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Arc Exclusive
Arc Exclusive

Senior Full Stack Developer - FT - WW

Location

Remote anywhere

Hourly rate

Hourly rate

Min. experience

5+ years

Hours per week

40 hours

Duration

24 weeks

Required skills

Next.jsNode.jsTypeScript

Freelance job
Posted 12 hours ago
Apply now
Actively recruiting / 20 applicants

We’re here to help you

Cynthia is in direct contact with the company and can answer any questions you may have. Email

CynthiaCynthia, Recruiter

About the Company

We’re building an AI-native collaboration and automation platform — think ChatGPT meets Notion, Slack, and n8n — where teams work seamlessly alongside their own AI employee. This isn’t just another chatbot. Our platform enables AI agents to truly collaborate, communicate, and take action across the same tools humans use — Notion, Slack, Jira, Google Workspace, and more.

At its core, the system combines AI-native collaboration with a powerful integration framework (MCP-style) that lets agents connect, reason, and act across an entire company’s ecosystem. Our founding team has a proven track record of building and scaling AI-powered products from concept to revenue — and now we’re applying that speed, discipline, and depth to something much bigger: the foundation for the AI employee era.

About the Role

We’re looking for a Senior Full-Stack Engineer to help architect and scale the infrastructure that powers our AI employee platform. You’ll design the systems that enable AI agents to connect with third-party apps, orchestrate workflows, and collaborate in real time with human users.

This role is ideal for someone who thrives at the intersection of AI, automation, and systems integration — and wants to define how software agents work in real-world production environments.

What You’ll Do

  • Architect and build real-time collaborative interfaces using Next.js, React, and Supabase/Liveblocks-like systems
  • Design and implement a modular integration framework (inspired by MCP, Zapier, and n8n) for connecting APIs, actions, and data pipelines
  • Integrate LLM-powered agents (OpenAI, Anthropic, etc.) so they can understand context, perform actions, and collaborate with users inside the workspace
  • Build and maintain Node.js microservices (Dockerized) for orchestration, task routing, and secure external integrations
  • Collaborate with product and AI teams to define human-AI collaboration interfaces
  • Establish best practices for API design, versioning, security, and integration extensibility

Required Skills

  • 5+ years in modern full-stack development (TypeScript preferred)
  • Deep expertise in Next.js, React, and Node.js
  • Proven experience with large-scale integrations (OAuth, REST APIs, webhooks, SDKs)
  • Strong understanding of real-time systems (WebSockets, Supabase Realtime, or similar)
  • Familiarity with AI or automation systems (OpenAI APIs, LangChain, or orchestration frameworks)
  • Proficiency in Docker, microservice architectures, and cloud deployment
  • A strong product mindset — you care as much about experience as scalability
  • Demonstrated track record of building and shipping standout products or systems

Nice to Have Skills

  • Experience designing integration frameworks or developer platforms (Zapier, n8n, or internal API ecosystems)
  • Knowledge of MCP (Model Context Protocol) or similar AI integration standards
  • Familiarity with Supabase, Postgres, or Edge Functions
  • Prior experience with multiplayer collaboration tools or AI-native products
  • Comfort with event-driven architectures, RAG pipelines, or AI orchestration frameworks

Additional Information

  • Work with a small, ambitious founding team at the forefront of AI collaboration
  • Build the infrastructure defining how humans and AI will work together
  • Shape the foundation for the AI employee era — not just another chatbot, but a real collaborator

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