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