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Job Number: 2170774

Our client is looking for a Senior Software Engineer who is responsible for the gateway layer of Demonware's architecture which manages authentication, encryption and routing to all backend services, and manages millions of concurrent connections daily.

Day to Day:
Develop, maintain and evolve the gateway technology (written in Erlang) and its client-side connection management layer (in C++) according to Demonware's standards of reliability and quality.

  • Liaise with other teams on feature implementation, ensuring their requirements are met.
  • Ensure all components are highly scalable and maintainable.
  • Own the features and components developed.
  • Partner with other engineers to troubleshoot problems with online and multiplayer features, and provide an excellent customer experience.
  • Provide mentorship on best practices for backend development and integration.


  • 6+ years Software Development experience.
  • Experience with large scale services (up to millions of concurrent users).
  • Excellent problem solving and analytical skills.
  • Excellent development skills, knowledge of either or both of Erlang and Elixir. C++ expertise a bonus, but not required.
  • Previous experience designing APIs for use by other developers. Can understand and explain what makes a well-designed API.
  • A good understanding of networking protocols: TCP, HTTP, TLS, etc.
  • Love to code.

Nice to have experience with:

  • Game development or game engines
  • Continuous integration and agile methodologies
  • Building backend services

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