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Shanmukh Kumar Bellam - Sr .NET Developer

[email protected]

Location: Houston, Texas, USA

Relocation: yes

Visa: GC

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Shanmukh Kumar Bellam Sr .Net Full Stack Developer Phone: +1(727)-705-4585 Email: [email protected] LinkedIn: : https://www.linkedin.com/in/shanmukh-kumar-bellam-2186aa228 PROFESSIONAL SUMMARY: Senior .NET Full Stack Developer with 11+ years of experience designing, developing, testing, deploying, and supporting enterprise-scale web and client/server applications. Strong expertise in backend development using C#, .NET Core/.NET 6/7/8, ASP.NET Core, ASP.NET MVC, and ASP.NET Web API, delivering scalable, secure, and high-performance systems. Extensive experience across the full software development lifecycle (SDLC) including requirements analysis, system design, development, testing, deployment, and post-production support. Proven ability to design and implement RESTful APIs, including authentication, authorization, validation, exception handling, logging, API versioning, and backward compatibility. Strong experience working with microservices-based and layered architectures, applying SOLID principles, clean architecture, and enterprise design patterns. Solid full stack development background with hands-on experience building modern user interfaces using Angular, React, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, and seamless API integration. Deep expertise in SQL Server with hands-on experience in schema design, stored procedures, views, functions, triggers, indexing, and performance optimization for high-volume transactional systems. Proficient in data access technologies including Entity Framework Core, LINQ, Dapper, and ADO.NET, ensuring efficient, maintainable, and scalable persistence layers. Experience delivering solutions across multiple domains such as Banking, Insurance, Retail/Supply Chain, Government, and Financial Services. Strong background in IIS configuration and management, including application deployment, environment configuration, and production issue resolution. Hands-on experience implementing CI/CD pipelines using Azure DevOps and Jenkins, supporting automated builds, deployments, and release management. Experience working with containerized application environments using Docker as part of modern development and deployment workflows. Experience supporting applications hosted on cloud platforms such as Azure and AWS, including deployment coordination, monitoring, logging, and operational support. Strong troubleshooting and analytical skills with a proven ability to perform root cause analysis, resolve production issues, and implement long-term corrective solutions. Extensive experience working in Agile/Scrum and Waterfall environments, collaborating effectively with business stakeholders, architects, QA teams, and cross-functional engineering teams. Known for delivering reliable, maintainable, and secure software solutions while adhering to enterprise standards and best practices. Experience developing cloud-native .NET solutions on Google Cloud Platform (GCP), including Cloud Spanner, Bigtable, Cloud Functions, and Pub/Sub-based integrations. TECHNICAL SKILLS Category Skills Programming Languages C#, .NET Core / .NET 6 / .NET 7 / .NET 8, .NET Framework, JavaScript, TypeScript, Python Backend Technologies ASP.NET Core, ASP.NET Web API, ASP.NET MVC, RESTful Services, Microservices Frontend Technologies Angular, React, HTML5, CSS3, Bootstrap, jQuery, AJAX Architecture & Design N-Tier Architecture, Microservices, Clean Architecture, SOLID Principles, Design Patterns Database Technologies Microsoft SQL Server, Google Cloud Spanner, Google Cloud Bigtable ORM / Data Access Entity Framework Core, LINQ, Dapper, ADO.NET Web & Integration REST APIs, SOAP Services, Swagger / OpenAPI, Kafka, Azure Service Bus, Google Pub/Sub CI/CD & Version Control Azure DevOps, Jenkins, Git Containers & Deployment Docker, Kubernetes Cloud Platforms Microsoft Azure (App Service, Function Apps, Azure SQL, Cosmos DB, Storage, Service Bus, Application Insights), AWS (EC2, S3, CloudWatch), GCP (Cloud Spanner, Bigtable, Cloud Functions, Cloud Run, Pub/Sub, Cloud Storage, IAM, Cloud Logging/Monitoring) Web Servers IIS Testing & Validation Postman, Swagger UI, NUnit, xUnit Development Tools Visual Studio, Visual Studio Code, SQL Server Management Studio (SSMS) Project & Collaboration Tools Jira, Confluence Methodologies Agile (Scrum), Waterfall Education Details: Master s Computer Science Lamar University | Beaumont, Texas Bachelor s Electronics and Communication Engineering (ECE) Sree Venkateswara College of Engineering | Nellore, India Project Experience: Client: LPL Financial Charlotte, NC (Remote) | Nov 2023 Present Role: Senior .NET Full Stack Developer Project Title: Wealth Management Advisor Portal & Client Account Lifecycle Platform Project Description The project involved development and enhancement of an advisor-facing platform