Senior .NET & Delphi Software Developer

About the role

Join Hornetsecurity’s fight against cybercrime as a Senior .NET & Delphi Software Developer. You will work on Windows‑based endpoint protection products, creating and enhancing business logic and user‑interface components that keep millions of users safe from malware.

Key responsibilities

• Design, develop, and maintain desktop application components for Hornetsecurity client software.
• Implement new features and improve existing modules using C#/.NET Core and Delphi.
• Perform code debugging, testing, and produce comprehensive documentation.
• Create design specifications based on project input, team discussions and customer feedback.
• Analyse crash dumps and contribute to the improvement of installation and maintenance procedures.

Required profile

• Minimum 3 years of professional experience developing desktop applications with C#/.NET Core.
• Minimum 3 years of experience with Delphi for Windows desktop development.
• Strong understanding of Windows architecture and operating‑system concepts.
• Hands‑on experience with crash‑dump analysis.
• Proficiency with source‑control systems (e.g., Git).
• Fluent verbal and written communication in English.

Required skills

• C#
• .NET Core
• Delphi
• Windows OS development
• Windows architecture
• Crash dump analysis
• Source control (Git)

What we offer

• Innovative environment with freedom to act independently.
• Temporary Employee Exchange Program – work from offices in Berlin, Madrid, Malta, Montréal, Washington D.C., etc.
• Hybrid work setting with flexible hours.
• Team events such as Laser Tag, movie nights, and Foodie Fridays.
• FitKit subscription and private health insurance.
• Unlimited‑duration contracts and a €1,500 referral bonus.