Senior Full Stack Developer
Core
Build scalable, low-latency real-time fraud prevention systems for transfer and profile decisioning to protect Wise customers.
Role type
Senior Full Stack Developer (Fraud Risk)
Builds
Real-time risk decisioning systems, detection tooling, and AI-driven signals for fraud prevention.
Domain
Fintech / Fraud Prevention / Distributed Systems
Deliverable
production ML models
Required skills
Java/JVM, distributed systems, event-driven architectures (Kafka), system design, technical leadership, operational excellence, mentorship
Preferred skills
Python, machine learning concepts, deploying models in production, large language models
Technologies
Java, JVM, Kafka, Python, LLMs
Responsibilities
Shape and build systems for real-time transfer and profile decisioning; own technical roadmap and deliverables; drive improvements in latency, reliability, and decision quality; address technical debt and enforce engineering best practices; mentor engineers and lead onboarding; collaborate across Product, Data Science, and Fraud Operations.
Seniority
Senior, hands-on IC with leadership responsibilities
