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Belvo

Senior Applied Data Scientist

Belvo

. Lead the design of statistical and machine learning models for risk scoring, fraud detection, transaction categorization, and related problems .

Posted 10/15/2026full-timeRemote • Mexico, BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in designing and deploying statistical and machine learning models, with a strong focus on risk scoring and fraud detection. Proficient in Python, SQL, and LLM solutions, with a solid understanding of statistics and model evaluation.

Highest-signal resume keywords
Machine Learning Model DevelopmentPython ProficiencySQL Data ManipulationModel Deployment on AWSStatistical Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Statistical ModelingMachine LearningDeep LearningTree-Based MethodsRegression AnalysisFeature EngineeringA/B TestingModel MonitoringData Pipeline DevelopmentLLM Evaluation
Soft Skills
CollaborationCommunicationProblem-SolvingStakeholder EngagementTechnical Explanation
Tools & Technologies
PandasScikit-LearnTensorFlowPyTorchMLOps ToolingAgentic Coding ToolsCI/CDVersion ControlAPIsAWS
Industry Keywords
FintechFinancial RiskRegulated Data EnvironmentData ScienceCustomer-Facing ExperienceBusiness StrategyConsultingProduct ManagementModel EvaluationLive Model Monitoring

Tech Stack

Tools & technologies
AWSPandasPythonPyTorchScikit-LearnSQLTensorflow

About the role

Key responsibilities & impact
  • Lead the design of statistical and machine learning models for risk scoring, fraud detection, transaction categorization, and related problems
  • Use agentic coding and research tooling to explore data, generate and test feature hypotheses, scaffold pipelines, and write model services
  • Partner with Product and business teams to identify meaningful signals and define well-scoped modeling problems
  • Build or shape production pipelines, APIs, and services for models
  • Own live models, including monitoring, drift detection, retraining, and retirement
  • Design and run A/B tests and offline evaluations
  • Collaborate with Engineering, Data Research, Product, Intelligence Squad, and business stakeholders
  • Work directly with stakeholders and customers when needed
  • Explain technical trade-offs and business impact to non-technical audiences and executives
  • Stay current on GenAI model releases, papers, and tooling, sharing useful findings through demos, documentation, or AI Chapter sessions
  • Decide which problems are worth modeling and use rules, heuristics, or improved data pipelines when they are more appropriate
  • Participate in the hiring process through team-based interviews and assessments

Requirements

What you’ll need
  • 5+ years of experience as a Data Scientist, Applied Scientist, or in a similar hands-on modeling role
  • Experience owning models end to end in production, from problem framing to live monitoring, with measurable business impact
  • Solid grounding in statistics and ability to explain model workings at that level
  • Experience building and comparing multiple model types, such as tree-based methods, regression, and deep learning
  • Proficiency in Python for data science, including pandas, scikit-learn, and at least one of TensorFlow or PyTorch
  • Proficiency in SQL for pulling and shaping data
  • Experience taking several self-built models into production
  • Understanding of testing, version control, CI/CD, and maintainable code
  • Experience building LLM solutions beyond API calls, including tool use or agents, retrieval, structured outputs, and at least one production deployment
  • Experience creating evaluations for LLM systems
  • Daily use of agentic coding tools
  • Proficient written and spoken English
  • Fintech, financial risk, or regulated data environment experience is advantageous
  • Business or strategy background, such as an MBA, consulting, or product/strategy role, is advantageous
  • Customer-facing data science experience is advantageous
  • Experience with MLOps tooling is advantageous
  • Experience deploying models on AWS is advantageous
  • Experience writing evaluations or an LLM-as-judge harness is advantageous
  • Experience using LLMs in data pipelines is advantageous

Benefits

Comp & perks
  • Stock options
  • Annual company bonus linked to company performance
  • Flexible working hours
  • Remote friendly
  • Pet friendly
  • Health Insurance
  • Paid time off on your birthday
  • Renew your laptop every 3 years
  • Training Budget
  • Team building events
  • Bank holidays swap within 30 days
  • Fitness/ wellness stipends
  • Yearly company offsite
  • Fresh fruit every week, all-you-can-drink tea and coffee
  • Extra days off accrued when completing 2, 3, 4 years and beyond at Belvo
  • Yearly department offsite