Senior Data Scientist
🇧🇷 Brazil | 🇲🇽 Mexico | 🇦🇷 Argentina | 🇵🇦 Panama | 🇨🇱 Chile | 🇨🇴 Colombia | 🇨🇷 Costa Rica | 🇩🇴 Dominican Republic | 🇪🇨 Ecuador | 🇬🇹 Guatemala | 🇭🇳 Honduras | 🇵🇾 Paraguay | 🇵🇪 Peru | 🇺🇾 Uruguay
Python
Azure
Machine Learning
Large Language Models
Data Science
Analyst
Testing
Senior Data Scientist
from 🇧🇷 Brazil | 🇲🇽 Mexico | 🇦🇷 Argentina | 🇵🇦 Panama | 🇨🇱 Chile | 🇨🇴 Colombia | 🇨🇷 Costa Rica | 🇩🇴 Dominican Republic | 🇪🇨 Ecuador | 🇬🇹 Guatemala | 🇭🇳 Honduras | 🇵🇾 Paraguay | 🇵🇪 Peru | 🇺🇾 Uruguay
We are seeking aSenior Data Scientistwith expertise in Large Language Models (LLMs) and Python to develop AI-powered chatbot solutions for specialized use cases.
The ideal candidate has a strong background in Natural Language Processing (NLP) and Conversational AI, with experience in hallucination prevention, Responsible AI & compliance, and data analysis.
Responsibilities
- Collaborate with cross-functional teams across product, analytics, and engineering to build and optimize a shopping assistant chatbot
- Develop and refine prompt engineering strategies to improve chatbot interactions
- Implement LLM-based agents that integrate with APIs, databases, and external tools through function calling
- Ensure chatbot reliability and hallucination prevention by applying model evaluation techniques
- Work with A/B testing frameworks to evaluate and continuously improve chatbot performance
- Apply Responsible AI and compliance principles to guarantee ethical and regulatory adherence
- Conduct exploratory data analysis to derive insights and create structured requirements for the data engineering team
- Guide cloud engineering teams on the infrastructure needs for AI-powered chatbot solutions
Requirements
- At least 3 years of professional relevant experience in data science
- Expertise in LLMs, including working with OpenAI APIs on Azure
- Strong Python skills for integrating and optimizing AI workflows
- Experience developing AI agents using function calling to interact with external tools and databases
- Knowledge of hallucination prevention techniques to ensure chatbot accuracy and reliability
- Solid understanding of Responsible AI and compliance best practices, including ethical AI guidelines
- Background in Natural Language Processing (NLP) and Conversational AI development
- English at B2 level or higher, with strong written and verbal communication skills
Nice to Have
- Experience with A/B testing and experimentation, working closely with analytics teams
- Ability to define and implement a testing strategy using key performance metrics for chatbots
- Proficiency in exploratory data analysis (EDA) for uncovering insights from data
- Ability to define and communicate data requirements for the data engineering team
- Understanding of cloud services, either through hands-on experience or the ability to specify requirements for cloud engineering teams





