#9924 | 2017-11-14 Warszawa, Poland

BigData Developer (Hadoop)


  • Industry: Finance/Banking.
  • Location: Warszawa/Gdynia/Gdańsk
  • Project language: English (required), Polish.
  • Assignment type: Permanent position.


We are building a new customer account reporting engine to (over the coming years) replace our existing legacy customer account reporting solutions across our home markets. A pre-requisite is that we consolidate all account and payment transaction data in the bank to Hadoop, so we have dozens of data formats and integration points both upstream and downstream.


  • Continuous development of the application and being part of merging the two functionalities into a flexible solution.
  • Design and implementation of a high-performing, flexible, robust, scalable and easily maintainable global reporting solution for the Bank.
  • Solving complex problems on a daily basis.


  • Min. 3 years experience in Java or Scala.
  • Deep understanding of the principles of distributed systems.
  • Commercial experience with distributed systems and Hadoop stack (few months at least).
  • Knowledge and experience with: Apache Spark, Apache Hadoop, Scala, Hive, Oozie, Pig, Sqoop, Impala, Kafka.
  • Experience with NoSQL databases: MongoDB, Cassandra, HBase or similar.
  • Experience with building ETL/ETL pipelines.
  • Production experience with performance tuning of Hadoop/Spark solutions.
  • Familiar with OOD and design patterns.
  • Experience from large-scale system integration projects.
  • Working with RDBMS and knowledge of SQL.
  • Integration towards RESTful and SOAP/OSB-services.
  • Knowledge and experience with web servers such as Tomcat, Jetty or Weblogic.
  • Knowledge and experience with tools like Maven, Git, and the Atlassian suite (Stash/Bitbucket, Jira, Confluence)
  • Hands on experience with Redhat, Linux shell scripting
  • Experience of working with agile methodology will be highly valued.


  • Challenging international projects in a Scandinavian business culture.
  • Transparently built relations based on trust and fair play.
  • Internal reference bonus.
  • Comprehensive training program and education to prepare for this position.
  • Possibility to participate in training programs enhancing your qualifications.
  • An incentive package that includes a medical services package for you and your family, a sports card, catering and cinema tickets funding, a possibility to join a corporate life insurance scheme.
  • Access to Employee Pension Scheme.

Work location: Warszawa, Poland
Requirements: Min. 5 years of professional IT experience.
Job type: Employment

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