KRISHNA
.Net Full Stack Developer
571-***-**** ********.****@*****.***
LinkedIn: https://www.linkedin.com/in/krishna-sureddy-989172230/
Professional Summary
- 11+ years of experience in the IT industry, specializing in .NET Full Stack Development and cloud platforms.
- Expertise in C#, .NET Core, MVC, WCF, RESTful APIs, and Entity Framework for developing scalable web applications.
- Proficient in Microsoft Azure, including Azure App Services, Azure Functions, Cosmos DB, Blob Storage, and CI/CD workflows.
- Strong background in front-end frameworks (Angular, React, Vue, Blazor) and modern UI/UX design practices. Experience in database design and optimization with SQL Server, MongoDB, and Cosmos DB. Experienced in Agile methodologies, DevOps practices, and automated testing frameworks.
- Extensive experience on Azure HDInsight, Azure Cosmos DB, Azure Databricks, Azure Stream Analytics. Extensive experience as a lead/architect. had multiple designations and moved up the hierarchy. Ensure code and design meets specifications, quality standard, and is maintainable.
- Executed Kusto query language (KQL) for Azure App Insights and Cosmos Queries (SCOPE) and published the data into Power BI and Tableau for Small Business Dashboards. Experience in N Unit testing and Unit testing for test cases.
- Have extensive experience in Oracle SQL & PL/SQL code optimization, writing batch processes with performance as main goal in Oracle 10g/11g.
- Experienced working on Okta and SAML single sign-on with various client applications to allow access to central authentication services based on requirements.
- Experienced in Healthcare integration experience with HL7 and HIPAA. Managed and worked with offshore BizTalk development team complete BizTalk development for HIPAA and HL7 healthcare transactions. Expert knowledge of HIPAA X12 EDI transactions such as 837 and 835.
- Migrated on-prem monolith applications to Microservices (Containerized) and deployed them to EKS and AKS, OpenShift improving reliability, uptime, performance and reduction in deployment time to Production.
- Designed and implemented the application using Microservice Architecture for its various distinct advantages like loose couplings and design patterns. Development of ERP solution using architecture and Microservices. Extended a custom domain driven microservices architecture built on top of ASP.NET Web API and HTTP protocol.
- Developed and tested .NET MAUI for Cross device platform development. Experience with Xamarin mobile cloud testing platform and Development, Debugging of mobile apps with Xamarin / Visual Studio Emulators for Cross platform like IOS and Android.
- Migrated data from on-premises data servers onto Microsoft Azure Cloud platform utilizing Azure data factory and Deployed .NET application to Azure Cloud Service project as part of cloud deployments.
- Implemented Realtime cross platform GPS location updates between ASP.NET MVC based web apps and ROLP mobile app using SingnalR. Plugged in the signature pad plugin from the Xamarin component store for acknowledgement of the possession of the firm assets
- Created and developed fully mobile responsive web applications with vanilla JS and CSS Grid, Implemented vanilla JS event delegation for easier DOM manipulation. Created Data Templates with standard values in Site core CMS version 9.
- Engaged with quality and performance assurance teams in White Box Testing techniques such as Unit Testing, Integration testing with Nunit Framework. Implemented third-party library to optimize the code such as Auto Mapper.
- Development and production support of web application built in Mendix, the application processes insurance orders and medical exams for healthcare and insurance companies.
- Acted as facilitator to user acceptance testing to verify the final execution of a product with key stakeholders HTML, CSS, React, Redux, JavaScript, SASS, API integration
- Maintained and enhanced multi-tiered, distributed application architecture powered by Elasticsearch.net and NEST, structure map, NHibernate, and NServiceBus.
- Importing requirements, creating test cases, validating requirements with test cases and generate reports using MAUI framework. Used Microsoft’s Internal MAUI and MITA framework to un write/test automation scripts
Technical Skills
Programming Languages/Design Environments
C#, C, C++.NET 4.8/4.5/4.0/3.5, VB.NET Silverlight, ADO.NET, Stylus Studio, .Net Core, Microservices, WinForms, Webforms, WCF, WPF, Entity Framework, MS-FrontPage, Zend Studio IDE, CSF, Dreamweaver 4.x, Flash CS4/CS3, Flex 3.x/2.x, IBM Rational Modeler
Web
Technologies/Tools and Monitoring Tools
MVC, ASP.NET, WCF, Web-Services, XHTML, HTML, HTML5, Web Services/Methods (XML, JSON, SOAP) Web API Core 2.0, MVC 5, Graph QL, Express Blend, WPF, Silverlight (2/3/4)
Monitoring Tools: Nagios, Hobbit, Fiddler, Splunk
Scripting Languages and Enterprise Scheduler
XML, CSS, JavaScript, Blazor, Angular JS, Angular2,4,6,7,8,10,12,14,16, React JS, Vue JS, Knockout JS, React, Node JS
Enterprise Scheduler: CA7, TIDAL, AutoSys
Databases and Container Technologies
MS SQL Server 2012/2008R2/2008/2005, MySQL, ORACLEDB, MS-Access, DB2 UDB V9.7, V10.1, Tera Data- 14, Natural/ ADABAS, NoSQL, Cosmos DB, MongoDB, SQL SSRS/SSIS (Reporting Services/Information Services) PostgreSQL
Container Technologies: Vagrant, Docker, Jenkins, Kubernetes, GitHub, OpenShift
Platforms & Servers and Web Services
Microsoft IIS (Internet Information Server) 7.5, Visual Studio 2015/2013/2012/2010, VS code, Windows NT/2K/XP, Unix, APACHE 3.x/2. x. Postman.
