Staff Engineer, Core Engineering
Core
Design, build, and scale backend systems for real-time fraud decisioning and external APIs serving global merchants.
Role type
Staff Engineer, Core Backend Infrastructure
Builds
Real-time decision engine, ingestion pipelines, schema management, and self-serve API platform
Domain
Fintech / Fraud Prevention / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Python, Java, Kotlin, Node.js, Cloud-native technologies (AWS, Kubernetes, Docker), Distributed systems design, System observability, API design
Preferred skills
API Gateway architectures, Real-time data processing (Flink, Storm), ML team collaboration, Developer platform engineering
Responsibilities
Design and scale backend systems for real-time decisioning, Own projects end-to-end from design to production rollout, Ensure low-latency and fault-tolerant distributed systems, Enhance observability and developer experience, Collaborate with cross-functional teams, Provide technical expertise for enterprise integrations
Seniority
Staff, high-impact IC with strategic ownership
