[Hiring] Senior Software Engineer in Test IV @OpenX

Role Description

You will be part of the development team focused on exchange features for connected devices (CTV). Our exchange handles billions of ad requests daily connecting thousands of publishers with demand partners. Each request produces data events that have to be processed to extract business value from them.

Project:

• The Upsiders team develops the auction and revenue mechanics that determine how transactions are priced, processed, and monetized across OpenX.
• Focus on bid economics across both deals and the open exchange, including pricing, floors, fees, rebates, auction behavior, revenue calculation, and real-time reconciliation.
• Build systems that ensure real-time platform calculations reflect actual financial processes and commercial agreements.
• Enable OpenX to support flexible business models, optimize monetization, and deliver accurate revenue outcomes for buyers, publishers, and internal teams.

The team is using the following technologies:

• Frontend: JS/TS, React, Material UI
• API: Python, Java
• Backend: Java, Go, Erlang, Elixir
• CICD: Cloud build, Spinnaker

Qualifications

• 5+ years of test automation experience
• Proficiency in Java OR Python and ability to improve, debug, modify and maintain an automation framework codebase
• Experience using CI/CD tools like Jenkins, Spinnaker, or Cloud Build
• Excellent troubleshooting skills to triage complex issues
• Experience operating in an agile environment
• Communicative Polish and English languages
• Bachelor’s degree in Computer Science or equivalent degree

Requirements

• Test large-scale event processing systems and back-end applications
• Involved in all phases of product development, starting from requirements to validation and deployment
• Analyze and improve efficiency, scalability, and stability of applications
• Work in a focused and nimble team that collaborates on common problems across products and across focus areas
• Own components, processes, and workflows that demand professionalism, excellent communication, teamwork, and documentation skills
• Create, maintain, and improve automation test suites/frameworks
• Monitor and maintain QA CI pipelines, collaborate on CD enablement
• Conduct root cause analysis of issues and provide solutions for better coverage and maintainability
• Effectively communicate and be a crucial member of both the project teams and QA organization
• Be exposed to a broader set of problems, which allows for fast career growth and proximity to abundant technical problems

Benefits

• Employment contract (22,595 - 25,254 PLN gross/monthly) OR B2B (181 zł - 202 zł 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 at scale
• Joining a company that is growing and scaling
• Flexible working hours & remote work option
• 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)