Voitto
Fullstack Developer — Build the Brains Behind the World’s First AI Operating System
VoittoSweden12 hours ago
Full-timeEngineering, Information Technology
🚀 Join Voitto – where the future of work builds itself

Are you the kind of person who spins up a server just to test something for fun? Do you get a kick out of automating away your own tasks, and then automating the automation? At Voitto, we’re building something that’s never been built before: an intelligent operating system for business—the world’s first true AI OS.

Forget building “just another app.” We’re crafting a living system—an layer where specialized AI agents create tools, learn from real use, and orchestrate complex workflows across your business, all while respecting the systems you already use.

We need a fullstack developer who can help us architect and implement this reality.

🧠 About the Role

You’ll be at the heart of our AI system—designing APIs, automating flows, and creating both backend services and frontends that bring our agent-based operating system to life.

You Will

  • Design and build backend systems and APIs that support our AI agents
  • Develop frontends to visualize workflows and help humans interact with the system
  • Automate processes and build internal tools to speed up development
  • Help research and implement creative solutions to technical challenges (we love “deep dives”)
  • Contribute to a living, self-learning product architecture that evolves over time

🧰 You’ll Thrive Here If You

  • Have a strong command of Linux/Unix systems
  • Understand “classic” backend principles (queues, APIs, databases, services, etc.)
  • Are comfortable working across the full stack—from backend logic to the frontend UI
  • Are excited by emerging AI technologies, but grounded enough to know when to build something from scratch
  • Love finding clever solutions to complex problems
  • Enjoy reading into weird corners of the internet to figure out how someone else solved a tricky problem
  • Work well independently but thrive in a smart, collaborative environment

If you’re someone who prefers building real systems over tweaking pixels—and gets excited by the idea of building something fundamentally new —you’ll feel right at home.

🎯 Our Mission

We’re creating the world’s first true AI Operating System—a system that doesn’t just run apps, it creates them. An AI workforce that collaborates, learns, and evolves—integrated deeply into your infrastructure but respectful of your data, workflows, and people.

We’re Building An OS That

  • Generates its own tools and connectors
  • Orchestrates work across agents, humans, and existing software
  • Operates securely and privately within your own infrastructure
  • Starts as an empty canvas and builds itself

💫 What You’ll Get

  • Stockholm office – Join us in our collaborative Stockholm workspace.
  • A passion-driven culture – We’re building something meaningful, and we love doing it
  • A like-minded team – Smart, ambitious, curious, and always down to help each other grow
  • A focus on learning – Regular knowledge sharing, pair programming, and a culture of continuous growth
  • The chance to help shape a fundamental shift in how humans and machines work together

🛠 Tech stack?

We won’t bore you with a long list of buzzwords. If you know your way around modern web and backend development, are comfortable in a terminal, and like building things that are useful, you’re probably a good fit. We’re not religious about specific frameworks—we pick what makes sense.

✨ How to Apply

We’re not looking for a perfect resume. Just show us what you’ve built.

  • Share your GitHub, side projects, code samples, or even a clever shell script you’re proud of.
  • Tell us why this mission speaks to you.
  • Bonus points if you’ve ever said: “There must be a better way to do this,” and then built it.

Let’s build something the world hasn’t seen before.

Voitto — The First True AI Operating System.

No recruiters, no fluff. Just a team of passionate humans building the future.

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