Senior .NET Full Stack Developer - Microservices & Cloud Platforms
Resume:
SYAMALA GUNDA
Senior .NET Full Stack Developer
LinkedIN NJ
**************@*****.***
EXPERIENCE
Senior .NET Full Stack Developer
Vanguard Malvern, PA
Responsibilities:
At Vanguard, contributed to the digital transformation of procurement systems by architecting a .NET 6 microservices-based platform that modularized supplier onboarding, contract management, and invoice reconciliation. Designed and implemented RESTful and GraphQL APIs using ASP.NET Core Web API integrated with React 18+ front- end components built in TypeScript, Redux Toolkit, and Material UI. The solution improved scalability, reduced coupling, and enabled seamless interaction with third-party ERP systems like SAP and Oracle.
Developed dynamic, data-driven dashboards leveraging D3.js, Chart.js, and React Hooks to visualize procurement KPIs, spend analytics, and supplier performance metrics. Built event-driven communication workflows using Azure Service Bus, Functions, and Logic Apps, automating complex business orchestration while maintaining reliability through retry and exception policies. Integrated Redis and RabbitMQ for caching and message queuing, reducing API latency by 35%.
Focused heavily on cloud-native deployment, containerizing microservices and front-end applications with Docker and orchestrating them using Azure Kubernetes Service (AKS) for scalability and high availability. Implemented authentication and single sign-on through JWT and Azure Active Directory, ensuring compliance with enterprise security standards. Collaborated with the DevOps team to build end-to-end Azure DevOps pipelines, automating builds, security scans, and regression testing, which accelerated release cycles and enhanced deployment reliability.
Led backend optimization by refactoring SQL Server and Cosmos DB data models to improve reporting performance and transactional efficiency. Conducted performance benchmarking and query tuning to ensure real-time data accuracy across distributed microservices. Designed fault-tolerant workflows for procurement data exchange between APIs and cloud functions, ensuring 99.9 percent system uptime, Partnered closely with QA and business analysts in agile ceremonies—refining user stories, prioritizing backlogs, and ensuring sprint predictability. Integrated monitoring solutions via Application Insights and Azure Monitor to proactively detect and resolve system anomalies.
SUMMARY
Senior .NET Full Stack Developer with over 10 years of experience designing, building, and deploying scalable enterprise solutions across domains such as finance, procurement, and manufacturing. Demonstrated expertise in architecting microservices-based and event-driven systems using .NET 6/7, ASP.NET Core Web API, and C#, seamlessly integrated with React 18+, Angular, and TypeScript front-ends. Skilled at transforming complex business processes into robust, maintainable software solutions following SOLID, Clean Architecture, and CQRS principles.
Extensive experience developing secure and high-performance APIs using REST and GraphQL, with authentication and authorization handled through JWT, OAuth2, Azure AD, and Identity Server. Adept in database design, query tuning, and data optimization using SQL Server, PostgreSQL, MongoDB, Cosmos DB, and Redis caching for low-latency data retrieval. Known for improving performance and scalability through asynchronous programming, load balancing, and in-memory caching strategies. Proficient in leveraging Microsoft Azure and AWS cloud ecosystems—deploying services through Azure Functions, App Services, Logic Apps, Service Bus, AKS, Lambda, ECS, and S3. Hands-on expertise with Docker, Kubernetes, and Helm for containerization and orchestration, ensuring reliability, fault tolerance, and simplified deployments. Strong focus on automation and CI/CD pipelines using Azure DevOps, Jenkins, and GitHub Actions, integrating static analysis, unit testing, and security scans into continuous delivery workflows.
Recognized for building and mentoring cross- functional Agile/Scrum teams, leading sprint ceremonies, and enforcing best coding practices through peer reviews.
EXPERIENCE
Senior .NET Full Stack Developer
American Express Phoenix, AZ
04/2018 - 09/2022
Responsibilities:
At American Express, led the design and implementation of .NET Core microservices for high-volume financial transaction processing, authentication, and fraud detection. Architected a distributed system that supported millions of daily transactions with built-in fault tolerance and concurrency control. Built REST and GraphQL APIs to streamline integration between customer portals, partner systems, and internal back-office services, ensuring reliable and secure data exchange.
