Lead.NET Developer (m/f/d)

Salary: 60.000 - 80.000 € per year

Requirements:

Degree in computer science, software engineering, or a related field.

Minimum of eight years as a .NET developer, including five years designing, building, and operating production-grade distributed systems, preferably in IIoT or sensor-based environments.

Exceptional proficiency in C# and modern .NET with a focus on writing high-quality, maintainable code; knowledge of additional programming languages is advantageous.

Strong hands-on experience with Kubernetes and messaging protocols like NATS, MQTT, or Kafka, with a bonus for familiarity with event-driven architectures and distributed stream processing.

Solid understanding of web and mobile technologies, protocols, frameworks, especially Angular, and database persistence solutions.

Deep knowledge of common software design patterns, architectural best practices, and secure API design.

Proactive, hands-on professional with a strong drive to create and innovate.

Fluency in both German and English at a C1 proficiency level.

Willingness to maintain a hybrid schedule with a 50% on-site presence at the headquarters.

Responsibilities:

Architect and implement a secure, cloud-native, multi-tenant asset monitoring platform for distributed fiber optic sensing systems.

Build resilient, secure, and observable data models, platform components, interfaces, and APIs.

Advance the application platform architecture to handle specialized applications like fire detection, power grids, and critical infrastructure monitoring.

Engage proactively with application teams to understand specific domain requirements and technical needs.

Guide the decision-making process by creating concepts, proposing effective solutions, and providing expert technical oversight.

Technologies:

API

Angular

Architect

C#

Cloud

Kafka

Kubernetes

Mobile

MQTT

NATS

Security

Web

ASP.NET

More:

We represent a client looking to hire a successful candidate who will join a team that pushes the limits of physics in measurement technology. We utilize fiber optic cables as sensors and develop advanced measuring devices and software that accurately determine temperatures and acoustic signals along the fiber with meter precision. We offer performance-based bonuses, salary growth, flexible hours, job security, a pension scheme, a company laptop, and meal options, sports facilities, and a job bike. The role follows a hybrid schedule with 50% on-site presence at our headquarters.

last updated 33 week of 2026