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Data Scientist - LLMs
Data Scientist - LLMs
As a Data Scientist at VTEX CX Platform, you will join the AI Models team to research, develop, and improve machine learning models for conversational agents and multi-agent systems. You will be responsible for analyzing large datasets, implementing AI models from prototype to production, and continuously evaluating their performance to enhance user experience and product performance.
About the role
About the Role
As a Data Scientist, you will join the AI Models team at VTEX CX Platform, 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.
What you will do
- 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.
Who you are
- Strong foundation in Statistics.
- Proficiency in Python.
- Experience using Git for code version control.
- Hands-on experience with scikit-learn, pandas, and other data-related frameworks.
- Knowledge of Deep Learning.
- Experience with cloud platforms (AWS) for storage, pipelines, and deployment.
- Monitoring performance, drift, and data quality in production.
- Critical thinking, curiosity, and proactive problem-solving.
- Clear communication (oral, written, and visual) and collaborative teamwork.
- Familiarity with GenAI/LLMs (prompt engineering, fine-tuning, hallucination evaluation).
- Bachelor’s degree in Computer Science, Engineering, Statistics, Mathematics, or related fields.