Front-End Developer Mid-Level - Jobs for Humanity

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:

Develop 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 Integrations:

Integrate 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 Development:

Implement 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 Optimization:

Enhance 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 Collaboration:

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

Firebase Integration:

Maintain and occasionally optimize existing Firebase services, such as Firestore, Authentication, and Cloud Functions. 🧠 What We’re Looking For

Proficiency 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.

🌟 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.