About the job
About OpenX
OpenX helps digital media companies grow their business by building advertising technologies and marketplaces that deliver strong value for publishers and advertisers. Our team brings deep experience in designing and running high-scale ad marketplaces. We look for creative professionals who are interested in market design, technical progress, operational quality, and excellent partner service to advance digital advertising.
Role Overview: Software Development Engineer in Test II
OpenX is hiring a Software Development Engineer in Test II for the Full-Stack team in Krakow, Poland. This role suits engineers who enjoy exploring new challenges and want to work on both frontend and backend systems as part of a collaborative team.
Technologies We Use
- Frontend: JavaScript/TypeScript, React, Material UI
- API: Python
- Backend: Java, Go, Erlang, Elixir
- CI/CD: Cloudbuild, Spinnaker
How We Work
The team follows Scrum but adapts processes as needed. SDETs at OpenX work closely with peers across frontend and backend areas and participate in the QA Guild, which focuses on improving tools and processes across the company.
Scale and Impact
- 100% cloud-based platform on Google Cloud Platform (GCP)
- Over 380 billion ad requests processed daily
- More than 120,000 CPU instances used each day
- Over 140 TB of RAM utilized daily
- 50+ petabytes of data processed every week
- More than 1,200 production deployments each month

