Divya D. Email & Phone Number

Arlington, Va

● Developed Spring Boot backend services in MVC pattern - controller, DAO, DTO, Service, Models along with integrating Hibernate ORM, AWS (S3) for object storage, Kafka for messaging & catalog services.● Designed and implemented various backend services using Spring Boot, Spring IOC, Spring transactions, Dependency Injection, Spring Annotations, Spring AOP, Spring Actuator, Spring Container managed transactions, Hibernate ORM.● Experience with various relational databases such as MYSQL and PostgreSQL, as well as NoSQL databases like MongoDB.● Proficient in constructing data pipelines by implementing Kafka producers and consumers utilizing Java and Spring Boot.● Implemented the authentication and authorization of the application using Spring Security and OAuth2.● Enhanced the performance of multiple backend services by leveraging Redis in-memory database, resulting in reduced API latency.● Followed Agile SCRUM methodologies with tasks/stories/projects spread across a 2 week sprint.● Deploy, manage and test various backend services on Amazon Web Services (AWS) - EC2, ELB, S3, RDS, IAM, Lambda, SNS, SES, Elastic Cache.● Created detailed documentations on confluence as a part of feature completion documentations and knowledge transfers.● Designed RESTful services, optimizing communication efficiency for system components integration. ● Experience in utilizing logging, monitoring, and alerting tools like Splunk and New Relic for debugging and better system performance visibility.● Extensive experience in defining JPA entities, entity relationships, and mapping annotations to represent database tables and columns in object-oriented form. Environment: Spring Boot, Core JAVA, Java 8, REST API, AWS, JWT, Oauth 2.0, MySQL, PostgreSQL, MongoDB, Spring Security, Spring AOP, Microservices, Hibernate, IntelliJ, Redis, Kafka, Junit, Mockito, GitLab-CI, Postman, Swagger-UI, Splunk, Kubernetes, Maven, Gradle.

India

● Pivotal role in design, development & testing of RESTful backend services, including essential features like authentication, orders and cancellation policies using Spring Boot, Java, MySQL, PostgreSQL, MongoDB. ● Integrated and utilized Redis - in memory database caching service to enhance service performance, thereby reducing API latency.● Implemented AWS S3 integration to facilitate the storage of images and CSV files, optimizing import/export processes for data management.● Actively managed, integrated and deployed services on AWS - EC2, ELB, RDS, Autoscaling, S3, IAM, Lambda, Elastic Cache, SNS.● Gained expertise in Unit testing using JUnit and Mockito and Integration testing.● Implemented CI/CD pipelines with Gitlab-CI to deploy pre-prod and prod deployment workflows.● Implemented user authentication and user roles apis using Spring Boot. Implemented custom annotations to handle authentication and access validation for multiple roles - admin, vendor, customer.● Implemented authentication using Facebook and Google OAuth for better customer usability.● Designed and implemented REST APIs for complete newsletter-service to create, publish, delete, draft newsletters for admin portal and customer iOS App.● Implemented real time catalog service updating latest trending products using Java, SpringBoot, Kafka (Pub/Sub) & AWS S3.● Integration of Redis as a caching for faster feeds for landing page and trending products, categories and offers.● Implemented REST APIs to fetch feeds using pagination and POST apis to add offers for landing page and manual addition of trending products, categories and advertisements.● Actively engaged in regular code reviews and design discussions and evaluations.Environment: Spring, Spring Boot, Hibernate, Core JAVA, Java 8, REST API, OAUTH, MongoDB, PostgreSQL, AWS, Microservices Architecture, IntelliJ, Docker, Kubernetes, Redis.

Bengaluru, Karnataka, India

● Crafted a solid dashboard for insurance, including customer enrollment and yearly plan selection, contributing to seamless operations and improved user experiences using Java, Spring Boot and React.js● Introduced essential feature enhancements using python Scripting, ensuring semantic checking and data type mapping, resulting in enhanced data accuracy and system reliability.● Developed backend services to automate and streamline repetitive tasks for the Automation team increasing productivity by 35%.● Worked and supported continuously on build deployments, releasing base and patch sets of products, configuring of new setups and environment maintenance as part of VERCON.● Implemented JSON Web Tokens (JWT) for secure user authentication, ensuring a seamless and protected trading experience for users.● Involved in enhancing the Portal UI internal to the organization using JavaScript, JSP, HTML, and CSS as per the requirements and providing client-side.● Utilized Spring Core Annotations to implement Dependency Injection.● Engaged in utilizing Hibernate ORM for persistence, employing Hibernate annotations to map ORM objects.● Employed MongoDB for the storage of trade and user data, optimizing database performance and achieving a 40% reduction in query response time.● Integrated Spring Boot with Redis for data caching, improving data retrieval efficiency and reducing latency within the microservices architecture.● Developed RESTful APIs with Spring Boot, Spring MVC, and Java 8, leveraging Streams and Lambda expressions to optimize data processing efficiency.● Implemented server-less components using AWS Lambda.● Designed and implemented the user interface using HTML5, CSS3, JavaScript and React JS. ● Used JIRA and confluence for agile development and participated in team-led solutions, reviewing peer’s code for quality and completeness.Environment: Spring, Spring Boot, Hibernate, Core JAVA, Python, React.js, HTML, CSS3, REST API, JWT, MySQL.