San Francisco, CA
Social AI platform for creating interactive characters
Cantina Labs builds a social AI platform where users create, share, and interact with lifelike AI characters via text, voice, and video. It enables creators to produce viral content like AI bots that perform and engage in real-time conversations. The platform powers advanced real-time models pushing boundaries in expression, personality, and realism for storytelling and social connection.
Build and scale inference infrastructure for generative audio models including TTS, voice conversion, and ASR. Design high-performance, low-latency serving systems using Kubernetes, CI/CD, and GPU optimization to bridge research and production.
Lead company-wide brand refresh and ongoing strategy for social AI platform Cantina. Own messaging, visual identity, advertising campaigns, and creative production while managing in-house team and agencies. Requires 8+ years brand marketing experience at consumer brands.
Senior Creative Strategist responsible for producing, directing, and optimizing scaled performance creative (traditional + AI-generated) across Meta, TikTok, YouTube and other channels to drive downloads and engagement for Cantina's social AI platform. Requires 5+ years in performance marketing creative direction, strong data fluency, and experience building testing frameworks and managing agencies.
Staff Backend Engineer building and scaling AI-powered systems for user acquisition, onboarding, engagement, and retention on a fast-growing social AI platform. Requires 5-10 years experience with Golang, Node.js, AWS cloud services, microservices, and growth-focused projects.
Own roadmap, prioritization, and execution for Cantina’s web video editing product. Partner with engineering, design, and data teams to deliver an AI-first creator experience.
Own day-to-day relationships with signed creators on Cantina's social AI platform. Build and iterate bots/characters, lead creative campaigns, manage deliverables, and track performance KPIs while advocating for creators internally.
Senior/Staff Kotlin Multiplatform Engineer building shared KMP modules, Compose Multiplatform UIs, and platform interop layers across Android, iOS, and web targets. Requires 8+ years Kotlin expertise and production KMP/CMP shipping experience.
Designs evaluation pipelines, metrics, and user studies for speech generation and recognition models (ASR/TTS). Trains evaluation models, builds dashboards, and collaborates with ML, data, and product teams to improve performance on large-scale systems.
Builds and scales data pipelines for video generation models, including ingestion, annotation via MTurk/Prolific, preprocessing, and curation using Python, AWS, Kubernetes. Requires 3+ years in ML/data engineering, PyTorch experience, and cross-functional collaboration.
Designs, fine-tunes, and deploys image generation models for photorealistic AI bots, optimizing for consistency, latency, and quality. Requires 5+ years software engineering, 2+ years production ML, and expertise in diffusion models like Stable Diffusion and PyTorch.
Designs and optimizes prompts for social AI characters to ensure realistic personality, emotion, and behavior across text, voice, image, and video. Collaborates with product, design, and engineering on scalable systems; requires 3+ years LLM experience and Python familiarity.
Owns video product experience on AI social platform, from creation/editing tools to publishing workflows. Collaborates with eng/design/data/execs to ship features, gathers creator feedback, and drives strategy for intuitive AI-driven video tools. Requires 7+ years PM exp with video platforms.
Senior iOS Engineer leading development of AI-driven features like personalized feeds, real-time media effects, and custom UIs for a social AI platform. Requires 8+ years experience with Swift, UIKit, graphics/animation, and API integrations.