.
Senior Software Engineer (Java/Go) @ OpenX
  • Kraków
Senior Software Engineer (Java/Go) @ OpenX
Kraków, Kraków, Lesser Poland Voivodeship, Polska
OpenX
2. 11. 2025
Informacje o stanowisku

Project:

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.

Please note: all interview stages are run remotely! 

We are operating at a scale:100% Cloud-based (GCP) platform

Over 400 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


Required Qualifications:

  • Ideally, 5+ years of working experience in Java
  • Experience with database system design, RDBMS, or NoSQL
  • Experience with Google Cloud Platform, k8s, and Docker
  • Communicative Polish and English
  • Ability to effectively dive into technologies other than Java (Erlang, GO)

Desired Characteristics:

  • Fluently speak algorithms and data structures and platforms (Linux)
  • 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.

Project:

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.

Please note: all interview stages are run remotely! 

We are operating at a scale:100% Cloud-based (GCP) platform

Over 400 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

,[Design high-performance, distributed, low-latency systems, Architect, create and deliver new features and functionality, Work with Product to drive the requirements, and own the project end-to-end, Analyse and improve the efficiency, scalability, and stability of servers and processes, Think long-term and be unsatisfied with band-aids, Identify unnecessary complexity and remove it, Owning and leading the technical layer of the project Requirements: Cloud, Kubernetes, Docker, Java, AWS/GCP, RDBMS, Golang, Java, Data structures Tools: Jira, Confluence, GitHub, GIT, Cloud Build, Agile, Scrum. Additionally: Private healthcare, Flat structure, Lunch card, Life insurance, Small teams, Multikafeteria, Integration events, Linkedin Learning, Free coffee, Bike parking, Playroom, Shower, Free snacks, Free beverages, Free lunch, Free parking, No dress code, In-house trainings, Modern office.

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


    106 737
    15 409