Best Workplace 2019

Great Place To Work Great Place To Work Europe
Kuba, service
delivery manager

Big Data Developer

Location: Gdańsk, Katowice, Lublin, Poznań, Rzeszów, Warszawa

The challenges waiting for you:

You will work with the team to research and develop server side components to solve complex data cleansing, entity resolution, network graph building and graph querying problems on a very large (Big Data) scale in a highly performant way.  You will additionally need to integrate this solution with other components of the wider programme.



  • Designing and contributing to the implementation of complex algorithms
  • Complex data engineering pipelines
  • Responsible for implementing Scala solutions on Hadoop (Spark) and GraphX (Spark GraphDB), development of Elastic Search components
  • The scale of the system, complexities of social network building, data quality, changing financial crime landscape
  • Identify and develop the technical design documents
  • Developing, iterating and production sing complex data models

Required skills:

  • Data science/engineering background
  • Development experience in Scala, Java, Hadoop, Spark
  • Hands on development experience with Big Data/Parallel Processing
  • Experience in social network analysis and on Google Cloud Platform
  • Any SNA system e.g. SAS Fraud Framework, Palantir, Wynyard, Detica Netreveal will be an advantage
  • Nice to have: knowledge of Elastic Search/Lucene, MongoDB/CouchDB, Hive/Impala/SparkSQL, Sqoop/Flume, Python, R

Why it's worth to join Sii?:

  • You will join the Leader. With over 4 000 specialists, Sii is actually the fastest growing, most successful & undisputed number 1 IT & Engineering services company in Poland!
  • You will work on challenging & fascinating international projects run for hundreds of prestigious customers from various sectors & industries
  • We will guarantee you many career development opportunities, facilitated by our Job changer application which allows you to change a project, the area of your activity or a place of work
  • You will cooperate with the best experts in talented & passionate teams on most advanced cutting-edge technologies
  • You will work in Great Place to Work company with amazing atmosphere and authentic values. You will meet new fantastic friends here!
  • We will support your personal dreams and initiatives within Passion Sponsorship Program and Power Volunteers Program
  • We will invite you to awesome integration meetings, interest groups and meetups
  • You will enjoy comfortable, top class, modernly designed office in the best location

Join us

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Only three steps to join us
Send your application.
Meet us at the recruitment interview.
Take part in the verification of your skills.
Start your adventure with Sii!

Please note that we will contact only selected candidates.

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