Daniel Dieppa

Providing backend development and cloud integration consulting for multiple enterprise clients. Designed and implemented scalable, secure, and maintainable systems with the Microsoft stack, focusing on APIs,
data workflows, and integration with Azure services.

CrashChampions (Automotive Collision & Calibration Services)

• Developed CAMS, a multi-layered backend service for automotive calibration management built on ASP.NET Core, EF Core, and MediatR (CQRS), applying Clean Architecture principles for maintainable and scalable workflows.

• Integrated Azure SQL, Blob Storage, Service Bus, and Durable Functions to handle data persistence, asynchronous messaging, and workflow orchestration, with diagnostics and monitoring through Application Insights.

• Implemented granular role-based access control (RBAC), optimized SQL data models and migrations, and delivered robust RESTful APIs with FluentValidation, unit/integration testing, and health checks for operational reliability.

Dynata (Global Data & Insights Company)

• Designed and developed a platform to import, standardize, and distribute offers from multiple external providers into Dynata's internal ecosystem using .NET 8, C# 12, and Azure Functions, ensuring consistent and reliable data processing.
• Built an event-driven architecture with Azure Service Bus for asynchronous processing and real-time offer updates, backed by Entity Framework Core (Code First) with managed schema evolution via EF Migrations and Grate.

• Delivered a secure and performant API gateway for client consumption, implementing hash validation, URL transformation, and automated testing with xUnit, Moq, and FluentAssertions to maintain system reliability.

QTC Management (Healthcare Services for VA)

• Migrated critical SSRS reports to new servers using SQL scripts, maintaining uptime and data integrity for VA health services.
• Refactored .NET Framework 4.8 Windows Services using SOLID principles, improving code maintainability and performance; introduced Quartz.NET and Azure Functions concepts to enhance scalability.

• Built an end-to-end tracking system using ASP.NET APIs, SQL, and message queues, increasing visibility across member health workflows and aligning solutions with business needs through structured reviews in Azure DevOps

WEX (Fintech & Payments Provider)

• Customized and enhanced SSRS reports and check templates by manipulating RDL files to meet complex partner and compliance requirements.

• Diagnosed and resolved backend performance issues using DataDog, analyzing SQL stored procedures and .NET 6/4.8 code to improve reliability across a large legacy system of 500+ projects.

• Supported CMS government communication compliance by identifying and fixing transmission and data integrity issues through detailed SQL and code analysis.

ServiceChannel (Facilities Management SaaS)

• Enhanced the Provider Search API using Entity Framework, MediatR, Elasticsearch (ES NEST), and Redis, improving response efficiency and backend reliability.
• Developed reusable React components and optimized backend integrations, ensuring seamless collaboration between backend and frontend teams.

• Strengthened software quality through comprehensive unit and integration testing with xUnit, Moq, and FluentAssertions, and reinforced code security via Veracode analysis.

Juniper by IMC (E-Commerce & Credit Platform)

• Rebuilt and modernized the e-commerce API from .NET 3 to .NET 6, improving system efficiency, scalability, and maintainability.

• Developed the JuniperCredit service using ASP.NET Core, Refit, FluentValidation, and Ardalis.Guards, ensuring compliance with business rules and secure transaction processing.

• Applied Clean Architecture principles, implemented automated testing with AutoFixture, Moq, xUnit, and FluentAssertions, and collaborated with Nuxt.js frontend teams to optimize API design and data delivery, maintaining quality through Codacy and best coding practices.

Investment and asset management firm specializing in mortgage and credit portfolios.

• Led the transition from REST APIs to GraphQL using HotChocolate, improving data retrieval efficiency and simplifying client integrations.

• Architected and delivered a greenfield backend API using C#, Entity Framework Core, and MediatR, applying Clean Architecture principles and integrating with a Vue frontend for responsive user interaction.

• Implemented ASP.NET SignalR for real-time feedback and optimized the user experience using Vue and Tailwind CSS.
• Utilized Azure DevOps for Agile project management, CI/CD automation, and version control through Azure Repositories

Global cruise company providing travel and hospitality services.

• Implemented Docker containers to standardize environments across multiple projects, improving collaboration and deployment consistency.

• Developed and maintained the Deck Plan Explorer for Regent Cruise Line using Vue.js, enhancing usability and aligning with corporate design standards for a seamless guest experience.

• Managed legacy .NET WebForms systems, ensuring smooth integration of new features and rapid issue resolution to maintain platform reliability.

• Created and maintained internal documentation through GitHub Wiki, JIRA, and Confluence, streamlining onboarding and promoting best practices.

• Enforced secure coding standards with Veracode, proactively identifying and mitigating vulnerabilities to ensure compliance and application integrity.