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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
by @maxrusakovic