Java/Spark Big Data Developer Ruska 3, Wrocław

2 tygodni temu

Wrocław, Województwo dolnośląskie, Polska Correctcontext Pełny etat

Correct Context is looking for a Java/Spark Big Data Developer for Comscore in Poland and around.

Please note that this role starting date is Q1 2025. CV screenings should happen within a week or so, and interviews might be scheduled in stages over the next weeks as we progress. This approach allows us to give each candidate the attention they deserve, even if some interview rounds are spread out. We appreciate your patience as we work through this process and look forward to connecting soon

Comscore is a global leader in media analytics, revolutionizing insights into consumer behavior, media consumption, and digital engagement.

Comscore leads in measuring and analyzing audiences across diverse digital platforms. Thrive on using cutting-edge technology, play a vital role as a trusted partner delivering accurate data to global businesses, and collaborate with industry leaders like Facebook, Disney, and Amazon. Contribute to empowering businesses in the digital era across media, advertising, e-commerce, and technology sectors.

We offer:

  • Real big data projects, petabytes scale
  • An international team
  • A small, independent team working environment
  • Flexible work time
  • Fully remote or in-office work in Wroclaw, Poland
  • 18,000 - 25,000 PLN net/month B2B
  • Multikafeteria
  • Private healthcare
  • Free parking

As a Java Developer, you will:

  • Take care of our high-volume (tens of billions of events daily), multi-tenant, and distributed data processing pipelines
  • Develop and maintain Java-based and Spark-based Big Data processing pipelines, ensuring scalability and performance
  • Work with distributed systems, contributing to the design and implementation of backend solutions
  • Collaborate with cross-functional teams to integrate different platforms and ensure smooth data flow
  • Troubleshoot and debug issues to improve overall system stability
  • Participate in code reviews and offer guidance on best practices
  • Debug Java/AWS/Airflow pipelines
  • Help the team to produce better solutions (teaching/code reviews/showing directions)
  • Design high efficient processing pipelines

The candidate must have:

  • Very good understanding of Linux internals (processes/threads, service management, resource allocation)
  • Linux as a daily driver of operations
  • Good understanding of Spark internals and mechanics
  • Knowledge of Iceberg
  • 4+ years of commercial experience with Java
  • Proven ability to debug JVM/Java (hopefully in Spark ecosystem)
  • Ability to design high performance processing pipelines
  • Hands-on, proactive approach
  • Familiarity with CI/CD pipelines and DevOps practices
  • Proficiency in English enables effective communication in an international environment

The recruitment process for the Java Developer position has the following steps:

  1. Technical survey ~ 10 min
  2. Technical screening - 30 min
  3. Technical interview - 1h-2h

If you think you're a good fit, but don't meet all the qualifications, let's talk

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