Software/ML Engineer to build and optimize applied ML models and infrastructure for Character.AI's consumer-facing discovery surfaces (recommendation, ranking, search), including data pipelines, model training, and serving. Focus on shipping intelligent features end-to-end.

Software Engineer focused on the Safety Engineering team at Character.AI. This role involves designing and building front-end experiences and tooling for Trust & Safety systems, ensuring safe user interactions with AI. Responsibilities include collaborating with product, design, and Trust & Safety operations, developing AI-assisted moderation tools, and leveraging user data to improve LLMs and AI models. The role emphasizes user experience, platform reliability, and cross-functional collaboration to define industry best practices in human-to-AI interaction.