Front-End Developer (Mid-Level)

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📍 United States
📅 Posted 2026-08-21 · via Himalayas
🏷 Frontend-Development,Frontend-Engineer,Web-Development,React-Developer,Next.Js-Developer,Mid-Level-Frontend-Engineer-(React),Remote-Mid-Level-Frontend-Developer-(React),Front-End-Developer
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Front-End Developer (Mid-Level)

📍 Location: Europe (Work remote)
🕒 Type: Full-Time

💼 Seniority Level: Mid-Level
🎯 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.
GraphQL Integration & Subscriptions:

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Develop and optimize front-end interfaces leveraging GraphQL queries, mutations, and subscriptions for real-time data fetching and updates.

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Design robust caching strategies and state synchronization using local storage and state management tools like XState or Zustand.

AI & GenAI Integrations:

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Integrate advanced AI functionalities into applications using Vercel AI SDK and other modern LLM tools.

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Develop intuitive, chat-driven, and creative AI-powered user experiences.

Real-time & Next.js Development:

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Implement performant, real-time interactions using Next.js, ensuring rapid response times and smooth user experiences.

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Employ real-time data handling techniques and local caching for improved performance.

Media & Video Optimization:

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Enhance browser-level media and video performance, efficiently managing media metadata, and ensuring seamless playback.

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Contribute to or develop web-based video editing tools, utilizing frameworks like Remotion.

Monorepo Collaboration:
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Operate effectively within a monorepo environment, managing shared packages and cross-team collaboration.

Firebase Integration:
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Maintain and occasionally optimize existing Firebase services, such as Firestore, Authentication, and Cloud Functions.

🧠 What We’re Looking For

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Proficiency with modern JavaScript/TypeScript, React, Next.js, and GraphQL.

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Experience implementing GraphQL subscriptions and local storage strategies for optimized performance.

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Familiarity with integrating advanced AI SDKs, such as Vercel AI SDK, into front-end applications.

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Strong capability in video performance optimization and media handling.

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Ability to write clean, maintainable, and modular code.

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Excellent collaboration skills with a proactive, solution-oriented approach.

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Passion for innovative products blending creativity with cutting-edge AI technologies.

🌟 Why Join Us

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Help invent the future of creative storytelling and interactive video.

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

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Build a meaningful product that delights and inspires kids.

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

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

🧠 What We’re Looking For

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Proficiency with modern JavaScript/TypeScript, React, Next.js, and GraphQL.

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Experience implementing GraphQL subscriptions and local storage strategies for optimized performance.

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Familiarity with integrating advanced AI SDKs, such as Vercel AI SDK, into front-end applications.

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Strong capability in video performance optimization and media handling.

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Ability to write clean, maintainable, and modular code.

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Excellent collaboration skills with a proactive, solution-oriented approach.

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Passion for innovative products blending creativity with cutting-edge AI technologies.

🚀 About Mini Studio AI

Mini 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

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