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Lumini IT Solutions logo
Lumini IT Solutions

Transformando negócios através da tecnologia! ☁️💡

Data Scientist III, Python, SQL, MLOps

Backend EngineerSoftware EngineerContractRemoteSeniorTeam 51-200Since 2008H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

118 days ago

Salary

0

Seniority

Senior

Job Description

Data Scientist III, Python, SQL, MLOps

Lumini IT Solutions

• Design, develop, validate, deploy and evolve analytical and predictive models that deliver measurable business impact. • Structure and lead end-to-end data science initiatives. • Understand business problems and translate them into analytical hypotheses, statistical models and machine learning solutions. • Develop, train, validate and monitor predictive, classification, prescriptive and segmentation models. • Work with large volumes of structured and unstructured data. • Build analytical pipelines and participate in the industrialization/operationalization of models in production. • Define model performance metrics and monitor drift, accuracy, stability and business impact. • Perform data exploration, feature engineering, variable selection and statistical testing. • Support analytical data architecture together with Data, Engineering and BI teams. • Ensure best practices for versioning, documentation, reproducibility and model governance. • Communicate analytical results in an executive, decision-oriented manner. • Act as a technical reference for more junior analysts and data scientists. • Participate in defining the data roadmap, use cases and prioritization of AI and Analytics initiatives.

Job Requirements

  • Bachelor’s degree in Computer Science, Statistics, Mathematics, Engineering, Physics, Economics, Information Systems or related field.
  • Solid experience in data science, advanced analytics or machine learning.
  • Proficiency in Python for data analysis and modeling.
  • Strong knowledge of libraries such as Pandas, NumPy, Scikit-learn, Statsmodels, XGBoost or equivalents.
  • Advanced SQL experience.
  • Strong foundation in statistics, probability, hypothesis testing, statistical inference and predictive modeling.
  • Experience with supervised and unsupervised algorithms.
  • Experience in model evaluation, tuning and interpretation.
  • Familiarity with cloud environments, preferably Azure, AWS or Google Cloud.
  • Experience with notebooks, Git versioning and software development best practices.
  • Experience deploying models, MLOps practices or integrating with data engineering/software teams.
  • Ability to work autonomously, prioritize tasks and maintain a business-oriented mindset.
  • Experience with Databricks, Spark or distributed processing (desirable).
  • Knowledge of MLOps, CI/CD and monitoring models in production (desirable).
  • Experience with NLP, large language models (LLMs), computer vision or generative AI (desirable).
  • Familiarity with visualization tools such as Power BI, Tableau or similar (desirable).
  • Knowledge of modern AI tools and AI Agents (desirable).
  • Experience in consulting environments, multi-client projects or technology companies (desirable).
  • Knowledge of optimization techniques, time series, causality or experimentation (desirable).
  • Technical or advanced English for reading documentation and research articles (desirable).

Benefits

  • Work arrangement: 100% remote (home office)
  • Service engagement of 84 hours per month.

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