Junior .NET Developer

About the role

We are looking for a motivated Junior .NET Developer to join our product team at FIO SYSTEMS in Sofia. You will work on enterprise‑grade web applications that support real‑estate, virtual banking and claims‑management processes.

Key responsibilities

• Participate in the development of an enterprise web application.
• Implement new features and fix bugs.
• Refactor and improve code for readability, design patterns and architecture.
• Ensure code quality through unit tests and code reviews.

Required profile

• Practical experience in web development using C# and the .NET platform.
• Experience with relational databases and SQL.
• Familiarity with JavaScript, HTML and CSS.
• Good understanding of design patterns and reusable software design.
• Strong analytical, troubleshooting and problem‑solving abilities.
• Effective teamwork and communication skills, with good written and spoken English.

Required skills

• C#
• .NET
• SQL
• Relational databases
• JavaScript
• HTML
• CSS