Job Description

Mini Studio AI is an early-stage a16z funded startup pioneering the future of animation. We’re building a magical storytelling engine powered by generative AI to create deeply personalized, emotionally resonant animated content for kids — think Pixar meets GPT. From personalized cartoons and social-emotional learning stories to interactive kids’ content, we're redefining what animation can be.

We're a small, fast-moving team of creatives and technologists with a big mission: to make every child feel seen, understood, and inspired. Backed by a16z and other top investors, we’re growing fast and looking for ambitious collaborators to help us build the next chapter of storytelling.

Job Description

What You’ll Do

As our Front-End Developer, you’ll play a central role in building and optimizing our GenAI-powered video editing platform. You’ll work in a modern monorepo setup, integrating real-time features, browser-level video optimization, and cutting-edge AI interfaces to deliver magical user experiences.

Key Responsibilities

• Firebase Specialist: Build scalable and performant services using Firestore, Authentication, Cloud Functions, and Firebase PubSub. Optimize queries and manage hotspot issues.
  

• Media & Video Optimization: Improve browser-level video performance, handle media metadata efficiently, and ensure seamless video playback.
  

• Remotion / Video Editor Experience: Work on or contribute to web-based video editors using tools like Remotion or equivalent.
  

• State Management & Data Integration: Manage complex app state with XState or Zustand, and use GraphQL for structured, high-performance data communication.
  

• AI & GenAI Integrations: Build interfaces powered by Vercel AI SDK and other LLM tools, including chat-based experiences and creative automation.
  

• Monorepo Collaboration: Work confidently in a monorepo environment, managing dependencies across shared packages and collaborating across teams.
  

• Real-time & Local Performance: Implement strategies for real-time interactions and local caching to boost responsiveness and efficiency.
  

What We’re Looking For

• Strong background in modern JavaScript/TypeScript, React, and media-centric front-end development.
  

• Solid understanding of Firebase internals and real-world architecture.
  

• Experience optimizing for video performance and media asset handling.
  

• Ability to write modular, testable, maintainable code with a clear structure.
  

• Strong collaboration skills and a proactive, problem-solving mindset.
  

• Enthusiasm for working on ambitious, experimental products at the intersection of creativity and AI.
  

Why Join Us

• Help invent the future of creative storytelling and interactive video.
  

• Collaborate in a nimble, mission-driven team backed by a16z.
  

• Build a meaningful product that delights and inspires kids.
  

• Take ownership in a startup where your work will directly shape the product.
  

• Equity, early-stage upside, and creative input from day one.

Qualifications

Required

Qualifications

• Proficiency in HTML, CSS, and JavaScript
• Experience with Responsive Design
• Proficient in front-end frameworks like React or Angular
• Strong problem-solving abilities
• Attention to detail
• Solid understanding of web performance optimization techniques
• Effective collaboration skills with other team members

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