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Senior Software Engineer IV (Java/Go) 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.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 month

What we offer:

  • Employment contract (21 250 - 23 750 PLN gross/monthly) OR B2B (167 - 186 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
  • 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
  • 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.
  • 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
  • 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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    Are You Looking for Senior Software Engineer IV (Java/Go) Job?

    Great news! is currently hiring and seeking a Senior Software Engineer IV (Java/Go) to join their team. Feel free to download the 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

    What Is the Average Salary Range for Senior Software Engineer IV (Java/Go) Positions?

    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.

    What Are the Key Qualifications for Senior Software Engineer IV (Java/Go)?

    Key qualifications for Senior Software Engineer IV (Java/Go) 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 IV (Java/Go) Job Success

    OpenX interview tips for Senior Software Engineer IV (Java/Go)

    Here are some tips to help you prepare for and ace your Senior Software Engineer IV (Java/Go) job interview:

    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.

    Dress Professionally: Choose attire appropriate for the company culture.

    Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

    Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

    During the Interview:

    Be Punctual: Arrive on time to demonstrate professionalism and respect.

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    Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

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    Follow Up: Send a thank-you email to the interviewer within 24 hours.

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    Be Yourself: Let your personality shine through while maintaining professionalism.

    Be Honest: Don't exaggerate your skills or experience.

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    Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

    Turn Off Phone: Avoid distractions during the interview.

    Final Thought:

    To prepare for your Senior Software Engineer IV (Java/Go) interview at OpenX, research the company, understand the job requirements, and practice common interview questions.

    Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the OpenX's products or services and be prepared to discuss how you can contribute to their success.

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

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