Sreesh S Email & Phone Number

Austin, Texas, United States

• Designed and developed IdentityNow (IDN), an IAM SaaS product, with a Micro Service Oriented Architecture using Java 11 and Spring Boot.• Provided cloud-based identity governance solutions globally and implemented distributed tracing with OpenTelemetry and Jaeger.• Used Jaeger to visualize method calls, optimize method flow, and achieve a 20% reduction in inter-service REST calls.• Introduced custom metrics, integrated with Prometheus histograms, and established Grafana dashboard for comprehensive metric visualization.• Utilized Kibana (Elasticsearch) for logging and issue detection, implementing feature flags with LaunchDarkly for secure releases.• Optimized Java batch application for AWS infrastructure, addressing failover issues in Amazon Aurora PostgreSQL database.• Designed a resilient RESTful API for bulk identities refresh with Spring Security, OAuth2, and OIDC Token mechanism.• Leveraged Kafka for publishing audit events, implemented a divided provisioning locking mechanism to enhance data consistency.• Took on-call responsibilities, triaged bugs, investigated PagerDuty alerts, and actively contributed to TechOps meetings.• Used Git for version control, Docker for containerization, and Jenkins for CI/CD in an AWS environment with EC2, DynamoDB, Docker, and Kubernetes.• Designed and deployed an application using CloudFormation templates, automated ECS cluster management, and monitored batch job performance with CloudWatch.• Authored SQL queries, stored procedures, and triggers in PostgreSQL, executed CRUD operations on DynamoDB, and resolved Hibernate lazy initialization error.• Collaborated on UI enhancements with Angular 12, HTML, CSS, TypeScript, and Angular libraries, ensuring an engaging user interface.• Crafted comprehensive test coverage through unit testing (JUnit and Mockito) and rigorous integration testing (Spring Boot Test and WireMock).

Manhattan, New York, United States

• Led development of the Policy Management and Quoting System application using Spring Boot, Micro Service Oriented Architecture, Angular 8.0, React JS, Mongo DB, and MySQL.• Designed UI with Angular 8.0, HTML, CSS/CSS3, SASS, Bootstrap, ensuring responsiveness across devices.• Developed prototypes for admin services using React, Redux, jQuery UI, CSS/Less, adhering to HTML5 standards.• Constructed Bootstrap components with React JS, connected with API data for dynamic rendering.• Implemented Redux Store, React State for server-side rendering, enhancing Reducer logic.• Utilized React-Router, Axios for asynchronous data retrieval, ensuring non-disruptive user experience.• Implemented GraphQL server with Relay framework for asynchronous querying of RESTful API backends.• Integrated jQuery, Bootstrap plugins for responsive design, optimal user experiences.• Integrated business modules with Spring Boot, Spring Data MongoDB, Spring Data JPA.• Employed Spring Dependency Injection, annotations, Spring MVC for modularity.• Developed RESTful API web services with Node.js, Express.js, Body-Parse in MERN application.• Documented RESTful APIs using Swagger2 for clear communication, integration.• Leveraged Redis as primary cache for data access efficiency, storing frequently accessed state objects.• Implemented mongo-connector for pipeline, connecting MongoDB cluster, ensuring synchronization.• Implemented RabbitMQ Services for reliable, asynchronous exchange of critical information.• Deployed Docker images of services, creating Docker files, established continuous delivery pipeline using AWS CodePipeline, Amazon ECS.• Crafted comprehensive unit test cases using JUnit, Cucumber, Protractor, Mocha with Chai, ensuring robust code quality, functionality validation.

Dallas, Texas, United States

• Developed a SOA application with Spring MVC and AngularJS for a responsive user experience.• Engineered a transition from Backbone.js to AngularJS, implementing two-way binding for seamless server-side communication.• Designed interactive web pages using jQuery plugins for enhanced user engagement.• Engineered reusable RESTful services with Spring RESTful Services and the Jersey framework.• Crafted business components with core Java principles and implemented Internationalization.• Built services on Pivotal Cloud Foundry for efficient deployment and scaling of RESTful services.• Provided Cloud environment installation, configuration, and maintenance with Tomcat, Apache, Jetty, MySQL, and JIRA.• Created POJOs, using Hibernate as the ORM tool for seamless data access in SQL Server.• Configured multiple data sources using Hibernate Session Manager for independent and simultaneous database connectivity.• Conducted load testing of SOAP Web Services with SOAP UI and Apache JMeter.• Utilized Spring Validation framework and jQuery calls for asynchronous data retrieval.• Used JMS API for email notifications upon backend process completion.• Captured and stored external data streams in Apache Cassandra for real-time analytics.• Engineered Spring Batch processes for financial reporting applications and modules on an Oracle database.• Created test classes using JUnit and EasyMock, ensuring comprehensive test coverage.• Utilized Docker containers for service deployment on AWS, facilitating scalable service deployment.• Established a streamlined CI/CD pipeline with Jenkins automation and GitHub repositories for automated software delivery.

Chennai, Tamil Nadu, India

• Architected the application using J2EE design patterns and technologies, emphasizing an MVC architecture for streamlined design and development.• Responsible for developing GUI and user interfaces using JSP, CSS, and HTML for new enhancements and modules, while also implementing user request validations through JavaScript.• Implemented forms and action classes for the application, harnessing the power of EJB and the Struts Framework for efficient functionality and user interaction.• Designed and constructed EJB deployment descriptors utilizing XML, while also employing JAXB components to facilitate seamless object transfer between the application and the database.• Used Multithreading concept to post data from files to tables involving transformation of file from one format to another.• Successfully implemented JDBC to establish database connectivity with a MySQL Server, ensuring efficient data retrieval and management within the application.• Designed and executed the MVC Architectural pattern effectively through the STRUTS framework, encompassing the utilization of JSP and Servlets for seamless application development.• Created dynamic web pages utilizing JSP and harnessed the Struts Validation framework to meticulously perform input validation for enhanced data integrity and user experience.• Crafted Ant scripts and orchestrated builds using the Apache ANT build tool.• Employed ClearCase for meticulous source code maintenance and version control.• Designed a Selenium-based test framework to facilitate UI Regression Test Automation and, when required, executed unit test automation using JUnit, enhancing the robustness of testing procedures.• Engineered a sophisticated e-commerce web application utilizing Python and Django, delivering comprehensive and data-driven insights to users.