Senior Software Engineer
Core
Design and execute performance testing strategies for payment processing services and build/maintain full-stack backend services supporting card network integration.
Role type
Senior Software Engineer (Performance & Application Engineering)
Builds
Payment processing services, card network integration backends, and data lifecycle pipelines
Domain
Fintech / Payments
Deliverable
production ML models | product features | infrastructure
Required skills
Java, PostgreSQL, Oracle, OpenShift, Kubernetes, containerization, event-driven architecture, legacy application server tuning, performance testing frameworks, code reviews
Preferred skills
Tomcat, WebSphere, AI-assisted development tooling, architectural planning
Technologies
Java, PostgreSQL, Oracle, OpenShift, Kubernetes, Tomcat, WebSphere, GitHub Copilot
Responsibilities
Design and execute enterprise-grade performance testing strategies; Identify and resolve performance bottlenecks across legacy and modern service layers; Build and maintain full-stack backend services for card network integration; Contribute to application modernization and cloud-native migration; Participate in code reviews and cross-team technical planning
Seniority
Senior, hands-on IC
