Hadoop Big Data Developer

5 dni temu

Łódź, Łódź Voivodeship, Polska Sii Poland Pełny etat

We are looking for an experienced Hadoop / Big Data Developer with the potential to grow into an Expert IT Developer role. You will join the Backend Application Capability Team, which supports key initiatives within the IT/Technology cluster of a client from the banking industry. Our team provides technical expertise across Hadoop/Big Data, Oracle, SQL, and Java technologies, driving data-driven transformation and innovation across the organization.

*Your tasks*

  • Design, develop, and maintain data pipelines and applications using Hadoop and related Big Data technologies
  • Work closely with architects, analysts, and other developers to deliver high-quality, scalable solutions
  • Participate in system design reviews, requirement refinements, and technical discussions
  • Optimize existing processes for performance, scalability, and reliability
  • Ensure code quality through testing, code reviews, and adherence to best practices
  • Collaborate within the Scrum/SAFe team to deliver business value incrementally and continuously

Requirements

  • At least 3 years of experience with Java 8+ and/or Scala
  • Hands-on experience with Apache Spark
  • Proficiency in SQL and Linux Shell scripting
  • Solid knowledge of the Hadoop ecosystem, including: YARN, Sqoop, Hive, Impala, MapReduce, Oozie, etc.
  • Version control and CI/CD tools such as Git, Ansible, Bamboo, or Jenkins
  • Strong understanding of data processing and distributed computing principles
  • Fluent English
  • Residing in Poland required

Nice to have

  • Experience with functional programming principles (Scala preferred)
  • Exposure to real-time streaming technologies, such as Apache Flink or Apache Kafka
  • Familiarity with data analysis and data modelling
  • Understanding of the SAFe Agile framework and Agile delivery principles
  • Experience with cloud environments (AWS, Azure, or GCP)
  • Familiarity with Python for data manipulation or automation tasks
  • Knowledge of monitoring and logging tools (Grafana, Prometheus, ELK stack)

Job no H4D

Benefits For You
Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

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