Stack Developer Software Development
Resume:
Gnana Tejaswini .Net Full Stack Developer +1-720-***-**** ***********@*****.***
PROFESSIONAL SUMMARY
9+ years of experience as a Senior .NET Full Stack Developer with over years of experience designing, developing, and delivering scalable, secure, and high-performance enterprise applications across healthcare,finance,airlines, and government domains.
Expertise in all stages of the Software Development Life Cycle (SDLC), including requirement gathering, design, development, and support, with practical knowledge of Agile and Scrum methodologies.
Proficient in designing and developing 3-Tier and N-Tier client/server applications using UML, design patterns, and key frameworks such as ASP.NET, MVC, ADO.NET, Entity Framework, and Web API.
Extensive experience in building rich web applications using HTML5, CSS3, JavaScript (Angular/React/Knockout/Require.js), AJAX, and jQuery, ensuring a responsive and user-friendly interface.
Strong background in Service-Oriented Architecture (SOA), working with Web APIs, SOAP, RESTful services, WCF, and integrating .NET technologies with JSON for seamless interoperability.
Hands-on experience with dependency injection (IoC), third-party controls like Telerik and Infragistics, and implementing design architectures such as MVC, MVVM, and MVP for scalable solutions.
Solid experience with large-scale databases (SQL Server, MySQL, Oracle), including the ability to write complex stored procedures, triggers, functions, and optimize SQL queries for performance.
Expertise in unit testing, integration testing, and test-driven development (TDD) using MS-Test, NUnit, and QUnit, ensuring reliable and bug-free code.
Proficient in source code management with Git, TFS, SVN, and Visual Source Safe, ensuring efficient version control and collaboration within teams.
Excellent problem-solving, debugging, and troubleshooting skills, with extensive experience in using tools like Fiddler, Firebug, SQL Profiler, and Log4Net to maintain high-quality applications.
Skill Matrix:
Category
Technologies
Operating Systems
Windows 7/8/10, DOS, Unix, Linux
Web Technologies
ASP.NET, MVC 5.2/5.0/4.0, Web API, WCF, HTML, CSS, jQuery, JavaScript, Angular JS, Angular, Bootstrap
.NET Technologies
.NET Framework, ASP.NET Web API, ASP.Net Core, ASP.NET MVC, ADO.NET, WPF, Entity Framework, LINQ
Scripting Languages
VBScript, PowerShell
Programming Languages
C#, VB.NET, C, C++,Python,Java,Typescript
Databases
SQL Server, SSIS, SSRS, MongoDB, PostgreSQL, PL/SQL, Oracle Database
Tools
Log4Net, Automapper
Web Servers
IIS 5.0/6.0/7.0
Reporting/Integration
SSRS, SSIS
Development Tools
Visual Studio, TFS, GitHub
Methodologies
Agile, Scrum, Waterfall
PROFESSIONAL EXPERIENCE:
Cardinal Health - Dublin,Ohio .Net Full Stack Developer July 2024 to Present
Responsibilities:
Collaborated with cross-functional teams and product owners in Agile Scrum ceremonies Sprint Planning, Daily Stand-ups, Sprint Reviews, and Retrospectives to drive successful delivery of healthcare application features for Cardinal Health, ensuring alignment on sprint goals, story prioritization, and timely resolution of project blockers..
Developed a telehealth platform with a responsive front-end using Angular 16+, TypeScript, and HTML5, enabling seamless virtual doctor consultations, appointment scheduling, and remote patient monitoring.
Designed an intuitive and accessible UI with Angular Material, Tailwind CSS, and Bootstrap, ensuring compliance with WCAG 2.1 accessibility standards for patients with visual impairments.
Integrated WebRTC to enable secure, high-quality, real-time video consultations, improving communication between patients and healthcare providers.
Built RESTful APIs and GraphQL endpoints using ASP.NET Core 8 and C# with from enabling the secure and efficient exchange of electronic health records (EHR), prescription data, and patient profiles.
Used Entity Framework Core 8 for efficient data access and manipulation in SQL Server 2022, leveraging LINQ, lazy loading, and change tracking.
Adopted MVC architecture in the backend to separate concerns, ensuring maintainability of critical modules such as authentication, scheduling, and consultation management.
Integrated HL7 and FHIR standards for interoperability, allowing seamless integration with third-party healthcare systems like hospitals, pharmacies, and insurance providers.
Integrated DICOM and PACS protocols for managing medical images such as CT scans, MRIs, and X-rays, enabling radiologists and doctors to access them securely within the platform.
Optimized database performance using T-SQL, LINQ, indexing, and stored procedures for faster data retrieval.
Utilized XML for secure data exchange between the telehealth platform and external systems, adhering to HL7 and FHIR standards.
Applied Factory and Singleton patterns to optimize object creation and manage microservices, improving maintainability and scalability.
Implemented OAuth 2.0 and OpenID Connect for secure authentication, enforcing multi-factor authentication (MFA) and role-based access control (RBAC) for secure access to patient data.
