Senior Software Engineer IV (Python)

**Overview:** - OpenX is a company focused on maximizing the economic potential of digital media companies through digital advertising markets and technologies. - The company operates a 100% Cloud-based (GCP) platform with significant daily data and processing volumes. - OpenX Poland is seeking a Software Engineer (Python) to join their team in Cracow, Poland. **Key Responsibilities:** - Design high-performance, distributed, low-latency systems. - Architect, create, and deliver new features and functionality. - Drive requirements and own project end-to-end. - Analyze and improve servers and processes. - Work with Engineering and Product teams across locations. - Participate in Agile application development and product development phases. **Requirements/Skills/Qualifications:** - Minimum 5 years of similar position working experience in Python. - Bachelor’s degree in Computer Science or equivalent. - Experience with database systems (MySQL, Postgres), NoSQL, and cloud platforms (GCP, k8s, docker). - Experience in Rest API, GraphQL, and advertising technologies. - Excellent written and spoken English skills. **Compensation & Benefits:** - Employment contract: 21,250 - 23,750 PLN gross/monthly. - B2B: 167 - 186 PLN net/hourly. - Benefits include annual performance bonus, tax-deductible system, private health care, travel insurance, multiKafeteria program, LinkedIn learning access, holiday allowance, pension scheme (PPK from PZU), additional paid day off, free parking, peer recognition platform, and personal milestone vouchers. **OpenX Values and Traits:** - The company values teamwork, customer centricity, ownership, transparency, and adaptability. - Ideal team members are humble, driven, and smart, demonstrating integrity, initiative, and sound judgment. - OpenX is committed to equal employment opportunities and has a non-discrimination policy.