Staff Machine Learning Engineer, Fraud & Abuse

Block
San Francisco
Workplace: RemoteFull timeFunction: Data Science & Machine LearningExperience: 12+ yearsSkills: ["Leadership","Mentorship","Autonomy","Communication","Teamwork","Problem-solving","Collaboration"]

Lead the design and deployment of high-scale, real-time ML systems to detect fraud and abuse across Block’s ecosystem. Architect data pipelines, collaborate with product and engineering teams, and continuously improve feature stores, risk signals, and ML-platform practices to protect customers and merchants while enabling seamless user experiences.

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FursaFursa
Block
Block
10 months ago

Staff Machine Learning Engineer, Fraud & Abuse

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 12 hours agoStatus: Live

Job Summary

Lead the design and deployment of high-scale, real-time ML systems to detect fraud and abuse across Block’s ecosystem. Architect data pipelines, collaborate with product and engineering teams, and continuously improve feature stores, risk signals, and ML-platform practices to protect customers and merchants while enabling seamless user experiences.
Location: San Francisco
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Build and maintain real-time and batch data pipelines/APIs to support ML model inference at scale.
  • •Design elegant ML pipelines and services, prototype new approaches, and productionize solutions at scale.
  • •Collaborate with product and engineering teams to define data models and schemas for consistent and structured data flow.
  • •Integrate and enrich diverse internal and third-party data sources to enhance our feature store and modeling capabilities.
  • •Ensure data quality and completeness through automated validation, monitoring, and alerting.

Pay and Benefits

Perks:Health InsuranceVisionDentalRetirementEquityPaid LeaveParental LeaveWellness StipendLearning BudgetLife InsuranceDisability

Key Requirements

  • •12+ years of experience in software development and demonstrated technical initiative and leadership on previous machine learning projects.
Experience:12+ yearsMachine learningFraud & abuseFinancePayments
Skills:LeadershipMentorshipAutonomyCommunicationTeamworkProblem-solvingCollaboration
Languages:English
Tech Stack:PythonJavaKotlinTensorFlowPyTorchAWSDatabricksKubernetesMySQLDynamoDBKafkaSpark

Company Brief

Block
Builds financial services and commerce tools to empower businesses and individuals, operating products such as Square, Cash App, Spiral (Bitcoin initiatives), TIDAL, and developer-focused payment and banking solutions.
Industry: Fintech Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn