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Astek Logo Astek · IT - Software Development

Hadoop / Big Data Developer

Poland, Warsaw B2B · Job Posted April 11, 2026
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Job Description

We are currently looking for a candidate for the position of Hadoop / Big Data Developer (he/she) for our client from the banking industry.

Job Responsibility

  • 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

  • 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

What we offer

  • Long-term collaboration
  • Technical training, certifications, and skills development
  • Competence Center mentoring
  • Clear career path
  • Employee benefits package (Multisport, private healthcare, life insurance)
  • Friendly working atmosphere, team-building events, and team-building meetings
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