• Worked with Agile methodology and actively participated in Scrum meetings as a part of SDLC, to produce quality deliverables.• Developed presentation layers using HTML5, CSS3 to build single page application to navigate through the different statuses and multiple models.• Experience in enhancing application performance by Angular 10 component-based development given future Angular framework transitions Implemented Java8 features like Lambda expressions, Streams, filters, etc. • Created Spring Boot with Java 8, and Microservices utilizing RESTful API.• Utilized Spring core, AOP, and security to build robust business operations with transactional support. • Transitioning to a Microservices-based approach to break huge monolith functionality-wise in microservices.• Designed and developed Microservices business components and Restful service endpoints using Spring Boot.• Implementing the Microservice architecture with Spring Boot-based services interacting through a combination of REST.Developed Restful Web services for other systems to interact with our system and secured the service with OAuth. • Developed the DAO layer for the application using Spring, and Hibernate and developed various business logic and reports using HQL and Hibernate Criteria.• Configured AWS Identity Access Management (IAM) Group and users for improved login authentication.• Worked extensively with AWS services like EC2, S3, DynamoDB, VPC, ELB, Autoscaling Groups, Route 53, IAM, CloudTrail, CloudWatch, CloudFormation, CloudFront, SNS, and RDS. • Created a Continuous Delivery process to include support for building Docker Images and publish into a private repository- Nexus v3.• I have experience maintaining CI environments with build automation tools like Jenkins, Bamboo and TFS and extensively used Jenkins to streamline CI/CD process automated Master-Slave configurations using temporary slaves.

• Developed a Single Page Application using Angular 8.• Developed Spring Boot Application using Maven as a build tool. • Used Java 1.8 features like Java Stream API, Lambda expressions with references, Collections, ConcurrencyAPI, etc. to enhance the code quality and readability.• Created and injected Spring microservices, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes. • Constructed Spring Boot four layers including model, DAO, service and controller. Manipulated database with Hibernate and created Entity to interact with persistence. Integrated users with roles and granted users with three kinds of permissions. Normalized complicated relationships among tables to optimize database structure.• Used MongoDB as a central repository to store data using Spring Mongo Template class and Mongo Repository Interface.Implemented RESTMicroservices using spring boot. • Generated metrics with method level granularity and persistence using Spring AOP and Spring Actuator.• Involved in development and testing of Microservices with Restful Api which actively involved in Analysis, Design, Development and User Acceptance Testing• Written complex SQL join triggers and Stored Procedures.• Performance tuned SQL queries and Stored Procedure implemented in Oracle, MySQL Databases.• Used SonarQube to analyze code test coverage, bugs, validations, code duplications and code quality.• Developed Involved in writing stored procedures and functions in PL/SQL to access Oracle database.• Diverse experience utilizing tools in N-tier and Microservices architecture applications using Spring Boot, Spring Cloud config, Netflix OSS components (Eureka, Zuul, Hystrix), Pivotal Cloud Foundry, AWS, Rabbit MQ, ci, Zookeeper, Cassandra, My SQL, Restful Web Services.

• Involved in all stages of SDLC like Requirement Analysis, Design, Implementation in Agile Methodology.• Developed presentation layers using HTML5, CSS3, and Angular 4 router to build single page application to navigate through the different status and multiple models.• Used Angular 6 to associate HTML5 elements to model and provide dynamic user validations on client side.• Worked on UI components using Angular 6, Dependency Injection, Data Binding, and controllers.• Worked on Java8 features like Lambda expressions, Streams, filters, optional classes, and default methods.• Used Executor Service Interfaces, ThreadPoolExecutor class for multi-threading& thread resource pooling.• Worked on Spring MVC Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache, Spring Boot components to implement business layer and navigation part of application.Developed the Application using design patterns-Singleton, Factory, Observer Design Patterns, DTO prototypend Composite View.• Implemented Microservices architecture with Netflix, Spring Eureka using Spring Bootto provide client-side load balancing in calls to another Microservicesfor making application into smaller chunks and the Spring Hystrix as circuit breaker and for the fail-safe.• Involved in developing Restful service API’s end points in microservice architecture.• Developed Mongo DB Data Access Layer implementing Mongo Repository interface from Spring Data.• Developed various SQL queries and PL / SQL Procedures in Oracle DB for the application.• Developed ApacheSpark jobs using Java in a test environment for faster data processing and used SQL.• Worked on multiple environments across EC2 servers with Docker hosts &Kubernetes to manage Docker images.• Designed and Developed the Automation Testing Framework using Java, Selenium, and Web Driver.Used Git as a Version Control System for the application.

• Assist in Software Development Life Cycle (SDLC) which includes development, design, analysis, testing and Integration of various web-based and client/server applications in multi-platform environments with Java/J2EE technologies.• Designed and created DAO, Model, and Component for consistency.• Familiarized with Angular CLI for building and creating a component, services, modules, and initialized routing functionalities. • Used Angular 4 HTTP services for asynchronous validations for the input fields of the forms with the data that existed in the database.• Created custom, self-contained, reusable, and testable Angular 4 modules, controllers, directives, and services to implement key functionalities for customer account summaries.• Worked on RESTful API to create services, tested on Postman.• Migrated Database from SQL Databases (Oracle and SQL Server) to NO SQL Databases (Cassandra/MongoDB). Used Spring IOC, AOP, and Spring Boot to implement middle tier.• Worked on the creation of Docker container images, tagging, pushing images, and integration with the spring boot• created the Docker containers and Docker consoles for managing the application life cycle.• Used Spring Boot for building applications with Spring initializers bootstrapping the build configuration and developing custom solutions that act upon Jenkins information in authentic time.• Developed strategy for integrating internal security model into new projects with Spring Security and Spring Boot.• Setting up redundancy to multiple Availability Zones (AZ) for EC2 instances. • Good understanding of setting up Route 53 for AWS Web Instances& ELB & Cloud Front on AWS Environment.• Involved in Creating MongoDB topics, partitions, and writing custom practitioner classes.• Developed test cases and performed unit testing using Junit and Developed JUnit test cases for elements, web beans, handlers.

• Designed and implemented Object-Oriented Analysis and Design (OOAD) solutions using Java 7, spring, and Hibernate, which improved the performance and functionality of the application.• Utilized Spring AOP module to enhance application functionality by implementing interceptors, which were triggered before and after method execution.• Leveraged Hibernate framework and its caching mechanism to efficiently persist large amounts of trade/order data with the database, while integrating Spring framework for dependency injection.• Designed and executed Hibernate configuration file, hibernate mapping files, and defined persistence classes to persist the data into the Database, resulting in streamlined data storage and retrieval.• Deployed applications to the development environment using Maven scripts, which effectively fetched, built, and deployed applications.• Demonstrated experience in integrating Tomcat 6 and WebLogic 10.3.2 servers with other technologies such as Apache, Nginx, and load balancers, resulting in efficient and effective application deployment.• Utilized Oracle SQL Developer for writing queries and procedures in SQL, and resolved issues routed through trouble tickets from the production floor, effectively managing and resolving technical issues.• Demonstrated proficiency in Git branching and merging, using Git for collaboration, and using Git with CI/CD tools, which enhanced the overall project management and collaboration process.• Wrote Unix, Shell, and Bash Scripting, contributing to the overall development process and ensuring efficient system administration.• Coordinated work with DB team, QA team, Business Analysts, and Client Reps to complete the client requirements efficiently, ensuring effective communication and collaboration throughout the development process.