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Grupo QuintoAndar | Senior Data Scientist (Women Applicants Only)

3 weeks, 3 days ago
Brazil
Full-time
Senior
AI Engineer
Data Science and Analytics
Deep Learning Generative AI LLM Machine Learning Neural Networks NLP Python
Apply Now
QuintoAndar

QuintoAndar

QuintoAndar: Simplifying home search with online rental and purchase services, secure payments, and free rental insurance. Revolutionizing Brazil's real estate market with a talented team and innovative business model.

Real Estate
1K-5K
Founded 2012
$755M raised
View All Jobs 9

Description

  • Architect, develop, and deploy machine learning systems to production, especially for chatbots and search use cases.
  • Design and execute experiments to evaluate models, prompts, and product ideas.
  • Analyze structured and unstructured data from observational and experimental sources to improve existing models or create new ones.
  • Develop and validate LLM-powered applications, including prompt testing, agent evaluation, guardrail assessment, and proof-of-concept builds.
  • Participate in Data Science chapter activities such as guilds, design reviews, and demos.
  • Collaborate with product squads and cross-functional teammates to deliver features and improve the product experience.
  • Contribute to broader Data Science discussions and technical decision-making across the chapter.

Requirements

  • 3+ years of experience applying data science and building machine learning models.
  • Expert knowledge of machine learning concepts, including regression, classification, clustering, neural networks, feature selection, cross-validation, curse of dimensionality, bias-variance tradeoff, and model explainability.
  • Strong understanding of the engineering challenges involved in deploying machine learning systems to production.
  • Proficiency in Python.
  • Some knowledge or experience with deep learning.
  • Experience providing technical guidance to other data scientists or demonstrating technical leadership.
  • Excellent written and verbal technical communication skills.
  • Good English skills, both written and verbal, are mandatory.
  • MSc. in machine learning, data science, information retrieval, ranking systems, recommender systems, natural language processing, or a related field, or an undergraduate degree plus intensive experience in a relevant area (preferred).
  • Experience with applied generative AI, including AI agents, prompt engineering, LLM fine-tuning with LoRA, QLoRA, or PEFT, LLM routing, monitoring, and guardrails (preferred).
  • Experience working at fast-growing startups (preferred).

Benefits

  • Competitive salary.
  • Profit sharing.
  • Meal allowance.
  • Health insurance.
  • Dental plan.
  • Life insurance.
  • Childcare subsidy and atypical parenthood subsidy.
  • Wellhub membership.
  • Home office allowance.
  • Employee assistance program with mental health, social, legal, and financial support.
  • Extended parental leave.
  • Day off on birthday, Mother’s Day, and Father’s Day.
  • Benefits Club discounts on everyday services.
  • Discounts at educational institutions.
  • Reading kit for children via PlayKids.

Interested in this position?

Apply directly on the company website

Apply Now

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