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Data Science | SR (Remote)

Role overview

Qualifications

  • Solid experience in Python
  • Experience with Machine Learning models and data science libraries like Scikit-learn, XGBoost, and LightGBM
  • Practical experience with Large Language Models (LLMs) and Generative AI solutions
  • Experience with Databricks

Responsibilities

  • Development of predictive models and machine learning algorithms to solve complex business problems
  • Utilization of Python (Scikit-learn, XGBoost, LightGBM), notebooks (Jupyter, Databricks), and statistical libraries (Statsmodels, SciPy)
  • Validation of performance of RAG systems considering cost metrics and quality of responses
  • Development of text ingestion pipelines in vector databases using AWS OpenSearch

Key facts

Hard skills

About the company

Compass.uol logo

Compass.uol

Digital Transformation Consulting

Compasso UOL is a Brazilian technology company owned by the UOL Group, which offers technology services, and provides state-of-the-art solutions, contributing to the digital transformation of its customers so they can become leaders in its sectors of activity. Compasso UOL is a company that cultivates people's talent and use state-of-the-art technologies such as Agile Development, Multicloud, Data&Analytics, Cyber Security, Artificial Intelligence/Machine Learning, APIs/Microservices, IoT and others, providing technology and knowledge that help customers in building digital solutions that enable the transformation and evolution of their business.

Company details

Company typeXLarge
IndustryDigital Transformation Consulting
Company size5001 - 10000

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Job description

JOB DESCRIPTION


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RESPONSIBILITIES AND ASSIGNMENTS


  • Desenvolvimento de modelos preditivos e algoritmos de machine learning para resolver problemas complexos de negócio, conduzindo desde a exploração de dados até a validação e interpretação de resultados com foco em impacto mensurável. 
  • Utilização de Python (Scikit-learn, XGBoost, LightGBM), notebooks (Jupyter, Databricks), ferramentas de experimentação (MLflow) e bibliotecas estatísticas (Statsmodels, SciPy), aplicando técnicas supervisionadas, não supervisionadas e deep learning conforme a necessidade;
  • Validação de performance de sistemas RAG, considerando métricas de custo (tokens e latência) e qualidade das respostas, utilizando indicadores como similaridade semântica, BLEU e ROUGE, entre outros. 
  • Desenvolvimento de pipelines de ingestão de texto em bancos vetoriais, com uso de AWS OpenSearch, bem como na construção de APIs utilizando LangChain e LangGraph, integradas a OpenAI e AWS Bedrock. 
  • Atuação com serviços de nuvem AWS (como S3, Lambda, Parameter Store e Secret Manager), além de arquiteturas serverless em AWS e Azure, aplicações conteinerizadas em ambiente AWS e uso de Azure Document Intelligence para extração e processamento de documentos.

REQUIREMENTS AND QUALIFICATIONS


  • Sólida experiência em Python;
  • Experiência com modelos de Machine Learning e domínio de bibliotecas de Ciência de Dados, como Scikit-learn, XGBoost e LightGBM;
  • Experiência prática com Large Language Models (LLMs) e soluções de IA Generativa, com ênfase em arquiteturas baseadas em agentes, incluindo RAG (Retrieval-Augmented Generation);
  • Experiência com Databricks;
  • Experiência com os frameworks LangChain e LangGraph;
  • Experiência com ferramentas de experimentação (MLflow);
  • Experiência com AWS Bedrock;
  • Conhecimento em métricas de avaliação de modelos de linguagem, como BLEU e ROUGE, será considerado um diferencial;
  • Além da experiência com AWS, é necessário possuir conhecimento em Azure;

Become a Compasser, be part of AI/R.


Compass UOL is a global firm and part of the AI Revolution Company, together transforming organizations using Artificial Intelligence, Generative AI, and other of today’s most advanced technologies.

We equip our team with proprietary and external AI-driven tools to design and build digital-native platforms, integrating cutting-edge technologies and enabling companies to innovate, transform their businesses, and drive success in their markets.

To achieve this, we attract and develop the best talent, creating opportunities that enhance people’s lives and highlight the positive impact of disruptive technologies.

We empower borderless talent and promote knowledge and opportunities in the latest market trends, driving significant personal and professional growth.

Join us and be part of the AI-driven revolution.


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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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