Rishendra K

• Architected cloud-native microservices using Java 17 and Spring Boot 3 for booking, ticketing, and flight operations. • Built full stack features with Angular 14+ and Spring Boot including booking flows, seat selection, and pricing modules. • Developed scalable REST APIs for flight schedules, inventory, loyalty, and reservation management. • Implemented event-driven workflows using Google Cloud Pub/Sub for bookings and payment updates. • Deployed Dockerized applications on Kubernetes and Google Cloud Run with autoscaling and zero-downtime releases. • Secured services using Spring Security, OAuth2, JWT, and Keycloak with RBAC and compliance standards. • Optimized PostgreSQL with indexing, partitioning, and query tuning for high-volume transactions. • Integrated Elasticsearch for real-time flight and reservation search capabilities. • Built CI/CD pipelines using Jenkins and GitLab for automated testing and container deployments. • Applied resilience patterns (circuit breaker, retries, timeouts) to improve system reliability. • Provisioned infrastructure using Terraform across Dev, QA, and Production environments. • Migrated legacy Java EE monoliths to scalable Spring Boot microservices architecture. • Implemented secure payment integrations with encryption, tokenization, and audit logging. • Enabled observability using Prometheus, Grafana, centralized logging, and distributed tracing. • Improved performance through JVM tuning, load testing, and Kubernetes resource optimization.

• Designed and developed HIPAA-compliant healthcare microservices using Java 17, Spring Boot, and Spring WebFlux supporting patient data management, appointment scheduling, and clinical workflows. • Implemented FHIR-compliant REST APIs and HL7 message processing components to enable standardized healthcare data exchange and real-time lab result ingestion. • Built secure Angular 14 patient portal applications enabling appointment booking, prescription review, telemedicine sessions, and secure provider communication. • Migrated legacy healthcare systems to Google Cloud Platform and deployed containerized workloads on OpenShift and Kubernetes for improved scalability and resilience. • Integrated Kafka and RabbitMQ for event-driven clinical notifications, prescription refill alerts, and billing updates while reducing service coupling. • Designed optimized PostgreSQL schemas with indexing and partitioning strategies to support high-volume patient record storage and fast retrieval. • Implemented Redis caching to reduce latency for frequently accessed patient and appointment data. • Enforced role-based access control using Spring Security, OAuth2, JWT, and Keycloak to protect PHI under HIPAA and GDPR standards. • Integrated Elasticsearch for fast search across millions of patient records, prescriptions, and clinical notes. • Built CI/CD pipelines using Jenkins and GitHub Actions for automated testing, container builds, and structured multi-environment deployments. • Implemented AES encryption, TLS-secured communication, structured audit logging, and distributed tracing for regulatory compliance and observability. • Collaborated with clinical stakeholders and compliance officers in Agile environments to deliver secure and scalable healthcare platforms.

• Developed secure banking microservices using Java 11 and Spring Boot to support transaction processing, account management, onboarding, and loan servicing. • Designed REST APIs integrating with core banking systems and third-party payment gateways for real-time funds transfer and balance verification. • Implemented SWIFT messaging and ISO 20022 standards for cross-border payments and secure international wire transfers. • Migrated monolithic banking modules into containerized microservices deployed on AWS EKS using Docker and Kubernetes. • Optimized Oracle 19c databases with PL/SQL, indexing, partitioning, and query tuning for high-volume financial transactions. • Integrated Redis caching to enhance performance for account summaries and transaction history queries. • Enforced OAuth2, JWT, and multi-factor authentication with PCI DSS-compliant security controls. • Built fraud detection integrations evaluating behavioral transaction patterns in near real time. • Developed Spring Batch jobs for end-of-day reconciliation, settlements, and regulatory reporting. • Automated CI/CD pipelines using Jenkins and Ansible to streamline controlled releases. • Implemented ELK logging, Prometheus monitoring, correlation ID tracing, and JVM tuning for reliability and observability. • Strengthened disaster recovery strategies, data archival solutions, and encryption mechanisms to meet financial regulatory mandates.

• Modernized legacy government systems into Spring Boot microservices supporting citizen service portals and case tracking applications. • Developed secure Angular-based web applications compliant with WCAG 2.1 accessibility standards for inclusive public access. • Implemented OAuth2, SSO, and LDAP-based authentication with strict role-based controls aligned with federal cybersecurity guidelines. • Built REST APIs enabling inter-agency integrations for eligibility verification and benefits processing. • Containerized applications using Docker and deployed to OpenShift and Kubernetes clusters with rolling updates and health monitoring. • Designed PostgreSQL schemas with indexing and partitioning for large-scale citizen data management. • Implemented RabbitMQ for asynchronous document generation and bulk status update workflows. • Configured ELK stack logging, Prometheus monitoring, and API rate limiting to secure public-facing services. • Developed Spring Batch ETL processes for public reporting and regulatory analytics. • Implemented data masking, encryption, structured audit trails, and secure file management to protect sensitive government records. • Conducted performance testing and Kubernetes resource optimization to maintain stability during peak public service usage.

• Built scalable e-commerce microservices using Java 8 and Spring Boot to manage product catalogs, pricing engines, inventory, and order processing workflows. • Developed secure REST APIs integrating payment gateways, logistics providers, CRM systems, and fraud detection services. • Designed Oracle database schemas with PL/SQL procedures, indexing, and query optimization to support high-volume retail transactions. • Implemented Apache Solr search and Redis caching for real-time product discovery and improved checkout performance. • Developed responsive AngularJS and Bootstrap-based UI components to enhance user experience across devices. • Secured checkout and customer sessions using Spring Security and JWT-based authentication aligned with payment security standards. • Containerized services with Docker and deployed on Kubernetes with blue-green deployment strategies during seasonal sales. • Implemented asynchronous messaging for order confirmations and inventory synchronization. • Built real-time dashboards for order tracking using WebSocket integration. • Conducted load testing and JVM performance tuning to reduce latency and prevent cart abandonment during high-traffic campaigns.

• Developed enterprise applications using Core Java, JSP, Servlets, and Struts framework following MVC architecture principles. • Designed backend services with JDBC integration to Oracle and MySQL databases, implementing optimized SQL queries and stored procedures. • Built SOAP and RESTful web services to integrate legacy enterprise systems and third-party platforms. • Implemented role-based access control, input validation, and secure coding practices to prevent SQL injection and XSS vulnerabilities. • Designed relational database schemas with indexing and query optimization strategies to improve application performance. • Developed batch processing modules for payroll, invoice, and transaction data imports with scheduled automation. • Deployed applications on Apache Tomcat and WebLogic servers across development and production environments. • Implemented logging frameworks and performance tuning strategies to improve traceability and runtime efficiency. • Built reporting modules using Jasper Reports for operational and financial analytics. • Provided production support, troubleshooting, shell scripting automation, and cross-team collaboration within Agile SDLC processes.