Demo Engineer - Venture Business

About Improbable

At Improbable, we build and scale ambitious ventures that shape the future of digital experiences. Our ventures bring together the worlds of sports, media, entertainment, and web3.

We are now supporting an independent organisation building the foundations for the next generation of the internet. Their mission is to create open, decentralised technology that empowers developers, creators, and communities to build new kinds of immersive online experiences.

Their first major initiative is a next-generation blockchain designed for real-time, large-scale applications. Unlike traditional blockchains limited by speed and cost, our technology is fast, affordable, and fully EVM-compatible—capable of powering the kinds of social, gaming, and metaverse experiences that normally only run on Web2 infrastructure.

Ultimately, their aim is to unlock a true virtual society: a world where users and businesses can seamlessly move between platforms, with freedom and ownership at the core.

About the Role

We’re hiring a Demo Engineer to turn bold ideas into tangible demonstrations showcasing what's possible for developers to build.

This is a hands-on builder role for someone who loves shipping fast. You’ll take concepts across DeFi, trading systems, and agentic workflows, then turn them into live demos, prototypes, and technical content that make developers want to build immediately.

You’ll build fast, think independently, creating demos that make complex technology feel real, useful, and exciting. If you use AI tools to accelerate thinking, building, and output, this role is for you.

What you'll be doing

• Build demo dApps that showcase speed, cost, and execution (e.g., real-time trading interfaces, onchain games, agent-powered apps).
• Create trading bot demos that showcase execution quality, onchain order books, and agentic workflows.
• Prototype agentic applications such as autonomous agents coordinating onchain, prediction market resolvers, and agent-to-agent interactions.
• Produce video walkthroughs and live coding content that explain how the demos work.
• Develop reusable starter kits and templates for developers.
• Spot trends in the ecosystem and propose new demo ideas proactively.
• Partner with DevRel, Marketing, and BD to support go-to-market goals and partnerships.

What we're looking for

• Strong Solidity and EVM development experience (writing, deploying, and interacting with smart contracts).
• Ability to build frontend interfaces for demos.
• Demonstrated ability to generate ideas.
• Comfortable with rapid prototyping; shipping a rough demo in days, not weeks. Good instincts for what makes a demo compelling vs. forgettable.
• Heavy use of AI tools in your workflow.

This role is ideal for someone who loves building in public, experimenting quickly, and creating the proof points that get developers and partners excited.

Apply if you want to build the demos people remember.

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