Service Layer .Net Senior Developer

On behalf of leading Swiss provider of information technology, consulting, and business process services, JatApp is looking for a .NET Engineer for our team in Kiev on full-time basis.

Company is headquartered in Zurich, Switzerland and Berlin, Germany and specializes in developing business applications with the latest technologies, such as the HoloLens and Surface Hub, as well as its own ERP/CRM/DMS solution.

You will be welcomed to join the dedicated team in Kyiv if you:

  • have a strong understanding as well as knowledge about developing high available, high scalable services using the .Net Framework;
  • have at last five years proved experience in developing for enterprises LOB application service and data layer dealing with high availability, scalability, concurrency problems;
  • have a proved experience in developing scalable state machines as well as queuer and dequeuer;
  • develop the above both on premise and on Azure;
  • are willing to work in a dynamic environment where you will work on extremely cutting the edge technologies as well as standard, sometime outdated, technologies;
  • are ready for regular monthly trips to client’s office in Zurich, Switzerland and first 3 weeks of onboarding period together with the core team in their Swiss office.


  • Develop tier coding, business layer coding, interface development, service development, creation of stored procedures, etc. as applicable for the work package / project;
  • Develop SOA layer deployed on Azure / private cloud / on premise;
  • Develop services integrated with enterprise cache and load balancer ready;
  • IBV and customer specific coding standards, guidelines and best practices;
  • Understand the database concepts and write efficient queries/procedure;
  • Raise clarifications / issues / concerns regarding work output to the lead;
  • Participate in setup activities for required environment setup;
  • Deploy code build in testing environment;
  • Conduct peer review during design, coding and testing;
  • Complete documentation as per the scope;
  • Prepare guidelines and checklist for development and testing activities;
  • Share feedback with developers to check if code is as per requirements;


  • Overall 8+ years of experience in .Net technologies with at least 5+ years’ experience in developing service and data layer both on premise and on Azure services;
  • Should be hands on and proficient in WCF implementations with strong understanding of OOP and design patterns;
  • Mandatory to have hands on design and implementation of de-coupled, performant complex service layer application;
  • Mandatory to have hands on design and implementation of business layer using WCF services;
  • Mandatory to have hands on design and implementation of business layer exposed on Azure as RESTful services;
  • Mandatory to have hands on design and implementation of data layer in SQL server.


  • .Net Programming – C# .Net API
  • WCF / SOA / REST
  • Azure Cloud Services Classic
  • Azure Web API Design and Development
  • Azure Service Fabric Design and Development
  • Azure Mobile Services
  • Rest Services Design and Development
  • Writing Technical Documentation
  • XML
  • English – Upper Intermediate +

What will you get in return?

  • Flexible schedule (starting at 9 or 11 am, 8-hour workday)
  • Friendly team, opportunities to share your knowledge and experience
  • Comfortable office 5 minutes away from metro station
  • Corporate English courses, paid professional development courses

Apply Now


We will get in touch with you soon