Posted Jul 12, 2026

Big Data Engineer (Spark or Flink + Scala/Kotlin/Java)

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Correct Context is looking for a Big Data Engineer (Spark or Flink + Scala/Kotlin/Java) 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 at petabyte scale 🚀 An international environment (US, PL, IE, CL) 🌎 A small, independent team working environment 🧑‍💻 High influence on the working environment Hands-on engineering work Flexible work time ⏰ Fully remote or in-office work in Wroclaw, Poland 🏢 18,000 - 25,000 PLN net/month B2B 💰 Private healthcare (PL) 🏥 Multikafeteria (PL) 🍽️ Free parking (PL) 🚗 As a Big Data Engineer, you'll: Design and build end-to-end big data processing pipelines and client-facing HTTP APIs that serve the data Develop and debug petabyte scale systems with Scala ZIO/Tapir and Spark/AWS/EMR/Airflow/Iceberg/Trino/Superset/PostgreSQL/Redis Conduct proofs of concept for enhancements The candidate must have: Strong experience debugging and optimizing big data pipelines, with a solid understanding of performance characteristics and bottlenecks, plus proven ability to design and build efficient data pipelines using Spark, Flink, or similar tools Strong experience in any JVM language: Scala/Java/Kotlin Experience building systems in AWS or another cloud No language barrier in English to work effectively in an international team Proficiency in communicating technical design concepts and choices If you do not have all the qualifications, but you think there is a match, let's talk. The recruitment process for the Big Data Engineer position has the following steps: Technical survey - about 10 min Technical screening - 30 min Technical interview - 60-90 min Interview with manager (optional) - 30-60 min