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Lead Data Scientist

Brazil, Brasil · Job Posted January 12, 2026
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Job Description

Data scientists at Thoughtworks are responsible for leading and executing data science projects. They employ their profound expertise in statistics, modeling, machine learning algorithms and data mining methodologies. They integrate this expertise with a comprehensive understanding of related domains to render business value and illuminate data-driven insights, facilitating clear and effective decision-making processes. Their responsibilities encompass devising strategies, executing plans, operationalizing solutions and articulating the tangible business outcomes achieved. Collaborating with cross-functional teams is pivotal, as they adeptly convey their discoveries to both technical and non-technical stakeholders. They stay up-to-date with industry advancements, ensure data quality and security, and provide guidance to junior team members. As a data scientist at Thoughtworks, you'll work on a range of projects and leverage deep technical knowledge to solve complex business problems.

Job Responsibility

  • Lead and manage data science projects from inception to completion, including goal-setting, scope definition and ensuring on-time delivery with cross team collaboration
  • Collaborate with stakeholders to understand their strategic objectives and identify opportunities to leverage data and data quality for enabling AI and machine learning
  • Be responsible for the overall AI system design, problem framing and governance, identifying and managing risks and issues
  • Design, develop and implement data science strategies that drive measurable business results
  • Design experiments for the team to rapidly test ideas and assumptions, and identify future courses of action
  • Use quality metrics to select machine learning models that will be deployed in the production environment
  • Communicate technical findings and insights to stakeholders in a clear, easy and concise way, keeping the stakeholders in mind
  • Contribute to the growth of the data science community along with promoting a culture of data literacy within the organization
  • Address ethical concerns and adhere to ethical guidelines using FATTER AI (fairness, accountability, transparency, trustworthiness, explainability, responsibility)
  • Work with CD4ML practices and data versioning tools

Requirements

  • Experience with databricks
  • Experience with statistical modeling, hypothesis testing, machine learning, deep learning, optimization and other data science techniques to implement end-to-end data science projects
  • Understanding about Gen/AI and LLMs
  • Practical knowledge of Google Cloud Platform (GCP) and its core services
  • Experience with R, Python or equivalent statistical/data analysis tools and can write production-ready code
  • Gather and preprocess large volumes of structured and unstructured data from various sources, ensuring data quality and integrity
  • Experience with BigQuery for data modeling, querying, and performance optimization
  • Develop and implement machine learning models, algorithms and predictive analytics
  • Evaluate model performance using appropriate metrics and validate models
  • Interpret and effectively communicate findings and insights to non-technical stakeholders
  • Ensure compliance with data privacy regulations and ethical standards when handling sensitive information
  • Practical knowledge of Machine Learning (ML) concepts and workflows
  • Advanced English is required
  • Understand the importance of stakeholder management and can easily liaise between clients and other key stakeholders
  • Are resilient in ambiguous situations and can adapt your role to approach challenges from multiple perspectives
  • Don’t shy away from risks or conflicts, instead you take them on and skillfully manage them
  • Are eager to coach, mentor and motivate others and you aspire to influence teammates
  • Enjoy influencing others and always advocate for technical excellence while being open to change
  • Are a proven leader with a track record of encouraging teammates in their professional development and relationships
  • Cultivating strong partnerships comes naturally to you
  • You understand the importance of relationship building

What we offer

Learning & Development: career development is entirely up to you, supported by interactive tools, numerous development programs and teammates who want to help you grow

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