Senior Data Scientist – Fraud Intelligence

Neon

full-time

Posted on: 10/21/2025

Location Type: Remote

Location: Remote • 🇧🇷 Brazil

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Senior

PySparkPythonSparkSQL

About the role

Development of Fraud Detection Models: Participate in the full lifecycle of detection model development, from design and technical planning (defining target population, samples, analysis periods) through implementation, documentation and performance monitoring.
Data Analysis and Processing: Investigate, mine, and manipulate large volumes of data to conduct studies, understand fraud risk profiles, and produce the inputs required for modeling.
Analytical Solutions and Compliance: Propose and develop the most appropriate modeling solution for each fraud-related problem, with a primary focus on ensuring regulatory compliance and methodological robustness.
Technical Documentation: Create and maintain detailed documentation of the entire development process, ensuring traceability and support for internal and external audits.
Strategic Collaboration: Collaborate closely with Development and Technology teams to ensure alignment and correct implementation of fraud prevention models.

Education: Bachelor’s degree in Statistics, Mathematics, Physics, Computer Science, Engineering, or a related field.
Modeling Experience: Solid experience developing outlier-detection models related to fraud, preferably in the financial sector.
Technical Skills:
- Python and Spark: Proficiency using Python for data analysis and model implementation.
- SQL: Advanced experience with SQL for manipulating large datasets (e.g., PySpark, Athena, Trino).
- Code Versioning: Experience with code hosting/version control platforms such as GitHub or Bitbucket.
Analytical Ability: Strong capability to identify problems, interpret complex requirements, and propose appropriate, efficient analytical solutions.
Behavioral Profile: Collaborative mindset, passion for continuous learning, strong results orientation, and excellent communication skills.

Benefits

Truly remote work model, with team meetups every three months in São Paulo. Includes a credit to purchase a home office kit and partnerships for coworking access;
Flash Card: customize your benefits package with meal and food vouchers, transportation allowance, and education assistance;
Gympass, with a network of gyms and online classes;
Parental support including daycare or nanny assistance and extended parental leave;
Medical and dental insurance;
Open English: discounted lesson packages exclusively for Neowners and their dependents;
Discounts on MBAs and specializations at USP ESALQ.

Tip: use these terms in your resume and cover letter to boost ATS matches.

fraud detection modelsdata analysisdata processingmodeling solutionsPythonSparkSQLcode versioningoutlier-detection modelsanalytical solutions

collaborative mindsetcontinuous learningresults orientationcommunication skillsanalytical ability