Fullstack C# Developer (m/f/d)

Optimus Search; Ahlen; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A leading energy-efficient company in Germany is seeking a Senior Fullstack .NET Developer to join their rapidly growing team. This exciting role involves migrating legacy systems and developing a modern software architecture utilizing the latest advancements in .NET. The ideal candidate will have a strong passion for software engineering and a commitment to high-quality code, while also possessing fluency in both German and English.

Qualifikationen

• Experience in cloud environments and a passion for software engineering.
• Strong focus on code quality and test-driven development.
• Fluent in German and English (C1 level).

Aufgaben

• Designing and documenting software architecture for new products.
• Migrating components from legacy systems to cloud platforms.
• Fullstack development with modern .NET technologies.

Kenntnisse

Cloud Environment

Code Quality

Test-Driven Development

Domain-Driven Design

Software Engineering

English

German

Tools

C#.NET 9

ASP.NET Core

EF Core

Angular 19

RxJs

NgRx

REST

Microservice Architecture

Azure

Jobbeschreibung

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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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