Sr Data Scientist

Há 3 dias

Sao Paulo, Brasil Truelogic Software Tempo inteiro

**Project Description**:
HR software for the public sector, is currently seeking a remote contract
Data Scientist located in the US or Canada time zones. The Data Scientist will work closely with
a lead Data Scientist on the Business Intelligence team and play a pivotal role in augmenting
product functionality by processing and categorizing user inputted text.

**Responsibilities**:

- Preprocess and clean noisy user-inputted, unstructured text
- Assess quality of labeled training set to establish ground truth
- Train classification models for predicting predefined categories
- Create new subcategories where needed using clustering or similarity matching methods
- Assess quality of model classification and make iterative improvements throughout the
entire modeling pipeline

**Requirements**:

- 3+ years of Python experience, including pandas, NumPy, and scikit-learn
- 2+ years of Natural Language Processing (NLP), specifically various text preprocessing,
embedding, and feature engineering techniques
- Knowledge of pre-trained language models
- Experience with classification model (SVM, Random Forest) and/or clustering models
(hierarchical clustering, k-means, KNN)
- Experience data mining public data to enrich training set through APIs / web scrapers
- Experience collaborating on analytics, data science, machine learning, or NLP projects
- Experience working with large datasets
- Experience contributing to predictive models deployed into production

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