Senior Computational Linguist

hace 2 semanas

Madrid, España Sigma Group A tiempo completo

Sigma AI is a global training data collection, preparation and annotation services company. With 30+ years of experience in the data annotation space, we support companies with the right mix of people, processes and technology to train smarter AI that serves humans better.

We're looking a Senior Computational Linguist to collaborate with the Natural Language Processing team on the design and development of AI-based solutions for clients and grant-funded projects.

**Responsibilities**:

- To collaborate with the Sigma AI team in the analysis of customer proposals, preparation of offers, carrying out of tests or pilots and training of the team of annotators or reviewers.
- To configure annotation tools, automatically pre-annotate or generate data if possible, or implement active learning models to accelerate the annotation process, evaluate the quality of projects using quality metrics, and automatically detect errors.

**Requirements**:

- Master’s degree in computational Linguistics or NLP.
- Over 5 years' experience in AI companies, working on text classification projects, NER, relationship detection, question-answering, machine translation, language modeling, automatic transcription and/or dialogue systems.
- Experience in training machine learning models and neural networks.
- Experience in using and fine-tuning transformer-based language models such as BERT and GPT.
- Programming with Python. Linux and Bash scripting.

**Preferred**:

- Knowledge of audio, video and text annotation tools, active learning models and quality metrics.
- Knowledge of Python NLP libraries: NLTK, Scikit-learn, Spacy, RASA and Transformers.
- Acoustic analysis tools such as PRAAT.
- Computer assisted translation (CAT) tools.
- Descriptive and inferential statistics.
- Experience in annotation projects.
- Knowledge of linguistic typology.

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