Senior .NET Developer with 10+ years experience
Resume:
MONIKA KAMINENI
Senior .NET Developer
Ph: +1-940-***-****
Email: ***************@*****.***
PROFESSIONAL SUMMARY
• Full Stack .NET Developer with 10+ years of experience delivering enterprise and cloud-based applications across multiple domains.
• Extensive experience working with SDLC methodologies including Agile and Waterfall models throughout the application lifecycle.
• Strong hands-on expertise in .NET technologies using C# 10.0, multithreading, collections, and asynchronous programming concepts.
• Experienced in applying design patterns and preparing use case diagrams, class diagrams, and sequence diagrams during system design.
• Proven experience implementing Onion Architecture, MVC Architecture, N-Tier Architecture, and Microservices Architecture for scalable solutions.
• Strong development experience with ASP.NET Core Web API, ASP.NET MVC, ASP.NET Core Web Apps, and Microservices-based applications.
• Hands-on exposure to NodeJS for lightweight service development and integrations.
• Extensive experience developing and consuming RESTful and SOAP-based web services.
• Proficient in data access using ADO.NET, Entity Framework, and Entity Framework Core.
• Experienced in handling data exchange using JSON and XML formats for service communication.
• Hands-on experience with Azure Cloud, including API Gateway integration for secure API management.
• Implemented secure authentication and authorization using OAuth2, SSL, and JWT.
• Strong front-end development experience using Angular 10+, TypeScript, AngularJS, HTML, CSS, JavaScript, Bootstrap, jQuery, and AJAX.
• Solid database experience with SQL databases such as SQL Server and PostgreSQL, along with NoSQL databases like MongoDB.
• Experienced in writing PL/SQL stored procedures, functions, and triggers to support business logic.
• Hands-on experience integrating message queues such as MSMQ and RabbitMQ for asynchronous processing.
• Strong testing experience using xUnit for backend services and Karma, Jasmine, Jest, Mocha, and Chai for UI testing, along with Cucumber and Citrus for service automation.
• Experienced with Azure DevOps CI/CD, AWS and Azure cloud services from a developer standpoint, using Git, SVN, TFS, Visual Studio, SSMS, Log4Net, SonarQube, and known for being a team player and quick learner.
CORE TECHNICAL SKILLS
Category Technologies & Capabilities
Backend &
Frameworks
C#, ASP.NET, ASP.NET Core, ASP.NET MVC, Web API, .NET Framework, .NET Core, .NET 6/7/8, Entity Framework, EF Core, LINQ
Frontend
Technologies
Angular, React.js, TypeScript, JavaScript (ES6+), HTML5, CSS3, Bootstrap, jQuery Cloud & DevOps Microsoft Azure, Azure App Services, Azure Functions, Azure Storage, Azure Key Vault, Azure Service Bus, Azure DevOps, GitHub Actions, CI/CD Pipelines Databases &
Messaging
SQL Server, Oracle, PostgreSQL, Cosmos DB, Redis, SSIS, RabbitMQ Architecture &
Integration
Microservices Architecture, Distributed Systems, RESTful APIs, SOAP Services, API Gateway, Event-Driven Architecture, OAuth 2.0, JWT, OpenAPI / Swagger Testing & Quality xUnit, NUnit, MSTest, Moq, Postman, Swagger UI, SonarQube Tools &
Methodologies
Visual Studio, VS Code, Git, TFS, Jira, Confluence, Agile Scrum, SAFe Security &
Compliance
OWASP Standards, Secure Coding Practices, Data Encryption, Identity & Access Management (Azure AD), Role-Based Access Control (RBAC), Secrets Management PROFESSIONAL EXPERIENCE
UnitedHealth Group (UHG)
Raleigh, NC USA
Senior .NET Developer October 2023 – Present
Responsibilities:
• Developed and enhanced large-scale healthcare enterprise applications using .NET 7 and .NET 8, supporting mission-critical systems used by thousands of internal users while adhering to HIPAA-compliant security standards.
• Designed and implemented microservices-based architectures using ASP.NET Core Web API, improving service isolation and deployment flexibility across multiple healthcare workflows.
• Collaborated with business analysts, product owners, and healthcare domain SMEs to translate complex payer and provider requirements into scalable, reliable technical solutions.
