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 runnin

📌 Non Functional (Bengaluru)
🏢 FIS Capital Markets
📍 Bengaluru