Web Services: SOAP, REST, WSDL, CXF, WCF.
Programming area and Cloud Technologies
Web Applications, Desktop (Windows) Applications, Software Integration, database Design & Programming Components, Amazon Web Services (AWS): SES, SNS, SQS
MS Azure, Azure IoT hub, Azure Edge, Device Provisioning Service, Event Hub, Azure Service Bus, Topic and Queues, Azure Functions, Azure Logics Apps, Microsoft Azure (ADLS, Databricks), Azure Container Service, Web Jobs, Service Fabric, Application Insights (KQL), Azure SQL Server, Azure Storage, Cloud to Device communication, Device Twin. (Amazon Web Services) AWS (EC2, S3, CloudWatch, EMR, RDS, Elastic Cache, IAM), Cloud guard, AWS Cost Explorer, Cloud Health.
Web Mobile& Version Control tools:
Web Mobile: ASP.NET, MVC, Web API, HTML5, DHTML, CSS, Angular, React JS, Vue JS, JavaScript, jQuery, AngularJS, MAUI, SignalR, Xamerine, XAML, JSON, AJAX, Express JS, Nest JS,Bootstrap, XML, IOS SDK, XSLT, XAML, SOAP.
Version Control Tools: VSTS, Bitbucket GitHub, Team Foundation Server, REACT, Node JS, Knockout JS, SVN, Rational Clear Case, PVCS, Visual Source Safe
Development Methodologies and Testing Tools
Development Methodologies: SCRUM / Agile Methodology, RAD, XP.
Testing Tools: Selenium Web Driver/RC/IDE/GRID, QTP 11.0/10.0/9.5, Bugzilla, LoadRunner, JMeter, Cucumber, SOAP UI, Rally, Jasmine, N-Unit, TFS, Visual Source Safe, MS Visio, ANT, Maven, Karma, Apache POI, Postman
Professional Experience
Lead .NET Full Stack Developer
State of Louisiana (Office of Technology Services) Baton Rouge, LA Oct 2018 – Present
- Developed, designed tested and documented WLF Workflow Web application which is also called ARCADIA for the internal employees and supervisors and human resources and Property in the department of wildlife and fisheries for the state of Louisiana, Also Worked and maintained, deployed projects ROLP (Recreation Leasing Off-Shore Permit, and JEA (Joint Enforcement Authority) and Motorboat.
- Designed microservices-based backend using .NET Core and integrated with Azure Blob Storage for file management.
- Architected and Developed EdLink OPS, a web application for early childhood providers using .NET Core, VueJS, ReactJS, Blazor, and SQL Server.
- Involved in the solution architecture for different business applications to meet the end customer and user needs. Made architectural decisions based on the business requirements to develop web, windows and batch processing applications. Designed, architected and developed new features of the existing public and internal website.
- Created real-time GPS updates between web and mobile apps using SignalR and Xamarin. Developed reusable UI components using Blazor and ensured responsiveness with Bootstrap.
- Enhanced reporting systems using Power BI, generating dashboards from KQL queries on Azure App Insights.
-Enhance and re-architect key components of the .NET Blazor WASM application hosted by .Net Core, utilizing MudBlazor components, while optimizing backend integration with a SQL Server database and Azure Blob Storage for file management.
- Designed and consumed XML web services using Microservices and consumed docker’s to develop Container’s for the Microservices. Designed and Developed Container Management Rancher to publish Containers.
- Experience with Xamarin mobile cloud testing platform and Development, Debugging of mobile apps with Xamarin / Visual Studio Emulators for Cross platform like IOS and Android.
