.NET Developer

Zagreb, Croatia

This job is not available any more.

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

The tasks include data modeling and object modeling, implementing Web API and WCF services, and implementing web and desktop apps. Software solutions are N-tier systems with desktop clients in WPF and/or UWP technology and ASP.NET MVC or ASP.NET Core web application. Experience in C# programming, SQL, client web technologies (HTML, CSS, JavaScript, TypeScript, Angular…) and knowledge of English language at the level of professional literature is an advantage.


  • Graduate degree or higher from FER, PMF, FOI or alike universities in Croatia or abroad
  • Knowledge of the Web API and WCF services, WPF and/or UWP platform, ASP.NET MVC and /or ASP.NET Core platform
  • Knowledge of the MS SQL Server and/or Oracle database is an advantage
  • Strong desire for acquiring new knowledge about the financial industry
  • High level of business communication skills
  • Working knowledge of English language
  • For senior position: minimum 4 years of working experience at similar positions
  • ADVANTAGE: Experience in C# programming, SQL, client web technologies (HTML, CSS, JavaScript, TypeScript, Angular…)

What we offer:

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