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.NET / C# Developer adept in microservices

full-time Airfi Networks London

Airfi Networks is a global company, headquartered in London with offices in San Francisco and Atlanta in the United States. It was founded by three veterans of the telecommunications, start-up and consumer electronics industries with the aim of making the process of launching cellular enabled connected devices as easy as possible.

Were looking for a great .Net/C# Developer with at least four years’ experience and strong experience using microservices. Airfi is building an excellent product thats helping Internet of Things companies get their smart devices connected to mobile networks, and were working with some of the biggest brands in the world, like AT&T, Rogers and Telefónica to do it.

Candidates will work closely with product owners and the team within an agile environment to produce high-quality innovative, scalable and maintainable services.


  • Create new features and improve our main product Catalyst IoT
  • Optimize applications for maximum speed and data storage
  • Collaborate with front-end developers and web designers to improve usability
  • Stay up-to-date on emerging technologies


Our world is getting more and more connected. Devices like wireless cameras, smart alarms, connected watches, and automatic door locks are giving us more control, security, and opportunities to communicate than ever before.

Airfi Networks is a key enabler to this connected revolution. Helping our customers connect their end user’s products to mobile networks around the world, we provide billing, account management and connectivity services alongside our network partners, which include AT&T and Rogers.

That means we do everything from helping end-users to register and activate their devices, to charging them for their monthly bills and giving them support when something goes wrong, all in the name of big, tier one hardware manufacturers you’ve already heard of. We do all the back-office work, connectivity management and Operations for them, so they only have to worry about creating great devices - as they already do today.

We’re headquartered in London, UK, with offices in Atlanta, Georgia and San Francisco, California.


It is Airfis policy to open roles to recruiters only after a period in which applications are welcomed from individuals. We only accept candidates from our preferred suppliers. If you would like to become a preferred supplier, contact

  • Proven work experience as C# developer (at least four years’ experience) using .NET or .NET Core (preferable)
  • Strong experience and understanding of microservices
  • In-depth understanding with distributed services and REST APIs (services, databases, development and deployment)
  • Experience with Kubernetes and Docker or other orchestration and containerization tools is desired
  • Understanding of unit testing, continuous integration, continuous deployment and TDD
  • Knowledge in cloud development or Azure will be a plus
  • Familiarity with application and database performance optimisation (benchmarking/tracing/profiling)
  • An ability to perform well in a fast-paced environment

You’ll be one of the first twenty employees of an exciting, global start-up. You will have real responsibility and real opportunities to grow and shape our business, creating work thatll be seen and used by customers and end users all over the world.

You’ll have the opportunity to work from a great office space, with flexible hours, brand new equipment and above-average annual leave (28 days plus bank holidays, from day one). We’ve also got hundreds of discounts and perks for all employees, from half price cinema tickets to cheap gym memberships.

And of course, all Airfi roles come with a competitive salary.
published: Feb. 16, 2018

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