Used Azure Blob Storage for secure storage of medical data and Azure Functions to automate workflows like reminders and alerts, ensuring HIPAA compliance.
Implemented caching with Redis to improve response times for frequently accessed patient records and health logs, reducing server load and enhancing user experience.
Configured and managed Azure AD / Entra ID for identity and access management across cloud and hybrid environments.
Designed and optimized end-to-end ETL pipelines using SSIS and custom C# scripts to extract, transform, and load data from heterogeneous sources into SQL Server and PostgreSQL data warehouses, supporting datasets exceeding 500 million records for analytics and reporting; implemented messaging queues (Kafka, MSMQ) for real-time ingestion and event-driven processing.
Designed and implemented identity governance policies using Entra ID for secure user lifecycle and role management.
Containerized and deployed the microservices architecture using Docker and orchestrated them with Kubernetes (AKS) to ensure high availability and scalability.
Automated the extraction, transformation, and loading (ETL) of medical data using Azure Data Factory and SSIS, facilitating smooth migration from legacy systems to the cloud-based platform.
Set up event-driven communication between microservices using Azure Service Bus and Apache Kafka, ensuring real-time notifications for health alerts and system updates.
Configured CI/CD pipelines in Azure DevOps and GitHub Actions, streamlining build, testing, and deployment processes, reducing manual intervention and accelerating development cycles.
Stored sensitive data securely in Azure Key Vault, including encryption keys, authentication credentials, and API secrets, to ensure data integrity and security.
Developed WCF services for secure SOAP-based communication, integrating with external healthcare systems via HL7 and FHIR standards.
Automated unit, integration, and end-to-end testing using xUnit, NUnit, Moq, Cypress, Selenium, JMeter, and Postman, achieving 95% test coverage and ensuring high-quality releases.
Environment: Angular 16, ASP.NET Core, C#, REST APIs, GraphQL, ETL,Azure, Docker, Kubernetes, Kafka, WCF, OAuth 2.0, xUnit.
Northern Trust - Chicago, Illinois .Net Full Stack Developer May 2022 to June 2024
Responsibilities:
Participated in Agile ceremonies Sprint Planning, Stand-ups, Retrospectives and closely collaborated with cross-functional teams including product owners, QA, and DevOps.
Architected a microservices-based solution using ASP.NET Core 6 Web APIs and gRPC, modularizing business domains like credit scoring, loan management, and fraud detection based on Domain-Driven Design (DDD) principles.
Developed secured, scalable RESTful APIs in .NET Core for transaction processing, payment routing, customer onboarding, and KYC validation. All services used JSON as the standard data exchange format.
Integrated Entity Framework Core to abstract database operations, implementing repository patterns and LINQ-based querying for core business modules.
Developed a responsive, role-based Single Page Application (SPA) using Angular 14, TypeScript, Angular Material, and Bootstrap, enabling intuitive dashboards for account overviews, payment workflows, and loan approvals.
Followed OpenID Connect (OIDC) and OAuth 2.0 standards for authentication and authorization using Microsoft Entra ID, enabling secure Single Sign-On (SSO) and token-based session management across applications.
Exposed APIs through Azure API Management (APIM) for secure and scalable external consumption, applying throttling policies and role-based access controls.
Designed the relational data model in PostgreSQL, optimizing indexes and views to handle millions of transaction records with high availability.
Integrated Apache Kafka to enable an event-driven architecture, ensuring decoupled and reliable communication for transaction alerts, fraud events, and notification services.
Developed unit and integration tests using xUnit and Moq, achieving over 95% test coverage across service layers.
Used Jasmine for Angular unit testing and Protractor for end-to-end scenario validation.
Utilized Postman and Swagger UI for API contract testing and documentation. Collaborated with QA and product teams to validate features and user journeys.
Created and managed CI/CD pipelines using Azure DevOps, enabling automated builds, test executions, and multi-environment deployments to Azure Kubernetes Service (AKS).
Deployed the entire application on Azure, leveraging AKS for container orchestration, Blob Storage for secure document storage (e.g., transaction receipts, KYC), and Azure Service Bus for asynchronous processing.
Applied Log4Net for centralized application logging, capturing critical events, error traces, and performance metrics for auditing and diagnostics.
Managed source code in Git, using feature branching and pull request workflows for peer-reviewed code merges.
Actively tracked tasks and backlog items using JIRA, ensuring smooth sprint delivery, bug tracking, and team collaboration.
Environment: Angular 14, .NET 6, C#, SQL Server, Azure (AKS, DevOps, Functions, Key Vault, Blob Storage, Service Bus), Kafka, GraphQL, gRPC, Terraform, xUnit, Selenium.
State of Illinois-Springfield Illinois .Net Backend Developer August 2020-April 2022
Responsibilities:
Developed a web application for the State of IL Government Service Portal using Angular 8 and TypeScript, enabling citizens to access services like license renewals, tax filings, and public records requests.
Designed the frontend using HTML5, CSS3, Bootstrap 4, and Kendo UI, ensuring the platform is responsive, accessible, and user-friendly for both mobile and desktop users.
