WENZEL Elektronik is an innovative, internationally active manufacturer of safety-related communication technology.

There is a good chance that you have already heard railway station announcements using technology from Wenzel Elektronik. Our public address systems for general building technology are also widely used. And even if you haven't noticed it directly, a train you have traveled on has probably already communicated with Wenzel communication devices in use at national and international railroad companies.

Would you like to use your know-how and creativity to develop innovative products in the field of sound reinforcement and telecommunications technology? Are you looking for a varied job where you can actively drive products forward as part of a dynamic, agile development team? Then you've come to the right place. Become part of our team!

To further expand and improve our product portfolio and make it future-proof, we are looking for you as a

Software developer (m/f/d) for VoIP communication systems,
optionally with team leader function

You will be involved in the development, conception and co-design of the latest generation of our public address and VoIP communication systems.
You will develop and integrate software components and interfaces in devices and servers.
You integrate embedded system software into our in-house developed hardware components.
You create and check requirements and specification documents in accordance with valid standards from the areas of public address, VoIP communication and IT-Security (e. g. EN-54-16, SIP, ITU, IEC62443 etc.).
(Optional as team leader) You design, model and implement software architectures for our public address and communication systems.
(Optional as team lead) You organize and lead a development team of 5-7 members in close exchange with the development management and the stakeholders.
(Optional as team leader) You will work on the design and organization of overarching development.

You have successfully completed a degree in computer science or technical computer science or have a comparable qualification.
You are confident in using the programming languages C++ and C.
Professional experience in software development is a plus.
We also value the following technical experience as a plus:
- VoIP and SIP systems (e. g. asterisk), the associated communication stacks (e. g. pjsip) and the corresponding interfaces (e. g. AGI/AMI/ARI),
- inter-process communication with MQTT or RabbitMQ,
- declarative programming and its languages,
- knowledge of Docker and Kubernetes.
You prefer to work systematically, in detail and independently.
You can contribute very well both in the agile development process and in combination with a V-Model.
You are confident in understanding standards and implementing them in products.
You are characterized by a high degree of team spirit and have a committed, reliable, self-reliant way of working.
You have a good understanding of systems and can think outside the box.
You enjoy solving technical challenges, innovation and breaking new ground.
You have a good command of English and optional German.

No job in a quiet little room! In the middle of real life, in constant exchange with colleagues and customers, you have a direct influence and see what you achieve with your work.
The development of products that have a positive impact on society and are also used in future-oriented, sustainable areas (public transport, long-distance transport).
A wide range of tasks from specification to series production.
The advantages of a medium-sized company (scope for creativity, flexibility, high level of personal responsibility) as well as prospects and growth opportunities in an international environment.
Flat hierarchies and friendly, respectful cooperation throughout the company with around 55 colleagues.
A workplace in a modern company building in the district town of Pinneberg near Hamburg, with excellent connections to the public transportation system and the A23 motorway.
An arrangement for mobile working and other benefits.

In the areas of public address and mission critical communication, we can look back on a successful history of over 75 years, primarily with local and long-distance transportation companies.

Customers all over the world value us as an innovative and reliable partner. We develop and manufacture products, plan and integrate them into an overall solution and provide support with migration concepts, testing and acceptance.

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WENZEL Elektronik GmbH

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Software developer (m/f/d) for VoIP communication systems, optionally with team leader function