Jyothsna Devi Email & Phone Number

Jan 2023 – Till date Role: Senior Software EngineerResponsibilities:• Agile development (2-week sprints/Iterations), Test Driven Development (TDD) following Object Oriented Analysis & Design (OOAD), BDD, Junit, Mockito, JIRA, Jenkins, Sonar, Cloud deployments and Code Reviews are part of every day’s work.• Developed application in Spring4.x framework by utilizing its features like Spring Dependency injection (Spring IO), Spring JDBC, Spring AOP, Spring MVC, Spring JPA, Spring Security and Spring Boot, Spring Data, Spring Cloud, Spring Integration.• Strong experience in understanding and implementing the Microservice based architecture and developing/converting monolithic into a micro service-based solution.• Developed RESTful micro services with Spring Boot 3.x support to handle data transfer between internal systems with various other applications.• Implemented logging using log4j and Spring AOP.• Tested microservices using Postman. Integrated Swagger with microservice and provided swagger UI to the respective teams.• Experience in working with Spring Reactive (WebFlux) applications. Implemented Routers and its related handlers to provide reactive based Mono/Flux implementations.• Experience in developing batch operations using Spring Batch and manage database transaction management. Implemented Spring Batch Schedulers, Cron, Steps, Jobs, readers, processors and writers and listeners from scratch to process the high-volume customer data.• Experience in working with Typescript required for GraphQL Implementation and integrating with Spring Boot Applications.• Experience in developing Apache Kafka and Azure Event hub implementation to produce events and consume events from different partitions. • Experience in working with message queues such as IBM MQ, Active MQs as well.

India

Client: Citibank, India Apr 2018 – Mar 2022 Project: Ramco Systems Role: Java Full-Stack developerResponsibilities:• Agile development (2-week sprints/Iterations), Test Driven Development (TDD) following Object Oriented Analysis & Design (OOAD), Junit, Mockito, Jenkins, Cloud Deployments, Sonar, Code Reviews are part of every day’s work.• Experience designing/implementing a complex Spring Boot and Microservice based applications. Implemented RESTful GET, POST, PUT, PATCH, DELETE APIs and tested them using Postman. • Experience in integrating GraphQL with Spring boot. Worked on typescript graphql schemas, resolvers, mutation, query, schema mappings and building dynamic queries for input and output.• Experience with Service oriented architecture (SOA), developing SOAP web services based on JAX-WS (Document Style) using HTTP Protocol on Bottom-Up style development for creating Endpoints.• Extensive experience in working with Spring Batch framework. Used Spring batch to load huge data and calculated the forecast of customer data.• Extensive experience with database transaction management for database related changes by integrating with JDBC, Hibernate, JPA with Spring Boot. Implemented entities, models, services, repositories, utility, configuration, controllers, business layers in a multi-tier architecture. • Used JPA Annotations for Mapping Objects to Tables, hibernate features such as Lazy Loading, Hibernate Query Language (HQL), Criteria and Pagination.• Very good experience in working with multiple spring modules such as Spring IOC/Dependency Injection, Spring Core, Spring Boot, Spring JPA, Spring AOP, Spring Security, Spring Integration, Spring Cloud, Spring Data.• Experience in working with Consuming/Producing events from Apache Kafka.

India

Responsibilities:• Developed an application from scratch to interact with third party applications in token exchange model for authentication, get the data needed and Spring MVC to handle incoming requests and RESTful web services (Implementing JAX-RS API) with a Jackson parser to send data on Web Service Calls in JSON format.• Developed a fully functional prototype application using Html 5, CSS 3, Java script, Angular JS, jQuery and Bootstrap connecting to a REST API server on a different domain.• Worked to secure our RESTful web services using OAuth 2.0 with spring security to authenticate any third-party requests coming in.• Developed and deployed Web Services - REST, JSON to retrieve flight data from third party airlines such as Air Berlin and American airlines.• Experience in working with Spring Boot based web application.• Experience in understanding the micro services architecture.• Worked on accessing JPA data with spring using REST.• Created queues and so JMS are used to allow application components to create, send, receive, and read messages.• Made use of Spring DAO in the data access layer to read, update, delete and persist information into the database.• Used Hibernate 3.0 for running Dynamic SQL to query from database and written mapping definitions for the persistence layer.