supporting client onboarding, account servicing, portfolio views, document workflows, and compliance-driven operational reporting. The application leveraged modern full stack architecture using Microsoft .NET technologies for backend services, Angular-based UI for responsive user experiences, and SQL Server for data persistence. The platform supported high-volume advisor operations with strict security and auditability requirements, ensuring scalability, performance, and maintainability across multiple business modules. Responsibilities Designed and developed enterprise-grade backend services using C#, .NET 8, ASP.NET Core, and ASP.NET Web API, following layered architecture principles to support advisor-facing onboarding and servicing workflows. Built and maintained RESTful APIs for customer profile management, account servicing, portfolio views, document status tracking, and compliance-driven operational processes. Implemented API-level security including authentication, authorization, request validation, exception handling, and standardized response contracts to ensure secure and predictable service behavior. Developed reusable business and service components to promote consistency across modules and reduce code duplication while improving maintainability and extensibility. Implemented API versioning and backward compatibility strategies to support multiple consuming applications and release features without disrupting existing integrations. Developed rich, responsive user interfaces using Angular, TypeScript, JavaScript, HTML5, CSS3, and Bootstrap, ensuring accessibility and consistent user experience across devices. Created reusable UI components and shared libraries to standardize frontend development patterns and improve development velocity across teams. Integrated frontend components with backend APIs, handling data transformation, client-side validations, error handling, and optimized rendering for high-usage advisor journeys. Designed and optimized SQL Server database objects including stored procedures, views, functions, triggers, and indexes to support high-volume transactional operations. Performed SQL performance tuning by analyzing execution plans, optimizing queries, and improving indexing strategies to reduce latency and improve throughput under peak load. Utilized Entity Framework Core, LINQ, and Dapper/ADO.NET (as applicable) to implement efficient, maintainable, and high-performance data access layers for transactional and reporting use cases. Implemented caching strategies (Redis/in-memory as applicable) for frequently accessed reference data to reduce database load and improve response times. Implemented messaging/event-driven patterns (Azure Service Bus/Kafka/RabbitMQ as applicable) to decouple services, improve resiliency, and support asynchronous processing. Implemented centralized logging with correlation IDs and structured telemetry to improve traceability, diagnostics, and root-cause analysis across distributed services. Collaborated with solution architects to align implementations with enterprise standards, security guidelines, and financial-services compliance expectations. Worked closely with product owners and business analysts to refine user stories, clarify acceptance criteria, and translate complex requirements into technical solutions. Partnered with QA teams to support functional testing, regression testing, defect triage, and production readiness activities, ensuring consistent release quality. Developed unit and integration tests using NUnit/xUnit and built test utilities/mocks to improve coverage, reduce regressions, and increase confidence during releases. Supported CI/CD pipelines using Azure DevOps/GitHub Actions, troubleshooting build and deployment issues and ensuring smooth releases across environments. Performed code reviews, enforced coding standards, and applied SOLID principles and clean architecture practices to improve long-term maintainability. Refactored legacy modules to improve readability, modularity, performance, and alignment with modern .NET development practices. Ensured applications adhered to secure coding practices, dependency vulnerability remediation, and secure configuration management (secrets/keys) across environments. Provided production support by analyzing logs, debugging issues, performing root cause analysis, and implementing permanent corrective actions to reduce recurrence. Assisted in deployment activities, environment configuration, and release coordination, contributing to rollback readiness and minimal downtime during production releases. Mentored junior developers through code reviews, technical guidance, and best-practice sharing to improve team capability and delivery consistency. Environment C#, .NET 8, ASP.NET Core, ASP.NET Web API, REST APIs, Microservices, Angular, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, SQL Server, Entity Framework Core, LINQ, Dapper/ADO.NET, Redis (as applicable), Azure Service Bus/Kafka (as applicable), Swagger/OpenAPI, OAuth2, OpenID