Implemented AJAX and JQuery to create dynamic, real-time content updates for service requests, tax filings, and status updates, enhancing user experience across the portal.
Developed RESTful APIs and SOAP services using ASP.NET MVC 5 and Web API 2, offering secure data exchange between systems and integration with external government services via SOA architecture.
Secured the application using ASP.NET Identity for user authentication, supporting Single Sign-On (SSO) and multi-factor authentication (MFA) through OAuth 2.0.
Integrated SQL Server 2016 as the relational database, optimizing data access with T-SQL stored procedures and queries, ensuring fast retrieval of tax records, citizen information, and service requests.
Used ADO.NET Entity Framework 6 for data management, allowing seamless querying of service requests and transaction data using LINQ for efficient database interaction.
Developed SSRS reports for real-time generation of customized reports and implemented SSIS for seamless data integration and migration with external and legacy systems.
Integrated AWS S3 for secure document storage and used AWS CloudWatch to monitor performance, track logs, and ensure compliance with government data regulations.
Developed and deployed automated background jobs with AWS Lambda, sending notifications to users for updates on service requests, reminders, and status changes.
Set up CI/CD pipelines with TFS (Team Foundation Server) and Jenkins, automating code builds, testing, and deployments, ensuring faster and more reliable releases across environments.
Integrated Power BI to provide real-time dashboards and visualizations for state administrators, enabling decision-makers to monitor service request trends, tax filings, and system performance.
Docker containerized application components, while Kubernetes (EKS) managed scaling, load balancing, and microservices across environments.
Implemented Apache Kafka for real-time event streaming and Elasticsearch for fast, high-performance searching and indexing of tax records, public requests, and application logs.
Environment: C#, Angular 8, TypeScript, ASP.NET, MVC 5, Web API 2, Entity Framework 6, SQL Server, AWS S3, Lambda, CloudWatch, TFS, Jenkins, Power BI, Docker, Kubernetes, Kafka, Elasticsearch.
Jet Blue – Newyork City .Net Developer March 2018 to July 2020
Responsibilities:
Developed a customer-facing web portal using Angular and TypeScript, allowing users to easily access flight booking, customer support, and travel-related information.
Built a responsive design using Bootstrap 4, HTML5, and CSS3, ensuring the portal worked seamlessly across desktop and mobile devices.
Designed dynamic forms for user feedback, flight issues, and customer service requests using JavaScript and jQuery.
Created a back-end system using ASP.NET Core and C#, developing APIs for flight booking management, issue tracking, and customer support.
Managed customer and flight data using SQL Server, improving data retrieval and processing for customer requests.
Implemented secure user authentication with OAuth 2.0, ensuring safe logins and user data protection.
Optimized database queries to improve the performance of flight search and customer support features.
Integrated cloud-based storage solutions for securely storing customer documents such as travel documents and images.
Developed a notification system to keep users updated on flight statuses and customer service inquiries.
Built APIs that allowed customer service reps to quickly access flight details, booking statuses, and customer inquiries.
Deployed both front-end and back-end systems using Azure App Services, ensuring scalability and smooth performance during high traffic periods.
Implemented continuous integration and delivery (CI/CD) pipelines to streamline software updates and reduce manual effort.
Conducted regular unit testing and performance monitoring to ensure the reliability of the portal and quick issue resolution.
Applied SSL/TLS encryption to protect sensitive user data during communication with the server.
Environment: Angular, TypeScript, HTML5, CSS3, Bootstrap, ASP.NET Core, C#, EF Core, SQL Server, OAuth 2.0, Azure SQL, Blob Storage, AKS, Azure DevOps, xUnit, Application Insights.
Aricent Technologies - Bangalore, India Software Engineer May2014 to Nov 2017
Responsibilities:
Collaborated in system specification meetings to analyze user requirements and coordinated with team members for efficient development using C#, jQuery, JavaScript, HTML, CSS, and SQL Server for web and backend application features.
Developed stand-alone applications using C#, Entity Framework, and LINQ to process and store incoming third-party data in the database, improving data handling and integration.
Built RESTful APIs to consume third-party services (XML, JSON, and Excel data), parse them, and save the information into the database, enhancing data exchange capabilities.
Implemented load testing to evaluate site performance and scalability, measuring page response time, memory usage, and CPU utilization, ensuring application reliability.
Designed and created database objects (stored procedures, functions, triggers) in SQL Server 2012 and used LINQ for efficient data querying and filtering from various sources.
Used AJAX, jQuery, and JavaScript to implement client-side validations and improve user experience while interacting with backend RESTful APIs for real-time data updates.
Documented and unit tested developed features, ensured seamless integration with TFS and GIT for version control, and presented SQL Reporting Services (SSRS) reports to track project progress and performance.
Environment: .NET Framework 4.5, XML, LINQ, SQL Server 2012, ASP.Net 3.5, Web Forms, HTML, JavaScript, CSS, AJAX, VS 2005, Toad, VSS
Bachelors in Computer science, India VVIT college of Engineering. April 2014
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