About us :
At FIS, our technology and our people are moving forward. We advance the way the world pays, banks and invests. We believe in building inclusive, diverse teams. Together, we innovate to help our colleagues, clients and communities succeed. If you’re ready to grow your career and make an impact in fintech, we have one question: Are you FIS?
About the Role
We are looking for an experienced Non-Functional Engineer to join a team developing backend payment-processing software for large international banks.
Our technology landscape includes legacy applications deployed on IBM WebSphere, modernized Java applications running on Open Liberty, and cloud-native applications deployed on Kubernetes. Our payment solutions are standardized around SWIFT messaging and must meet demanding requirements for performance, scalability, resilience, availability, and operational stability.
The Non-Functional Engineer will be responsible for designing, implementing, maintaining, and automating tests that validate the non-functional requirements of our software. You will work closely with architects,
developers, DevOps engineers, and other stakeholders to identify bottlenecks, investigate failures, and improve the overall reliability and performance of the platform.
You will also support the analysis and resolution of non-functional issues reported by customers in production environments.
What You Will Be Doing-
Define test approaches and test scenarios for non-functional requirements, including:
Transaction throughput
Network bandwidth and data volume
Response times and latency
Scalability
Resilience and fault tolerance
High availability and recovery
Resource consumption
Stability under sustained load
Behaviour during infrastructure or dependency failures
Create, maintain, and execute automated non-functional test suites for:
Legacy Java applications running on IBM WebSphere
Java applications deployed on Open Liberty
Cloud-native applications running on Kubernetes
Translate archi
📌 Non Functional (Bengaluru)
🏢 FIS
📍 Bengaluru