Connect, JWT, Azure DevOps/GitHub Actions, Git, Docker, Kubernetes (as applicable), IIS, Application Insights/OpenTelemetry (as applicable), Jira, Agile/Scrum Client: Sysco Foods Houston, TX | May 2021 Oct 2023 Role: Full Stack .NET Developer Project Title: Order Management & Supply Chain Operations Portal Modernization Project Description The project involved modernization and enhancement of internal applications supporting order lifecycle management, inventory visibility, delivery scheduling, warehouse operations, and customer service workflows. The solution used Microsoft .NET technologies for backend services, Angular-based interfaces for operations users, and SQL Server for transactional persistence. The platform enabled efficient operational processing across distribution centers through reliable integrations, performance-optimized data access, and secure role-based access controls. Responsibilities Designed and developed backend services using C#, .NET 5/6, ASP.NET Core, and Web API to support order lifecycle, inventory visibility, and delivery scheduling workflows for distribution operations. Built RESTful APIs enabling order creation, status updates, item availability checks, pricing validations, shipment coordination, and inventory synchronization with upstream/downstream systems. Implemented server-side validations, exception handling, and consistent response models to improve reliability and reduce integration defects across services. Developed reusable service components and business logic layers to standardize calculations and rules across multiple operational modules. Developed responsive and user-friendly interfaces using Angular, TypeScript, JavaScript, HTML5, CSS3, and Bootstrap for warehouse, dispatch, and customer service users. Built reusable UI components and shared templates for tables, filters, forms, and modals to improve consistency and accelerate feature delivery. Integrated frontend components with backend APIs, implementing data binding, client-side validation, error handling, and optimized UI interactions for high-volume screens. Designed and optimized SQL Server stored procedures, views, and complex queries to support transactional screens, operational dashboards, and reporting needs. Performed database performance tuning by analyzing execution plans, improving indexing strategies, and optimizing query patterns to support high concurrency. Implemented data access layers using Entity Framework/EF Core and ADO.NET (as applicable) to ensure efficient database access and improved maintainability. Improved application performance by reducing payload sizes, implementing pagination/sorting/filtering patterns, and introducing caching for reference/master data. Implemented role-based access controls and secure coding practices to protect operational data and restrict sensitive functions to authorized users. Collaborated with business analysts and operations stakeholders to gather requirements, refine user stories, and translate operational needs into technical tasks. Worked closely with QA teams to support test planning, regression testing, defect triage, and timely defect resolution across sprint cycles. Wrote unit tests for service and controller layers and supported integration testing using Postman/Swagger to improve release confidence. Supported CI/CD processes using Azure DevOps/Jenkins (as applicable), troubleshooting pipeline issues and validating deployments across environments. Participated in code reviews, applied clean coding practices, and refactored legacy components to improve readability and maintainability. Provided production support, performed root cause analysis, and implemented durable fixes for incidents impacting order and delivery workflows. Prepared technical documentation for APIs, operational flows, and deployment notes to support long-term maintenance and support handoffs. Participated actively in Agile/Scrum ceremonies including sprint planning, daily stand-ups, backlog grooming, demos, and retrospectives. Coordinated release readiness activities, including configuration validation and smoke testing, to reduce deployment risk and downtime. Collaborated with cross-functional teams (DevOps/SRE) to improve logging, monitoring, and incident response for mission-critical operational journeys. Environment C#, .NET 5/6, ASP.NET Core, ASP.NET Web API, REST APIs, Angular, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, SQL Server 2017/2019, Entity Framework/EF Core, LINQ, ADO.NET, Swagger/OpenAPI, Authentication/Authorization (JWT/OAuth2 as applicable), Azure DevOps/Jenkins (as applicable), CI/CD Pipelines, Git, IIS, Docker (as applicable), Jira, Agile/Scrum, Logging/Monitoring (Splunk/ELK/App Insights as applicable) Client: Erie Insurance Erie, PA | Mar 2018 Apr 2020 Role: Full Stack .NET Developer Project Title: Policy Administration & Claims Servicing Web Application Enhancement Project Description The project involved development and enhancement of an insurance servicing platform supporting policy administration and