Cortex

Mid-level Data Scientist

Cortex

full-time

Posted on:

Location Type: Remote

Location: Remote • Brasil

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Job Level

Mid-LevelSenior

Tech Stack

NumpyPandasPySparkPythonScikit-LearnSpark

About the role

  • Operational support for new clients;
  • Development of Machine Learning models;
  • Data preparation, exploratory analysis, and data visualization;
  • Model and hypothesis validation;
  • Python programming and code versioning;
  • Communication with internal stakeholders.

Requirements

  • Organized and detail-oriented;
  • Ability to manage commitments and deadlines;
  • Statistics and exploratory data analysis;
  • Feature selection and feature engineering;
  • Machine learning (supervised and unsupervised);
  • Model testing and validation;
  • Python (familiarity with libraries such as matplotlib, pandas, numpy, scikit-learn, etc.);
  • Git;
  • Recommender systems;
  • Spark / PySpark;
  • NLP, LLMs, and Generative AI;
  • Experience with Databricks.
Benefits
  • Meal or food allowance (meal voucher);
  • Gympass / TotalPass (corporate fitness benefit);
  • Vittude (mental health support);
  • Home-office allowance;
  • Flexible working hours;
  • Health insurance and dental plan;
  • Childcare assistance (up to child's 6th birthday);
  • Extended maternity, paternity, and adoptive leave (#allfamiliesmatter);
  • Life insurance;
  • Birthday Day Off (one day off to take on or during your birthday month);
  • Family Day (one day off for parents to take between May and August to enjoy as they wish);
  • Mental Break (one full week off in JANUARY to rest and recharge).

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Machine LearningData preparationExploratory analysisData visualizationModel validationPythonFeature selectionFeature engineeringModel testingNLP
Soft skills
OrganizedDetail-orientedAbility to manage commitmentsAbility to meet deadlinesCommunication