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Afya

Transformar a saúde com educação e tecnologia

Data Science Specialist

Data ScientistData ScientistFull TimeRemoteSeniorTeam 5,001-10,000H1B SponsorCompany SiteLinkedIn

Location

Brazil

Posted

21 days ago

Salary

0

Seniority

Senior

Postgraduate DegreePortuguesePythonPyTorchScikit-LearnSparkTensorflow

Job Description

Data Science Specialist

Afya

• Provide technical leadership and architect end-to-end Machine Learning solutions for Afya's digital products. • Define and lead the experimentation strategy and advanced statistical analysis to optimize engagement, retention, and the impact of product changes. • Act as a Subject Matter Expert (SME) in Generative AI, with a primary focus on evaluation workflows, building Small Language Models (SLMs) and fine-tuning, ensuring safe responses aligned with business objectives. • Influence the product roadmap and other squads (AIOps, AI Engineering) by identifying data-driven opportunities and prototyping new AI solutions. • Establish and promote coding best practices (Python), ensuring the quality and performance of models in production. • Mentor other data scientists (Junior, Mid-level, Senior) on complex technical challenges. • Communicate and defend architectures, technical decisions, and the results of complex models to technical and executive stakeholders.

Job Requirements

  • Postgraduate degree (Master's or PhD) in Computer Science, Engineering, Statistics, Mathematics, or related fields.
  • Advanced, proven experience in Python and its main libraries (e.g., scikit-learn, TensorFlow, PyTorch).
  • Deep knowledge of statistics, experimental design (A/B testing), and causal inference.
  • Extensive experience with traditional Machine Learning techniques (classification, regression, clustering, time series) and knowledge of Deep Learning.
  • Solid experience in developing, fine-tuning, and putting Generative AI solutions into production (focus on LLMs/SLMs).
  • Mastery of the full Data Science lifecycle (MLOps/LLMOps), including architecture, evaluation, monitoring, and model observability.
  • Experience defining and implementing Feature Stores, including best practices for governance, versioning, and feature serving.
  • Hands-on experience with MLflow for model orchestration and versioning.
  • Proficiency with version control tools (Git) and familiarity with CI/CD practices.
  • Advanced English (required for reading scientific articles and technical communication).
  • Preferred: Hands-on experience with Databricks.
  • Preferred: Experience with distributed processing (Spark).

Benefits

  • Meal allowance / meal voucher.
  • Flexible hours and work arrangements (for remote roles).
  • Transport allowance (for hybrid or on-site roles).
  • Profit-sharing (PLR).
  • Multi-benefits: flexible benefit via Flash Card to use as you prefer.
  • Gympass / Wellhub.
  • Psicologia Viva (online platform for psychologist and nutritionist consultations).
  • Health and dental plan.
  • Life insurance.
  • Extended parental leave (up to 6 months for mothers and 20 days for fathers).
  • Rede D'Ór: support and resources for maternal and newborn health with an accredited network of nurses.
  • Partnership with your local SESC (varied programming in education, health, culture, leisure, and social assistance).
  • Birthday Day Off (one day off to take on your birthday or during your birthday month).
  • Platform with various courses to enhance your knowledge (UCA).
  • Language academy (AIA).
  • Leadership development program.
  • Mentoring program for Afya women (MMA).
  • Discounts on undergraduate and graduate courses at Afya's educational units.

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