claims operations, including customer/policy search, coverage validation, servicing workflows, document references, and operational reporting. The application leveraged ASP.NET MVC/Web API for web modules, SQL Server for persistence, and standard enterprise patterns for security, reliability, and maintainability. The system supported internal users handling policy and claims servicing with consistent auditability and stable releases. Responsibilities Designed and developed application modules using C#, .NET Framework/.NET Core (as applicable), ASP.NET MVC, and Web API to support policy servicing and claims-related workflows. Built and enhanced service endpoints for policy/claim search, detail retrieval, and workflow actions, ensuring consistent contracts and reliable integrations. Implemented business validations for coverage checks, policy status rules, and claim intake support flows to improve processing accuracy and reduce rework. Developed reusable UI components (forms, grids, field-level validations) to improve user experience and standardize interaction patterns across modules. Developed and optimized SQL Server stored procedures, views, and queries to support transactional screens, audit retrieval, and operational reporting. Performed performance tuning by optimizing queries, improving indexing strategies, and reducing unnecessary database round-trips for frequently used screens. Implemented data access using Entity Framework and ADO.NET, applying best practices for parameterization, transactions, and error handling. Implemented role-based access control and secure coding patterns to ensure that sensitive insurance data and functions are restricted appropriately. Introduced standardized exception handling and logging patterns to improve diagnostics, reduce production incidents, and support faster issue resolution. Collaborated with business analysts to clarify requirements, document acceptance criteria, and translate business rules into technical implementations. Partnered with QA teams to support functional testing, regression testing, and defect remediation, ensuring readiness for UAT and production releases. Wrote unit tests for key components and supported API testing using Postman/Swagger to reduce regressions and increase release confidence. Supported deployments and environment validations on IIS, including configuration management and post-deployment verification activities. Performed root cause analysis for production defects, implemented permanent fixes, and communicated impacts and remediation steps to stakeholders. Participated in Agile ceremonies and contributed to sprint planning, estimation, demos, and retrospectives to ensure predictable delivery. Conducted code reviews and refactored modules to improve maintainability, readability, and alignment with enterprise standards. Prepared technical documentation for service contracts, data mappings, and support handoffs to ensure continuity and maintainability. Worked collaboratively with cross-functional teams to ensure compliance with internal security guidelines and data protection requirements. Assisted junior developers through guidance and review feedback to improve overall team quality and delivery outcomes. Environment C#, .NET Framework 4.6/4.7 (as applicable), ASP.NET MVC, ASP.NET Web API (as applicable), WCF (as applicable), JavaScript, jQuery, HTML5, CSS3, Bootstrap, SQL Server 2014/2016, T-SQL, Stored Procedures, SSRS (as applicable), Entity Framework, LINQ, ADO.NET, IIS, Visual Studio, Git/TFS, CI/CD (TFS/Azure DevOps as applicable), Postman/Swagger UI, Agile/Scrum Client: State of California Sacramento, CA | Jan 2016 Feb 2018 Role: .NET Developer Project Title: Government Case Management & Citizen Services Application Development Project Description The project involved development and maintenance of government web applications supporting internal case workflows and citizen service requests, including intake, status tracking, validations, document capture, and reporting. The applications were built using Microsoft .NET technologies with SQL Server for persistence and standard web technologies for user interfaces. The solution required stability, security, and compliance with public sector change-control processes while delivering incremental enhancements and defect fixes. Responsibilities Developed and maintained case management and citizen services modules using C# and ASP.NET (MVC/Web Forms as applicable) in a controlled government environment. Implemented backend business rules for eligibility checks, required-field validations, and workflow status transitions to ensure consistent processing. Built and enhanced UI screens for intake forms, case updates, and search flows, improving data quality and usability for agency staff. Created and optimized SQL Server stored procedures, views, and queries to support transactional operations, reporting, and audit needs. Implemented data access using ADO.NET and Entity Framework (as applicable), ensuring secure parameterized queries and