Remote Jobs at Spellbrush

The ideal candidate has experience with large distributed systems, familiarity with technologies like K8S, Kafka, NATS, and Redis, and experience with both on-prem and multi-cloud clusters. A deep understanding of system tradeoffs and failure modes is essential, along with excellent knowledge of GPU handling for large workloads and experience deploying or optimizing them. A passion for the anime aesthetic is also a plus.

- Strong C# and Unity skills with 5+ years of programming experience - High level of familiarity with Unity, including having shipped at least one game with Unity (personal projects acceptable) - Deep understanding of the "happy path" in modern Unity development - Passion for Strategy RPGs (e.g., Fire Emblem, Final Fantasy Tactics, X-Com) - Appreciation for anime aesthetic - Comfortable working on small, fast-paced, multidisciplinary teams with high ownership and flexibility - Excitement about t…

- Love anime and the anime aesthetic - Expertise in anime combined with deep learning for state-of-the-art anime models - Understand diffusion models or ability to get up to speed quickly - Experience as an AI researcher comfortable experimenting and designing massive models - Proficient in PyTorch (and possibly JAX) - Enjoy tight loop between research and production - Comfortable working on small, fast-paced teams - Preference for on-site collaboration in Tokyo (Akihabara) or San Francisco (vis…

Candidates should have experience building complex single-page applications, preferably with React and TypeScript. A passion for anime and the anime aesthetic is ideal, along with experience in designing tasteful UI, layout, and microinteractions. Familiarity with canvas, WebGL, and potentially WebGPU is recommended, and the ability to work effectively on small, fast-paced teams is essential. The role prefers on-site collaboration in Tokyo or San Francisco, with visa sponsorships available.

- Deep passion for tactics games - Ability to stay self-motivated to make tactics missions for a long time - Proven ability to make fun game content (show what you have made) - Some programming skill, preferably with C#/Unity (enough to contribute on level design tooling and content scripts) - Comfortable in a fast-paced, high-ownership startup environment - Shipped a game start to finish before

Candidates must have at least 3 years of experience as a generalist software engineer with a wide skillset. Experience with distributed systems, administering big data toolsets like Ray, Spark, or Airflow, and shipping scalable cloud data solutions (AWS, GCP, Azure) is required. Proficiency in multiple data stores (Snowflake, Redshift, Hive, SQL/NoSQL) and scripting languages such as Typescript, Python, or Bash is necessary. Experience building large-scale big data pipelines, particularly for AI…

- 日本語：ビジネスレベル以上 - 英語：ビジネスレベル - アニメ・ゲーム・二次元文化への理解や親和性がある - 少人数チームで幅広く動くことやスピード感のある環境を楽しめる

- Independently developed 3D narrative / puzzle games in Unity (bonus if first-person and publicly available) - Good at 3D character animation (bonus if used mocap and understand mocap workflow at a studio; bonus for assets on Unity store) - Excited about the potential of Generative AI (experience with LLMs is a plus) - Love anime and the anime aesthetic - Comfortable working on small, fast-paced teams (prefer on-site collaboration in Tokyo or San Francisco; visa sponsorship available)

- Hands-on experience in training text-to-motion or audio-to-motion models - Previous publications on the topic or experience working at an industrial lab on this and related topics - Familiarity with systems like the Grok AI companion and ability to develop audio-synced motion-generation systems - Experience in facial motion generation, particularly speech-driven 3D facial animation - Experience in real-time 3D motion generation - Passion for anime and the anime aesthetic - Comfortable working …

Candidates should have published or industry experience with LLM post-training, demonstrating a deep understanding of LLM training and evaluation with attention to detail. Experience with roleplay-focused post-training work, latency optimization, gathering human feedback through systems like RLHF, and LLM infrastructure development including data processing, sharding, and memory saving techniques are highly desirable. A passion for anime and the anime aesthetic is preferred, along with comfort w…