Manasa Nallamada

• Involved in all stages of Agile Software Development Life Cycle (SDLC) for project
• Gathered requirements and collected necessary data, pushing it into Big Data environment
• Participated in Daily Scrum meetings, sprint grooming/review, and demos with management and other teams
• Optimized pipeline quality and improved development cycles by 50% in 10-plus pipelines
• Developed two new APIs, enabling project managers from different regions to convert costs, streamlining process and improving accuracy
• Optimized response turnaround time for two APIs and refactored over a hundred Java classes
• Focused on design, coding, testing, and quality assurance of specific product features in scrum development team
• Conducted design reviews with Product Managers, Quality Assurance, and User Acceptance teams, resolving customer escalation issues and facilitating custom development for business scenarios
• Implemented GraphQL APIs to optimize data fetching and reduce over-fetching on backend, integrating them with React components on the frontend
• Utilized NodeJS for non-blocking design operations in server-side code and Angular.js framework for developing various UI components
• Developed AngularJS directives to enhance functionality and UI behavior using JavaScript
• Reduced production incidents by 40% through production synthetic/acceptance tests and resolved high-severity issues during on-call periods
• Created automation scripts improving customer experience on an internal website, enabling customers to complete tasks 50% faster
• Designed, built, secured, and managed clusters/workloads running on self-managed Kubernetes, Amazon EKS, Amazon ECS, and AWS Fargate
• Built data pipelines in GCP using Airflow for ETL-related jobs with various Airflow operators
• Worked with Google Cloud Platform (GCP) services such as Compute Engine, Cloud Load Balancing, Cloud Storage, Cloud SQL, Stackdriver Monitoring, and Cloud Deployment Manager
• Designed and implemented a comprehensive suite of automated tests using JUnit and Mockito, resulting in a 50% reduction in bug reports and improved software reliability
• Configured Microservices architecture, integrated it with the React JS application, and utilized React & Redux Dev Tools plugins for observing component state and prop changes
• Expertise in JUnit testing using Mockito and Power Mockito, integration testing, and SOAP UI testing
• Led SSL to TLS migration effort, implementing TLS 1.2 across multiple applications and services, ensuring compliance with security best practices
• Set up and built AWS infrastructure for various resources like VPC, EC2, RDB, S3, IAM, EBS, Security Group, Auto Scaling, SES, SNS, and RDS using Cloud Formation JSON templates
• Implemented and maintained monitoring and alerting for production and corporate servers such as EC2 and storage like S3 buckets using AWS Cloud Watch
• Utilized Cloud Front to deliver content from AWS edge locations to users, reducing load on front-end server

Environment: Java, JavaScript, HTML5, CSS3, Bootstrap, SQL, MongoDB, Node JS, NoSQL, Eclipse, Jenkins, Log4j, Oracle, Elastic Load Balancer, AWS, Docker.

• Created applications based on Microservices architecture, utilizing Spring, Spring Boot, Hibernate, Spring DAO, Gradle, JDBC, and Oracle
• Utilized Eureka for calling proxy Microservices
• Analyzed, designed, developed, tested, and implemented a Java-based web application for underwriters of a major United States insurance client
• The application automated document and report processes, increasing underwriter productivity by 45%
• Optimized existing code by refactoring server and implementing Executor Service for multithreading, resulting in 40% performance improvement
• Designed regression test scripts for entire application, facilitating end-to-end manual application testing, and minimizing implementation errors
• Conducted unit and integration testing at the developer's end
• Developed, tested, and implemented Java-based tools using Service-Oriented Architecture for a major European credit insurance client
• The application monitored the status of all running applications supported by the client, providing a one-click solution to improve application efficiency
• Implemented Single Sign-On (SSO) using OpenID and SAML protocols, enabling secure access to multiple web applications with a single set of login credentials, enhancing user experience
• Designed and implemented RESTful APIs using OpenAPI specification, enabling automatic generation of client libraries and server stubs
• Ensured consistency and ease of use for developers
• Developed web pages for different modules using Servlets and XML
• Utilized Angular, HTML5, CSS4, and Bootstrap for UI development
• Implemented Service-Oriented Architecture (SOA) and object-oriented programming (OOP) concepts
• Worked with SOAP and REST web services
• Migrated an Oracle 11g database to a PostgreSQL database using the ESF Database migration toolkit
• Deployed PCF (Pivotal Cloud Foundry) on AWS EC2 to manage containers and implemented OAuth2 token-based authentication using Spring Security for securing APIs
• Implemented security on microservices using Spring Boot Auth server and JWT tokens as the OAuth2 mechanism

Environment: AWS, Java, J2EE, Spring, OpenID, SAML, WebLogic, Restful, jQuery, JavaScript CSS, JSP, SERVLET, Oracle, OAUTH2,SQL Server, JSON, ReactJS, SQL, Eclipse.

