Senior Full Stack AI Developer for Viral Content SaaS (Next.js, Supabase, Langchain, OpenAI)

---

---

We're building the world's first multiplayer AI platform — and it's changing the game for content creators, marketers and founders. We move fast, iterate aggressively and aim high — building an elite team of remote freelancers who want to be part of something revolutionary. What You'll Be Doing: Build new product features that make AI content creation collaborative and lightning fast Optimize and refactor our existing codebase for performance, maintainability, and scale Work across the stack (React / Next.js / Supabase / Firebase / Langchain / AI APIs) Integrate LLMs (OpenAI, Claude, Gemini, etc.) with real-time collaboration features Debug, fix, and pre-empt user issues before they happen Work closely with founders and users to understand pain points and test solutions fast Contribute to architecture and dev strategy as we grow our platform Our Tech Stack: Frontend: Next.js 14+, React 19, TypeScript Backend: Firebase, Supabase, Serverless functions AI/ML: OpenAI, Claude, Gemini, Langchain, custom prompt pipelines Collaboration: WebRTC, CRDTs, real-time sync tools DevOps: Docker, Cloudflare, AWS Tooling: Vercel, GitHub, PostHog, Sentry Must-Have Experience: 3+ years in full stack development (TypeScript, React, Next.js, APIs) Strong background integrating AI/LLMs and vector databases Hands-on experience with Supabase, Langchain, and Firebase Real-time collaboration or multiplayer app experience is a big plus Ability to show your work: live demos, GitHub repos, deployed projects Bonus Points If You: Have built and scaled SaaS products that people actually use Are used to working in fast-paced environments with rapid iteration cycles Can operate with minimal oversight, delivering clean and maintainable code Understand video/audio processing and AI-based content generation Thrive in an elite, ambitious team environment and love shipping fast Why Join Us? Work on a VC-backed, hyper-growth product with real users and revenue Long-term freelance opportunity with potential full-time conversion Direct access to founders and technical leadership High standards, fast iteration, and ambitious culture Remote-first team, async-friendly We’re not an agency — you’re joining the core product team We’re building something that hasn't existed before — and we want builders, not just coders. If that sounds like you, apply now and let’s build the future of AI collaboration together.

Keyword: Video Creation

Price: $40.0

Next.js TypeScript OpenAI API LangChain React Firebase Supabase Claude WebRTC