Software Solutions Architect & Full-Stack Leader

RYAN ANTHONY CALDERONI

*******@****.*********.***

B.S. Computer Science, Human-Computer Interaction, Business Information Systems — Liberty University

SOFTWARE SOLUTIONS ARCHITECT

Full-stack software developer and solutions engineer with nearly two decades of experience turning complex business requirements into innovative, production-ready software platforms tuned for growth, user experience, and product-market fit.

Proven delivery across startups and growth-stage businesses in healthcare, insurance, e-commerce, higher education, and supply chain — including five products acquired by companies such as Carnegie, Elavon, American Well, and E2open.

Excels working directly with product and sales teams, stakeholders, clients, and end-users to uncover technical innovation and user experience opportunities that are both elegant and effective.

TECHNICAL EXPERIENCE

Languages & Frameworks

C#, .NET, ASP.NET Core, LINQ, Blazor Server & WASM, Entity Framework, Dapper, Node.js, JavaScript/TypeScript, Python, Swift/SwiftUI, MonoGame, Godot, OpenGL

Front-End

HTML/CSS, React, Vue, Angular, jQuery, Razor Pages, Blazor Components

Cloud & DevOps

Azure (App Services, Functions, API Management, Service Bus, Blob Storage, B2C), AWS (ECS, Lambda, SQS, RDS, S3), Docker, Kubernetes

Data

SQL Server, PostgreSQL, SQLite, MongoDB, Redis, DynamoDB

Auth & Identity

SSO, SAML 2.0, ADFS, OpenID Connect, Microsoft Entra, Azure AD B2C, JWT

AI & Agents

Prompt Engineering, Multi-Agent Orchestration (MAF), Semantic Kernel, Claude Code, OpenClaw

Tools & Testing

Git, Azure DevOps, Jira, CI/CD Pipelines, Visual Studio, JetBrains Rider, Xcode, MSTest, Selenium, Playwright

PROFESSIONAL HISTORY

Lead Developer & Software Architect Emperion, Inc. May 2024 – Present Remote

Collaborating with Platform Product Manager, Operations & Support, External Customers

Led the development team and established code review standards, architectural patterns, and agile deployment workflows using Azure DevOps for pull requests and CI/CD pipelines.

Architected and executed a full platform migration from legacy IIS ASP.NET to Azure serverless, implementing App Services, Service Bus Queues, API Management, Function Apps, Azure SQL, Blob Storage, and Microsoft B2C.

Designed and built a multi-tenant Blazor Server (.NET 8) web portal for Healthcare Providers and Claims Adjusters with direct API integration into the W5 claims processing workflow system backed by SQL for configuration and activity tracking.

Created a serverless event-driven document management system using Azure Blob Storage and Azure Functions for managing file transfers between third-party external systems, paired with Blazor components for user-friendly upload.

Implemented a custom SAML 2.0 SSO Service Provider integration system for Blazor apps, supporting claims exchange and group mapping, with an admin back-end for provider configuration and metadata management.

Lead Application Development Engineer Centene (Contract) Apr 2023 – Apr 2024 Remote

Collaborating with Cloud Engineers, Database Engineers

Designed and implemented a scalable pharmacy claims and drug pricing aggregation micro-service API using ASP.NET Docker containers within an AWS-hosted Kubernetes environment.

Created a secure logging mechanism to eliminate PHI/PII from application logs without losing contextual awareness via trace IDs linked to a secure internal SQL database.

Assisted a parallel team in rapidly delivering ASP.NET Razor web application features on a tight deadline, implementing both front-end interface controls and back-end services.

Added Single Sign-On via Microsoft Azure AD Connect to provide client-managed identity and authorization support to an existing ASP.NET application.

Software Engineer Fire Engine Red Sep 2020 – Oct 2022 Remote

Collaborating with Sales Team & Customer Success — Company acquired by Carnegie

Replaced a high-volume single-threaded email processing monolith with a concurrent micro-service architecture on AWS using .NET Core, Docker, DynamoDB, S3, SQS, and Lambda.

Devised a parallel-testing approach that isolated identical data inputs across old and new systems and compared SQL output to validate correctness, bypassing weeks of manual QA testing.

Collaborated with customer success to identify pain points in a bulk import system’s logging, redesigning output to improve error detection and enable preemptive data integrity management.

Conducted code reviews and pair programming sessions to increase code quality and provide mentorship for junior developers.

Senior Developer Vault Consulting Apr 2019 – Jul 2020 Reston, VA

Collaborating with Data Scientists, Sales Managers, Product Owners

Analyzed a complex legacy ASP report generation system and developed a fully automated .NET Core replacement with a web dashboard that accepted configurable Excel templates, allowing analysts to customize reports without code changes.

Created a parameterized automated data capture service to fetch commodity data from the US Census Bureau Trade Data API on published schedules, working with the customer to validate formatting and accuracy.

Application Developer USACE Contract (Inserso) Sep 2018 – Mar 2019 Reston, VA

Collaborating with USACE Officers, Site & Project Managers

Designed a lead-based paint survey data collection process for military housing that avoided costly offline systems and reduced the feeling of privacy intrusion for residents.

Developed SharePoint architecture and dynamic widgets for displaying metrics and personnel data for USACE internal use.

Senior Software Engineer ETS Corporation May 2016 – Aug 2018 Ashburn, VA

Collaborating with VPs of Sales & Customer Support, Director of Technology — Company acquired by Elavon

Led multiple e-commerce and payment processing integration projects for a range of unique customers, ensuring development met requirements and solutions were delivered on time.

Developed a centralized identity and access control API in .NET Core using JWT tokens to consolidate disparate login providers across multiple legacy applications.

Traveled on-site to observe end-users in a large fast-paced call center, identifying multiple pain points and opportunities to streamline the interface and user experience.

Provided technical guidance for sales and integration teams deploying merchant services across consumer and business segments.

Managed and mentored multiple teams of junior developers implementing SPA features using Angular and ASP.NET MVC.

Senior Software Engineer Avizia Jun 2015 – Feb 2016 Reston, VA

Collaborating with Hardware Engineers, Customer Relationship Managers — Company acquired by American Well

Designed a portable web-based configuration generation and management interface for hardware deployment of telemedicine kiosks.

Supported customer relationship managers in understanding product capabilities and delivered customized .NET and web development to meet customer demands.

Software Engineer Orchestro Dec 2013 – Jun 2015 McLean, VA

Collaborating with Product Management, Sales & Customer Support — Company acquired by E2open

Contributed to a retail marketing promotion calendar paired with aggregated supply chain data exceeding 2 terabytes per day.

Supported integration of .NET supply chain analytics software with Java-based MicroStrategy for reporting and user management.

Senior Programmer Analyst / Web Development Coordinator Corvesta, KeyStone & Global Learning Systems Feb 2008 – Dec 2013 Roanoke, VA

Collaborating with Operations Managers, COO, Sales & QA Leads, Enterprise Technical Contacts

Collaborated with stakeholders to adapt business needs into software requirements for ASP.NET insurance adjudication and provider search systems with multi-organization SSO via ADFS, serving government entities including the Department of Education and NTSB. Also developed an HTML5 dental records viewer for fraud detection and modernized a legacy 16-bit x-ray application.

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