Aleja 29 Listopada 20, 31-401 Kraków, Poland

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Software Development Engineer in Test (Mobile Project) Regular or Senior


The Opportunity:

OpenX is looking for talented and highly motivated test engineers to accelerate and improve the quality of OpenX Digital Advertising Platform. You will have a chance to work in all aspects of agile application development, including our Mobile SDK. As an engineer in test, you’ll own components, processes, and workflows that demand professionalism, excellent communication, teamwork, and documentation skills.

Key Responsibilities

  • Involved in all phases of product development, starting from requirements to validation and deployment
  • Work in a focused and nimble team that collaborates on common problems across products and across focus areas
  • Create, maintain, and improve automation test framework
  • Monitor and maintain CI pipelines
  • Work with experienced team members to conduct root cause analysis of issues and review new and old code
  • Effectively communicate and report issues to project teams
  • Be exposed to a broader set of problems, which allows for fast career growth and proximity to abundant technical problems

Required Qualifications

  • Bachelor’s degree in Computer Science or equivalent degree
  • Rock solid Computer Science foundation
  • Experience with version control solutions such as Git
  • Experience with automating iOS and Android applications
  • Excellent troubleshooting skills to triage complex issues
  • Ability to digest and learn the integrations of complex systems
  • Passion for continual growth and self development
  • Strong quality and automation mind-set


Desired Characteristics

  • At least 2-3 years for regular position and for senior role 5+ years of experience
  • Passion for software test development and proven ability to test enterprise distributed systems
  • Experience designing and building mobile test frameworks
  • Experience with automation tools e.g. Appium, Espresso, Selenium, and so on
  • Proficiency in Python, or a similar OO language and can test any part of the stack utilizing our test framework by way of automation
  • Experience with Java and TestNG
  • Experience using tools such as GoCD or Jenkins that build Continuous Integration and Continuous Delivery systems
  • A deep understanding of web applications and RESTful APIs
  • Experience working in a fast paced environment
  • Familiarity with advertising technologies and the advertising ecosystem

What we offer:

  • Competitive salary
  • Huge range of benefits including: private medical healthcare for you and your family; Life insurance; MultiSport Card; Free Catered Lunches every Monday, Wednesday and Friday; Snacks & Drinks (healthy options available); SocialX Culture Club
  • Great opportunities to work with your local team as well as with the teams in the US
  • Comfortable office close to the City Center

Company at a Glance

OpenX exists to help publishers grow their businesses by monetizing great content. We do this by creating highly efficient, high quality programmatic advertising marketplaces that deliver optimal value to all buyers and sellers of digital advertising.

Today, OpenX operates one of the largest, most efficient and highest quality programmatic markets in the world. Our unified system also encompasses a complete supply side platform that optimizes revenue across network and real-time bidding (RTB) demand, and a comprehensive ad server.

At OpenX we have built a team that is uniquely experienced in designing and operating high-scale programmatic ad marketplaces. We are constantly looking 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.

OpenX Values

We are one

Our customers define us

OpenX is mine

We are an open book

We evolve fast


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