Senior Data Engineer (ClickStream)

Get on board with B3! As Polish outsourcing company with Scandinavian roots, we particularly appraise values such as Scandinavian energy, logic, experience and freedom, this all comes in a Scandinavian work culture. Our "CARE" philosophy is not just a word - it is a way of thinking. We take care of your needs, adapt solutions and take appropriate care of everything. B3 Consulting Poland is not just a workplace, it is a community of enthusiastic people If you want to be part of our crew, we invite you on a journey to a galaxy far, far away We are currently looking for Senior Data Engineer to create a leading digital innovation center in Poland with us. Areas of the project:Develop and maintain robust, scalable streaming data pipelines (primarily clickstream), enabling real-time and batch data processing.Design and implement data solutions for Self-Service Analytics, supporting business users with accessible, reliable data.Monitor, optimize, and ensure data quality and integrity across pipelines and analytics solutions. What do you need to have to join us:Must haves:Strong proficiency in Python (~60% of work) and Scala (key for streaming pipelines); Java/Kotlin are less relevant but JVM familiarity is a plus.Experience in building and maintaining streaming pipelines (e.g., Apache Beam, Dataflow, or similar).Deep knowledge of Google Cloud Platform – especially BigQuery, Composer, and Dataflow.Expertise in SQL and DBT (essential for Self-Service Analytics).Solid understanding of data modeling and cloud data warehouse architecture.Experience with Spark or PySpark (not necessarily in a Hadoop environment).Familiarity with Linux/Unix and Docker.Proficient in Git or similar version control systems.Adherence to software development best practices (Clean Code, CI/CD, code reviews).Interest in emerging technologies (Generative AI, LLMs, Copilot).Teamwork, autonomy, and proactive attitude.English at B2 level, Polish at C1 or better.You have to be eligible to work in Poland (citizenship, residency, work permit or local self-proprietorhsip)Nice to haves:Apache Beam and Scio (must have for streaming pipelines, but can be learned if not already known).Terraform or other IaC tools.Spring Framework Pandas, NumPyFamiliarity with medalion architecture (would be a strong plus) On board with B3 you will receive: Health and sports benefits tailored to your needs Free running and swimming training, internal triathlon team, joint competitions (Warsaw) Tailor-made development activities to deepen expert knowledge Cyclical initiatives allowing development in IT fields other than the current oneApply today Originally posted on Himalayas

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