Senior Data Scientist developing machine learning models focused on recommendations and user behavior for Onfly, a leading Travel Tech B2B company in Latin America.
Responsibilities
Develop machine learning models applied directly to the product, with a primary focus on recommendation, personalization, and user behavior models.
Translate business problems into tangible and measurable statistical solutions, defining hypotheses, metrics, collection strategy, validation, and rollout.
Work with structured and semi-structured data from Onfly’s data ecosystem, including BigQuery, microservices, events, and tactical databases.
Collaborate with Engineering and DataOps on integrating models into the analytical and transactional ecosystem, ensuring technical requirements for performance, reliability, and governance (latency, frequency, criticality, observability, and cost).
Conduct experiments and validations in a production environment (A/B tests, uplift metrics, product impact).
Evolve the company’s data science stack, influencing best practices, versioning, monitoring, and governance.
Serve as a technical reference in the data science chapter, supporting architecture discussions, feature store strategy, and consumption via microservices.
Develop and advance predictive and prescriptive models applied to the product, expanding the embedded intelligence within Onfly’s ecosystem.
Requirements
Master’s or PhD in Data Science.
Previous experience with Vertex AI, Airflow, or other MLOps tools.
Experience with microservices-based architectures and API consumption.
Familiarity with recommendation and personalization in digital platforms.
Experience with models related to engagement, risk, credit, or churn.
Active participation in evolving data ecosystems at growth-stage companies.
Benefits
Meal allowance on a flexible card: R$35 (no 6% payroll deduction).
Transportation allowance on a flexible card (no 6% payroll deduction).
Unimed health plan with no copayment and no monthly fee for the Onfly employee (company-covered).
Dental plan (discounted monthly fee).
Pharmacy discounts.
No dress code.
Online psychotherapy benefit (Vittude).
Gym benefits (Gympass).
90% subsidy for language courses.
R$1,000 annual budget for trainings/certifications in your area of expertise.
Discounts on undergraduate and graduate programs (UNA and UNIBH).
Funeral assistance (Grupo Zelo).
Extended maternity/paternity leave.
R$200 voucher on Onhappy (exclusive platform for discounted travel anywhere in Brazil).
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