Senior Software Engineer – Cloud & Network Integration
Core
Design, develop, test, and implement software applications supporting Fiserv's Vision NEXT platform, focusing on cloud-native card issuing and payment processing.
Role type
Senior Software Engineer (Cloud & Network Integration)
Builds
Cloud-native card issuing and payment processing platform (Vision NEXT) for LATAM partners
Domain
Fintech / Payments / Cloud Infrastructure
Deliverable
production ML models | product features
Required skills
Java, C#, C++, C, REST integrations, event-driven architectures, RabbitMQ, webhooks, retry/idempotency patterns, AWS, Azure, GCP, API development, microservices, distributed systems, networking fundamentals (TCP/IP, DNS, HTTP/HTTPS, VPN, firewalls, load balancing, SSL/TLS), application troubleshooting, test automation (RestAssured, Karate, Postman/Newman)
Preferred skills
Financial services/payments/banking/fintech experience, cloud-native architectures, event-driven systems, real-time transaction processing, Kubernetes, Red Hat OpenShift, monitoring and observability tools, technical specification writing
Technologies
AWS, Azure, GCP, RabbitMQ, RestAssured, Karate, Postman/Newman, Kubernetes, Red Hat OpenShift
Responsibilities
Design, develop, test, and implement software applications; Develop and support REST and event-driven integrations; Build and maintain API test automation; Troubleshoot and resolve complex application, connectivity, and production support issues; Work with infrastructure, network, and security teams; Participate in code reviews; Monitor system performance and assist with root cause analysis
Seniority
Senior, hands-on IC