Tech Lead (Backend): Fraud
Core
Define and own the technical architecture for real-time fraud detection, prevention, and response services within BVNK's FinCrime domain, integrating the Unit21 fraud engine to protect against account takeovers, payment fraud, and scams across fiat and crypto rails.
Role type
Senior Tech Lead (Backend Engineering)
Builds
Real-time fraud decision services, event enrichment pipelines, device/behavioural signal collection, and case management connectors for BVNK's stablecoin infrastructure.
Domain
Financial services / FinTech / Fraud detection and prevention
Deliverable
production ML models | product features
Required skills
Java or Kotlin with Spring Boot, distributed systems (microservices, event-driven architectures), relational databases (MySQL/PostgreSQL), caching (Redis), fraud detection/risk systems, architectural leadership, real-time decision systems
Preferred skills
Unit21/Sardine/Feedzai experience, payments fraud (APP/card/ACH), device intelligence platforms, on-chain fraud intelligence tools, regulatory frameworks (PSR/MiCA/Nacha), Team Topologies
Technologies
Java, Kotlin, Spring Boot, Kafka, SQS, MySQL, PostgreSQL, Aurora, Redis, Unit21, Snowflake, QuickSight, Grafana, Prometheus, Salesforce
Responsibilities
Define end-to-end technical vision for fraud detection and prevention; build and mentor the fraud engineering squad; set and maintain engineering standards; own production reliability for fraud services; lead cross-domain technical alignment and architecture reviews; build fraud reporting and metrics pipelines
Seniority
Senior, hands-on IC with leadership responsibilities
