Junior .NET Developer – Sofia

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, banking and insurance processes.

Key responsibilities

• Participate in the development of a large‑scale web application.
• Implement new features based on product requirements.
• Fix bugs and improve existing functionality.
• Refactor code to enhance readability, design patterns and overall architecture.
• Ensure code quality through unit tests and peer code reviews.

Required profile

• Good written and spoken English.
• Strong analytical and problem‑solving abilities.
• Team player with effective communication skills.
• Passion for writing clean, maintainable and readable code.

Required skills

• Practical experience in web development with C# and .NET.
• Experience with relational databases and SQL.
• Knowledge of JavaScript, HTML and CSS.
• Understanding of design patterns and reusable software design approaches.

What we offer

• International team and collaborative environment.
• Flexible working hours and home‑office possibilities.
• Professional development through certifications and in‑house training.
• 30 days paid vacation, health insurance and free meals.
• Modern office with underground parking and fitness facilities.