About the job
Improbable is a cutting-edge venture builder and technology innovator that is at the forefront of developing next-generation networked and digital infrastructure for the Web3 economy. We collaborate with industry leaders to establish businesses focusing on AI transformation, the metaverse, and Web3. Our approach includes creating new ventures from the ground up as well as investing in existing enterprises.
Founded in 2012 and based in London, Improbable started as an ambitious project aimed at enabling vast, persistent, and interactive online worlds. Over the last decade, we have transformed into a global leader in venture building, decentralized technology, digital assets, and blockchain-enabled infrastructure—empowering creators, brands, and communities to build and scale the next generation of digital experiences.
Your Mission:
Somnia is constructing next-generation blockchain infrastructure, and we are in search of a Principal Full Stack Web3 Engineer to define, architect, and implement the foundational protocol principles of the Somnia blockchain. This position is a senior, hands-on engineering role for an individual experienced in shipping production-grade blockchain protocols with advanced AI/ML components, comfortable at the intersection of research, architecture, and execution.
Your contributions will be pivotal in shaping the core protocol, influencing the long-term technical direction, and ensuring that Somnia’s blockchain is secure, scalable, and ready for real-world application. You will specifically explore how decentralized AI models can improve the network. We are looking for an experienced Web3 Engineer with a background in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions with both frontend and backend systems, as well as experience in creating and interacting with The Graph.
What You’ll Be Doing:
Design, develop, launch, and maintain decentralized applications (dApps) from concept to community use.
Implement on-chain logic in smart contracts and connect them with web front-ends for use by both crypto enthusiasts and newcomers.
Collaborate with business leads to define product roadmaps, contribute to the vision and strategy of the venture, and provide feedback to venture leadership.
Work closely with the Somnia blockchain team, providing product feedback to their development group.
Why You’re Made For This:
You possess a strong foundation in blockchain technology and have previously delivered successful projects in a similar role.

