Working at Cylus

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Senior Backend Developer




Cylus, the global leader in rail cybersecurity, helps mainline and urban railway companies avoid security incidents and service disruptions caused by cyber-attacks. With over $30M in funding by top VCs and strategic investors, global customers and strong partnerships with the biggest railway integrators, we make a significant impact on the multi-hundred billion global railway industry.

We are looking for a talented and experienced software engineer to join our innovative R&D team in this exciting journey. If you have the right attitude and skills, we invite you to hop on board our bullet train, create things that matter and have a real impact on the company’s tech, business and culture.

In this position you will

  1. Design and implement core features of our solution
  2. Be part of a vibrant development team of experienced engineers and security experts that develops the core of our solution
  3. Develop in Go and Javascript while leveraging a cutting-edge technology stack
  4. Build a scalable architecture that is capable of handling high network loads
  5. Collaborate with the brightest software and cyber engineers
  6. Truly have fun coming to work every day


  1. Bachelor degree in computer science, Electrical Engineering or equivalent practical experience
  2. At least 4 years of proven experience in software development
  3. Proven track record of delivering large-scale, high-quality products
  4. Tech-savvy, always up-to-date with best practices and latest technology developments
  5. Love to take on creative tasks, have end-to-end ownership and work collaboratively to advance our mission and business goals
  6. Last but not least, you have a good sense of humor

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