OpenX

Senior Software Engineer IV (Python)

Krakow Full-Time On-site
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Job Description

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. We’re seeking a Senior Software Engineer with strong platform and cloud expertise to design and implement scalable integrations that enhance the performance of our platform. You’ll join a talented team to build and optimize real-time services, collaborating closely with partner engineering and product teams to deliver secure and robust solutions. If you’re:

Open-minded - happy to give & receive feedback, not afraid to fail, and move on

Proactive - always want to find a satisfying solution

Self-organized and self-motivated

We want to talk to you. We are operating at a scale

100% Cloud-based (GCP) platform

Over 370 billion Ad requests every day

Over 120 000 CPU daily

Over 140 TB RAM daily

Over 50 PB of data per week

Over 1200 production deployments a month The Team focused primarily on building audiences and segments capabilities for our platform. Our core work revolves around how audience segments are discovered, enriched, filtered, evaluated, and activated, so users can find and use the right audiences more effectively across different markets. To support this, we work on AI-powered segment discovery, international audience targeting, contextual intelligence, and data marketplace features that help users discover, evaluate, and activate the right audiences at scale. Our work also includes the underlying graph and data-processing foundations from household graph research to scalable 1P segment pipelines, combining product, backend, and data engineering to build ad tech solutions for a 'cookieless' future.

Frequently Asked Questions

What does the Senior Software Engineer IV (Python) role at OpenX involve?

The Senior Software Engineer IV (Python) position at OpenX in Krakow is a full-time role. 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.

What skills are required for Senior Software Engineer IV (Python) at OpenX?

Key skills for this role include: Python, Scala, GCP, Git.

What is the salary for Senior Software Engineer IV (Python) at OpenX?

The salary for this position is not publicly listed. You can negotiate during the interview process. Check Glassdoor or Levels.fyi for estimates.

Is the Senior Software Engineer IV (Python) position at OpenX remote or on-site?

This position is On-site. The role is based in Krakow.

How do I apply for Senior Software Engineer IV (Python) at OpenX?

You can apply for this position directly through the employer's careers page. Click the 'Apply Now' button on this page to be redirected to the original listing. Make sure your resume is ATS-optimized. Use SpotChange's free ATS test to check.

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About This Role

Senior Software Engineer IV (Python) at OpenX is a full-time engineering position in Krakow. Key skills include Python, Scala, GCP, Git. Education: Master's Degree preferred. Experience: 5+ years.

This role is classified as on-site and is suitable for senior-level professionals. Ghost Score 20/100 (Probably Active) indicates this listing is probably active with recent employer engagement.

To apply, visit the official application page through the Apply Now button above. SpotChange Jobs provides AI-powered career tools including resume optimization, ATS testing, interview preparation, and salary negotiation assistance.