Full-Time

AI Infrastructure Engineer

Updated on 8/23/2026

Spellbrush

Spellbrush

11-50 employees

Develops AI-enhanced anime turn-based strategy games

No salary listed

H1B Sponsorship Available

San Francisco, CA, USA

In Person

On-site collaboration is preferred in San Francisco or Tokyo.

Category
DevOps & Infrastructure (1)
Required Skills
Graphics Processing Unit (GPU)
Kubernetes
Distributed Systems
Git
Machine Learning
Apache Kafka
Redis

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Requirements
  • Experience with large distributed systems.
  • Familiarity with Kubernetes, Kafka, NATS, and Redis.
  • Experience with on-premises and multi-cloud clusters.
  • A deep understanding of the tradeoffs and failure modes of distributed systems.
  • An excellent understanding of GPUs handling large workloads.
  • Experience deploying or optimizing GPU workloads end to end is a strong plus.
  • Comfort working on small, fast-paced teams.
  • Passion for anime, gaming, and generative artificial intelligence.
  • Applicants should provide previous work experience or a resume, GitHub, or portfolio.
Responsibilities
  • Design, implement, and run the next-generation inference architecture for running models across mobile, web, and other platforms and applications.
  • Work alongside the team to develop state-of-the-art image-generation models serving more than 16 million users.
  • Work closely with AI researchers on image-model infrastructure.
Desired Qualifications
  • Experience deploying or optimizing GPU workloads end to end.
  • Resonance with the anime aesthetic.

Spellbrush creates anime-themed video games that fuse strategic, turn-based tactical gameplay with generative AI to assist artists in producing high-quality visuals. The product works by using AI to generate art assets and other content that players experience during gameplay, while developers ensure balanced mechanics and polished visuals in each game. The company distinguishes itself from competitors by combining a strong love for anime and tactical gameplay with AI-powered art generation, which helps produce distinctive, visually appealing games that still emphasize thoughtful strategy. Revenue comes from direct digital game sales, with potential additions such as DLCs, in-game purchases, and collaborations with other studios or tech partners to leverage their AI capabilities. Spellbrush’s goal is to build a dedicated community of anime and strategy game fans by delivering well-crafted, visually striking turn-based tactics games enhanced by AI.

Company Size

11-50

Company Stage

Seed

Total Funding

$130K

Headquarters

San Francisco, California

Founded

2018

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Simplify Jobs

Simplify's Take

What believers are saying

  • Spellbrush posted an active careers page on January 30, 2026, signaling hiring.
  • Its June 2026 website updates show ongoing product and branding maintenance.
  • Google Play still lists Arrowmancer with in-app purchases, proving live consumer distribution.

What critics are saying

  • Spellbrush raised only $2.87M, leaving runway pressure against better-funded AI competitors.
  • Arrowmancer and niji・journey create concentration risk if either product stalls in 2026.
  • No visible layoffs or litigation signal trouble, but tiny funding makes a downturn existential.

What makes Spellbrush unique

  • Spellbrush builds niji・journey and calls itself a leading generative AI studio.
  • Its anime-first focus targets artists and gamers, not generic enterprise AI buyers.
  • The company pairs game development with AI research, keeping both product and technical depth.

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Benefits

Relocation Assistance

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

0%

2 year growth

7%
VentureBeat
Oct 18th, 2023
Midjourney’S First Mobile App Is Here…Sort Of

VentureBeat presents: AI Unleashed - An exclusive executive event for enterprise data leaders. Network and learn with industry peers. Learn More. Bootstrapped startup Midjourney offers a popular text-to-image AI generator from its own foundation model. Since its beta launch in the summer of 2022, it has built a thriving community of users on its official server within the separate messaging app Discord — exceeding 16 million at the time of this article’s publication, including VentureBeat (we use it and other AI art generators to illustrate articles). To this day, more than a year later, Discord remains the primary means by which users can interact with Midjourney — they simply type in a text prompts to the Midjourney Bot in Discord, which in turn, produces quartets of generated images for the user to choose from, download, remix, edit sections of, pan over, or otherwise iterate on