Jobs at Spellbrush

Spellbrush is seeking a Senior HPC/ML Infrastructure Engineer to manage the world's largest anime AI training cluster. This role involves bridging researchers with GPU hardware, ensuring job execution, filesystem performance, network stability, and model training. The ideal candidate will have experience with modern HPC software stacks and traditional sysadmin skills, and be comfortable working in a fast-paced, on-site team environment.

This role is for an AI Anime Researcher focused on motion generation models. The researcher will contribute to defining a new kind of video game experience by working with AI and narrative-driven game development.

Spellbrush is seeking a Front-End Engineer to build next-generation anime and video game tools. The role involves designing and developing complex, interaction-heavy single-page applications using React and TypeScript, with a focus on responsive and delightful user interfaces. Experience with canvas, WebGL, and WebGPU is recommended.

AI Infrastructure Engineer at Spellbrush, a generative AI studio. This role involves designing, implementing, and running next-generation inference architecture for AI models across mobile and web platforms. The engineer will work with large distributed systems and GPU workloads.

3D Game Programmer (Unity) at Spellbrush. This role involves developing a 3D first-person adventure game with an AI companion integrated into gameplay. The candidate will work on growing a prototype into a full game using Unity.

Senior Unity Engineer at Spellbrush working on an anime mobile tactics game. Requires 5+ years of programming experience, a shipped Unity game, and strong C# skills. The role involves taking features from concept to polished implementation within a small, fast-paced team, with potential exposure to generative AI research.

AI Researcher at Spellbrush focused on anime and diffusion models. The role involves designing and developing large-scale diffusion models primarily for images, with secondary focus on 3D, text, video, and audio. Requires proficiency in PyTorch and potentially JAX, with a preference for on-site collaboration in Tokyo or San Francisco.

Generalist Software Engineer at Spellbrush, a generative AI studio focused on anime games. This role involves building advanced data pipelines, foundational datasets, and supporting infrastructure for large-scale AI research and game development. The engineer will define processes, design and monitor pipelines, and collaborate with AI researchers.

This is a mid-level Level Designer role at Spellbrush. The designer will use Unity and in-house tools to create tactics missions, design enemies, terrain, and objectives, and playtest their work. They will also collaborate with other team members and contribute to tooling improvements.

This role is for an AI Anime Researcher focused on LLMs. The individual will contribute to defining a new kind of video game experience by integrating AI companions into gameplay, going beyond simple chatbot functionalities.