Software Developer Voice (m/f)

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About us

Lindenbaum is the European leader in technology for telephone- and web conferencing solutions.
Big names use our technology on a daily basis. Our platform brings together hundreds of thousands of people per day. Together with our customers we develop innovative, new ideas and communication services that support a broader digitization strategy of our clients.

What we are looking for

For immediate start we are looking for a Software Developer Voice (m/f) (full time)

We develop and manage a high availability and scalable voice platform. This voice platform is used by our conferencing- and call center applications. Excellent speech- and audio quality, also when used by thousands of participants, is of imminent importance. Of equal importance is load balancing over multiple nodes and data centers located in multiple locations.
For applications we offer an API – e.g. Via MRCP we connect to multiple sub-systems for Speech Recognition (ASR) and Speech Synthesis (TTS) so that new voice portals can be created.

But we want more

Our strategic direction is to integrate with more, market-leading products for Speech Recognition (ASR) and Speech Synthesis (TTS). With our research partners it is our intention to develop our own ASR- and TTS engines. In order to offer Best of Breed solutions, we want to make available different possibilities to our customers. We also facilitate voice application that make use of NLP (Natural Language Processing) and ML (Machine Learning).

That is why we need YOU!

A Software Developer Voice (M/F) with proven experience and a track record in ASR- and TTS products. It would be great if you have knowledge of standard Speech- and ML Toolkits, for instance Kaldi, KenLM, TensorFlow or PyTorchKonzepte. Helpful is your experience with Speech Processing projects and the design of dialogs.
With your own contributions and ideas you create the future of our voice technology - in co-operation with colleagues and research partners. With your expert knowledge you provide consultancy to our customers and research partners.

What else will you like at Lindenbaum:

  • Flat hierarchy, short decision processes and development processes
  • An interesting and varied job in the middle of Karlsruhe
  • Variable labor hours to facilitate the long term combination of your private and professional life
  • Contract of unlimited duration and performance based salary

Submit your resume, together with your earliest possible starting date and salary expectations to: Or simply call us and schedule a meeting with your future colleagues by dialing 0721 480848 611.

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