Carreiras ≫ Junior Ruby Developer

You will be part of a team of bright and talented engineers who are passionate about our vision, which is creating a worldwide smart open payment network.

What you will do

  • Design and maintain multiple runtimes and DSL's for embedded/POS (Point of Sale) devices
  • Improve the overall Developer Experience (DX) of the platform
  • Work with payment industry cryptographic standards
  • Improve continuous integration pipelines
  • Troubleshoot problems across distributed systems
  • Review and update components of the platform following PCI-DSS and EMV compliance guidelines
  • Understand and automate away common problems
  • Fix performance issues while improving scalability and availability of the platform
  • Deal with production issues as part of a supportive on-call team
  • Work close to security researchers, including Ruby and other programing languages

What we are looking for

  • Experience in Ruby and any other language
  • Experience developing in one or more programming languages on a daily basis such as Go, Python, Ruby or JavaScript
  • Experience in Linux/POSIX system
  • Experience with private cloud solutions
  • Experience with tools to support version control, build automation and automated testing
  • Experience with container technologies such as Docker, Kubernetes or LXC
  • Experience in modern automation tools and principles
  • Experience developing and operating distributed applications in the cloud with features such as load balancing and autoscaling
  • Experience working to complete tasks autonomously and unsupervised
  • Experience with agile development methodology


  • Experience with C low level development (or being willing to learn)
  • Experience with payments industry standards such as PCI-DSS and EMV
  • Experience with PaaS solutions such as Heroku, Convox or Deis

Benefits and Perks

  • Competitive salary
  • Exciting startup environment
  • Be part of a great idea that is shaping the payment industry
  • Transportation voucher (fuel or transit pass)
  • Meal voucher (Sodexo)
  • Family health plan
  • Snacks and fresh fruits in the office
  • Bicycle program - bike rack and showers
  • Company happy hours

Apply now


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