.Net Developer Stack

Charan Dulipala +1-904-***-**** ******.**********@*****.***

Sr. Full Stack .net Developer LinkedIn

Professional Summary

Senior .NET Full Stack Developer with 9+ years of experience delivering scalable, secure, and high-performance enterprise applications using .NET 8, C# 12, ASP.NET Core Web API, and Entity Framework Core across healthcare, finance, and government domains.

Proven expertise in modern front-end frameworks including Angular 18 and TypeScript, building responsive, HIPAA-compliant, and user-friendly interfaces with state management using NgRx and RxJS.

Skilled in designing and implementing cloud-native microservices architectures on Microsoft Azure (AKS, App Services, Azure DevOps, API Management), ensuring seamless CI/CD automation, containerization with Docker and Kubernetes, and secure authentication via OAuth2 and Azure AD B2C.

Extensive experience with relational and NoSQL databases such as SQL Server 2022, MongoDB, and Apache Cassandra, focusing on query optimization, data consistency, and compliance with healthcare standards like FHIR and HL7.

Strong advocate of Agile methodologies, SOLID principles, and Test-Driven Development (TDD) using xUnit, Moq, Jasmine, and Karma, delivering maintainable code and reducing post-release defects by up to 40%.

Technical Skills:

Category

Skills

Programming Languages

C# 12, TypeScript, JavaScript, Node.js

Web Technologies

ASP.NET Core 8 (Web API, MVC), WCF, Angular 18, Bootstrap, HTML5, CSS3, jQuery, AJAX, Angular Material, RxJS, NgRx

.NET Technologies

.NET 8, Entity Framework Core 8, ADO.NET, LINQ, Dependency Injection, Onion Architecture, Clean Code Principles

Design Patterns

MVC, MVVM, Singleton, Factory, Dependency Injection, SOA, Microservices Architecture, Onion Architecture

Database Development

SQL Server 2022 (stored procedures, SSIS, SSRS), MongoDB 6, PostgreSQL, Oracle PL/SQL, Apache Cassandra, FHIR-compliant data modeling

Cloud Platforms

Microsoft Azure (AKS, App Services, Blob Storage, API Management, Azure AD B2C), AWS (S3, Lambda, Step Functions, CodePipeline, CodeBuild, API Gateway, SQS, EC2)

Authentication & Security

OAuth 2.0 PKCE, Azure Active Directory (AAD & B2C), JWT, HIPAA & PCI compliance, API security policies, SAS tokens, Azure Key Vault

Testing & CI/CD

xUnit, Moq, FluentAssertions, Jasmine, Karma, Postman, Swagger UI, Azure DevOps Pipelines (YAML), SonarQube, AWS CodePipeline, CodeBuild

Version Control & Collaboration

GitHub, Git, Team Foundation Server (TFS), SVN

Experian Health, Franklin, TN Feb 2024 to Present

Senior.Net Full Stack Developer

Project: Cloud Migration and Modernization of Care Coordination Platform — Transformed legacy .NET system into scalable, secure Azure microservices, boosting maintainability and performance.

Responsibilities:

Spearheaded the modernization of a legacy .NET-based care coordination platform into a cloud-native, microservices-based system using .NET 8 Web API, Angular 18, and Azure, resulting in a 50% increase in system maintainability.

Led Agile sprint planning and backlog grooming, collaborating with Product Owners, QA Analysts, and Healthcare SMEs to define high-priority features in patient intake, claims, and care plan workflows.

Decomposed monolithic clinical services into distributed .NET 8 Web API microservices using C# 12, Dependency Injection, and OpenAPI standards.

Designed FHIR R5-compliant REST APIs for secure patient data exchange across EMR, lab, and payer systems, adhering to HL7 and HIPAA interoperability standards.

Developed backend services for referrals, visit summaries, and remote care using Entity Framework Core 8, LINQ, and async repositories, supporting millions of records and concurrent transactions.

Integrated Stripe and HealthPay payment gateways for in-app billing and co-pay processing using PCI-compliant patterns, resulting in 30% faster payment reconciliation.

Rebuilt the patient intake and scheduling UI using Angular 18, TypeScript, and Angular Material, delivering a responsive, HIPAA-compliant mobile/tablet-optimized experience.

Developed real-time dashboards for lab results and vitals using custom Angular components and WebSocket integration.

Applied NgRx Store and Effects to manage state for multi-step forms and asynchronous workflows like chronic care enrollment and medication updates.

Implemented component-level unit tests with Jasmine and Karma, maintaining 85%+ coverage and reducing regression issues by 30%.