• Designed and developed microservices business components using Spring Boot for the Controller and Service layers
• Participated in requirement gathering and business analysis, translating business requirements into technical design for Hadoop and Big Data
• Utilized Hibernate as the Object Relational Mapping (ORM) tool for backend data persistence
• Wrote Hibernate Query Language (HQL) queries for data retrieval and processing in business methods
• Integrated the application with the Spring framework for implementing Dependency Injection and providing abstraction between the presentation layer and persistence layer
• Developed front-end user interfaces using JSP, AngularJS, HTML5, and CSS3, integrating them with Spring Boot
• Implemented AngularJS Routing for single-page application functionality
• Implemented JSF and wrote Controller classes for handling requests, form submissions, and validations using Common's validator
• Worked extensively on MQ Series for processing sales requests using point-to-point and publisher/subscriber messaging domains with JMS Messages
• Developed CRUD operations with MongoDB (NoSQL) and managed customer details
• Developed web-based customer management software with SOA architecture using Spring and web services
• Designed and developed RESTful web services with JSON representation for handling AJAX requests
• Integrated REST API with Spring using Spring Rest Templates and developed RESTful web services interfaces to Java-based runtime engine and accounts
• Utilized XML technologies like XPath, XSLT, and JAXB for data exchange and presentation
• Wrote SQL commands and stored procedures for data retrieval from the database
• Created new views and added columns to existing views using SQL
• Utilized design patterns such as factory, singleton, facade, front controller, iterator, and MVC for flexible and reusable application modules
• Developed key services for authorization and authentication, initially using LDAP and later migrating to Ping Access-SSO (Single Sign-On) Application
• Practiced Test-Driven Development (TDD) and wrote test cases using JUnit framework for unit testing during development
• Utilized GIT for software configuration management and version control
• Used Maven for building the application and deployed it on Apache Tomcat Server
• Implemented Log4J logging framework for debugging, maintenance, and structured storage of runtime information
• Conducted component testing using JUnit and Mockito during development
• Experienced in continuous integration using Jenkins and wrote batch processing jobs for auto populating the database at specific times of the day
• Followed the Agile Scrum incremental process for Agile Software Development methodology and created stories in JIRA
• Demonstrated good interpersonal skills and collaborated effectively with project team members, including business analysts, team leads, architects, and the QA team
• Coordinated with the team and project manager for project build, release, and operations

Environment: Java 8, J2EE, Spring MVC, Hibernate, JPA, Oracle, Mongo DB, RESTful web services, UML, XML, JSON, JMS, MQ Series, JSP, JavaScript, AngularJS, HTML5, CSS3, JSF, XPath, XSLT, JAXB, Servlets, JUnit, Maven, Log4J, Apache Tomcat, Jenkins,Git Hub, JIRA

• Participated in various stages of the Software Development Life Cycle (SDLC) using agile methodology including requirements gathering, analysis, design, development, and testing
• Created user-friendly GUI interfaces and web pages using HTML, CSS, jQuery, and JavaScript
• Utilized Spring MVC, Ajax, and Dependency Injection to handle presentation and business logic
• Developed and maintained various Java applications using Spring Framework and Hibernate ORM
• Streamlined data migration by developing a batch process in Java to resolve data inconsistency between applications and avoid impacts on business reporting
• Implemented a business module by developing business rules, modifying database tables, and UI configuration changes
• Created and implemented REST ful web services using Spring Boot and Jersey
• Developed and maintained SQL scripts to support data integration and migration
• Utilized Jenkins for continuous integration and deployment of the application
• Conducted unit testing and functional testing to ensure high-quality code delivery
• Collaborated with cross-functional teams to understand business requirements and provide technical solutions
• Worked on agile development methodologies like Scrum and Kanban to ensure timely delivery
• Integrated various APIs like Google Maps API, Amazon S3 API, and Twilio API for project requirements
• Optimized application performance by conducting code reviews and improving algorithms
• Developed and maintained documentation for code and processes
• Participated in team meetings and provided regular status updates on the progress of the project
• Utilized AngularJS, jQuery,and CSS for form-based authentication
• Focused on Spring components such as Dispatcher Servlets, Controllers, Model and View Objects, and View Resolver while developing applications using Spring Modules following the MVC design pattern
• Consumed Web Services to exchange data with external interfaces in XML format using SOAP2
• Utilized Oracle SQL Server for data storage and extensively used PL/SQL queries, stored procedures, joins, and functions for complex queries and data analysis
• Modified SQL queries and stored procedures to communicate with the database for application requirements.