C# Backend Developer (m / f / d)

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

Zusammenfassung

A forward-thinking IoT company in Germany is seeking a Backend .NET Developer to enhance their cloud-native IoT platform. You will develop efficient backend services, take ownership of projects, and collaborate closely with data scientists and frontend developers. The ideal candidate has at least 2 years of experience in C# and ASP.NET Core, strong database skills, and advanced German language abilities. Join a dynamic team focused on reducing energy consumption to help achieve net-zero climate goals.

Qualifikationen

• 2+ years of proven experience in developing backend applications using C# and ASP.NET Core.
• Strong proficiency with databases.
• Advanced German language skills (B2 level or higher).

Aufgaben

• Develop scalable, reliable, and efficient backend services for our cloud-native IoT platform.
• Take ownership of functional areas or services throughout the development lifecycle.
• Shape system architecture and select suitable frameworks and technologies.
• Work closely with data scientists to optimize algorithms impacting user experience.
• Collaborate with frontend developers to create customer-focused applications.

Kenntnisse

C#

ASP.NET Core

Databases

Complex algorithms

Domain-Driven Design (DDD)

Event-driven architectures

Kafka

Azure Event Hub

MQTT

German (B2 level)

Jobbeschreibung

About us

Optimus Search is working with a forward‑thinking IoT company in the energy sector that's developing technology to help reduce heating energy use in both new and existing buildings. Their product plays a key role in helping customers reach net‑zero climate goals. They're looking to hire a Backend .NET Developer to support their growing team. As a Microsoft Gold Partner, they work with modern tools and technologies, and this role offers the chance to develop solutions in a cloud‑based environment.

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Tasks

Develop scalable, reliable, and efficient backend services for our cloud‑native IoT platform.

Take ownership of entire functional areas or services and guide them through the full development lifecycle.

Actively shape system architecture and select the most suitable frameworks and technologies.

Work closely with data scientists to optimize and implement algorithms that directly impact the user experience.

Operate in a state‑of‑the‑art technology environment with ASP.NET Core and IoT infrastructure.

Collaborate with frontend developers to create customer‑focused applications for multiple platforms.

Profile

2+ years of proven experience in developing backend applications using C# and ASP.NET Core.

Strong proficiency with databases.

Passion for implementing and optimizing complex algorithms.

Experience in Domain‑Driven Design (DDD) and event‑driven architectures.

Hands‑on experience with messaging technologies such as Kafka, Azure Event Hub, and MQTT in production environments is an advantage. xbzrezb

Advanced German language skills (B2 level or higher).