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Name: Chattumala Divya
Email: EMAIL AVAILABLEContact No: PHONE NUMBER AVAILABLE
LinkedIn: https://LINKEDIN LINK AVAILABLESr Full Stack .Net Developer_____________________________________________________________________________________________PROFESSIONAL SUMMARY: Over 10+ years of experience in SDLC, Object Oriented software systems, and developing web, Windows, client/server, N-tier distributed apps with MVC architecture. Experienced Software Engineer with expertise in full lifecycle development using Agile methodologies. Expertise in developing application using .NET 4.6/4.5/ 4.0/ 3.5, .NET Core 1.0/2.0/3.1, ASP.NET Core 1.0/2.0/3.1, MS Visual Studio, MVC 5/4, C#, C#.Net, ASP .Net Core Web App, ASP.NET Core Web API, ASP .Net MVC 5, LINQ, AJAX, XML, JavaScript, jQuery, JSON. Proficient in OOP/OOD principles like Inheritance, Polymorphism, Encapsulation, Abstraction, Dependency Injection. Implemented Onion, MVC, N-Tier, Microservices architectures, leveraged design patterns like Singleton, SOLID, MVVC, MVC across 3-tier, N-tier, SOA architectural styles for scalable, modular, maintainable software systems. Developed ASP.NET Web API RESTful services with JSON/XML responses, custom formatters for efficient data exchange, improved API functionality. Developed web applications using ASP.NET Razor Pages, focusing on data binding and form handling. Proficient in ORM frameworks such as Entity Framework, ADO.NET, and Entity Framework Core to streamline database operations. Designed and executed comprehensive test plans, test suites, and test cases to ensure software quality. Specialized in developing ADO test plans to streamline the testing process. Leveraged Python's extensive libraries and frameworks, such as NumPy, Pandas, and Matplotlib, for data analysis and visualization. Extensive experience with Azure API Gateway, OAuth2, SSL, JWT for secure data delivery; proficient in Identity and Access Management (IAM) including Active Directory, LDAP integration. Proficient in frontend technologies including Angular, Vue.js, React, Blazor, html5, cascading style sheets, Bootstrap, jQuery, JavaScript, Node.js, and Ajax in UI development. Experienced in ASP.NET controls, data grids, and SPA development using HTML5, CSS3, Angular JS, XML/XSLT, TypeScript, ASP.NET MVC/Core, Web API, Ember.js, with expertise in RXJS, NGRX, ES6, and ES5. Experienced in managing relational (SQL Server, MySQL, PostgreSQL, Star Dog) and NoSQL databases (MongoDB, DynamoDB, Cosmos DB, Couch DB). Adept at installing and managing databases (MySQL, PostgreSQL, MongoDB) on Linux servers, handling user management, backup/restoration, performance tuning, and database maintenance. Hands-on experience in Oracle and MS SQL Server, including T-SQL, PL/SQL for database operations and maintenance, with working knowledge of Multiple Dimension Expressions (MDX). Extensive experience in database design and data access, including RDBMS - tables, triggers, logical and physical modeling, access strategies, tools, and concurrency models. Proficient in Apache Kafka, RabbitMQ, MSMQ, and WebSphere MQ for resilient message processing in distributed applications. Proficient in various testing frameworks like Karma, Mocha, Chai, Jasmine, Selenium, Jest, Protractor, NUnit, XUnit, Cucumber, and Citrus for comprehensive automated integration testing. Proficient in API development lifecycle, utilizing Postman, Swagger/Open API, and SOAP UI for design, testing, and created technical documentation. Skilled in Azure services (Service Bus, Storage, AKS, Virtual Machines, Blob Storage, Log Analytics, Cosmos DB/Table API) and Azure DevOps for CI/CD, with hands-on experience in Python, PowerShell, and Azure PowerShell. Expertise in developing, deploying, and maintaining high-performance mobile applications for both Android and iOS platforms, with a focus on user experience and platform optimization. Hands-on experience with the IONIC framework, creating responsive, cross-platform mobile applications using Angular, TypeScript, and Cordova, with a strong emphasis on performance and custom component development. Experienced in Amazon AWS services (EC2, S3, RDS, EKS, Lambda, SNS, SQS, ECS, CloudWatch) for scalable cloud-based application deployment and management. Proficient in industry-standard version control systems (TFS, Git, GitHub, SVN and Visual Source Safe) for efficient source code management and collaboration across the software development lifecycle. Proficient in utilizing monitoring tools like AppDynamics, Splunk, and logging frameworks such as Log4Net to ensure comprehensive application monitoring, log analysis, and troubleshooting capabilities. Experience in Responsive Web design by using CSS pre-processors using COMPASS, SASS, SCSS and LESS, Media Queries and frameworks like Bootstrap, Materialize CSS, Ionic Framework and Phone Gap. Strong understanding on Mobile Application Development using Xamarin, Ionic, Swift. Strong experience in working with Power BI, SSRS, Telerik Reporting, and Crystal Reports. Responsible for checking cross browser compatibility for Safari, Internet Explorer, Mozilla Firefox, Google Chrome. Expertise in designing and developing Cloud based solutions in Microsoft Azure IoT, APIM, AAD, and Docker Containers OpenShift Container Platform (OCP). Skilled Software Developer with a proven track record of delivering high-quality, maintainable code. Experienced in utilizing debugging tools, techniques, and strategies to troubleshoot and optimize application performance.TECHNICAL SKILLSProgramming LanguagesC, C++, C#, VB.NET, Typescript, Java, PL SQL, Python, Go Lang.Web TechnologiesXML, HTML/HTML5, XHTML, CSS/CSS3, jQuery v3.0, JavaScript, Angular.js v6.0-12.0, Angular 12/13/14/16/17, React.js 16/17, AJAX, Bootstrap, Node JS, JSON, PHP, Angular material, Jasmine framework, Leaflet Design and Material design..NET Technologies.NET Core 3.1, .NET Framework, ASP.NET Web API, ASP.Net Core, ASP.NET MVC, ADO.NET, WCF, WinForms, WPF, Entity Framework, LINQ.Design PatternsMVC, MVVM, Singleton, Factory, DI, SOA.Database Development
SQL Server 2012/14/16/17/19, Oracle, T-SQL, MongoDB, PostgreSQL, DB2.Software MethodologiesSDLC, Agile.RAD/IDEVisual Studio 2013/15/17/19/22, Visual Basic, Visual Studio Code.Cloud TechnologiesMS Azure, AWS.ORM FrameworksEntity Framework Core, Entity Framework, ADO .Net.Modeling and Design ToolsMicrosoft Vision, UML.Operating SystemsWindows, LINUX, UNIX.TestingPostman, Soap UI, Fiddler, MS-Test, NUnit, Jasmine, xUnit.Version Control & CollaborationGit (GitHub, GitLab, Bitbucket), Visual Source Safe, JIRA, TFS, SVN.PROFESSIONAL EXPERIENCE
UBS, Weehawken, NJ Nov 2022 till nowSenior .Net Full Stack DeveloperResponsibilities: Proficient in overseeing all SDLC phases from requirement gathering to deployment, practicing Agile/Scrum, and adept at managing global development resources for timely delivery of next-generation solutions. Implemented N-tier Microservices architecture for Enterprise MSDA Inferential Model Monitoring Application used for Model Analysis. Utilized .NET 6 for efficient building of web applications and HTML5 for front-end banking systems, incorporating C# for business logic, experienced in C# development for the financial sector, specializing in custom software solutions including core banking systems, loan management, and customer relationship management (CRM). Familiarity with persistence technologies like NHibernate as a .Net ORM tool for efficient data access and management.
Designed and implemented RESTful APIs using .NET WebAPI2, facilitating seamless communication between frontend and backend systems. Utilized Angular 17+ to build responsive and dynamic user interfaces, enhancing user experience and interactivity. Designed and developed full-stack web applications using ASP.NET Core for back-end development and Angular for front-end interfaces, ensuring seamless integration and performance. Implemented microservices architecture and developed RESTful APIs, utilizing Docker for containerization and Kubernetes for orchestration, enhancing scalability and deployment efficiency. Built dynamic and responsive user interfaces with React and TypeScript, providing a smooth and interactive user experience. Managed and optimized data storage and retrieval processes using SQL Server and Entity Framework, ensuring high performance and data integrity. Developed comprehensive solutions using ASP.NET MVC for server-side logic and JavaScript frameworks for client-side functionality, ensuring robust and maintainable code. Integrated CI/CD pipelines with Azure DevOps, streamlining the development and deployment process across multiple stacks and reducing time-to-market.
