Big Data Engineer IV

Qualifications: 8+ years experience in Java, Scala or Python development 3+ years of experience in Big Data systems development Experience building complex data pipelines, including SQL-based transformations with tools such as dbt or Dataform, and large-scale data processing with distributed frameworks such as Apache Spark. Expertise using BigQuery or other data warehouses including performance tuning and monitoring. Understands data orchestration tools like Airflow to extend it with new data pipelines and troubleshoots its operational issues. Cloud experience with Google Cloud Platform or AWS, k8s, and Docker. Understanding of CI/CD, automated testing, monitoring and other DevOps practices. Fluently speak algorithms, data structures, and platforms. Experience with database system design, RDBMs and/or NoSQL. Bachelor’s degree in computer science, physics, or related field. A Master’s degree is a plus. Communicative Polish and English. Desired

qualifications: Be comfortable using the right tools and languages for the job, even brand new ones. Have the ability to develop scalable, modular applications. SCRUM / Agile environment experience. Experience working in digital media, marketing technology or advertising technology is a big plus. Good written & oral communication skills. Good sense of humor. Team player. Self-starter with the ability to independently identify and act on areas of improvement. What we offer: Employment contract (23 375 - 26 125 PLN gross/monthly) OR B2B (186 - 208 PLN net/hourly) Working with the newest technologies such as Cloud Computing (GCP) Challenges at work that are difficult to find anywhere else! Solving important problems in a scale Joining a company that is growing and scaling Flexible working hours & remote work option Our

benefits (on employment contract): Annual performance

bonus Tax-deductible system due to copyright protection: 75% Private health care for you and your family (covered by OpenX) Private life and travel insurance (Covid insurance included) MultiKafeteria program Training: access to the LinkedIn learning platform and Tech workshops Holiday Allowance Pension scheme (PPK from PZU) Additional paid day off Free parking lot Access to peer to peer recognition platform Monthly work-from-home allowance and one-time payment when you join us to help you set up your home office We celebrate team members' important personal milestones (vouchers, gifts) \n OpenX VALUES 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 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 ARE CUSTOMER CENTRIC 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. OPENX IS OURS 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 work We are not interested in just "doing our jobs"; we take ownership to drive results WE ARE AN OPEN BOOK 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 EVOLVE FAST 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. OpenX TRAITS Our three traits capture what makes a great team member at OpenX. HUMBLE 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. DRIVEN 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. SMART 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. OpenX is committed to equal employment opportunities. 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. OpenX Applicant Privacy Policy Applicants can review our Applicant Privacy Policy at any time by visiting the following link: https://www.openx.com/privacy-center/applicant-privacy-policy/ . Effective Date of the Privacy Policy: November 21, 2024

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.