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Fourth

.NET Developer – Mid/Senior

Fourth

C#/.NET Developer responsible for developing software applications for Fourth's hospitality management technology solutions. Involves Agile teamwork, design, development, testing, and maintenance of software systems.

Posted 5/2/2026full-timeSofia • 🇧🇬 BulgariaSeniorWebsite

Tech Stack

Tools & technologies
AngularASP.NETAzureJavaScriptSQL

About the role

Key responsibilities & impact
  • Working in an Agile environment, where team work is always recognized and appreciated.
  • Design, develop and unit test solutions of any size or complexity
  • Produce clean code
  • Become part of a fast-moving team where quality always comes first
  • Understand all of Fourth’s products in detail, how they are integrated with each other, and their business value
  • Diagnose defects and provide effective solutions.
  • Provide development estimates, be a part of planning sessions
  • Understand and support the release management process

Requirements

What you’ll need
  • 3+ years of experience with .Net Framework C#
  • 3+ years of experience with ASP.Net (Web Forms and Web Services)
  • 3+ years of experience with SQL and T-SQL (stored procedures, functions)
  • 3+ years of experience with frontend technologies - HTML, CSS3, JavaScript, Angular
  • Experience with unit testing
  • Good understanding of GIT
  • Good understanding of Azure DevOps
  • Fluent in English
  • Strong AI skills are a great benefit

Benefits

Comp & perks
  • 25+ days off, as well as birthday day off and 4 charity days off per year
  • Flexible start and end of the working day and hybrid working mode, including a combination remote and in the office
  • Team-centric atmosphere
  • Encouraging healthy lifestyle and work-life balance including supplemental health insurance
  • New parents bonus scheme

ATS Keywords

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Hard Skills & Tools
.Net FrameworkC#ASP.NetSQLT-SQLHTMLCSS3JavaScriptAngularunit testing
Soft Skills
teamworkquality focusproblem-solvingcommunicationplanning