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Principal Blockchain Protocol Engineer

ImprobableUnited KingdomRemote, Onsite
At Improbable, we’ve been venturing into unexplored territory for over a decade, seeking new ways to connect people and amplify their lives. We’re shaping virtual worlds of unprecedented scale for the gaming, web3, and related sectors, creating world-changing technology from Morpheus to M2. With us, you’ll tackle questions that no one else is asking and find answers that define the future.
We are working with the Virtual Society Foundation to design and build the worlds highest throughput EVM-based L1 blockchain. We are looking for experienced blockchain protocol engineers to be part of the founding core team, designing and building out our high performance stack.The Virtual Society Foundation has received initial funding from MSquared, an ecosystem of interoperable metaverses backed, to build a blockchain and set of protocols that will support the on-chain services and activities required by a truly decentralised network of metaverses.

Your Opportunity:


  • Design and implement our core L1 blockchain protocol.
  • Optimise the core stack, finding and improving our key bottlenecks.
  • Driving the project towards an external devnet and beyond.
  • Supporting and operating the protocol once it is externally launched.
  • Stay abreast of the latest developments in blockchain technology.

Why You're Made For This:


  • Direct experience building and launching an L1 or L2 blockchain.
  • Strong proficiency in C, C++ or Rust, with professional experience.
  • Experience with developing high-performance software and networked systems.
  • Ability to drive an outcome and unblock yourself and those around you with high productivity.
  • Ability to work independently and in a team environment.
  • Strong verbal and written communication skills.

#LI-KH1This role is available as remote, hybrid or in-office. We have a great office space in Spitalfields in London but are equally happy if you'd prefer to work from home some, or all of the time. We are 'Flexa' certified, meaning our entire employee experience is anchored around flexibility and autonomy.While we think the above experience could be important, we’re keen to hear from people that believe they have valuable experience to bring to the role. If you identify with the team and mission, but not all of our requirements, then please still apply. 

About Us


Improbable is determined to foster an environment where people can do their best work and feel like they belong. We believe a healthy culture, strong values and contribution from a diverse range of individuals will help us to achieve success.We do not discriminate based on race, ethnicity, gender, ancestry, national origin, religion, sex, sexual orientation, gender identity, age disability, veteran status, genetic information, marital status or any other legally protected status. If you require any reasonable adjustments as part of your application process or would like to confidentially discuss the matter, then please do let us know in the Additional Information section of your application.Life at ImprobableDiversity, inclusion and belongingApply for this job

Life at Improbable

Improbable is dedicated to building powerful technology designed to help solve previously impossible problems and enable the creation of new realities. In gaming and entertainment, Improbable unlocks truly next-generation gameplay through virtual worlds of unprecedented scale, persistence and richness. In other industries, we hope to help answer critical questions through simulations that could lead to a better functioning world. Our platform, SpatialOS, lets developers transcend the limits of regular computation, allowing swarms of servers running in the cloud to cooperate in order to simulate worlds far larger and more complex than any single server could. We are a British technology company proudly building a diverse workforce, driven by a shared desire to improve and achieve extraordinary things. We're crafting technology for the future and fostering a problem-solving culture that embraces innovation through iteration and experimentation.
Thrive Here & What We Value1. Flexibility and autonomy2. Emphasis on diversity, inclusion, and belonging3. Healthy culture4. No discrimination based on protected status5. Contribution from a diverse range of individuals6. Collaborative teamwork7. Proactivity and open communication8. Quick delivery over perfection
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