Senior Software Developer – C# / .NET (m/f/x)

Optimus Search; Wiesbaden; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading automation and security technology company in Wiesbaden is seeking a Senior Software Developer specializing in C# and .NET. In this role, you'll design and implement new features, optimize existing software, and work collaboratively within a team. The position offers a flexible hybrid work model, requiring just one day on-site per week, and values innovation and quality. Strong communication skills in German (C1) and a degree in Computer Science or related field are essential for candidates.

Leistungen

Flexible hybrid work setup

Collaborative team environment

Professional growth opportunities

Qualifikationen

• Strong professional experience with C# / .NET (version 8.0).
• Solid understanding of WPF and/or ASP.NET frameworks.
• Strong sense of ownership, quality, and attention to detail.

Aufgaben

• Design, architect, and implement new software features.
• Refactor and optimise existing codebases for scalability and maintainability.
• Develop and integrate new device interfaces.
• Conduct code reviews and uphold best practices within the team.
• Participate in internal guilds (architecture, QA, DevOps, documentation, and product).
• Analyse and resolve software issues, ensuring reliability and high performance.

Kenntnisse

C# / .NET

WPF

ASP.NET

German (C1 minimum)

English proficiency

Ausbildung

Degree in Computer Science or a related IT field

Jobbeschreibung

Senior Software Developer – C# / .NET (m/f/x)

Language Requirement: German (C1 minimum)

About the Company

Our client is a recognised leader in automation and security technology, developing cutting‑edge software and hardware systems for industrial and commercial environments. Their solutions enable smarter, safer, and more efficient operations across modern infrastructures. The company fosters a culture of collaboration, technical excellence, and continuous innovation.

Your Responsibilities

• Design, architect, and implement new software features.
• Refactor and optimise existing codebases for scalability and maintainability.
• Develop and integrate new device interfaces.
• Conduct code reviews and uphold best practices within the team.
• Participate in internal guilds (architecture, QA, DevOps, documentation, and product).
• Analyse and resolve software issues, ensuring reliability and high performance.

Your Profile

• Degree in Computer Science or a related IT field.
• Strong professional experience with C# / .NET (version 8.0).
• Solid understanding of WPF and/or ASP.NET frameworks.
• Strong sense of ownership, quality, and attention to detail.
• Excellent communication skills in German (C1 minimum) and good English proficiency.

Why Apply

• Join a forward‑thinking tech company leading digital transformation in automation and security.
• Work in a flexible hybrid setup with just one on‑site day per week.
• Be part of a collaborative team that values innovation, quality, and professional growth.

If you’re an experienced .NET developer looking for a technically challenging role with real impact, we’d like to hear from you.

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Information Technology

Industries

• Software Development and IT System Custom Software Development