Senior Full Stack Engineer - Healthcare & SaaS Expert

James Hammy

Orlando, FL • ***********@*******.*** • 321-***-**** • linkedin.com/in/hammyfammy

SUMMARY

Senior Full Stack Software Engineer with 10+ years of hands-on experience with Healthcare and Finance industries and SaaS, EMR/EHR and Mobile Banking. Mastered C#, VB.NET, ASP.NET Core, Angular, React, React Native and experienced advanced-level of Java, Node.js and Python. 7+ years of experience with cloud-native Microservices with Azure and AWS and Big-Data technologies like ETL, SSIS, SSRS and Azure Data Factory. CERTIFICATION

Microsoft Certified: Azure Fundamentals

PROFESSIONAL EXPERIENCE

ModivCare Remote

Staff Software Engineer 1/2022 – 8/2025

• Led the design and implementation of HIPAA- and FHIR-compliant SaaS solutions for Modivcare’s healthcare logistics and patient engagement platforms using C#, ASP.NET Core 8, Azure, React, and React Native.

• Created and maintained new components, services, and user interface for internal Medical Report system using Node.js, Angular 16, Typescript, RxJS, NgRx, Redis, Kafka, ElasticSearch and Storybook.

• Followed Test Driven Development creating unit tests in NUnit, XUnit, Moq, Jasmine and Karma and enforced 95% code coverage on unit tests.

• Designed Relational (MS SQL, PostgreSQL) and NoSQL databases (CosmosDB, MongoDB), implementing robust data models and efficient queries for optimal performance.

• Managed 10+ years old legacy systems and desktop applications utilizing VB.NET, ASP.NET MVC Web Forms, and implemented RBAC/SSO/SAML with OAuth and Azure AD B2C.

• Drived advancements in patient data management systems through the strategic integration of Microsoft SQL Server, LINQ, T-SQL and Entity Framework Core 6 optimizing performance using SQL Profiler.

• Robust CI/CD pipeline for 3 stages deployment on ADO and Terraform (IaC) integrated with Kubernetes clusters, managing Kubernetes applications and deploying with Helm charts.

• Constructed user interface views and supporting SSRS reports for the application’s “Sales Dashboard”, “Upcoming Services” functionality.

• Debugged and resolved critical bugs of GraphQL API for 3 internal services working with Azure Cloud and Node.js/Typescript.

• Development and deployment of data applications, creation of data ingestion pipelines between legacy data warehouses and the big data.

• Expert level of data and cloud skills employing Azure DevOps, Azure Virtual Machines, Azure Blob Storage, App Service, Cosmos DB, Service Bus and Azure Data Factory.

• Developed interactive internal web tools using Blazor Server and Blazor WebAssembly for real-time patient monitoring and scheduling modules, enabling seamless cross-platform access and reducing UI latency by 30%.

• Mentored 2 junior developers with C#, Angular and Azure and played a pivot role in a fast-paced Agile/Scrum team managing Jira workflows and Confluence documents.

Solar Mosaic LLC Remote

Lead Full Stack Engineer 2/2019 – 12/2021

• Engineered scalable backend solutions using C#, .NET Core, Java, Spring, and Node.js on AWS Lambda, ECS, and Elastic Beanstalk to strengthen the performance, reliability, and compliance of Mosaic’s clean energy financing, loan origination, and CRM platforms.

• Built and maintained 5+ front-end apps with Angular, Vue.js, Blazor, Razor, and Kendo UI, hosted on AWS S3 and CloudFront, delivering responsive, compliant, and user-centric interfaces for loan processing, underwriting, credit scoring, and Dynamics 365 CRM integrations.

• Spearheaded the migration of legacy lending systems to a microservices architecture using SAGA patterns, RabbitMQ, and Apache Kafka on AWS MSK, improving modularity, transaction integrity, and scalability across payment, settlement, and reporting services.

• Designed high-performance gRPC services with C# and .NET Core, integrated with AWS API Gateway and App Mesh, to ensure secure, low-latency communication between financial, underwriting, and compliance microservices.

• Developed custom Jira plugins using Java, Spring Boot, and Vue.js to automate portfolio management, audit tracking, and regulatory reporting workflows, leveraging AWS RDS and Secrets Manager for secure data storage and access.

• Optimized data operations with Entity Framework Core and Dapper on AWS RDS (PostgreSQL) and DynamoDB, reducing database load by 25% and improving responsiveness for transaction processing, loan analytics, and credit risk assessment.

• Implemented centralized logging and monitoring using ELK Stack, AWS CloudWatch, and Serilog to enhance observability, audit readiness, and adherence to KYC, AML, and SOX compliance standards across Dynamics 365 and core lending applications.

• Leveraged Docker with AWS ECR/ECS to containerize services, improving development agility, scalability, and consistency across PCI DSS–compliant deployment environments. iA Richmond, VA

Full Stack Engineer 10/2015 – 10/2018

• Managed 2 web applications (Medical Test Projects) for applying to waiting lists, checking statuses, and submitting report data with ASP.NET MVC, Razor, Azure, Metro UI, OWIN, PostgreSQL, Typescript and jQuery.

• Updated a hybrid mobile application with React Native used by 100+ doctors for managing patient details and built a new patient notification system.

• Enhanced patient enrollment system creating React modules using Typescript, Next.js, and Material UI, APIs written in Node.js with PostgreSQL Database.

• SSIS/ETL packages to load data on reporting database from operational database daily and monthly basis which reduces response time and load balance on operational database.

• Implemented 20+ reusable Angular functional components in Typescript using Webpack federation module, Tailwind CSS/SASS and modernized state management system using RxJs.

• Managed CI/CD pipelines in Jenkins, facilitating code deployment ensuring 99.9% deployment success rate in AWS environment with S3, Cloudformation, Elastic Beanstalk and Kinesis.

• Backend database development of triggers, packages, and functions within an Oracle 11g and SQL Server database environment using PL/SQL, improving data processing efficiency by 35%. IBM Birmingham, AL

Software Engineer 10/2013 – 10/2015

• Migrated a 400K+ line client Web Forms app to ASP.NET MVC and WCF/REST under the Digital Modernization Project, raised unit test coverage by 35%, and delivered a responsive HTML5, CSS3, and jQuery interface.

• Added OAuth 2.0 authentication to an Angular 2 app for secure integration with a .NET Core API via Azure Active Directory under the Identity and Access Management Program.

• Designed and deployed WCF services using SOAP/WSDL and UDDI in the Customer Experience Optimization Project, improving interoperability and increasing satisfaction and conversions by 30%.

• Developed scalable enterprise apps with Java, Spring, Servlets, JSP, and WebLogic under the Enterprise Performance Initiative, improving performance by 10%.

• Authored and executed 50+ xUnit tests in the Quality Assurance Initiative to ensure code quality and reduce defects.

• Introduced Git and TFS for version control, automated builds with Jenkins, and integrated JIRA in the DevOps Program, reducing development time by 10%.

• Applied Agile SCRUM and TDD across client transformation projects. EDUCATION

Auburn University Auburn, Alabama

Master of Science 2010 - 2015

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