• Integrated applications with Azure App Services, Azure Functions, Azure Service Bus, and Azure Key Vault, enabling secure configuration management and event-driven communication across systems.
• Led SQL Server 2022 performance tuning initiatives, optimizing stored procedures, indexing strategies, and query execution plans, resulting in ~30–40% performance improvement for high-volume healthcare transactions.
• Implemented OAuth 2.0 and JWT-based authentication and authorization, ensuring compliance with enterprise security and regulatory requirements.
• Developed reusable components and shared libraries in C# and .NET Core, reducing code duplication and improving development efficiency by ~20% across teams.
• Implemented automated CI/CD pipelines using Azure DevOps, reducing manual deployment effort and cutting deployment failures by ~25%.
• Led root-cause analysis for production incidents impacting healthcare workflows, improving system reliability, uptime, and compliance with HIPAA requirements.
• Authored and maintained API documentation and versioning using Swagger/OpenAPI, improving onboarding time for new developers and external integrations.
• Collaborated with QA teams to implement unit and integration testing using xUnit and Moq, increasing test coverage and improving release quality.
• Ensured adherence to OWASP security guidelines by enforcing secure coding practices across services.
• Played a key role in modernizing legacy .NET Framework applications to .NET Core and .NET 7/8, improving maintainability, scalability, and performance.
• Actively participated in Agile Scrum ceremonies, sprint planning, backlog grooming, and technical design reviews to ensure timely delivery.
Environment / Key Skills:
.NET 7, .NET 8, ASP.NET Core, C#, Azure App Services, Azure Functions, Azure DevOps, SQL Server 2022, Microservices, OAuth 2.0, JWT, Agile Scrum
Client: Albertsons Companies – Malvern, PA USA
Role: Senior .NET Developer
Duration: June 2022 – September 2023
• Delivered enterprise retail applications using .NET 6 and ASP.NET Core, supporting high-volume grocery operations with millions of transactions per month, especially during peak sales periods.
• Designed and developed RESTful APIs and backend services to support order management, inventory, and pricing systems aligned with retail business workflows.
• Built and enhanced customer-facing and internal web applications using Angular (12–14) and TypeScript, improving usability and operational efficiency.
• Implemented cloud-native solutions on Microsoft Azure, leveraging Azure App Services, Azure Storage, and Azure SQL Database to ensure scalability and reliability.
• Collaborated with business stakeholders to refine requirements and deliver features aligned with evolving retail strategies.
• Optimized SQL Server 2019 queries and indexing strategies, resulting in ~25–30% improvement in response times for high-traffic retail applications.
• Integrated third-party vendor APIs for payments, logistics, and promotions using secure REST-based integrations.
• Implemented CI/CD pipelines using Azure DevOps, improving deployment consistency and reducing release- related defects by ~20%.
• Participated in Agile development cycles, contributing to sprint planning, estimations, and retrospectives.
• Implemented role-based access control and secure authentication mechanisms, ensuring application security and compliance.
• Resolved production issues during peak retail operations, addressing performance bottlenecks and ensuring uninterrupted service for high-volume grocery transactions.
• Developed reusable UI components and shared backend services, improving development speed and code consistency.
• Collaborated with QA teams to implement automated testing strategies using NUnit and Postman, improving overall release quality.
• Documented system designs, APIs, and deployment processes to improve operational transparency.
• Contributed to modernization initiatives by refactoring legacy components into scalable .NET Core services. Environment / Key Skills:
.NET 6, ASP.NET Core, C#, Angular 12–14, Azure App Services, Azure SQL, SQL Server 2019, REST APIs, Azure DevOps, Agile
Client: State of Arizona – Phoenix, AZ USA
Role: .NET Developer
Duration: July 2021 – May 2022
• Developed and maintained government applications using .NET Core 3.1 and ASP.NET MVC, supporting public sector digital services used by thousands of citizens and state employees.
• Collaborated closely with state agency stakeholders to ensure applications met regulatory, compliance, and security requirements.
• Designed and implemented secure RESTful APIs to support inter-agency data exchange, improving data accessibility and system interoperability.
• Enhanced legacy systems built on .NET Framework 4.7, improving application performance and maintainability by ~20–25%.
