About usOptimus Search has partnered with one of
Germany’s leading product-based companies focused on energy
efficiency and the reduction of CO₂ emissions, contributing to a
more sustainable future. Due to significant success over the past
five years, the company is currently in a phase of hyper-growth,
offering a clear path for career advancement. They are now seeking
Fullstack .NET Developers to join newly formed teams responsible
for modernising legacy systems and building a new software
architecture using the latest .NET 9 technology. The company has
offices in Giessen, Koblenz, and Berlin.TasksDesign, develop, and
document the architecture of a newly acquired product and integrate
standardised software solutions.Extract components from a legacy
system and migrate them to modern, cloud-based platforms.Coordinate
and manage system interfaces in collaboration with cross-functional
teams.Engage in full-stack development using C#.NET 9, ASP.NET
Core, EF Core, Angular 19, RxJS, NgRx, REST, microservices, and
Azure cloud services.Develop loosely coupled, resilient
architectures designed for long-term scalability.ProfileA passion
for software engineering in a cloud-native environment.Hands-on
experience with Domain-Driven Design (DDD).Strong focus on code
quality and test-driven development (TDD).Excellent communication
skills.Willingness to take operational responsibility within the
team.Fluency in German (B1 minimum) and solid English skills (C1
level).