About Expanso:

At Expanso, we're pioneering the next wave of distributed computing through our open-source project, Bacalhau (bacalhau.org). Our mission is simple but ambitious: to make distributed computing more scalable, resilient, and accessible to everyone. As the backbone of our engineering efforts, Bacalhau is designed to tackle complex computing problems with elegance and efficiency. Join us on this journey to shape the future of distributed systems.

Role Overview:

We’re looking for passionate Senior Software Engineers to expand our dynamic team. If you thrive in environments where innovation is the norm and challenges are viewed as opportunities, we would love to hear from you. As part of our team, you’ll contribute directly to the development and enhancement of Bacalhau, working on cutting-edge technology in a distributed world.


  • Lead the charge in designing, developing, and fine-tuning Bacalhau, ensuring it stands out in performance, reliability, and scalability.
  • Collaborate with a cross-functional team to define, design, and ship new features.
  • Uphold coding excellence through code reviews, contributing to team learning, and advocating for best practices.
  • Dive deep into troubleshooting, testing, and refining our core product to guarantee top-notch optimization and functionality.
  • Connect with the open-source community, lending an ear to feedback and continuously iterating on Bacalhau to meet user needs.


  • Proven experience as a software engineer, with a strong background in distributed systems, open-source projects, or related technologies.
  • Proficiency in Go, or similar languages, with a deep understanding of system design, data structures, and algorithms.
  • Experience in operating large-scale systems in production, ensuring high availability and performance.
  • Experience with Distributed Systems such as Docker, Kubernetes, Nomad, Spark/Databricks, Mesosphere, or other orchestration technologies is a plus.
  • Excellent problem-solving skills, with the ability to work independently and as part of a team.
  • Strong communication skills, comfortable working in a distributed team environment.

Why Join Us?

  • Work on an innovative open-source project with the potential to change the landscape of distributed computing.
  • Be part of a flexible, inclusive, and forward-thinking workplace where your contributions have a direct impact.
  • Be part of an early-stage startup and experience the unique benefits of working with a close-knit group of dedicated people. Enjoy greater flexibility, rapid decision-making, and a chance to wear multiple hats. A perfect environment for those who thrive on innovation and want to see their work make a difference.
  • Engage with a vibrant community of developers and contribute to a project you’re passionate about.
  • Enjoy a competitive salary and a remote-friendly work environment.

*While we’re happy to consider applicants globally, note that our team primarily operates in PST (Seattle, LA), GMT (London), and CET (Germany). Proficiency in English and time zone overlap with these regions are essential.