[Job-29597] Senior Data Scientist , Brazil

Ci&T · Brazil

Lever Posted Jun 3, 2026 First seen Jun 3, 2026
We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

==> Only CV in English will be consider
==> Only Fluent English - C1 or higher speakers will be consider

We are looking for a Senior Data Scientist to join a global retail and consumer goods company. This professional will be responsible for leading Machine Learning and Analytics initiatives, from identifying business opportunities to deploying and supporting production-ready solutions.

Key Responsibilities

Discovery & Solution Definition

  • Understand business challenges and translate them into analytical and technical hypotheses.
  • Partner with Product Owners and stakeholders to define data and AI products.
  • Evaluate the most suitable solution consumption model (real-time, batch, dashboards, APIs, or insights).
  • Support the definition of business rules and requirements for Machine Learning products.

Development & Deployment

  • Perform exploratory data analysis (EDA) and validate hypotheses.
  • Design and develop Machine Learning models and experimentation pipelines.
  • Define data architecture, algorithms, and product evolution roadmaps.
  • Implement, test, optimize, and review model and pipeline code.
  • Establish deployment, orchestration, and monitoring processes for production models.
  • Support solution maintenance and continuous product improvement.

Communication & Results Management

  • Present results and recommendations to business stakeholders and leadership teams.
  • Define success metrics, benchmarks, and performance indicators.
  • Gather and incorporate stakeholder feedback to continuously improve solutions.

Technical Leadership

  • Lead technical discussions and prioritize initiatives.
  • Mentor data scientists and support the team's technical development.
  • Promote best practices in development, governance, and documentation.

Business Partnership

  • Translate technical outcomes into measurable business impact.
  • Collaborate closely with Product, Engineering, Operations, and Commercial teams.
  • Stay current with market trends, innovation, and emerging technologies applicable to the business.

Requirements

Must-Have Qualifications

  • Strong experience in Data Science, Machine Learning, or related fields.
  • Strong proficiency in Python or R and Machine Learning libraries/frameworks.
  • Solid knowledge of statistical modeling, experimentation, and data analysis.
  • Experience developing and deploying Machine Learning models into production environments.
  • Hands-on experience with cloud platforms such as AWS, Azure, or GCP.
  • MLOps concepts and model monitoring, version control, and pipeline orchestration.
  • Strong SQL skills and experience working with large-scale datasets.
  • Excellent communication skills, with the ability to interact effectively with both technical and business stakeholders.
  • Analytical mindset, consultative approach, and results-oriented attitude.

Nice-to-Have Qualifications

  • Experience with Databricks, MLflow, Lakehouse architectures, or similar platforms.
  • Knowledge of Generative AI, Large Language Models (LLMs), and RAG architectures.
  • Experience in retail, consumer goods, or other large-scale data-driven environments.
  • Previous experience providing technical leadership and mentoring team members.
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