Data Science Specialist

Ebanx
Curitiba
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningSkills: ["Analytical and problem-solving","Mentoring","Collaboration","Communication"]

Own end-to-end design, development, evaluation, and production deployment of scalable ML/AI solutions. Build and optimize models (e.g., XGBoost, Random Forest, Decision Trees) to support fraud prevention, chargeback risk, and credit-card payment risk. Translate business/payment challenges into ML solutions, develop production-grade services (APIs, data pipelines), and run CI/CD for model delivery. Collaborate across data, AI engineering, MLOps, and stakeholders, and improve reliability through monitoring, testing, and continuous iteration.

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FursaFursa
Ebanx
Ebanx
16 hours ago

Data Science Specialist

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Source: Company careers pageValidated by: Fursa AI
Last checked: 11 hours agoStatus: Live

Job Summary

Own end-to-end design, development, evaluation, and production deployment of scalable ML/AI solutions. Build and optimize models (e.g., XGBoost, Random Forest, Decision Trees) to support fraud prevention, chargeback risk, and credit-card payment risk. Translate business/payment challenges into ML solutions, develop production-grade services (APIs, data pipelines), and run CI/CD for model delivery. Collaborate across data, AI engineering, MLOps, and stakeholders, and improve reliability through monitoring, testing, and continuous iteration.
Location: Curitiba
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Own the end-to-end design, development, evaluation, and deployment of ML/AI solutions for scalability, reliability, and performance.
  • •Develop and optimize ML models (XGBoost, Random Forest, Decision Trees) for robustness, explainability, and efficiency.
  • •Build ML models and strategies for fraud prevention, chargeback risk, and payment risk in credit card payments.
  • •Implement and maintain production-grade AI solutions, including APIs, data pipelines, and services in collaboration with MLOps specialists.
  • •Implement CI/CD pipelines for model deployment and updates, troubleshoot production issues, and perform testing, validation, and continuous improvement.

Pay and Benefits

Perks:Health InsuranceDental

Key Requirements

  • •Hands-on experience in data science and machine learning modeling.
  • •Proven expertise developing and evaluating ML models, especially XGBoost, Random Forest, and Decision Trees.
  • •Strong programming skills in Python for maintainable code.
  • •Experience using ML models in real-world or production environments.
  • •Proficiency with cloud platforms (AWS, GCP or Azure) and CI/CD tools/processes (GitHub Actions).
Experience:FintechFinancial services
Skills:Analytical and problem-solvingMentoringCollaborationCommunication
Languages:English
Tech Stack:PythonXGBoostRandom ForestDecision TreesAWSGCPAzureGitHub ActionsETLData pipelinesCloudWatchDataDogAPIsDockerCI/CDMachine LearningMLOpsNeural networks

Company Brief

Ebanx
Provides payment processing and fintech solutions enabling global merchants to accept local payments across Latin America, offering services like cross-border payments, local acquiring, fraud prevention, and financial integrations.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Private Equity Backed
Headquarters: Curitiba, Brazil
Founded: 2012
WebsiteLinkedIn