Java/Spark Big Data Developer

Java/Spark Big Data Developer 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 🚗 As a Java Developer, you will: 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 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 The recruitment process for the Java Developer position has following steps : Technical survey ~ 10min Technical screening - 30 min Technical interview - 1h-2h If you think you’re a good fit, but don’t meet all the qualifications, let’s talk! Department Comscore Locations Ruska 3, Wrocław (near pl. Solny) Remote status Fully Remote Ruska 3, Wrocław (near pl. Solny) Products We strongly believe that working on a specific product for longer period of time has a lot of benefits. Person working in such environment where deep understanding of a product, technology in a stable environment can render great ideas, improvements and benefit everybody. No switching projects every three months, no new manager every three months, no new customer every three months. Craftsmanship Everyday we learn something. It's great when you can not only learn but use that knowledge to build great stuff and grow yourself. We are big fans of excellence and technical craftsmanship. No excuses to avoid CI, tests, QA, best practices. It's true that shipping is the most important thing, but in the end, it's your name on it, let's make it right way. Stable and Flexible Environment to Grow As practice shows, small teams are best to achieve best results and we are big fans of that approach. It's easier to agree on holidays, specific time to work, plan your time to take children from school. It's easier to agree on technical solutions and easier to communicate. With all that and bunch of extra smaller things like private healthcare, trainings, flexible working hours, fully remote or office options, employment of B2B type of work, lawyer/accountant help we are creating stable and safe environment for you to grow not only on a technical level, but also as a person. Technical Autonomy We trust you. All teams have the autonomy to pick best solutions, best software, best approach for problem solving. No crazy managers to tell you that mongodb is a must or everybody must work in vim. We want you to support you on the road to technical excellence and avoid artificial blockers. All structures are as flat as possible and all decision making is as close to the core as possible. I hope you enjoy this a lot. Workplace & culture We really love to make working software products. We are small teams that are focused on specific products. Each of us contributes to project we like the most and with trust, independence and autonomy, hands-on approach and great software craftsmanship we shape the future. About Correct Context Correct Context is about gathering together best IT Developers, UX and UI Designers, Product People and Ambitious Product Companies to build and grow Greatest Products that matter.