Grupo QuintoAndar | Head of Data & AI

Our technology team operates under a "remote-first" model, which means we work from home and can live anywhere in Brazil. We also offer the option of working from our São Paulo offices or partner coworking spaces, up to twice a week.

The stages of our hiring processes aim to assess your experiences and allow you to meet our teams and explore career opportunities. They are structured as follows:

• Application
• Interview with Recruiter
• Tech Screening
• Technical Interviews with Data Team
• Offer

Join our Data Science team and become a key part of our product squads, delivering features that enrich our product and uphold the first-class experience we're known for. As a Head, you will balance hands-on technical work with managerial responsibilities, having the opportunity to make a significant impact through both technical excellence and strategic leadership. You will drive high-impact projects, mentor team members, and play a crucial role in shaping the technical direction of our data science and machine learning solutions. 

• Manage a team of Data Scientists and Machine Learning Engineers, fostering a high-performance culture and continuously raising the bar for technical excellence.
• Act as a technical reference for the team, architecting, developing, and deploying machine learning systems to production when needed.
• Discuss business requirements with Product Managers and other senior leaders to align data strategy with business goals.
• Guide the team in designing and executing experiments, ensuring robust analysis of structured and unstructured data to improve current models.
• Focus on recruiting great talent and helping them grow through regular performance feedback and development opportunities.
• Set clear goals and objectives for the team and ensure they are aligned with the overall business objectives.
• Advocate for the value of data and AI within the organization and foster a data-driven culture.

• You have a proven track record of leading teams and managing careers within the data field for at least 4 to 5 years.
• Deep understanding of machine learning concepts, including regression, classification, clustering, neural networks, cross-validation, and model explainability.
• Strong knowledge of probability and statistics, including experimental design, optimization, and causal inference for A/B testing.
• Solid understanding of the engineering challenges required to deploy and maintain machine learning systems in production.
• Proficiency in Python and experience with software engineering best practices.

• Have experience building solutions with Large Language Models (RAG, fine-tuning) and developing AI agents or agentic frameworks (LangGraph, LangChain).
• Hold an MSc. or PhD in Computer Science, Statistics, or a relevant technical field.
• Have solid experience with Deep Learning and NLP techniques.
• Have experience working in fast-growing startups or high-tech companies.
• Excellent written and verbal communication skills in English are mandatory.

• Our hiring process starts with the application! If you truly want to be part of our team, please complete this step of the process. We analyze all candidates individually and provide feedback to all applicants.
• All communication will be conducted via email, so please stay tuned for our messages and release the domain @quintoandar.com.br to ensure our emails are not sent to spam.

We value diversity and want everyone to feel welcome here, regardless of their age, gender identity, sexual orientation, race, color, ethnicity, origin, disability, religion, or any other characteristic. All our job openings are open to all individuals!

You'll notice there are some diversity questions in the application form. For affirmative action roles, this information may be used to verify your alignment with the target audience for the opportunity. In such cases, it may be used for elimination purposes. For non-affirmative action roles, this data will be used anonymously, exclusively to monitor and improve our inclusion practices in the hiring process, and will have no impact on your application.

The Grupo QuintoAndar operates in compliance with privacy and data protection laws, including, but not limited to, the Brazilian General Personal Data Protection Law (LGPD) (Law No. 13,709/2018), and ensures the security of your data. To learn more, please access our Privacy Notice for Candidates. For questions or to exercise your rights as a data subject, please contact us through our Service Channel.

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