Data Scientist (Voice/Speech)



Daon is an innovative provider of award-winning biometric identity assurance software products and services focused on meeting the needs of governments and large commercial organizations worldwide.

We are looking for a Data Scientist to join our Voice Research team. This is an exciting time to join our company and a chance to be part of an established and successful product development team.

Your contribution

Work with the latest voice biometric and speech technologies to:

  • Develop and test machine learning algorithms for use in voice authentication solutions including speaker identification, anti-spoofing and speech recognition.
  • Set up tests and protocols to configure and evaluate current state-of-the-art speech processing systems.
  • Utilize and extend existing company’s common code and libraries.
  • Understand, implement, and extend the latest algorithms from the scientific speech community.
  • Create solutions to detect voice presentation attacks & prevent fraud.
  • Quickly prototype proof-of-concept solutions and port them to product.
  • Apply and grow your expertise in AI, machine learning, and audio signal processing.

Ideal Candidate will have

  • Bachelor’s degree in Computer Science, Engineering, a Maths related field, or equivalen (PhD or Masters degree is a bonus)
  • Strong analytical and problem-solving skills.
  • Ability to work independently and as a member of a team
  • Strong desire to continuously learn and grow
  • Good verbal and written English
  • Desire to learn new skills in voice research and development.
  • Experience in developing & training complex state-of-the-art algorithms.
  • Machine learning and signal processing background.
  • Proficiency in Python (application code & notebooks).
  • Experience with Deep Neural Network frameworks such as Pytorch or Tensorflow.
  • Working knowledge of speech libraries & toolkits, such as SpeechBrain and Kaldi, is an advantage.
  • Experience with C++ and deploying machine learning models in a C environment is a bonus.
  • Experience with Deep Neural Network systems optimization including knowledge distillation, and working knowledge of latest C++ Machine Learning libraries is a bonus.

Don't worry if you don't tick all the boxes, we are flexible with requirements. At Daon, we know that ability comes in different shapes. We value passion, dedication, and a willingness to learn. Please consider applying if your experience is close to what we are looking for, as we believe that diversity is a fundamental strength.

We offer

Flexible work environment

  • Hybrid approach – work from home or office
  • Modern new office in the city center in Belgrade
  • Working hub in the center of Novi Sad

Health & Wellness

  • Full-covered medical insurance for you and your family
  • Fitpass Card
  • Company-sponsored life insurance

Learning & Development

  • Support in personal & professional skills development through internal and external education

Great Culture

  • Organized Sport&Social Club and company events
  • Supportive and friendly people
  • International working environment

Selection process

  • Qualified applicants will be invited to schedule a 45-minute introductory call with HR Business Partner
  • Candidates selected for 2nd round interview will then be invited to a series of practical interviews with members of the team
  • Successful candidates will be selected and contacted with an offer to join our team

Come join the team that is changing the way biometrics and identity authentication operate globally!


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