LAHARI PRIYA

• Involved in understanding functional specifications and developing creating solutions to meet business requirements
• Developed multiple Microservices using Java, spring boot, Spring security, Spring Data and also secured the application using role-based authentication with Kerberos authentication
• Architected and implemented scalable, multi-threaded Java applications, ensuring optimal performance under high concurrency scenarios
• Designed and maintained complex relational data models, writing optimized SQL queries, and using JPA/Hibernate for seamless object-relational mapping (ORM)
• Developed robust RESTful and GraphQL APIs in Java, integrating secure authentication mechanisms like OAuth 2.0 and JWT
• Reduced server response time by 30% by leveraging asynchronous JavaScript (AJAX, Fetch API) for efficient data fetching, leading to faster and more responsive user interfaces
• Optimized API performance through caching strategies using Spring Cache and Redis, leading to a 40% improvement in response times and reduced load on backend systems
• Created advanced custom annotations and Java reflection logic to enable meta-programming capabilities for reusable components
• Integrated Apache Kafka and RabbitMQ for real-time messaging and event-driven architecture, ensuring smooth communication between services
• Implemented AWS CloudFormation templates for setting up a complete, secure, and scalable environment, managing resources like Auto Scaling Groups, Elastic Load Balancers (ELB), and Lambda functions
• Designed and implemented unit tests, integration tests, and load tests with tools like JUnit, TestNG, and Apache JMeter, ensuring high code reliability and performance
• Built SQL-based dashboards and visualizations using tools like Tableau, Power BI, and Looker, providing actionable insights for stakeholders.

Environment: Java, Spring Boot, Spring Security, Spring Data, SQL, JPA, Hibernate, Webservices, RESTful, GraphQL, Microservices, OAuth 2.0, JWT, AJAX, AWS services (EKS, SQS, S3, Lambda, ELB), JavaScript, Apache Kafka, RabbitMQ, Terraform, JUnit, testing, Apache JMeter, Jenkins, CircleCI, GitLab CI

• Developed Java and J2EE technologies in programming modules implementing business rules and workflows using Spring Boot
• Involved in various phases of SDLC such as requirement analysis, product backlog refinement, modelling, analysis, design, development, testing and deployment
• Conducted performance tuning of JVM applications using tools like VisualVM, JProfiler, and garbage collection optimization techniques
• Developed dynamic, cross-browser-compatible front-end components using JavaScript (ES6+), SASS, and HTML5, delivering responsive and interactive UIs
• Remodeled System/network design to improve performance by 30% to employ standard conventions and practices to accelerate the development cycle
• Utilized Spring Data JPA for data access, integrating with databases such as My SQL and Oracle for persistence and data manipulation with 25% performance tuning and optimization
• Collaborated on migrating monolithic Java applications to Microservices architecture, reducing operational complexities and improving system scalability
• Created automated mock servers for testing Java APIs, reducing dependencies on live systems during development and QA
• Created POC for Spring Batch for running batch jobs
• Documented how Spring Batch is useful for the current project
• Integrated Spring Security to enforce role-based access control (RBAC) and multi-factor authentication in enterprise-grade Java applications
• Integrated IAC workflows into CI/CD pipelines with tools like Jenkins, CircleCI, and GitLab CI, automating the end-to-end process of infrastructure provisioning and application deployment
• Handled release activities for all the projects across different regions about planning and deploying the applications in production and getting the sign-off from the business team

Environment: Java, Spring Boot, Spring Batch, SQL, Spring Security, Spring Data JPA, GraphQL, REST, TypeScript, AWS Services, JavaScript, SASS, HTML5, MySQL, Oracle, Jenkins, CircleCI, GitLab CI

• Developed a secure payment application with Angular as the front-end, Spring Boot as the back-end, and integrated EMV (Europay, Mastercard, and Visa) devices to process chip card payments
• The application communicates securely with banking APIs via token-based authorization and manages transactions, including both online and in-store chip card payments
• Proactively worked on migrating code from AngularJS to latest Angular without any change in the frontend UI and its functionality
• Refactored AngularJS controllers and services into modern Angular components, modules, and services, aligning with Angular's architecture best practices
• Developed and maintained ETL pipelines using SQL and tools like SSIS and Apache Nifi, ensuring seamless data extraction, transformation, and loading
• Migrated a REST-based API to GraphQL, resulting in a 35% reduction in network payload and improving query efficiency by providing flexible and customizable queries for clients
• Assisted in POC of Auto Clerk Application which is a log entry based java functionality
• Implemented real-time web applications using WebSockets, enhancing live data streaming features for a large-scale financial platform
• Used dynamic SQL to create reusable, parameterized queries and procedures for dynamic reporting systems
• Refactored legacy Java codebases, transitioning from outdated libraries to modern solutions while maintaining backward compatibility
• Conducted unit testing with Jasmine and Karma for migrated components, ensuring 100% test coverage across all modules
• Consistently worked on Java Web Services using Apache Axis, WSDL, XSD schema
• Introduced TypeScript for stricter type checking and improved code reliability, reducing production issues by 20%

Environment: Java, Spring Boot, SQL, Angular, REST, GraphQL, ETL pipelines, HTML, Javascript, CSS, AJAX, JSON, IBM MQ, RabbitMQ, Node.js, Jenkins, WebSockets, Webservices- REST, SOAP, WSDL, Apache Axis, Jasmine, Karma, JMock, JUnit

• Developed the Web Services Client using REST, or verifying the new customer history to a connection
• Writing PL/SQL with Stored Procedures, functions to get the information from DB, saving and modifying and removing the data from the DB
• Implemented Java Beans as container of business logic and supporting the services or applications
• Conducted performance optimizations in GraphQL by utilizing DataLoader to batch and cache requests, resulting in a 25% improvement in response times and reducing server load during peak usage
• Assisted in migration projects from on-premises data centers to cloud environments, ensuring minimal disruption to business operations
• Conducted architecture and design reviews, ensuring scalability and alignment with business goals, which helped reduce future refactoring efforts by 20%
• Automated the provisioning of cloud infrastructure using Terraform, reducing deployment time by 50% and increasing efficiency across 3 environments (development, staging, production)
• Implemented efficient state management using Redux and RxJS, reducing page load times by 20% and improving user interaction responsiveness in large-scale applications
• Created reusable UI components and layouts using JavaScript and CSS frameworks like Bootstrap and Tailwind CSS
• Implemented JMS for loosely coupled, reliable and asynchronous exchange of information among J2EE components
• Developed multiple API’s which has to be consumed by subsystems to fetch the statements in real time
• Monitored and optimized application performance using AWS CloudWatch, improving incident response times and reducing mean time to recovery (MTTR) by 40%
• Proactively involved in implementation of Jenkins for continuous build and integration process and integration of SonarQube for continuous inspection of code

Environment: Java, Spring, JDBC, GraphQL, DataLoader, Angular, AWS Services, JavaBeans, Redux, RxJS, JavaScript, CSS, Bootstrap, Tailwind CSS, J2EE components, AWS CloudWatch, JMS, Webservices- REST, Docker, Spring EC2, JUnit, PL/SQL, Java Beans, SonarQube, Jenkins