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Senior Software Engineer III (Python) Job Opening In Kraków – Now Hiring OpenX


Job description

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.We are operating at a scale:100% Cloud-based (GCP) platformOver 400 billion Ad requests every dayOver 120 000 CPU dailyOver 140 TB RAM dailyOver 50 PB of data per weekOver 1200 production deployments a monthAt OpenX Poland, we’re looking for talented, communicative, and curious engineers to join our amazing team in Cracow, Poland.

Currently, we’re looking for a Software Engineer (Python).If you’re:Open-minded - happy to give & receive feedback, not afraid to fail, and move onProactive - always want to find a satisfying solutionSelf-organized and self-motivatedWe want to talk to you.The team is using the following technologies:Frontend: JS/TS, React, Material UIAPI: Python, Backend: Java, Go, Erlang, ElixirCICD: Cloudbuild, Spinnaker 

What we offer:

  • Employment contract (17 000 - 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 option
  • Key Responsibilities

  • 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
  • Work with Engineering and Product teams distributed across multiple locations
  • Analyze and improve efficiency, scalability, and stability of servers and processes
  • Think long-term and be unsatisfied with band-aids
  • Identify unnecessary complexity and remove it, analyse existing solutions
  • Required Qualifications

  • 4+ years for similar position working experience in Python along with a Bachelor’s degree in Computer Science or equivalent degree
  • Experience with databases system design, RDBMs (MySQL, Postgres) or NoSQL
  • Excellent written and spoken English skills
  • Experience with Amazon Web Services or Google Cloud Platform - nice to have
  • Experience working in digital media, marketing technology or advertising technology is a big plus
  • Our benefits (on employment contract):

  • 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)
  • 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 cultureWE 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 resultsWE 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.OpenX Applicant Privacy PolicyApplicants can review our Applicant Privacy Policy at any time by visiting the following link: .

    Effective Date of the Privacy Policy: November 21, 2024

    Required Skill Profession

    Computer Occupations


    • Job Details

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    The Work Culture

    An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at OpenX adheres to the cultural norms as outlined by Expertini.

    The fundamental ethical values are:

    1. Independence

    2. Loyalty

    3. Impartiapty

    4. Integrity

    5. Accountabipty

    6. Respect for human rights

    7. Obeying Poland laws and regulations

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    The average salary range for a varies, but the pay scale is rated "Standard" in Kraków. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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    Key qualifications for Senior Software Engineer III (Python) typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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    Interview Tips for Senior Software Engineer III (Python) Job Success

    OpenX interview tips for Senior Software Engineer III (Python)

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    Before the Interview:

    Research: Learn about the OpenX's mission, values, products, and the specific job requirements and get further information about

    Other Openings

    Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

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    By following these tips, you can increase your chances of making a positive impression and landing the job!

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