• Utilized SQL Server 2017 for data persistence, writing optimized queries and stored procedures to support high- volume transactional workloads.
• Implemented role-based access control (RBAC) and authentication mechanisms to comply with government security standards.
• Participated in Agile development processes, contributing to sprint planning, development, and on-time delivery.
• Assisted in deployment and configuration of applications within state-managed hosting environments.
• Provided operational support for public-facing government applications, minimizing downtime and ensuring reliable access to digital services for citizens and state employees.
• Collaborated with QA teams to ensure quality, compliance, and accessibility standards were met.
• Documented technical solutions, APIs, and operational procedures to support long-term maintainability.
• Contributed to modernization initiatives, transitioning legacy applications toward .NET Core.
• Implemented accessibility and usability enhancements for public-facing applications to meet government accessibility guidelines.
• Ensured secure data handling and audit logging, supporting compliance and traceability.
• Supported system integrations with external government services. Environment / Key Skills:
.NET Core 3.1, ASP.NET MVC, C#, SQL Server 2017, REST APIs, Government Systems, Agile Client: Broadridge Financial Solutions – Chicago, IL USA Role: .NET Developer
Duration: January 2020 – June 2021
• Began professional career developing enterprise web applications using ASP.NET, C#, and .NET Framework 4.5– 4.7 across multiple client projects.
• Developed financial services applications using .NET Framework 4.6–4.8 and ASP.NET MVC, supporting investor communications and financial reporting platforms used by enterprise clients.
• Implemented backend services handling high-volume transactional data (millions of records) with strict accuracy, reliability, and audit requirements.
• Worked closely with business analysts to translate financial regulations and compliance rules into secure technical solutions.
• Designed and optimized database interactions using SQL Server 2016, improving query performance and reporting response times by ~25–30%.
• Integrated internal and external systems using secure REST APIs and messaging mechanisms, enabling reliable data exchange.
• Participated in Agile Scrum development cycles, contributing to sprint commitments and timely feature delivery.
• Enhanced application security by implementing authentication, authorization, and secure data handling practices.
• Supported mission-critical financial systems, resolving production issues while adhering to strict audit, compliance, and data accuracy requirements.
• Contributed to code reviews and quality assurance initiatives, improving code quality and maintainability.
• Documented technical designs, APIs, and operational workflows for knowledge sharing and support readiness.
• Collaborated with cross-functional teams across development, QA, and operations.
• Supported application deployments and environment configurations.
• Participated in performance tuning and system optimization initiatives.
• Ensured compliance with internal security, audit, and governance standards.
• Contributed to incremental modernization of legacy application components. Environment / Key Skills:
.NET Framework 4.6–4.8, ASP.NET MVC, C#, SQL Server 2016, Financial Systems, REST APIs, Agile Scrum Client: Apar Technologies Ltd – Mumbai, India
Role: .NET Developer
Duration: June 2015 – June 2019
• Began professional career developing enterprise web applications using ASP.NET, C#, and .NET Framework 4.5–4.7 across multiple client projects.
• Built and maintained applications supporting hundreds of end users across diverse business domains.
• Designed database schemas and implemented data access layers using SQL Server, supporting transactional and reporting needs.
• Developed reusable components and shared libraries, reducing development effort across projects.
• Collaborated with senior developers and architects to implement scalable and maintainable solutions.
• Worked on frontend technologies including HTML, CSS, JavaScript, jQuery, and Bootstrap to build responsive user interfaces.
• Participated in full SDLC activities including requirements analysis, development, testing, and deployment.
• Supported production environments, resolving application defects and performance issues.
• Gained hands-on experience with enterprise development standards and best practices.
• Assisted in performance optimization and code refactoring, improving application stability.
• Followed established coding standards and documentation practices.
• Worked closely with QA teams to ensure application quality and defect resolution.
• Contributed to client demos, technical walkthroughs, and knowledge transfer sessions.
• Developed RESTful services and backend components.
• Built a strong foundation in enterprise .NET application development. Environment / Key Skills:
.NET Framework 4.5–4.7, ASP.NET, C#, SQL Server, HTML, CSS, JavaScript, jQuery, Bootstrap EDUCATION
Bachelor of Technology (B.Tech)
Completed: 2015 India
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