As a Data Scientist, you will join the AI Models team at Weni by VTEX, a business unit of VTEX. You will be responsible for researching, developing, and improving machine learning models that power our conversational agents and multi-agent systems. You are driven by curiosity and impact, transforming complex data into tangible improvements in user experience and product performance.
Data Scientist at Weni by VTEX
Remote - Brazil
Requirements
Education
- Bachelor's degree in Computer Science, Engineering, Statistics, Mathematics, or related fields
Experience
- Strong foundation in Statistics
- Proficiency in Python
- Experience using Git for code version control
- Hands-on practice with scikit-learn, pandas, and other data-related frameworks
- Knowledge of Deep Learning
- Experience with cloud services (AWS) for storage, pipelines, and deployment
- Monitoring of performance, data drift, and data quality in production
Skills
- Critical thinking, curiosity, proactive problem-solving
- Clear communication (oral, written, and visual)
- Collaborative work style
- Familiarity with GenAI/LLMs (prompt engineering, fine-tuning, hallucination evaluation)
Responsibilities
- Research, design, and implement machine learning models to improve the performance of conversational agents and multi-agent systems.
- Analyze large datasets to extract insights that guide model improvements and product decisions.
- Work closely with engineers and product managers to bring AI models from prototype to production.
- Continuously evaluate model performance and iterate based on real-world usage and feedback.
- Perform exploratory data analysis (EDA) to uncover hidden structures, anomalies, and relationships in data, informing hypothesis generation and experimental design for conversational AI systems.
Technologies
Pythonscikit-learnpandasAWSGit
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