SHANA SHAFKAT

Senior Java Engineer experienced in enterprise application development and production support. Delivered high-availability, scalable applications through expertise in Java, Spring Boot, and microservices, along with hands-on experience in RESTful API development and messaging systems. Focused on enhancing system reliability and uptime by implementing effective incident management, root cause analysis, and performance monitoring.

• Managed 10+ production incidents per month across DEV, QA, UAT, and PROD environments, including P1/P2 issues, ensured high system availability and minimal business disruption.
• Reduced mean time to resolution (MTTR) significantly by implementing TraceId and SpanId-based centralized logging, enabled faster root cause analysis through Splunk.
• Successfully migrated RabbitMQ classic queues to Quorum queues, improved message durability and fault tolerance and reduced message loss/downtime.
• Supported and executed 7+ application deployments/releases across multiple environments, performed post-deployment validation and ensuring zero critical post-release defects.

• Customer Factory Integration (CFI), Dell, Senior Software Engineer, 05/2024 - 01/2026, 4, Java, Java 8, Spring Boot, Microservices, JPA, RabbitMQ, Spring MVC, Spring IOC, MongoDB, PCF, GitLab, Swagger, Jira, ServiceNow, Splunk, IntelliJ, Worked as a Developer and Support Engineer of enterprise-grade Java and Spring Boot-based microservices enabling seamless system-to-system integration between customer platforms and factory manufacturing systems., Implemented distributed logging enhancements by integrating TraceId and SpanId, enabling end-to-end request tracking and improved troubleshooting efficiency using Splunk., Actively diagnosed and resolved application issues across DEV, QA, UAT, and PROD environments, including critical production incidents, ensuring high availability and operational continuity., Executed the migration of RabbitMQ classic queues to quorum queues, strengthened message durability, fault tolerance, and system resilience., Performed application deployments across environments, conducted post-deployment verification, and supported release cycles in coordination with deployment teams., Identified and mitigated security vulnerabilities by upgrading libraries, resolving dependency issues, and adhering to secure coding standards while also upgrading Java and Spring Boot versions to maintain platform stability.
• Interac, Interac, Developer, 09/2022 - 01/2025, 9, Java, Java 8, Spring Boot, Microservices, JPA, Spring MVC, Spring IOC, Oracle, MySQL, Developed and maintained back-end services using Java and Spring Boot with JPA, supporting high-volume financial transactions and secure money transfer workflow., Designed and implemented data access layers by writing Spring DAO components and managing database interactions with Oracle and MySQL., Enhanced existing application functionalities and delivered new features based on evolving business requirements provided by product owners., Facilitated inter-service communication, managed exception management, and ensured seamless service discovery & integration across microservices., Played a key role in resolving critical production defects through log analysis using Splunk and timely coordination with Support Teams., Delivered knowledge transfer sessions to onboard new team members and collaborated with Deployment Teams during release and roll-out activities.

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