5 min read · Performance Testing · Banking & Financial Services
Performance engineering for cards and payment services at a major Indian PSU bank
Quality Engineering · Performance testing
Engagement
How the work ran.
Client names and implementation details are withheld where they are not approved for publication.
Case study
Challenge
A publicly listed pure-play credit card issuer needed sustained performance confidence across complicated application flows, heavy data dependencies between three applications, and security-constrained scripting — against a production-scale estate of 16 million+ active customers.
Approach
VST built 60+ web and mobile API scripts with Fiddler, LoadRunner and JMeter, ran 150+ performance tests over eight months, monitored with New Relic APM, and partnered with DBAs on Oracle AWR analysis while supporting round-the-clock delivery windows.
Engagement model
Quality Engineering · Performance testing
Technology
JMeter, LoadRunner, Fiddler, New Relic APM, Oracle AWR
Outcome
150+ performance tests executed; concurrent-connection and query issues found and fixed before they blocked concurrency goals.
Industry
Banking & Financial Services
Practice
Quality Engineering
Value delivered
- Thread-dump and OS-log analysis exposed server configuration limits under concurrent load.
- Plug-and-play modules that failed under concurrency were replaced with purpose-built modules.
- AWR work surfaced 20+ long-running queries; optimisations cut DB utilisation by more than 20%.
- New Relic monitoring highlighted an unacceptable 1:8 DB-connection ratio per web request.
Related cases
Nearby engagements by category, industry or stack.
Open another story that shares the same delivery lens or technology footprint.
Related practice
Release with confidence, at the pace the business needs.
Quality Engineering — Quality engineered into the delivery pipeline — automated, continuous and covering function, performance and security.
This engagement sits inside our Quality Engineering practice. Explore the full scope, outcomes and how we usually start.
Explore Quality Engineering →Next step
Have a similar problem — or need more clarity?
If this challenge looks like yours, book a short discovery call. If the problem is still fuzzy, we will help you name the constraint before anyone builds a large plan.
Start a conversation
Tell us whether you need software built, a release assured, or operations taken on.
Start with a 2–8 week advisory if the problem is still a choice — then a project, a named engineering team, or managed operations.
- Phone
- +91 70303 83783