Company at a GlanceOpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.
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.
At OpenX Poland, we’re looking for talented and curious engineers to join our amazing team in Cracow, Poland. Currently, we’re looking for a Software Developer Engineer in Test III (JavaScript) who will join our Full-stack team that is responsible for:Contextual targetingCTV advertisingAd Quality, Traffic Quality
The team is using the following technologies:Frontend: JS/TS, React, Material UIAPI: PythonBackend: Java, Go, Erlang, ElixirCICD: Cloudbuild, Spinnaker 
On daily basis, we are using the Scrum framework with an open-minded attitude to adapt the process to our needs.Within the team, you will have the opportunity to work closely with other SDETs focusing on different domains (both frontend and backend), as well as be a part of the QA Guild focusing on making impactful changes to our tools and processes.
We are operating at a scale:100% Cloud-based (GCP) platformOver 370 billion Ad requests every dayOver 120 000 CPU dailyOver 140 TB RAM dailyOver 50 PB of data per weekOver 1200 production deployments a month
What we offer:Employment contract (17 600 - 19 000 PLN gross/monthly) OR B2B (139 - 155 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 optionKey responsibilities:Test large-scale data processing systemsInvolved in all phases of product development, starting from requirements to validation and deploymentAnalyze and improve efficiency, scalability, and stability of applicationsWork in a focused and nimble team that collaborates on common problems across products and across focus areasOwn components, processes, and workflows that demand professionalism, excellent communication, teamwork, and documentation skillsCreate, maintain, and improve automation test suites/frameworksMonitor and maintain QA CI pipelines, collaborate on CD enablementConduct root cause analysis of issues and provide solutions for better coverage and maintainabilityEffectively communicate and being a crucial member of both the project teams and QA organizationBe exposed to a broader set of problems, which allows for fast career growth and proximity to abundant technical problemsRequired Qualifications:3+ years of test automation experienceProficiency in JavaScript and ability to improve, debug, modify, and maintain an automation framework codebaseOpenness to work with other languages like PythonExperience in using test design techniquesExperience using CI/CD tools like Jenkins or SpinnakerExcellent troubleshooting skills to triage complex issuesExperience operating in an agile environmentCommunicative Polish and English languages Nice to have:Experience Google Cloud Platform, k8s, and dockerExperience in UI/UX testingExperience in API testingCypress framework experienceRobot framework experienceFamiliarity with advertising technologies and the advertising ecosystemOur benefits (on employment contract):Annual performance bonusTax-deductible system due to copyright protection: 75%Private health care for you and your family (covered by OpenX)Private life and travel insuranceMultiKafeteria program Training: access to the LinkedIn learning platform and Tech workshops Holiday AllowancePension scheme (PPK from PZU)Additional paid day off Free parking lot Access to peer to peer recognition platformMonthly work-from-home allowance and one-time payment when you join us to help you set up your home officeWe celebrate team members' important personal milestones (vouchers, gifts)OpenX VALUESOur 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 ONEWe 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 CENTRICWe 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 OURSWe are all owners of OpenXWe all have a voice to improve OpenXWe stake our personal and professional reputations on the excellence of our workWe are not interested in just "doing our jobs"; we take ownership to drive results
WE ARE AN OPEN BOOKWe 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 FASTWe 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 TRAITSOur three traits capture what makes a great team member at OpenX.
HUMBLEIdeal 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.
DRIVENIdeal 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.
SMARTIdeal 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.
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Effective Date: November 21, 2024