Shana Shafkat

• Owned and managed 5 microservices, ensuring high performance, scalability, and fault tolerance.
• Developed and maintained scalable server-side applications using Java and Spring Boot.
• Upgraded Spring Boot and Java versions, resulting in improved application performance and strengthened security posture.
• Resolved vulnerabilities identified by Snyk through dependency updates, enhancing overall system security.
• Migrated RabbitMQ queues (classic → quorum) to improve system reliability.
• Implemented distributed tracing (TraceId, SpanId) for improved observability and monitoring using Splunk.
• Troubleshot and resolved production issues, ensuring high system availability.
• Performed end-to-end (E2E) testing across multiple microservices to validate complete business workflows.
• Managed deployments via CI/CD pipelines (Git-based) across environments.

Client : Dell, Tech: Java 17, Java 21, Spring Boot, Microservices, JPA, MongoDB, Swagger, PCF, Splunk, Appdynamics

• API development and enhancement using Spring Boot.
• Understanding the feature requirements and designing the API calls and request response model.
• Designed and implemented data access layers by writing Spring DAO components and managing database interactions with Oracle and MySQL.
• Worked on intercommunication between services, database interactions,discovery service, exception handling etc.
• Streamlined inter-service communication and service discovery processes across microservices, enhancing integration efficiency and reliability.
• Code review and design review of peer developer code.
• Developed JUnit test cases to validate code functionality.
• Enhanced existing application functionalities and delivered new features based on evolving business requirements provided by product owners.
• Demonstrated developed features during sprint reviews and client presentations
• to highlight functionality and user benefits.
• Collaborated with deployment team on application deployment, ensuring seamless integration and minimal disruption.
• Assisted team in writing technical documentation and reviewing feature
• specifications to enhance clarity and usability.
• Delivered knowledge transfer sessions to onboard new team members and collaborated with Deployment Teams during release and roll-out activities.
• Played a key role in resolving critical production defects through log analysis using splunk and timely coordination with Support Teams.
• Supported and executed 7+ application deployments/releases across multiple
• environments, performed post-deployment validation and ensuring zero critical post-release defects.
• Adhered to Agile methodologies throughout development process to ensure timely delivery.
• Client: Interac, Tech: Java, Java 8, Spring Boot, Microservices, JPA,

spring MVC, spring IOC, oracle,MySQL

• Developed and enhanced back-end APIs using Spring Boot and Hibernate to support real-time project metrics, reporting, and performance analysis.
• Contributed to application development activities including coding, unit test case creation, and API development using Spring Boot and SOAP webservices, while supporting team members in resolving technical challenges.
• Implemented unit test cases using JUnit and Mockito to validate business logic and improve code reliability.
• Improved code quality using SonarQube, code reviews, and refactoring.
• Analyzed business requirements and designed REST API contracts, enhancing project tracking and performance reporting capabilities.
• Authored and reviewed technical documentation, improving clarity and maintainability of features for future development.
• Followed Agile development practices and collaborated closely with Deployment Teams to support application releases.
• Presented developed features during sprint reviews and client demonstrations, fostering transparency and alignment with stakeholder expectations.

Client : APR, Tech :- Java, JSP, Spring IOC, Spring MVC,Spring Security, Hibernate, MySQL, JDBC, Apache Tomcat, Eclipse

• Delivered production support and enhancement for Java Spring Boot microservices, ensured high availability, rapid incident resolution, and stable
• system performance across environments.
• Strengthened application reliability and observability by implementing centralized logging, conducting RCA, and enhancing monitoring capabilities using Splunk.
• Led release and deployment support activities, validating environments, remediating security issues, and coordinating effectively with cross-functional teams.

Client: Dish, Tech: Java, Spring Boot, Hibernate,Spring MVC, MySQL, Git, , Jira, ServiceNow, Splunk, AppDynamics, Putty, Eclipse

• Provided L2/L3 production support for mainframe applications on z/OS, ensuring high system availability and meeting SLA targets.
• Conducted incident analysis, debugging, and root cause analysis (RCA) using jcl, cobol, and DB2 to resolve issues effectively.
• Monitored and managed batch jobs (CA-7 / Control-M), troubleshooting failures to ensure on-time execution and system reliability.
• Supported production deployments and file transfers (FTP/NDM), managing datasets to facilitate seamless operations across environments.

Client: BT, Tech: JCL, DB2, ServiceNow, SDSF, Spool, SMF logs

Monitored batch jobs and system performance with CA-7 / Control-M, ensuring on-time job completion and system reliability.

• Investigated and resolved job abends, failures, and production incidents within defined SLAs.
• Performed root cause analysis (RCA) for recurring issues and implemented preventive measures.
• Performed data fixes and validations in DB2/VSAM as per business requirements.
• Documented incidents, runbooks, and support procedures for streamlined issue resolution and knowledge sharing.

Client: HP, Tech: JCLSDSF, Abend-AID, File-AID, ServiceNow, JCL