
Senior Data Scientist
CI&T
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇵🇹 Portugal
Visit company websiteJob Level
Senior
Tech Stack
AWSAzureBigQueryCloudGoogle Cloud PlatformPandasPythonScikit-LearnSQL
About the role
- Understand complex business challenges and translate them into data science problems.
- Explore, analyze, clean, and model structured and unstructured datasets from various sources.
- Design and implement machine learning models, statistical tests, and optimization strategies.
- Conduct experimentation using A/B testing, uplift modeling, and simulation frameworks.
- Deliver Proof-of-Concepts and production-ready models within Agile and cross-functional teams.
- Create and present data storytelling insights for both technical and business stakeholders.
- Contribute to model explainability, fairness, and responsible AI practices.
- Stay updated on academic and industry research, and promote innovative solutions.
Requirements
- Proficiency in Python (pandas, scikit-learn, statsmodels, etc.) and SQL.
- Experience building and validating ML models: regression, classification, clustering, dimensionality reduction, forecasting.
- Strong knowledge of data wrangling, feature engineering, and statistical hypothesis testing.
- Experience with cloud platforms (AWS, Azure, or GCP) and scalable data/ML tools (e.g., Databricks, BigQuery, SageMaker).
- Familiarity with Git and experimentation frameworks.
- Experience with model deployment and integration into digital products or services.
- Business acumen and a consulting mindset to help translate insights into impact.
- Advanced communication skills in English (written and spoken), able to work in multicultural teams.
Benefits
- Competitive Salary
- Generous paid vacation days
- Generous sick time
- 100% paid health & dental benefits starting day one
- Annual profit-sharing distribution
- Paid parental leave
- Dedicated career advisor
- And so much more…
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
PythonSQLmachine learningregressionclassificationclusteringdimensionality reductionforecastingdata wranglingstatistical hypothesis testing
Soft skills
business acumenconsulting mindsetadvanced communication skillscollaborationdata storytellingmodel explainabilityfairnessresponsible AI practices