Senior Software Engineer IV (Python)
Lever, Inc. · Kraków, Poland ·
- Work mode
- Remote
- Seniority
- Senior
- Employment
- Contract
- Category
- Software engineering
- Experience
- 5+ years
Lever, Inc. · Kraków, Poland ·
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.
Our five company values form a solid bedrock serving to define us as a group and guide the company. Our values remind us that how we do things often matters as much as what we do.
We are one team. There are no exceptions. We are a group of strong and diverse individuals unified by a shared mission. We embrace challenges and win together as a team. We respect and care about our colleagues and cultivate an inclusive culture
We innovate on behalf of our customers. We understand, respect, and listen carefully to our customers. We build great products to solve our customers’ problems. We manage our customers’ expectations clearly and honestly. We are a trusted partner to all of our customers - we act with integrity at all times. We care.
We are all owners of OpenX
We all have a voice to improve OpenX
We stake our personal and professional reputations on the excellence of our organization
We are not interested in just "doing our jobs"; we take ownership to drive results
We understand and respect what each of us does.We are eager to teach and share what we know with others, both internally and externally. We are eager to learn from others and we ask questions internally and externally.
We take responsible risks and own and learn from our mistakes. We recognize and repeat success.We actively seek out and provide constructive feedback. We adapt quickly and embrace change. We tackle growth and learning with real urgency. We are endlessly curious.
Our three traits capture what makes a great team member at OpenX.
Ideal team players are humble and demonstrate integrity. They put the team's success above their own, share credit generously, and value collective achievements. They are self-assured, open to coaching, and committed to continuous learning.
Ideal team players are results-driven and motivated. They are curious, always seeking more to do, learn, and take on. As proactive problem-solvers, they take initiative without needing external motivation. They continuously think about the next steps and opportunities for improvement.
Ideal team players are smart and possess the intellectual acumen to understand the complexities of our organization and industry. They are interpersonally intelligent, good communicators, and exemplify sound judgment in their interactions across the company to foster a collaborative environment.
It is a fundamental principle at OpenX not to discriminate against employees or applicants for employment on any legally-recognized basis including, but not limited to: age, race, creed, color, religion, national origin, sexual orientation, sex, disability, predisposing genetic characteristics, genetic information, military or veteran status, marital status, gender identity/transgender status, pregnancy, childbirth or related medical condition, and other protected characteristic as established by law.
Applicants can review our Applicant Privacy Policy at any time by visiting the following link: https://www.openx.com/privacy-center/applicant-privacy-policy/.