- Refactor and implemented an event logging framework for our applications. Agile environment. Developed Dynamic Enabled IVR Apps, Hosting Environments, Data Modeling, APIs, Tested React Native vs. other Frameworks, Business Logic, MVC .NET Core, Xamarin,
- Implemented Realtime cross platform GPS location updates between ASP.NET MVC based web apps and ROLP mobile app using SingnalR. Plugged in the signature pad plugin from the Xamarin component store for acknowledgement of the possession of the firm assets
- Created a User-friendly web page by creating hot keys for the application of which few are application specific while few are for the whole website.
- Compiled Datadog logs for root cause analysis of disabled users in Agency Management services. Worked on an Angular web application used to automate the process of calculating US state taxes to be withheld for vendors using NodeJS and MongoDB with 3TStudio.
Key Achievements:
- Developed, Architected designed tested and documented WLF Workflow in various projects primarily Arcadia and ROLP.
Provided high availability for IaaS and PaaS role instances for access from other services in the C #.Net with Azure Internal Load Balancer, Azure Functions, Azure App service.
- Spearheaded the transition to Azure DevOps CI/CD pipelines, reducing deployment time by 30%.
Full Stack .NET Developer
CGB Enterprises Inc. Covington, LA Apr 2018 – Oct 2018
- Built internal claims management tools using .NET Core, Angular, Vue, and Azure Cloud Services.
- Experience working with creating and implementing internal applications for Claims team as the CGB Crop Insurance Advantage division is a very heavily government regulated industry.
- Worked for Team Claims which deals with Claims, Policies and APH (Annual Production History), SBI (Substantial Business Interest) and Hail Menu. Premium Calculation, calculation tool, considers how a policy is managed.
- Developed REST APIs for data exchange between client and server, enhancing performance by 20%.
- Collaborated on creating mobile apps using React Native and optimized layouts for seamless UI.
- Worked on creating various types of indexes on different collections to get good performance in Mongo database and dealing with JSON data from Mongo DB database.
- Experienced in dealing with Windows Azure IaaS - Virtual Networks, Virtual Machines, Resource Groups, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto scaling.
- Wrote ReactJS websites using C# .Net CORE & React Native Mobile Apps. Created and Updated Scan Docs Option on Claims Screen, which is a key for its menu.
- Used QuickBooks (accounting software) to organize all financial needs in one place. Maintaining all types of payments and invoices at one place. Design roles and groups for users and resources using Azure Identity Access Management (IAM)
- Designed and deployed containerized applications using OpenShift and Terraform.
Import the WSDL file into ARGO customization tool and write the business logic in ARGO transactions-based business requirements.
- Created various RESTful services using WEB API2 to return serialized JSON data, which are later, consumed through Angular services.
- Analyzed the SNET request and responded to XML’s by using SOAP UI tool while converting WSDL files into Argo.
Key Achievements:
Automated reporting processes with SSRS, streamlining claims data visualization.
Created User controls for reusable like Child windows and Grids in WPF and Created converters to data manipulation in WPF.
Manage the resting process, schedule batch tests, log and track defects using MAUI framework. Followed in page object design pattern for writing test cases in TestNg. Manage the testing process, schedule batch tests, log and track defects using MAUI framework
.NET Developer
Sprint Corporation (T-Mobile) Overland Park, KS Dec 2016 – Feb 2018
- Developed a cost-modeling application using ASP.NET MVC, Azure IoT Hub, Identity Access Management (IAM)and Cosmos DB for dynamic pricing.
- Experience with container-based deployments using Docker, working with Docker images, Docker Hub and Docker-registries and Kubernetes. Implemented Microservice architecture, based services interacting through a combination of REST and leveraging AWS to build, test and deploy Identity Microservices.
- Experience working on AWS, with EC2, RDS, Dynamo DB, Lambda, S3 and Cloud watch and AWS SDK. Experience in developing Spark jobs using Spark Core, Spark SQL and involved with Dev-ops teams.
- Streamlined installation of OpenShift on partner cloud infrastructure such as AWS and Azure. Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
- Designed the framework in C# based on repository pattern to access the MongoDB. Experience with NoSQL MongoDB in working with collections, indexes, shards, and other database management tasks.
- Implemented Back-end REST Api- Automate REST API (GET, POST, PUT, PATCH, DELETE) using SOAPUI tool. Used SOAP UI tool to test SOA based architecture applications to test SOAP services and REST API.
- Designed and deployed containerized applications using Docker and managed orchestration with Kubernetes.
- Integrated APIs for real-time data streaming with Kafka and RabbitMQ. Responsible for instituting Test-Driven Development using N-Unit and NHibernate and Agile Development, best practices within the existing development process.
- Experience using Hadoop Daemons and MapReduce concepts. Good knowledge of Hadoop Cluster architecture and monitoring the cluster.
