Backend Engineer - North America Risk Prevention
Core
Build real-time risk and fraud prevention systems for Wise's North American market, handling billions of transactions to prevent financial crime.
Role type
Senior Backend Engineer (Real-time Risk & Fraud)
Builds
Real-time risk assessment engines, Instant ACH infrastructure, and fraud prevention systems for the US and Canada.
Domain
Fintech, Real-time Payments, Financial Crime Prevention
Deliverable
production ML models
Required skills
Java, Kotlin, Spring Framework, Kafka, Kafka Streams, Apache Flink, JDBC, Database Internals, CI/CD, Distributed Systems
Preferred skills
Machine Learning basics, Data Lake experience (Apache Iceberg), OLAP databases
Responsibilities
Design technical solutions optimizing for low latency (p99 < 1s) and high throughput; Build and maintain real-time event processing pipelines; Collaborate with Data Scientists to deploy ML models for risk assessment; Optimize database queries and system architecture for billions of transaction volumes; Implement features for Instant ACH and transaction monitoring.
Seniority
Senior, hands-on IC
