Sai Satya Pavan Pandu Vanka

• Led development of scalable Java-based microservices using Spring Boot, Hibernate, and RESTful APIs on AWS EKS, increasing system throughput by 30%.
• Designed robust UI and API automation test frameworks with Playwright, Selenium WebDriver, Cucumber, and TestNG, reducing critical bug escapes by 25%.
• Built event-driven architectures leveraging AWS Lambda, SQS, SNS, and CloudWatch to enhance data workflow efficiency.
• Developed automation scripts for alerting flows and operational pipelines to improve QA and deployment monitoring.
• Managed CI/CD pipelines with Jenkins, Docker, and GitHub Actions to automate build-test-deploy lifecycle, cutting deployment time by 40%.
• Collaborated with cross-functional Agile teams during daily stand-ups and sprint planning to ensure high delivery velocity.
• Mentored junior developers and QA engineers on clean code practices and AWS deployments to foster a strong DevOps culture.
• Utilized PostgreSQL and MongoDB for persistence layers; applied caching strategies to optimize database query performance.

• Designed and developed scalable backend services using Java 17, Spring Boot, and Hibernate/JPA, improving application performance and reliability.
• Built and maintained RESTful APIs to support cross-platform integration with front-end applications in ReactJS and Angular.
• Implemented secure JWT-based authentication and role-based access control, enhancing system security and user management.
• Deployed and maintained applications on AWS (EC2, S3), and automated deployments using GitHub Actions and CI/CD pipelines.
• Ensured code quality and reliability through comprehensive unit and integration testing with JUnit and Mockito.
• Collaborated in Agile teams, actively participating in sprint planning, daily stand-ups, and peer code reviews.

Key Contributions:

• Enhanced API performance by optimizing database queries and refactoring service logic.
• Delivered multiple client-facing modules under tight deadlines, with high reliability.
• Reduced technical debt by refactoring legacy components and improving code documentation.
• Developed and maintained backend services using Java and the Spring Framework, ensuring a robust application architecture.
• Worked with public cloud services (AWS, Azure, or GCP) to deploy and manage applications efficiently.
• Implemented API security measures, including authentication, logging, and request throttling.
• Created detailed API documentation using Swagger, improving integration with front-end and third-party services.
• Optimized performance and reliability of software by implementing caching strategies and efficient database indexing.
• Assisted in on-call rotations, troubleshooting, and resolving production issues to ensure high availability.

• Executed manual and automated test cases for web applications, identifying defects through Jira reporting.
• Assisted in developing basic automation scripts with Selenium IDE and Java for regression testing.
• Conducted cross-browser compatibility testing to ensure compliance with design specifications.
• Participated in code reviews to uphold quality standards across projects.
• Engaged in training sessions to improve team skills on new technologies and tools.
• Tested, debugged and corrected errors in programs to ensure accuracy and completeness.
• Acquired foundational knowledge in Java development and MySQL through collaborative projects.