Implemented ASP .NET Core Web API, Azure Functions - Controllers, Async/Await via Entity Framework (EF). Managed Oracle database systems, including schema design, query optimization, and data migration, to support efficient data storage and retrieval. Integrated Angular components with .NET back-end services via RESTful APIs for seamless front-end and back-end communication and data synchronization. Proficient in UML application modeling and Deployment Diagrams for designing and visualizing software architecture and system behavior. Experienced in utilizing JSON for efficient data transmission and storage. Configured Azure API Management (APIM) and Azure Active Directory Authentication (AAD) using OAuth 2.0 Implicit flow. Developed Single Page Application (SPA)- Angular application with good interactive design using TypeScript framework in Angular 14.
Implemented Lazy Loading for asynchronous loading the Angular Modules. Proficient in Angular 14 for dynamic web applications, with expertise in HTML5, CSS3, JavaScript, Bootstrap, .NET Blazor front-end, WPF, and TypeScript, developing interactive Single Page Applications (SPA). Worked on MongoDB database concepts such as locking, transactions, indexes, sharing and replication. Applied Asynchronous Communication between the Microservices utilizing Apache Kafka Messaging Services. Implemented automated CI/CD pipelines using Jenkins to streamline the deployment of Docker images on Amazon EKS (Elastic Kubernetes Service). Familiarity with configuring and optimizing Unix/Linux systems to support scalable and secure application deployments. Performed unit testing for .NET application using NUnit, xUnit and Moq. Conducted unit testing on Angular components using Jasmine and Karma. Extensive experience with configuration management tools such as Chef and Ansible for automated deployment and configuration of applications and infrastructure. Successfully managed and deployed applications on Kubernetes clusters, ensuring high availability and scalability. Utilized Postman for JSON response viewing, ensuring user-friendly for testing. Utilized Azure DevOps for end-to-end CI/CD pipeline orchestration, including creation of Build and Release pipelines with GIT for version control across multiple environments. Experienced in architecting and deploying scalable and resilient cloud-native applications on Microsoft Azure, utilizing a wide range of Azure services such as Azure Kubernetes Services (AKS), Experienced in implementing identity and access management solutions using Azure Active Directory (AAD), including user authentication, single sign-on (SSO), and role-based access control (RBAC). Proficient in leveraging Azure Monitor, Log Analytics, and Application Insights for monitoring, troubleshooting, and optimizing Azure resources and application performance and availability. Utilized SonarQube for code quality analysis and continuous inspection to ensure high software reliability and maintainability. Employed build tools like Visual Studio Code for streamlined development processes. Experienced in customizing log4net, layouts, and filters to tailor log output formats and levels according to application needs. Utilized JIRA expertise to streamline development workflows, provide transparency into team progress, and deliver projects successfully.Environment: SDLC, Agile, N-tier, .NET 6, C#, HTML5, ASP .NET Core Web API, Azure Functions, Entity Framework, Restful APIs, JSON, Azure API Management, Azure Active Directory Authentication (AAD) using OAuth 2.0, SPA, TypeScript, Angular 14, lazy loading, HTML5, CSS3, JavaScript, Bootstrap, .NET Blazor, WPF, MongoDB, RabbitMQ, nUnit, xUnit, Moq, Jasmine, Karma, Postman, Azure DevOps, CI/CD, GIT, AKS, AAD, SonarQube, Visual Studio Code, log4net, JIRA.Centene Corporation, St Louis, MO Apr 2020 Oct 2022Sr .NET Full Stack Developer
Responsibilities: Implemented Agile practices to streamline project management. Implemented Onion Architecture principles to create a modular system with explicit separation of concerns across presentation, application, domain, and infrastructure levels. Created backend RESTful Services using ASP .NET Web API and provided request responses in JSON and XML formats and implemented custom formatters. Proficient in Entity framework Core for .Net data access layer design and implementation. Implemented Remote Validation using unobtrusive JavaScript and JSON. Responsible for integrating AWS API Gateway with AWS Lambda functions as backend services for executing serverless functions in response to API requests, leveraging AWS S3 (Simple Storage Service) for storing and retrieving unstructured data such as documents and images. Implemented JWT and OAuth 2.0 for enhanced user authentication across applications. Utilized Angular 12 and jQuery for web application development, including input field validations, data binding, migration from Angular 12, and integration of Kendo UI components for enhanced user experience.
