Building AI systems
that work for you
KRANTHI KUMAR KATTA — Senior SDET | Automation Expert
Senior SDET with 5+ years of experience in designing, developing, and executing comprehensive test automation frameworks for enterprise-grade web, mobile, API, and microservices applications. Proven expertise in Selenium, Playwright, API testing (Postman, REST Assured), performance testing (JMeter), and building CI/CD-integrated test pipelines.
Integrations
I CONNECT TOOLS INTO ONE SYSTEM, ELIMINATING MANUAL WORK AND SAVING TIME.
What I Do
Senior SDET with 5+ years of experience designing test automation frameworks for enterprise-grade applications.
Test Automation
Designing and building robust automation frameworks for enterprise-scale web, mobile, and API applications.
Performance Engineering
Load testing with JMeter, Grafana dashboards, and infrastructure optimization to reduce costs by 30%.
API Validation
Comprehensive API test automation covering 200+ endpoints with REST Assured and contract testing.
CI/CD Integration
Seamless test pipeline integration with Jenkins, GitHub Actions, and Docker-based environments.
How I Work
A systematic approach to building reliable test automation.
AUDIT & ANALYZE
Review existing workflows, identify bottlenecks, and map testing coverage gaps.
DESIGN FRAMEWORK
Architect modular, data-driven test frameworks tailored to the tech stack.
BUILD & AUTOMATE
Implement automated suites covering functional, regression, and API testing.
OPTIMIZE & SCALE
Integrate with CI/CD, monitor results, and continuously improve test efficiency.
Barraq Technology Lab India Private Limited
- →Led end-to-end test automation for cross-border remittance workflows using Playwright and Java across distributed microservices.
- →Designed and executed functional, regression, integration, and UAT test suites for ISO8583 message flows, switch-layer routing, and T+1/T+2 settlement reconciliation.
- →Validated PCI-DSS compliance and SWIFT messaging integration, ensuring zero critical defects in production.
- →Automated transaction lifecycle testing from initiation through settlement with Kafka event-driven validation.
- →Implemented data-driven testing with parameterized suites, reducing manual testing effort by 60%.
American Heart Association (Impelsys)
- →Managed QA pipelines and validation processes for digital platform releases in healthcare domain.
- →Developed and maintained automation frameworks for web applications.
- →Performed regression, functional, and integration testing across multiple browser environments.
- →Automated critical user journeys for learning management systems and certification platforms.
PayU Digital Labs Private Limited (Wibmo)
- →Performed Functional, Regression, and Integration Testing for Payment Gateway Applications.
- →Validated payment lifecycle, settlement reconciliation (T+1, T+2), switch-layer routing logic, and PCI-DSS compliance.
- →Developed JMeter test scripts simulating 10,000+ concurrent users for load testing.
- →Reduced manual testing effort by 60% through comprehensive automation frameworks.
- →Reduced infrastructure costs by 30% through performance engineering.
Technical Stack
Technologies I use to build reliable, scalable test automation frameworks.
Automation
Programming
API Testing
Performance
Build Tools
DevOps
Case studies
Cross-Border Remittance Test Automation Suite
Built comprehensive end-to-end automation framework for high-throughput international remittance workflows. Automated ISO8583/SWIFT message validation, Kafka event-driven flows, and multi-vendor MTO integrations. Reduced manual testing by 60%.
KEY CONTRIBUTIONS
- Architected a modular keyword-driven test framework using Playwright and Java for ISO8583 and SWIFT message validation.
- Automated transaction lifecycle testing from initiation through settlement with Kafka event-driven validation.
- Developed REST API test suites for switch-layer routing, ensuring compliance with PCI-DSS and SWIFT integration.
From cross-border remittance automation to performance engineering at scale.
Cross-Border Remittance Test Automation Suite
Built comprehensive end-to-end automation framework for high-throughput international remittance workflows. Automated ISO8583/SWIFT message validation, Kafka event-driven flows, and multi-vendor MTO integrations. Reduced manual testing by 60%.
Microservices Test Automation Framework
Designed contract testing frameworks with REST Assured for API validation. Automated end-to-end regression testing with Selenium across 1000+ test suites. Docker-based test environments reduced release cycle time by 40%.
Performance Engineering Framework
Created performance engineering framework for payment gateway handling millions of daily transactions. JMeter scripts simulating 10,000+ concurrent users. Grafana dashboards for real-time monitoring. Reduced infrastructure costs by 30%.
API Test Automation Framework
Built comprehensive API test automation for 200+ endpoints using REST Assured. Contract testing with Pact framework. Reduced production API defects by 35%.
What clients say
“Kranthi completely transformed our QA pipeline. The automation framework he built reduced our regression cycle from 3 days to under 4 hours. His technical depth and communication are outstanding.”
Priya Sharma
Engineering Manager, PayU
BASED ON 300
VERIFIED REVIEWS
Pricing
FOR TEAMS NEEDING QUICK EXPERT ADVICE
- 1-on-1 strategy session
- QA audit & recommendations
- Framework selection guidance
- Email support
FOR COMPANIES READY FOR AUTOMATION
- End-to-end test automation
- CI/CD pipeline setup
- Custom framework build
- Priority support
FOR ORGANIZATIONS WITH ONGOING NEEDS
- Dedicated QA engineering
- Continuous test maintenance
- Performance monitoring
- Enterprise integrations
FAQ
I specialize in test automation frameworks, performance engineering, full-stack web applications, and AI/LLM integrations. I work best on projects that need reliable, scalable quality infrastructure — from greenfield builds to legacy modernization.
KRANTHI KUMAR, ENGINEER
“Everything you need to know about building reliable, automated software systems — from architecture to execution.”
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Open to opportunities and interesting conversations about test automation.
Got something in mind?
Whether it's about test automation, performance engineering, or just a quick chat — I'm always happy to connect.