robust error handling. Integrated application components with internal services for reference data lookup and user/role validation, ensuring consistent data across modules. Implemented role-based access controls and enforced least-privilege permissions to protect sensitive government data. Implemented standardized exception handling and logging to improve observability, troubleshooting, and operational support. Collaborated with business analysts and stakeholders to gather requirements, refine user stories, and validate acceptance criteria. Worked closely with QA teams during functional testing and UAT, triaging defects, delivering fixes, and supporting release readiness. Supported deployments and change-control processes, preparing deployment artifacts, validating configurations, and performing post-release smoke tests. Provided production support by analyzing incidents, reproducing issues, and implementing durable fixes to minimize recurrence. Refactored legacy components to improve maintainability and alignment with coding standards and best practices. Maintained technical documentation including feature notes, data mappings, and support procedures for knowledge transfer. Participated in Agile and Waterfall-based project activities as required, ensuring timely delivery and stakeholder communication. Assisted with report/data extraction needs by building SQL queries and supporting report-related components. Collaborated with infrastructure/operations teams to ensure stable hosting on IIS and adherence to environment standards. Environment C#, .NET Framework 4.5/4.6, ASP.NET MVC/Web Forms (as applicable), ASP.NET Web API (as applicable), WCF (as applicable), ADO.NET, Entity Framework (as applicable), JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap, IIS, SQL Server 2012/2014, T-SQL, Stored Procedures, SSRS (as applicable), Visual Studio, TFS/Git, CI/Build (TFS Build as applicable), ServiceNow (change management as applicable), Agile/Waterfall, Logging (log4net/NLog as applicable) Client: Delta Dental Okemos, MI | Jun 2014 Dec 2015 Role: Full Stack .NET Developer Project Title: Dental Member Enrollment & Claims Processing Web Portal Project Description The project involved development and enhancement of a web-based portal supporting dental insurance operations such as member enrollment, eligibility verification, provider search, claim intake/validation, and status tracking. The solution used Microsoft .NET technologies for application development and SQL Server for data persistence, supporting internal users with consistent validations, secure access, and reliable release cycles. Responsibilities Developed and maintained web application features for dental member enrollment, eligibility verification, provider search, and claim status tracking using C# and ASP.NET. Implemented business validations for plan eligibility, coverage dates, and claim submission rules to improve data accuracy and reduce rejections. Built backend components and service calls to retrieve member, provider, and claim information from internal systems and data stores. Designed and optimized SQL Server queries and stored procedures to support transactional screens and operational reporting requirements. Implemented efficient and secure data access using ADO.NET, applying parameterization and transaction handling best practices. Enhanced UI screens using HTML, CSS, JavaScript/jQuery, and Bootstrap (as applicable) to improve usability and consistency. Fixed defects identified during QA/UAT, performed root cause analysis, and delivered tested updates in scheduled release cycles. Supported deployments to IIS and performed post-deployment validation to ensure application stability across environments. Collaborated with business analysts to clarify requirements and translate functional needs into technical implementations. Participated in code reviews and adhered to development standards to improve maintainability and reduce technical debt. Prepared documentation for implemented changes, configuration notes, and support handoffs for ongoing maintenance. Assisted with production support activities, troubleshooting issues and implementing corrective fixes as needed. Worked effectively within Waterfall/Agile processes depending on project needs and timelines. Ensured secure coding practices and protected sensitive member information in accordance with organizational guidelines. Coordinated with cross-functional teams (QA/Operations) to ensure smooth releases and timely issue resolution. Environment C#, .NET Framework 4.0/4.5, ASP.NET Web Forms/MVC (as applicable), ADO.NET, LINQ, JavaScript, jQuery, HTML4/HTML5, CSS2/CSS3, Bootstrap (as applicable), IIS, SQL Server 2008 R2/2012, T-SQL, Stored Procedures, SSRS (as applicable), Visual Studio, TFS, Postman (as applicable), Waterfall/Agile (as applicable), Logging (log4net as applicable) Keywords: csharp continuous integration continuous deployment quality analyst user interface sthree database California Michigan North Carolina Pennsylvania Texas