Designed dynamic client-side JavaScript codes to build web forms and simulate process for a web application, page navigation using Angular 12.
Applied DB first approach and utilized Entity Framework Core for integrating .NET Core application with SQL Server DB. Utilized Jenkins for deploying Docker Images on the EKS (Elastic Kubernetes Service). Implemented XUnit testing framework to enhance testing efficiency. Facilitated thorough code reviews and promoted cross-team collaboration, potentially leveraging Jasmine and Karma for comprehensive testing practices. Responsible for integrating AWS Web Jobs & functions using Postman for testing, ensuring robust License Plate Read functionality, and overseeing WPF UI testing during development. Executed CI/CD operations using Jenkins, orchestrating the deployment of applications on the AWS cloud infrastructure. Utilized AWS services like EC2, S3, CloudWatch, SNS, and Lambda for infrastructure setup, content storage, monitoring, and real-time data processing workflows. Proficient in Git for version control and logging mechanisms with NLog. Utilized Visual Studio Code to develop and maintain mission-critical retail application.Environment: .NET Framework, C#, ASP.NET Web API, Web API, Angular 12, JavaScript, REST API, Visual Studio Code, .NET 4.8 Framework, GIT Repository, Postman, Microsoft SQL Server, AWS, EC2, S3, CloudWatch, SNS, Lamda, Nlog, RabbitMQ.Kia Motors, Irvine, CA Aug 2018 Mar 2020.NET DeveloperResponsibilities: Worked with Agile and Scrum Methodology with VSTS for Sprint activities. Expertise in designing and implementing scalable and secure web application using the MVC architectural pattern. Developed complex database queries and designed GUI components using WPF controls in Asp .NET MVC 5. Developed service-oriented architecture (SOA) with RESTful web services for efficient data retrieval using .Net Web API. Utilized LINQ, Lambda Expressions to query, and Entity Framework to implement the MVVM design pattern, streamlining data access and enhancing application performance. Developed GUI using jQuery, JavaScript, JSON, CSS/SCSS/LESS, and ASP.NET MVC for interactive web interfaces. Developed UI/UX components using JavaScript, HTML/HTML5, Cascading Style Sheets, AJAX, jQuery, Bootstrap, and React. Utilized React 16 component-based architecture and virtual DOM to create dynamic and interactive user interfaces enhancing responsiveness. Experience with state management libraries like Redux or MobX to efficiently manage application state. Proficient in SQL Server database management, including writing complex queries, stored procedures, triggers, and optimizing database performance through indexing strategies and query tuning, ensuring data integrity, security, and efficient data access for mission-critical applications. Utilized the XUnit testing framework to automate test execution, improving testing efficiency, and facilitating streamlined result reporting. Utilized TFS version control for seamless collaboration and code management. Employed Visual Studio Code for streamlined development processes, integrating with SQL Server for scalable data storage solutions. Performance tuning of complex stored procedures to reduce the response time of the application. Experienced in customizing log4net appenders, layouts, and filters to tailor log output formats and levels, ensuring alignment with specific application requirements. Responsible for bugs/ tickets for future enhancements and worked in Production support. Used SAP Crystal Reports for generating numerous reports from scratch. Developed Styles, Templates, Resource files, Triggers using Expression Blend.
Involved in complete application stack in Amazon Web Services (AWS) like EC2, S3 Bucket. Responsible for maintaining and expanding AWS (Cloud Services) S3 infrastructure using AWS (SNS, SQS). Extensively worked on the WCF services for retrieving the data. Developed User Controls and Custom Controls Standard Library for the Client Control Repository.Environment: .NET Framework, ASP .NET MVC, ASP .NET MVC Framework, Visual Studio Code, .NET Web API, MVVM, Entity Framework, JQuery, JavaScript, JSON, CSS, React JS, HTML, HTML5, CSS3, AJAX, Bootstrap, Redux, Mobx, Team Foundation Server, SQL Server, log4net, Agile, AWS, EC2, S3 Bucket, SNS, SQS, WCF Services.
