Saleh Nazimudeen

Lead developer for IPSH (Integrated Payment System Hub). supporting Tier-1 banks including D360.
Vision Bank, and Bank of Jordan.
Architceted core payment modules for IPS, RTGS, SWIFT, and SADAD, handling millions of daily trans-
actions with 99.9% uptime.
Designed fault-tolerant miczoservices using Java and Spring Boot to ensure data integrity during real time
high-concurrency processing;
Reduced system downtime by resolving 20+ critical production incidents via log analysis and performance tuning
Collaborated with bank IT and compliance teams to ensure AP\] integrations meet strict Saudi Central Bank
(SAMA) regulations.
Deployed 100+ secure REST APIs for GCC-vide banking applications using Spring Boot and Microservices.
« Accelerated deployment cycles by 40% by implementing automated CI/CD workflows using Docker and Jenk

Achieved a 50% improvement in scarch query latency by implementing and tuning Elasticsearch clusters.
Enforced enterprise-grade security using Keyeloak and JWT for role-based access control (RBAC) across 104
modules.
+ Managed complex database schema versioning across four environments (Dev to Prod) using Flyway.

• Developed and deployed 15+ secure, scalable REST APIs using Spring Boot for a major GCC banking web
application.
• Designed and implemented multitenant microservices, supporting isolated deployments for enterprise clients.
• Integrated KeyCloak and JWT for secure, role-based access control across 10+ modules.
• Automated deployment workflows using Docker and Jenkins, reducing production errors by 40%.
• Improved query performance by 50% using Elasticsearch and indexed large datasets for analytics.
• Collaborated in Agile teams; conducted code reviews, sprint demos, and delivered features under tight
deadlines.
• Used Swagger for API documentation and Selenium + JUnit for integration testing.
• Led Flyway-based DB migration strategies across environments (Dev, QA, UAT, Prod).

• Designed and developed an enterprise-grade HR platform managing 500+ employees across subsidiaries.
• Built full-stack architecture using Angular + Spring Boot, enabling responsive UI and scalable backend.
• Configured advanced role-based access and multi-level approval flows using KeyCloak + JWT.