Codest is an in-house software studio of Yieldbird - a team of programmatic optimizers and ad managers. We cater to publishers around the world, but we are not a big corporation. We are analysts who are simply good at what they do – monetizing ad space in programmatic model and generating the highest revenue for publishers. We operate since 2009. Our main shareholder is Agora SA – one of the largest media groups in Poland.

We're looking for people who

  • Knowing HTML, CSS, Javascript and ActionScript at the level allowing identification and solving errors
  • Knowing online advertising industry, ad serving technologies and metrics for measuring the efficiency of ads (CPM, CPC)
  • Knowledge about the issues related to RTB, basic skills of using SSP/DSP platforms
  • The ability of logical and analytical thinking
  • You know English well (min. B2)
  • You are communicative, have a sense of humour and can work in a team
  • You are distinguished by good organization of work and high self-reliance

Our candidates must be fluent in

  • Supporting the implementation and verification of advertising codes for new publishers in the network (in desktop and mobile versions).
  • Planning, defining and setting up online advertising campaigns using different ad server tools
  • Recognizing and solving problems related to displaying ads
  • Providing technical support for publishers in the implementation of codes
  • Ability to use Web Developer tools in order to verify the implementation of codes
  • Providing support in the implementation of new technical solutions


  • Multisport card
  • Private healthcare
  • Devices with an apple‐shaped logo
  • Company parties, trips, a lot of fun and delicious sandwiches for breakfast, every day :)

When applying for this position, please send us your CV and piece of your back-end code to - 100 lines at most.

or send an email at

Open offers