Jobs at Character.AI

Lead go-to-market strategies for product launches, manage app store optimization, write in-product monetization copy, and collaborate cross-functionally to drive user engagement and conversion.

Design, develop, and maintain backend systems. Implement APIs, optimize performance, and collaborate with teams to deliver efficient solutions.

The role involves designing and developing backend systems and applied machine learning solutions for integrity and safety challenges in AI interactions. Responsibilities include leading technical solutions, collaborating with cross-functional teams, and mentoring engineers while establishing best practices in software engineering and machine learning.

As a Research Engineer, you'll fine-tune AI models, optimize performance, develop algorithms, and process data to enhance conversational AI experiences.

The role involves supporting ML infrastructure, building diagnostic tools, managing deployments, and optimizing GPU utilization for ML projects.

The Staff Data Scientist will drive data-informed monetization strategies across subscriptions, advertising, and virtual currencies, collaborating with product and engineering teams and defining success metrics.

As a Software Engineer for monetization, you will optimize user-facing features for payments and subscriptions, collaborate on UI/UX, and analyze monetization metrics. A strong background in consumer products and modern front-end technologies is required.

Develop user-friendly interfaces, collaborate with design for optimal user experience, and maintain design consistency within the team.

As a Research Engineer, you will lead video model training, design multimodal generation architectures, and create data pipelines for AI visuals.

As a Research Engineer, you will tackle AI safety challenges, develop evaluation methodologies, conduct adversarial testing, and work on model alignment and interpretability. You'll bridge theoretical and practical applications of AI safety research and collaborate with product teams to implement safety solutions.

The Staff Software Engineer will support research through tool and dataset development, enhance data pipelines, and manage data infrastructure while collaborating with ML researchers.

As an Applied ML Software Engineer, you will design and implement ML models, manage cloud infrastructure, and optimize backend systems for AI-driven content discovery and recommendations.

As a Product Manager, you will own core user experiences for Character.AI, emphasizing emotional engagement and product quality, while leading cross-functional teams in innovative product development.

The Product Manager for Activation & Growth will enhance user onboarding, retention, and monetization through data-driven experiments and design improvements, contributing to Character.AI's growth strategy.

Lead AI infrastructure initiatives, drive cross-functional team alignment, manage infrastructure metrics, and improve developer efficiency while ensuring scalability.