This role has closed. OpenX has taken the posting down.
hirly last saw it live on 24 October 2026. See similar open roles below, or browse all Data Engineer jobs.
OpenX
Senior Big Data Engineer IV
Krakow
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hirly's read of this role
- Role family
- Data & ML
- Seniority
- Senior
- Country
- PL
- Work mode
- On-site / unstated
- First seen by hirly
- 3 Sept 2026
Derived automatically from the posting.
the posting
Company at a Glance
OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.
At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.
You will work in all aspects of agile application development, including our enterprise platform that interfaces with a multitude of services that are dependent on to deliver billions of requests per day. Your opinions will be important in all phases of product development, starting from requirements to validation and deployment.
Working on the enterprise platform, you will be working with multiple distributed teams to architect, create, and deliver new features and functionality in order to deliver the best possible advertising experience in the market. Scalability, performance, and rock-solid reliability are all factors to consider with every line you code.
The Team and Project:
You will be part of the core data platform team. Our exchange handles billions of ad requests daily connecting thousands of publishers with demand partners. Each request produces data events that have to be processed to extract business value from them. Daily our applications produce more than 1PB of data.
Listed on hirly, a job board. hirly is not the employer: OpenX is hiring for this role.