Q2ebanking, Austin, TX Jan 2016 July 2018.NET DeveloperResponsibilities: Participated in Agile (Scrum) development methodologies, leading daily stand-up meetings and sprint planning. Skilled in ASP .NET MVC Framework and developed Views using Windows Form Controls and Telerik Tools. Coded in Presentation Layer, Business Logic layer and in Data Access Layer of the application using VB.NET. Enhanced SOAP service integration with internal and external systems, ensuring seamless communication and data integrity through XML-based messaging. Used Enterprise Libraries (Application Blocks) and ADO.NET for connecting to the database. Proficient in crafting dynamic and responsive user interfaces using React, HTML, CSS, JavaScript, and AJAX to enable dynamic content loading, ensuring smooth and engaging user experiences across various platforms and devices. Implemented CI/CD with Azure DevOps (Pipelines, Boards, Repos, Test Plans), configured Azure AD for authentication/authorization, managed IAM for Azure services (Subscriptions, AD, Application Proxy, AD Connect, Pass Through Authentication). Integrated Azure Application Insights for application monitoring/logging, utilized Azure Blob Storage for static file/media storage in .NET apps ensuring scalability. Proficient in designing intricate SQL queries, stored procedures, triggers, and functions to effectively retrieve, manipulate, and administer data with precision. Developed data-driven unit and integration tests utilizing xUnit theories, parameterized tests, and custom attributes. Utilized TFS for version control, managing code changes, and facilitating collaboration among team members throughout the software development lifecycle. Leveraged Visual Studio as the primary development environment, seamlessly integrating with SQL Server to ensure efficient and scalable data storage solutions. All reports from legacy systems to QNXT and converted them to technical implementation. Developed User Controls Standard Library for the Client Control Repository. Responsible for requirement gathering from the End-Users and Business Analyst to develop the application and to modify the existing code.Environment: .NET Framework, ASP .NET MVC Framework, WFC, Visual Studio.NET, VB.NET, MVVM, ADO .NET, Telerik Controls, Web Services, SOAP, SML, React, HTML, CSS, JavaScript, AJAX, Azure DevOps, Azure AD, SQL, xUnit, Agile (Scrum)Dimension Data, India Aug 2013 Oct 2015Junior .NET DeveloperResponsibilities: Proficient in Waterfall methodology, consistently delivering successful projects through systematic planning and strict adherence to project specifications. Skilled in ASP.NET Web Forms for creating data-driven web applications with CRUD functionality. Experienced in developing and consuming secure, reliable SOAP-based web services using WCF for distributed system communication. Used ADO.Net technology extensively for data retrieving, querying, storage and manipulation interface screens developed using ASP.Net. Developed daily reports using SSRS according to business requirements, incorporating XML and XPath for creation, reading, and manipulation of XML data. Skilled in crafting responsive UI elements with HTML5, CSS, jQuery, Kendo UI, and Knockout JS, utilizing AJAX and JSON for seamless data interchange, enhancing web experiences. Leveraged PostgreSQL and .NET expertise to construct resilient data-driven web applications within a dynamic team environment. Exercised professional responsibility by meticulously managing code versioning and ensuring team collaboration through the utilization of SVN for version control. Proficient in deploying and configuring Web Deploy to facilitate smooth application deployments onto IIS servers. Supported QA testing, logged work in JIRA, and conducted thorough code reviews to ensure deployment readiness in the QA environment.Environment: .NET Framework, Waterfall, ASP .NET Web Forms, ASP .NET, Visual Studio, SOAP, WCF, ASP.NET MVC, MVC, XML, HTML5, CSS, jQuery, Kendo UI, Knockout JS, AJAX, JSON, JavaScript, JQuery, postgreSQL, SVN, JIRA, IIS, SSRS.EDUCATION :
CMR Institute of Technology, Hyderabad 2009 2013Bachelor of Technology (BTech), Computer Science |
