Staff Blockchain Engineer

Engineering /
Full Time /
Want to help build Xai with one of the core contributors in the Xai ecosystem? Ex Populus is hiring a Senior Blockchain Developer. Think you've got the right skills? Please read the description and answer the questions at the following link:

About Ex Populus
Ex Populus is an ambitious game development studio, spearheaded by industry veterans from renowned companies such as Pixar, Ubisoft, Activision, Blizzard, and more. With a remarkable team, the company is currently in the process of developing two highly anticipated games, Final Form and LAMOverse. Notably, Ex Populus holds the distinction of being the first developer to deploy its games on the Xai Blockchain, setting the stage for numerous other developers to follow suit.

Position: Staff Blockchain Engineer
You will join the team as a Staff Blockchain Engineer and contribute to building a fully autonomous world on Xai, the first L3 in the Arbitrum ecosystem.

Location: Remote, Work From Home
Ex Populus has a fully remote staff that enjoys 2-3 meetups per year, with a regimented meeting schedule leveraging google meets.


    • You are experienced as a tech lead or staff software engineer in relevant Blockchain technologies.
    • You have 7+ years of industry experience in software engineering
    • Advanced understanding of EVM environments and solidity.
    • You have worked on dApps or protocols that have both shipped and scaled.
    • You have an understanding of cross-chain messaging protocols.
    • You possess an ability to collaborate effectively with cross-functional teams, including game designers, artists, and other developers, to ensure seamless integration of blockchain technology into gaming projects.
    • You demonstrate a commitment to staying updated on the latest advancements in blockchain technology and contribute insights to enhance the team's overall knowledge.
    • You have experience building upgradable contracts via either UUPS, Transparent Proxies, and/or Diamonds
    • You must be fluent in English.
    • You must be able to work 8 hours per day, Monday through Friday, with at least 4 hours per weekday available to work with the team in Vancouver, Canada (Pacific Timezone).
    • You must be able to demonstrate that you have worked with non-standard, completely custom smart contracts.


    • Leading the development of large, complex, business-critical development initiatives.
    • Building smart contracts and ensuring that all timelines and expectations are met.
    • Reviewing smart contracts for security and functionality.
    • Supervising web services that use blockchain technology.
    • Integrating Solidity code across platforms.
    • Managing the full lifecycle of blockchain development.
    • Ensuring blockchain integration with existing applications.
    • Translate requirements into complicated but clean and efficient code.
    • Designing, developing, and testing blockchain systems.
    • Architect solutions that solve high priority business problems effectively and efficiently.
    • Work in an agile development environment, adapt to changing requirements, and deliver high-quality results within tight timelines.
    • Mentoring & upleveling those around you.
The company is founded by industry veterans that have collectively received 3 Oscar, 12 Emmy, and 7 Annie nominations. The staff comes from companies like Ubisoft, Blizzard, Activision, Love Death & Robots, Pixar, Illumination, Wargaming and others. We look forward to speaking with you!