Re-architected legacy schemas into normalized SQL Server 2022 tables aligned with FHIR resource models, improving data consistency.

Designed and optimized high-throughput queries using indexed views, execution plans, and SQL Profiler, improving API response times by 60% during peak.

Standardized data access using EF Core 8, custom query projections, and repository patterns to boost backend API scalability.

Automated schema versioning and deployments via EF Core Migrations, enforcing safe rollouts across Dev, QA, and Production environments.

Deployed containerized microservices to Azure Kubernetes Service (AKS) with readiness probes, horizontal scaling, and rolling deployments.

Created CI/CD pipelines in Azure DevOps using YAML, integrating SonarQube, automated tests, and gated deployments with rollback support.

Managed identity and access flows with OAuth2.0 PKCE and Azure AD B2C, enabling secure, multi-tenant access for patients, providers, and admins.

Used Azure API Management (APIM) to secure API endpoints, enabling scoped access with rate limiting, JWT validation, and versioning policies.

Wrote full-suite backend tests with xUnit and Moq, along with Angular unit tests, achieving 85%+ code coverage in critical modules.

Used Visual Studio 2022 for full-stack debugging, profiling, and performance tuning.

Maintained version control with GitHub, supporting hotfixes, pull request reviews, and clean rollbacks.

Environment: .NET 8 Web API, C# 12, Angular 18, TypeScript, SQL Server, Entity Framework Core, Azure (AKS, App Services, AD B2C, Blob Storage, API Management), OAuth2, GitHub, Azure DevOps

Broadridge, Long Island, NY October 2022 - Feb 2024

. Net full stack Developer

Project: Greenfield Compliance Automation Platform (CAP) — A secure, cloud-native system to manage KYC, AML, and regulatory workflows for financial institutions.

Responsibilities:

Spearheaded the greenfield design and development of a modular compliance automation platform using .NET 6 Web API, C# 10, and Angular 12, delivering a scalable and secure solution for financial regulatory workflows.

Architected the backend with Onion Architecture and Clean Code principles to enforce a clear separation of Domain, Application, and Infrastructure layers.

Built 25+ RESTful APIs in ASP.NET Core 6 for KYC onboarding, AML risk scoring, transaction surveillance, and case management, following OpenAPI and endpoint versioning standards.

Developed a responsive front-end using Angular 12, TypeScript, and Bootstrap 4, streamlining workflows like registration, document uploads, and case resolution.

Utilized Reactive Forms and RxJS to implement dynamic validations in KYC/AML forms and escalation flows.

Designed secure file upload and evidence storage with Azure Blob Storage, SAS tokens, and Azure Key Vault for secret management.

Implemented OAuth 2.0 with Azure Active Directory (AAD) for SSO, multi-role access control, and secure token-based communication.

Configured Azure API Management (APIM) for rate limiting, IP filtering, API key validation, and centralized API governance.

Created background job services using .NET 6 Worker Services and RabbitMQ to asynchronously process KYC document scans, alerts, and notifications.

Optimized MongoDB Aggregation Pipelines and implemented compound indexes for fast audit log queries.

Modeled event streams in Apache Cassandra for fraud detection, enabling multi-region replication and high throughput writes.

Designed time-series Cassandra data models, improving fraud query performance by 35% across geographies.

Developed advanced SQL Server stored procedures, views, and triggers to automate compliance reporting and anomaly detection.

Wrote over 300 unit and integration tests using xUnit, Moq, and FluentAssertions, achieving 90%+ coverage and cutting post-release defects by 40%.

Performed detailed API testing using Postman and Swagger UI, validating headers, tokens, and contract compliance.

Built reusable, custom UI components and data grids (similar to Kendo UI) using Angular CDK and ngx-datatable, standardizing case workflows.

Automated deployments with Azure DevOps CI/CD, integrating SonarQube, quality gates, and staged approvals for Dev, QA, and UAT.

Monitored services using Azure Web Apps, Application Insights, and Azure Monitor for real-time performance and usage telemetry.

Used Visual Studio 2022 for full-stack development, debugging, and code analysis.

Environment: C#, .NET 6 Web API, Angular 12, TypeScript, Entity Framework Core, MongoDB, RabbitMQ, Apache Cassandra, Azure (Web Apps, API Management, Blob Storage, Active Directory OAuth2.0), Azure DevOps, Git, xUnit, Postman, Visual Studio 2022

State of Arkansas, Little Rock June 2020 - Sept 2022

Senior .Net developer

Responsibilities:

Participated in Agile ceremonies including sprint planning, daily standups, and retrospectives to ensure timely delivery of citizen-facing features.

