Hadoop / Big Data Developer (she / he)

Hadoop / Big Data Developer (she / he) Location: hybrid (Gdynia, Gdańsk, Warszawa or Łódź.)  Tasks: • Design, develop, and maintain scalable Big Data solutions using Hadoop ecosystem technologies • Build and optimize data pipelines • Develop high‑quality, efficient, and reusable code using technologies such as Java, SQL, Hive, Spark, and related tools • Work closely with business stakeholders and product owners • Participate actively in SAFe ceremonies, including PI planning, sprint planning, daily stand‑ups, reviews, and retrospectives • Optimize existing Big Data processes and queries for performance and cost efficiency • Collaborate with cross‑functional teams (developers, architects, QA, DevOps) to deliver end‑to‑end solutions • Support deployment, monitoring, and troubleshooting of Big Data applications in production environments     Requirements: • 3+ years of Java 8+ and/or Scala experience • Experience in working in Spark • Knowledge of Linux Shell Scripting • Knowledge of SQL • Knowledge of Hadoop stack (YARN, Sqoop, Hive, Impala, MapReduce Oozie, etc) • Familiar with version control and CI/CD tools (Git, Ansible, Bamboo, Jenkins...)   Nice-to-have skills: • Experience with functional programming techniques & principles – Scala • Experience with Streaming Technologies, such as Flink and Kafka • Familiar with Data Analysis • Familiar with SAFe Agile way of working