Directed front-end development using React.js, TypeScript, and Material UI, crafting responsive and accessible dashboards for account management, transaction summaries, and fraud analytics. Leveraged Redux for state management and React Hooks for modular, reusable components. Enhanced visualization using D3.js to present real-time analytics and performance reports, empowering business teams with actionable insights.
Optimized database performance on SQL Server and Azure SQL through indexing, stored procedures, Championed CI/CD automation through Azure DevOps, integrating build validation, code analysis, and deployment pipelines across staging and production environments. Containerized services and UI layers using Docker, deploying them on Kubernetes clusters to achieve zero-downtime rollouts. Incorporated xUnit, NUnit, and Selenium WebDriver for automated testing and regression validation, maintaining over 85 percent code coverage.
Actively collaborated with cross-functional teams—including architects, QA, and business analysts—within an Agile/Scrum framework to deliver incremental features with high quality. Participated in sprint planning, retrospectives, and grooming sessions to ensure alignment with business priorities. Integrated Application Insights and Azure Monitor for real-time monitoring, performance metrics, and alerting, enabling rapid root-cause analysis and reducing incident response time.
Software Developer
Jupiter Design Technologies Pvt. Ltd Bangalore, INDIA
05/2017 - 02/2018
Responsibilities:
Developed and maintained enterprise web applications using ASP.NET MVC, C#, and Web API, integrating dynamic business logic with rich front-end components in HTML5, CSS3, JavaScript, jQuery, Bootstrap, and Angular. Implemented Entity Framework, LINQ, and optimized SQL Server stored procedures to reduce query response times by 30 percent. Integrated REST and SOAP APIs for interoperability with PLM and ERP systems, deployed on AWS EC2 instances with static assets hosted in S3. Configured IAM roles, security groups, and RDS databases, supporting cloud-based architecture. Automated build and deployment pipelines through Jenkins and TFS, ensuring consistent releases, while applying SSRS and Crystal Reports for analytical dashboards in Agile sprints.
EDUCATION
Bachelor in Electronics & Communication Engineering Karnataka State Open University 05/2015 India
EXPERIENCE
Software Developer
Alpha Elettronica Defence Systems Pvt. Ltd Bangalore, INDIA
06/2015 - 04/2017
Responsibilities:
Contributed to the development of defense maintenance systems using ASP.NET Web Forms, C#, and SQL Server, enhancing equipment tracking and telemetry visualization through HTML, CSS, JavaScript, and Angular interfaces. Supported migration of legacy modules to AWS EC2 and configured S3 storage for firmware logs. Automated maintenance reminders via stored procedures and triggers, improving operational reliability. Collaborated in Agile cycles and performed unit testing in Visual Studio, ensuring code stability and compliance with defense project standards.
assisted in building RESTful APIs to support real-time communication between embedded devices and the central monitoring system, improving response time and operational accuracy. Worked on optimizing ADO.NET-based data access layers and implemented validation logic in C# to enhance data integrity and performance. Supported integration with AWS CloudWatch for monitoring hardware activity and error logs, contributing to preventive maintenance insights. Coordinated with senior developers and QA teams in documenting requirements, testing modules, and verifying software updates for field deployment. Played an active role in migrating legacy database scripts to newer SQL Server 2012 structures, ensuring backward compatibility and better performance. Consistently followed Agile/Scrum best practices, delivering sprint tasks on schedule while maintaining code quality and adhering to defense security protocols.
Angular
Azure Cloud
Microservices
ASP.NET Core
REST
GraphQL
Redux Toolkit
TypeScript
LINQ
Entity Framework Core
ADO.NET
Azure
AWS
AWS Lambda
Docker
Kubernetes
JWT
OAuth
Azure Active Directory
Azure Devops
Jenkins
GitHub Actions
SQL
PostgreSQL
MongoDB
Caching
Redis
Agile
UI Testing
xUnit
NUnit
Selenium
Jest
ELK Stack
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