Speech Engineer

  • Salary
  • Contract Type
    Full Time
  • Location
    Lisbon, Portugal
  • Hours

DefinedCrowd is looking for a Speech Engineer with a committed and energetic character who will help achieve their goals. The candidate is expected to be a critical thinker, reliable and transparent, with an ability to learn and communicate. 


  • Applying your knowledge in Speech Processing to solve and productize challenging problems in a crowdsourcing context
  • Designing, implementing and optimizing speech services on the companies' internal platform
  • Speech (ASR/TTS) Modelling for internal products, as well as external ones partnering with big players in the voice market
  • Participating in integration strategies and application infrastructure required to successfully implement a complete solution and monitoring its performance
  • Working together with Data Engineers and DevOps to create and scale solutions supporting up to 40 Languages
  • Working with other team members (including product team, speech scientists and linguists) in designing, testing and implementing cutting edge speech tools and models
  • Carrying out structured, concise and reproducible data analysis that generates insight on different types of data


  • Background in Computer Science, Computational Linguistics or a related field
  • Software development experience in one or more of the following languages: Python, C#, Java, C/C++
  • Knowledge in data science/machine learning
  • Experience with distributed systems
  • Interest in speech communication science (automatic speech recognition, speech synthesis, speaker detection, etc.)
  •  Experience with toolkits such as Kaldi, HTK, Attila or similar
  • Knowledge in phonetics, speech production, signal processing or related
  • Hands-on experience in deep learning
  • Publications in the area of speech communication
  • Good communication and writing skills.


  • A unique culture, healthy working environment, and a flexible working schedule
  • Excellent career development opportunities in a high growth company
  • Access to an excellent compensation and benefits package
  • An international and diverse team, representing more than 30 nationalities at 4 different locations
  • Global mobility and relocation support with the help of our specialized team
  • Continuous training opportunities through hand-on workshops and formal development opportunities