More Remote Jobs