Rafal Černiavski

Rafal Černiavski Email and Phone Number

Software Engineer @ Lendo AB
Sweden
Rafal Černiavski's Location
Stockholm, Stockholm County, Sweden, Sweden
About Rafal Černiavski

Machine learning engineer with background in Natural Language Processing (NLP). I mostly work with speech processing, Automatic Speech Recognition (ASR), voice biometrics, and multilingual NLP.

Rafal Černiavski's Current Company Details
Lendo AB

Lendo Ab

View
Software Engineer
Sweden
Website:
lendo.se
Employees:
139
Rafal Černiavski Work Experience Details
  • Lendo Ab
    Software Engineer
    Lendo Ab
    Sweden
  • Conversy
    Machine Learning Engineer
    Conversy Aug 2022 - Present
    Stockholm, Stockholm County, Sweden
  • Readspeaker
    Computational Linguist
    Readspeaker Oct 2020 - Aug 2022
    Uppsala, Uppsala County, Sweden
    Thoroughly tested, improve, and developed Text-to-Speech (TTS) technologies in a variety of languages. Was mostly involved in:— Extensive testing of a Polish TTS;— Validation of transcriptions, phoneme-to-grapheme and grapheme-to-phoneme datasets;— Compilation and pruning a training dataset;— Writing and improving code for normalization.
  • Conversy
    Thesis Internship
    Conversy Jan 2022 - Jun 2022
    Stockholm, Stockholm County, Sweden
    Wrote a Master’s thesis on multilingual Automatic Speech Recognition (ASR) for Scandinavian languages with focus on practical applications. As part of the thesis, I developed a state-of-the-art multilingual ASR model for the Scandinavian languages and tackled the following research questions:— Are monolingual ASR models for the Scandinavian languages transferrable in a zero-shot setting?— Does mutual intelligibility of the Scandinavian languages in ASR models mirror native speakers?— Are ASR models for the Scandinavian languages biased towards the standard speech or dialect?The thesis was later published in the Proeedings of the 24th Nordic Conference on Computational Linguistics (NoDaLiDa). The article can be accessed at: https://aclanthology.org/2023.nodalida-1.46
  • Uppsala University
    Teaching Assistant
    Uppsala University Aug 2021 - Jun 2022
    Uppsala, Uppsala County, Sweden
    Helped first-year students of Language Technology with no prior programming experience excel at Python, Machine Learning, and NLP.Subjects taught: — Programming for Language Technologists — Natural Language Processing — Advanced Programming — Machine LearningDaily tasks involved:— Introducing programming concepts ranging from for loop to threading;— Explaining and exemplifying data structures and algorithms;— Debugging students` code; — Providing feedback and grading reports and code submissions.
  • Telia
    Talent Acquisition Coordinator
    Telia Mar 2020 - Aug 2020
    Vilnius, Lithuania
    Provided quality control of job ads for the Swedish (and other) markets as well as technical support for the Talent Acquisition team. Daily tasks involved:— Proofreading the job ads, correcting the errors, and ensuring the presence of essential information;— Publishing and maintaining the ads on platforms such as LinkedIn;— Handling and helping team members with recruitment through the internal system;— Assisting hiring managers in screening and assessing the candidatesWas additionally involved in projects focused on promoting diversity by de-biasing job ads; that is, making them equally appealing to male and female candidates.
  • Nium
    Customer Service Specialist
    Nium Jun 2019 - Mar 2020
    Vilnius
    Helped customers resolve all sorts of issues via calls, emails, and live chats.
  • Western Union
    Aml Compliance Associate
    Western Union Jul 2018 - Nov 2018
    Vilnius
    Conducted transaction screening and provided support for agents working directly with customers.
  • Telenordi
    Customer Service Representative
    Telenordi Jun 2017 - Nov 2017
    Vilnius
    Provided support for customers in 20 projects over calls, emails, and chats in Lithuanian, English, Polish, and Russian.

Rafal Černiavski Education Details

Frequently Asked Questions about Rafal Černiavski

What company does Rafal Černiavski work for?

Rafal Černiavski works for Lendo Ab

What is Rafal Černiavski's role at the current company?

Rafal Černiavski's current role is Software Engineer.

What schools did Rafal Černiavski attend?

Rafal Černiavski attended Uppsala University, Vilniaus Universitetas / Vilnius University, Vilniaus Universitetas / Vilnius University.

Who are Rafal Černiavski's colleagues?

Rafal Černiavski's colleagues are Matthias Österberg, Danne Lund, Mikaela Grännby, Christian Brander, Leon Hochwälder, Patrik Skatt Bolander, Rasmus Tell.

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