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Kuba, service
delivery manager

Java Developer-NoSQL database

Location: Warszawa

The challenges waiting for you:

The main goal of the project is to create a new data aggregation system for payment transactions based on the Hadoop platform (MAPR). The new system from the "Big Data - Datalake" category is built in streaming architecture. To build this solution, we decided to use the NoSQL database - MaprDB and Apache Kafka, Avro Schema, Spark – Spark Streaming using the Scala programming language.



  • Participation in the project, which aims to create a new system for aggregating data on payment transactions - "datalake" based on the Hadoop platform (MAPR). The tasks will include:
    • Designing new solutions
    • Development
    • UAT tests and suport
    • Code review
  • Working with tools to ensure adequate data quality and real-time reporting
  • Work for a client from the financial sector, in an international team, in accordance with the Agile - Spotify model methodology

Required skills:

  • Experience in designing and building solutions based on Hadoop technology
  • Good knowledge of Java / Scala, Spark technology
  • Knowledge of NoSQL databases, relational databases and SQL
  • Knowledge of queuing systems
  • Knowledge of MAPR Stack
  • Knowledge of Apache Kafka and Avro
  • Experience in building applications for the financial sector is welcome

Why it's worth to join Sii?:

  • Work on challenging & fascinating international projects run for hundreds of prestigious customers from various sectors & industries
  • Develop your career thanks to many opportunities facilitated by our Job Changer application which allows you to change a project, the area of your activity, or a place of work
  • Cooperate with the best experts in talented & passionate teams on most advanced cutting-edge technologies
  • Broaden your skills by taking part in various internal and external trainings
  • Work in Great Place to Work company with over 4 000 specialists, amazing atmosphere and authentic values. You will meet new fantastic friends here!
  • Get private health care and Multisport card for you and your family, take part in language lessons organized in the office, and join MyBenefit System
  • Fulfil your personal dreams and initiatives within Passion Sponsorship Program and Power Volunteers Program supported by us
  • Take part in awesome integration meetings, interest groups and meetups
  • Enjoy comfortable, top class, modernly designed offices in the best locations

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