Hima Teja Vuppu

• Engineered scalable backend systems focused on secure payment authorizations and authentications, leveraging Vert.x and cloud-native architectures.

Designed and implemented core modules within a high-throughput payment platform using Vert.x, ensuring secure and compliant transaction flows.
• Developed automated test suites following both BDD (with Cucumber) and TDD (using JUnit, Mockito, and PowerMockito) to maintain robust code quality and reduce regression issues by 30%.
• Deployed and maintained containerized applications using Docker and orchestrated via Kubernetes, ensuring seamless CI/CD through Jenkins, Bitbucket Pipelines, and CircleCI.
• Diagnosed and resolved production issues using real-time monitoring and alerting tools, contributing to a 25% decrease in incident resolution time.
• Managed both SQL (PostgreSQL) and NoSQL (MongoDB) data stores for efficient data retrieval and storage across microservices.
• Authored and maintained detailed technical documentation aligned with team standards, enhancing onboarding efficiency for new developers.
• Collaborated closely with stakeholders and cross-functional teams, delivering feature updates under tight deadlines while fostering strong client relationships.

• Led the modernization of insurance data transformation pipelines across distributed application platforms by optimizing microservices and cloud deployment strategies.
• Upgraded Spring Boot versions across multiple microservices within a Dockerized environment, ensuring compatibility, stability, and smoother integration with evolving platform requirements.
• Deployed and monitored applications using Cloud Foundry, enhancing release velocity and observability.
• Improved application performance by optimizing data-fetching logic, reducing latency and ensuring time-bound data delivery for critical business operations.
• Authored and executed Liquibase scripts to manage schema changes seamlessly across development and production environments, supporting continuous delivery pipelines.
• Integrated Swagger for auto-generating comprehensive API documentation, improving API onboarding for internal and external stakeholders.
• Designed and implemented Kafka consumers and producers for real-time message streaming—subscribed to specific topics for data ingestion and dynamically published messages to multiple Kafka topics based on business logic and routing rules.

• Engineered secure, scalable microservices by integrating cloud-native technologies and robust authentication mechanisms across multi-cloud environments.
• Implemented OAuth 2.0 protocols to enable secure authentication and authorization workflows via access token exchange for RESTful services.
• Leveraged Spring Data REST for dynamic resource discovery and automated exposure of data repositories, reducing development time and improving API consistency.
• Integrated multi-cloud solutions including AWS RDS for scalable relational data storage and Google Cloud Pub/Sub for asynchronous event-driven processing.
• Developed and containerized microservices using imported artifacts; built Docker images and deployed them onto a Kubernetes cluster to support high availability and fault tolerance.
• Built comprehensive test suites, including unit, integration, and API contract tests, utilizing Mockito and WireMock to validate service reliability and external dependencies.

• Contributed to the digital transformation of Toyota and Lexus’s wholesale vehicle auction platform by modernizing legacy systems and enhancing application performance across backend and frontend layers.
• Migrated legacy applications from a monolithic architecture to microservices, improving scalability, maintainability, and deployment agility.
• Integrated Hibernate as the ORM layer for seamless interaction with Oracle databases, optimizing transaction performance and data integrity.
• Deployed enterprise applications on JBoss within a CI environment, ensuring stable delivery pipelines and consistent build quality.
• Configured Log4j for structured logging and system debugging, significantly reducing incident resolution time during QA and production.
• Utilized Splunk for real-time log analysis to detect application failures and proactively address errors across distributed services.
• Supported the React.js frontend, diagnosing and resolving UI-level issues to ensure a smooth and responsive user experience across auction interfaces.

• Supported Tracfone Wireless’s subsidiaries in delivering seamless wireless services by building scalable service layers and ensuring data integrity across microservices architecture.
• Designed and consumed both SOAP and RESTful web services, supporting XML and JSON payloads using Spring Framework, enabling cross-platform system communication.
• Facilitated inter-service communication across microservices via REST APIs, contributing to a loosely coupled and modular system design.
• Managed data persistence using MySQL and OracleDB, writing efficient SQL queries, stored procedures, and prepared statements to support high-volume transactional flows.
• Created and maintained database schemas, resolving data integrity issues and supporting evolving business requirements through schema updates.
• Diagnosed and resolved production issues by analyzing application logs with Splunk, improving turnaround time on escalated tickets and enhancing overall system reliability.