Zaina Tabassum

• Project: Vodafone Huawei
• Key Responsibilities
• Designed and developed more than 30 RESTful APIs using Java 21 and Spring Boot for Vodafone Huawei business applications.
• Developed end-to-end backend components, including controller, service, repository, entity, and model layers, enhancing microservices architecture for business applications.
• Utilized OpenAPI/OpenJAR-based model generation to create reusable model classes and streamline API development.
• Built scalable and maintainable microservices adhering to clean coding standards and enterprise design practices.
• Developed Python automation scripts to create dynamic configurations and reduce repetitive development activities.
• Implemented comprehensive unit test cases to ensure application stability, reliability, and code quality.
• Worked extensively with Apache Kafka for asynchronous communication and event-driven message processing.
• Leveraged AWS services to support cloud-based application deployments and backend integrations.
• Built and managed Docker container images for application deployment and environment consistency.
• Utilized GitHub for source code management, version control, and collaborative development.
• Performed API validation, functional testing, and debugging using Postman.
• Participated in Agile ceremonies including sprint planning, daily stand-ups, retrospectives, and backlog refinement.
• Collaborated with cross-functional teams to analyze requirements, resolve defects, and deliver sprint commitments.
• Contributed to simulator development activities, facilitating testing, integration, and validation processes for improved project outcomes.
• Performed root-cause analysis and issue resolution for application defects and production support requirements.
• Optimized API performance and enhanced service reliability by implementing code enhancements and architectural improvements, resulting in increased application stability.
• Key Achievements
• Successfully developed and delivered 30+ production-ready APIs supporting business-critical functionalities.
• Reduced manual development effort through Python-based automation solutions.
• Contributed to cloud-native application development utilizing AWS and Docker technologies.
• Improved software quality through strong unit test implementation and code review practices.
• Played a key role in simulator development and integration testing activities for the Vodafone Huawei project.
• Resume Headline
• Java 21 Backend Developer | Spring Boot | Microservices | Kafka | AWS | Docker | Python Automation | API Development

design, develop, implement, and maintain Java applications

utilizing microservices architecture to develop application

utilizing MVC architecture while coding

debugging and optimizing application performance

implementing MySQL database solutions and designing database schema

establishing Cassandra and implementing necessary type definition changes.

creating entity class through encapsulation concept

designing repositories in Spring Boot

integrating RESTful web services for seamless communication

Designed and implemented controllers leveraging Spring Boot technology.

applying validation via regular expression

creating email dispatch services in utility layer

implemented services layer

addressing issues reported by testing team

resolving defects encountered by customers during application usage

delivering product demonstration to client

participating in daily stand-up meetings

participating in daily triage calls

performing application sanity checks

contributed to agile program initiatives