Develop and enhance backend and middleware components of our control systems
Extend and implement the central application and business logic of our operator and control systems
Design and implement interfaces between PLCs and server-side applications
Work with distributed systems, asynchronous communication and messaging (e.g., MQTT)
Use and integrate network, fieldbus and industry-specific protocols (e.g., PROFINET)
Develop server-side applications as well as client applications for Windows-based operator devices
Model and maintain data structures and data models
Collaborate closely with frontend developers on UI/UX concepts (including occasional UI implementation)
Contribute to architectural decisions and technical concepts across system boundaries
Support documentation, technical coordination and handovers

Requirements

Completed vocational training or degree in software development, computer science, automation engineering or a comparable qualification
Several years of professional experience (approx. 3+ years) in backend or middleware development
Strong knowledge of C#, VB/.NET (e.g., WPF) and openness to other technologies
Experience with distributed systems, interfaces and communication mechanisms
Knowledge of messaging and asynchronous communication (e.g., MQTT)
Basic understanding of network and fieldbus protocols (PROFINET, EtherCAT)
Interest in automated systems (PLC, industrial, building or smart-home environments)
Enjoy translating complex system states into clear frontend representations
Structured, solution-oriented working style
Team player with enthusiasm for close collaboration with software, control and mechanical engineering teams
Good German and English skills, both written and spoken

Benefits

Flexible working hours and the option to work remotely
Personal and professional development opportunities
Attractive additional benefits such as corporate benefits and a company pension scheme
A supportive, respectful working environment with flat hierarchies

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

C#VB.NETWPFbackend developmentmiddleware developmentdistributed systemsasynchronous communicationmessagingdata structuresdata models

Soft Skills

structured working stylesolution-orientedteam playercollaborationcommunicationenthusiasm

Certifications

vocational trainingdegree in software developmentdegree in computer sciencedegree in automation engineering