Zagreb, Croatia

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Koios develops analytical solutions for large corporate clients in the financial industry. We work on projects in the field of data integration, data science, reporting, and developing on-premise and cloud applications. We have offices in Zagreb and in London. When it comes to business intelligence (BI) and data science, we work with IBM, Oracle, SAS, Microsoft, and other technologies. For developing applications, we use the Microsoft .NET platform. For years now, our clients have recognized the hard work our employees invest in making their ideas and creativity the driving force for progress. Apart from developing partner relationships with our clients, we are committed to building partner relationships with our employees too within which an employee stock ownership program has been developed.

About the position

  • Modeling and development of reporting and analytical systems
  • Design and development of big data storage systems
  • Analyzing business processes in the financial industry
  • Communicating with clients and understanding their analytical needs
  • Researching new technologies related to data analysis


  •  Graduate degree or higher in Computer Science or Mathematics
  • Advanced knowledge of relational databases and SQL
  • Strong analytical skills
  • Desire for continuous learning and improvement
  • Developed business communication skills
  • Advanced knowledge of English language


  • knowledge of Oracle DB, PL/SQL, Oracle Data Integrator, Informatica , IBM Cognos
  • Experience in working with Big Data platforms (Hadoop, Spark, Kafka, Hive, Sqoop, etc.)
  • Experience in working on IT projects in the banking industry

What we offer:

  • Systematic career development through mentorship, professional development, and certification
  • Encouraging and stimulating working environment
  • Attractive packages and perks
  • Flexible working hours, off-days and annual leave management, personally designed benefit package
  • Full-time employment contract