Yosh.AI is an international deep-tech company creating solutions based on Artificial Intelligence. Our main areas of expertise are voice & text assistants and products like visual search and recommendation engines. We support international companies such as CCC, LPP, MediaMarkt or Frisco in the retail and in the Financial sector Santander and Aviva. We are a global Google partner, working together on most innovative projects within Conversational AI. Forbes UK nominated Yosh.AI as a company that revolutionises the future of retail. We are winners of multiple prestigious international awards.
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Under the support from the National Centre for Research and Development NCBR, we have received a research fund of ~PLN 20 mln to develop state of the art technology within conversational AI. Our partner in this project is the Polish Academy of Sciences. At Yosh.AI, we have an informal work culture based on a passion for discovering new solutions, which drives the success of our clients. We aim at being the world leader in conversational AI. We are looking for unique, ambitious and positive people who want to conquer the global market with us.
Speech Scientist - Voice synthesis TTS (senior)


  • Master’s Degree in Statistics, Machine Learning, Computer Science or related field preferred
  • Hands-on experience with audio processing and development of TTS
  • Solid knowledge of various DL architectures, especially in audio/speech/text domain
  • Strong skills in software development (Python)
  • Experience with Deep Learning frameworks (PyTorch, TensorFlow)
  • Eager to learn

Scope of work:

  • Development of speech recognition module (Polish)
  • Training DL models, testing, evaluation, optimization, deployment
  • Research and implement novel approaches
  • Personalization of the generated voice

Nice to know:

  • NLP, ASR, NLU, computer vision
  • Chatbot design and development
  • Google Cloud Platform

Our requirements:

  • Availability: full-time (40 hours per week)
  • Good command of spoken and written English (level B2/C1)
  • Goal orientation, independence, determination
  • Proactive approach - thinking out of the box

We offer:

SALARY RANGE 9k - 15k PLN (depending on the skills and experience)

  • Private Medical insurance - PZU Zdrowie
  • Multisport Plus package
  • Opportunity for professional development in a deep-tech company
  • Hybrid or remote location - our office is located in the center of Warsaw
  • Cooperation with a great team of energetic and open-minded people

For interested applicants, please send your CV* to:

[email protected] [remote recruitment]

* Please add in your CV the following: “I agree to the processing of personal data provided in this document for realising the recruitment process pursuant to the Personal Data Protection Act of 10 May 2018 (Journal of Laws 2018, item 1000) and in agreement with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation).”