Rishabh
Gupta

Building end-to-end payment systems handling high-volume transactions.

• •Designed and implemented backend APIs for transaction flows handling 10,000+ daily transactions.
• •Built React-based operational dashboards reducing manual report generation time by 60%.
• •Optimized PostgreSQL queries reducing avg response time from 800ms to 120ms.
• •Integrated third-party payment gateways and internal microservices for automated reconciliation.
• •Improved system uptime to 99.9% by fixing production issues and implementing robust error handling.
• •Collaborated with product and operations teams to deliver 15+ features in production.

DevOps and backend automation for payment infrastructure.

• •Led migration of Java backend services to containerized deployments using Docker.
• •Implemented CI/CD pipelines with Jenkins, reducing deployment time by 40%.
• •Configured Prometheus + Grafana monitoring stack for service health visibility.
• •Wrote shell scripts automating log analysis and system health checks.
• •Reduced manual operational overhead by 50% through deployment automation.
• •Collaborated with senior engineers on scaling strategies for high-throughput systems.

Enterprise-grade backend development for financial systems.

• •Developed REST APIs using Spring Boot following enterprise security standards.
• •Designed database schemas and wrote optimized SQL queries for reporting modules.
• •Implemented validation layers and logging infrastructure for audit compliance.
• •Participated in code reviews maintaining 95%+ code quality score.
• •Gained experience in regulated, high-reliability financial system development.
• •Learned enterprise patterns for large-scale backend system architecture.