Front-End Developer (Mid-Level)

Front-End Developer (Mid-Level)Full-time Company: mini studio aiCompany DescriptionAbout Mini Studio AIMini Studio AI is an early-stage 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 DescriptionFront-End Developer (Mid-Level) Location: Europe (Work remote) Type: Full-Time Seniority Level: Mid-LevelWhat You'll DoAs 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.GraphQL Integration & SubscriptionsDevelop and optimize front-end interfaces leveraging GraphQL queries, mutations, and subscriptions for real-time data fetching and updates.Design robust caching strategies and state synchronization using local storage and state management tools like XState or Zustand.AI & GenAI IntegrationsIntegrate advanced AI functionalities into applications using Vercel AI SDK and other modern LLM tools.Develop intuitive, chat-driven, and creative AI-powered user experiences.Real-time & Next.js DevelopmentImplement performant, real-time interactions using Next.js, ensuring rapid response times and smooth user experiences.Employ real-time data handling techniques and local caching for improved performance.Media & Video OptimizationEnhance browser-level media and video performance, efficiently managing media metadata, and ensuring seamless playback.Contribute to or develop web-based video editing tools, utilizing frameworks like Remotion.Monorepo CollaborationOperate effectively within a monorepo environment, managing shared packages and cross-team collaboration.Firebase IntegrationMaintain and occasionally optimize existing Firebase services, such as Firestore, Authentication, and Cloud Functions.QualificationsProficiency with modern JavaScript/TypeScript, React, Next.js, and GraphQL.Experience implementing GraphQL subscriptions and local storage strategies for optimized performance.Familiarity with integrating advanced AI SDKs, such as Vercel AI SDK, into front-end applications.Strong capability in video performance optimization and media handling.Ability to write clean, maintainable, and modular code.Excellent collaboration skills with a proactive, solution-oriented approach.Passion for innovative products blending creativity with cutting-edge AI technologies.