Java/Spark Big Data Developer

The candidate must have: Linux as a daily driver of operations Good understanding of Spark internals and mechanics Experience with Apache Iceberg (or similar) Proven ability to debug JVM/Java (hopefully in Spark ecosystem) Hands-on, proactive approach If you think you’re a good fit, but don’t meet all the qualifications, let’s talk! Correct Context is looking for a Java/Spark Big Data Developer for Comscore in Poland and around. 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 🚗 The recruitment process for the Java Developer position has following steps: Technical survey ~ 10min Technical screening - 30 min Technical interview - 1h-2h Final Interview - 1h ,[Taking 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 team to produce better solutions (teaching/code reviews/showing directions)., Design high efficient processing pipelines.] Requirements: Java, Spark, Big data Tools: Jira, Confluence, Bitbucked, GIT, Jenkins, Agile, Kanban. Additionally: Small teams, Sport subscription, Flat structure, International projects, Free parking, Free coffee, Modern office, No dress code, Playroom.