Built and maintained scalable enterprise web applications using C#, .NET Core, and ASP.NET MVC, improving performance and code modularity.

Designed and consumed RESTful APIs to connect ASP.NET MVC front-end components with backend services, ensuring dynamic content rendering and real-time data flow.

Utilized Entity Framework as the ORM to implement CRUD operations, complex joins, and LINQ queries for efficient data access and business logic.

Used JSON as the standard data interchange format between frontend and backend, optimizing payload size and parsing efficiency.

Developed responsive front-end interfaces using JavaScript, HTML5, and semantic markup, improving cross-device usability.

Worked extensively with SQL Server, optimizing stored procedures, triggers, indexes, and queries for high-volume systems such as audit logging and application tracking.

Implemented server-side pagination to enhance performance on public-facing, data-heavy pages.

Built and maintained cloud-based services on AWS, leveraging S3 for secure file storage and AWS Lambda for serverless backend logic.

Integrated services with AWS Step Functions, S3, and Lambda, and gained working experience with EC2, API Gateway, and SQS for orchestration and messaging workflows.

Developed serverless functions using AWS Lambda to handle backend workflows such as data validation, audit logging, and asynchronous file processing, resulting in reduced server load and faster response times.

Managed CI/CD pipelines using AWS Code Pipeline and AWS Code Build to automate build, testing, and deployment processes.

Used Team Foundation Server (TFS) for version control, work item tracking, and team collaboration.

Used Visual Studio as the primary IDE for full-cycle development, debugging, and deployment of .NET MVC applications.

Environment: C#, .NET Core, ASP.NET MVC, Entity Framework, SQL Server, JSON, JavaScript, HTML5, AWS (S3, Lambda, Code Pipeline, Code Build, API Gateway, SQS), TFS, Visual Studio

.NET Developer Feb 2018 – May 2020

Frontier Airlines, Denver, CO

Responsibilities:

Collaborated with cross-functional teams and business stakeholders in Agile sprints to modernize reservation and ticketing management systems.

Developed dynamic, responsive web modules using C# and ASP.NET MVC, improving maintainability and promoting separation of concerns across layered architecture for flight booking, seat selection, and payment workflows.

Designed and maintained WCF services for secure, structured data exchange with airport systems, travel partners, and internal back-office operations.

Created ADO.NET data adapters and DTOs to interface with Oracle PL/SQL stored procedures, streamlining access to passenger data, flight schedules, and ticket history.

Utilized structured XML payloads to exchange reservation data with external partners and update passenger itineraries.

Built AJAX-powered front-end interfaces using HTML, CSS, and JavaScript, enabling fast and interactive customer self-service for check-ins and baggage add-ons.

Implemented business logic to support fare rules, multi-leg itineraries, and loyalty rewards enhancements.

Managed version control using SVN, collaborating across teams on modules like flight search, ticketing, and operations dashboards.

Used Visual Studio for full-cycle development and debugging of ASP.NET MVC applications and airline-specific services.

Authored technical documentation, deployment guides, and training materials to support successful rollout across airport operations and customer service teams.

Environment: C#, ASP.NET MVC, WCF, ADO.NET, Oracle PL/SQL, XML, HTML, CSS, JavaScript, AJAX, SVN, Visual Studio.

Software Developer July 2015 – Nov 2017

Bank of America, Hyderabad, India

Responsibilities

Supported application triage activities by troubleshooting and resolving tenant issues, ensuring uninterrupted banking operations within both Waterfall and evolving Agile environments.

Developed backend services and Node.js API endpoints to automate and streamline transactional processes and internal system integrations.

Built interactive, responsive front-end interfaces using React.js, HTML5, CSS3, JavaScript, AJAX, and jQuery, improving usability of customer-facing banking portals.

Designed and developed secure web forms and business logic using C# and ASP.NET Web Forms, incorporating Authentication and Authorization for compliance and data protection.

Created and maintained efficient ADO.NET data access layers for CRUD operations, and optimized database interactions with PostgreSQL, including stored procedures and triggers.

Utilized XML to manage structured data exchange for customer records and batch transactions between internal and external systems.

Designed and maintained automated test suites using xUnit for integration and regression testing, improving release quality.

Used Visual Studio 2015/2017 for development, debugging, and deployment of enterprise-grade banking applications.

Environment:

C#, ASP.NET Web Forms, Node.js, React.js, ADO.NET, SOAP Web Services, PostgreSQL, XML, HTML5, CSS3, JavaScript, jQuery, AJAX, xUnit, Visual Studio

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