Key Achievements:
- Responsible for Device management includes onboarding the devices using Device Provisioning Service (DPS) DPS allows one single façade for devices to connect to for provisioning. Multiple IoT hubs can be configured in the DPS. Policies can be set in DPS to provision devices on IoT hub as per policy.
-Responsible for Development, deployment of cost-modeling application using ASP.NET MVC, Azure IoT Hub, Identity Access Management (IAM)and Cosmos DB for dynamic pricing
- Designed IoT platform services in tandem with Confidential architects using best design principles. ERoutes is a new initiative to bypass CAT gateway and directly use IoT Hub for devices. Registering of e-route device on IoT Hub, IoT hub custom endpoints to route data. Foundation services are part of the new connect Initiative and Establish using Azure IoT hub at Custom Solutions Modeler Project Application
.NET Developer Analyst
Depository Trust and Clearing Corporation (DTCC) Jersey City, NJ October 2015 – November 2016
- Designed and deployed containerized applications using Docker and managed orchestration with Kubernetes. Perform PCI audits on front-end pull requests and add bug fixes to features on a large-scale, multi-repository billing interface project using AngularJS, LESS, HTML5, Git, and Gulp/Grunt.
- Develops custom controls for integration with Kentico CMS that utilizes its given API structure.
- Load Data from Oracle database system to the mortgage application database. Load Data from other websites are a merger to mortgage application ’s Database (Argus - Oracle).
- Developed a CMS related module on web application using Kentico CMS. Designed and developed with architectures in migration plan from Word Press and Drupal to Kentico CMS. Developed an Administrative and Financial Management (AFM) site module from static html over to Umbraco 7.1.9 CMS
- Responsible for installation & configuration of Jenkins to support various Java builds and Jenkins plugins to automate continuous builds and publish Docker images to the Nexus repository. Implemented Kafka for message streaming. Connected to Kafka topics using various topics, brokers related information.
- Designed and developed the Windows application which consisted of a Win forms GUI with business objects for code reusability. Execute using Jenkins to achieve continuous integration, agile development and test-driven development.
- Experience working on Facets configuration relating to Member eligibility, Benefit configuration, Billing, Group - Class-Plan-Product, Claims, Workflow, Application Support. Worked in developing and configuring Facets Extensions (Embedded, XCOM, XSQL) using C#, VB .NET, SQL. Extensive experience in Facets version upgrades projects.
- Implementation of Claims In and processing flow within Facets platform. Possess strong knowledge in ITS Home & Host implementation on Facets platform.
- Experience in Windows Presentation Foundation (WPF) screens and worked with Restful services and Windows Communication Foundation (WCF) services. Developed GUI based administrative application to track the data using VB.Net Win Forms.
Key Achievements:
Responsible for the implementation/rollout of the new Mortgage Originating System
Created custom directives for reusable components used across the application. Worked with WEB APIs to make calls to the web services using URLs, which would perform GET, PUT, POST, and DELETE operations on the server. Mortgage Processor: Using React JS, React Hook, Material UI, Hooks, React Native, Rxjs, Java Spring Boot, My Batis, JPA, and Native API to implement cross platform mobile App and web portal for mortgage agents/brokers to process applications.
.NET Developer Analyst
V Communication Systems (Health Care) Hyderabad, India Jan 2012 – April 2014
-The project integrated all dealerships of Medi-Care and Omega Hospitals across India to implement Customer Relationship Management and Dealer Management System with the private insurance firms that will help them to collect patient and Common Services Teams data to effectively manage its sales and service processes.
-It helped health groups to best understand patients and Health Insurance needs, market trends and plan its products, strategies and growth accordingly. Right to Value (R2V) Subsidy upgrades on Classic rate plans consume significant Market Invest. Migration Fee to change rate plan to Value remains a necessary hurdle to protect initial SAC/SRC investment. Patients on pooled family plans do not migrate to Value plans due to significant migration fees for all lines on the BAN.
-Developed and implemented testing/QA POS (VeriFone 305, 350, 500) and smart card to be used in Doctor Offices. Developed Database to collect data and produced reports for doctors and send claims to Insurance Company.
-Experience working and maintaining in application development using Design Pattern Repository Pattern VB.NET Application and jQuery for Supply Chain domain.
Key Achievements:
Developed on-line systems to facilitate the exchange of healthcare information via data line. Systems included the batch process, claims process, and batch switch process for eligibility and authorization procedures on Stratus and VeriFone.
Education
Master of Science in Information Technology Management
Campbellsville University 2018 – 2020
Master of Science in Information Technology
Virginia International University 2014 – 2015
Bachelor of Technology in Information Technology, Anurag University (JNTUH) 2009-2013