Junior .NET Developer
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Sep 28, 2026.
With over 2,500 employees the Hypoport group forms a network of tech companies for the credit, real estate, and insurance industry. As part of the Hypoport Group, we enjoy the flexibility and independence of a mid-sized company with the opportunities and benefits provided by a German-listed corporation.
We are currently looking for a skilled and passionate Junior .NET Developer to become part of one of our product teams at FIO SYSTEMS!
FIO SYSTEMS AG has been part of the Hypoport Group since 2018 and specializes in providing web-based business software solutions. Its products cover all processes in the areas of real estate management and marketing, virtual banking, and claims management. FIO was established in 1999 in Leipzig and opened its office in Sofia in 2002. Today, FIO creates high-value products and values open-minded people with enthusiasm for innovation and high-quality solutions.
If you are passionate about technology and want to be part of our dynamic team - we look forward to your application!
The role:
You’ll join one of our cross-functional teams in Sofia, responsible for a specific domain of our trust fund platform used by banks and corporate clients across Germany.
Our development stack includes C#, ASP.NET, MS SQL Server, HTML, CSS and JavaScript.
You’ll work on both the backend and frontend of an established system that we continue to develop and modernize over time.
Your responsibilities:
- Participating in the software development of an enterprise web application
- Implementing new features
- Fixing bugs
- Refactoring and improving code in terms of readability, design patterns, and architecture
- Ensuring code quality with unit tests and code reviews
What we expect:
- Practical еxperience in web development with C# and .NET
- Practical experience with relational databases and SQL
- Knowledge of HTML, CSS and JavaScript
- Good understanding of design patterns and reusable software design approaches
- Passion for writing clean, maintainable, and readable code
- Solid troubleshooting, analytical, and problem-solving skills
- Teamwork and good communication skills
- Good written and spoken English