Fullstack C# Developer (m/f/d)

Optimus Search; Ahlen; Vor Ort; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A leading energy-efficient company in Germany is seeking a Senior Fullstack .NET Developer to design and document new software architecture while migrating legacy systems to modern cloud platforms. The ideal candidate has experience with C#.NET, Angular, and a strong focus on code quality and test-driven development. Fluency in German and English is essential for this role that offers excellent career progression opportunities.

Qualifikationen

• Experience in fullstack development in cloud environments.
• Operational responsibility in team settings.
• Ability to manage system interfaces and collaborate with cross-functional teams.

Aufgaben

• Design and document the architecture of acquired products.
• Migrate components from legacy systems to cloud platforms.
• Develop and manage modern, resilient system architectures.

Kenntnisse

Software engineering in a cloud environment

Domain-Driven Design (DDD)

Code quality focus

Test-Driven Development (TDD)

Fluent German (C1)

Strong English skills (C1)

Tools

C#.NET 9

ASP.NET Core

EF Core

Angular 19

RxJs

NgRx

REST

Microservice Architecture

Azure

Jobbeschreibung

2 days ago Be among the first 25 applicants

Optimus Search has partnered with one of Germany’s leading energy-efficient, product-based companies, dedicated to reducing CO₂ emissions and building a more sustainable future. Following a period of strong market success over the past five years, the company is now undergoing hypergrowth, offering exceptional career progression opportunities.

They are currently looking for Senior Fullstack .NET Developers to join their next-generation teams, focusing on migrating legacy systems and developing a new software architecture using the latest .NET 9. The company operates from three locations in Germany: Ahlen, Bremen, and Cologne.

Your tasks as a Senior Fullstack Developer:

• Designing, developing, and documenting the architecture of a recently acquired product and integrating standard software solutions.
• Extracting components from legacy systems and migrating them to modern, cloud-based platforms.
• Managing system interfaces in close collaboration with cross-functional teams.
• Fullstack development with C#.NET 9, ASP.NET Core, EF Core, Angular 19, RxJs, NgRx, REST, Microservice Architecture, and Azure cloud services.
• Creating loosely coupled, resilient system architectures.

What we expect from a Senior Fullstack Developer:

• A passion for software engineering in a cloud environment.
• Experience with Domain-Driven Design (DDD).
• A strong focus on code quality and test-driven development (TDD).
• A willingness to take operational responsibility within your team.
• Fluent German (C1 level) paired with strong English skills (C1 level).

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering, Information Technology, and Administrative

• Industries

  IT System Custom Software Development

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