Context

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    Led modernization efforts for a national brokerage transaction management platform used by real estate staff and brokerages to manage transaction documentation, compliance workflows, and agent services.

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The system had been in operation for approximately 20 years and supported more than 1,000 users across multiple regions. It was a mission-critical operational platform responsible for managing the documents and compliance records required for brokerage transactions.

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    The architecture included a monolithic .NET application, SQL Server with extensive stored procedure logic, BizTalk integrations, and deployment in an on-premise data center environment. Users accessed the platform daily to manage transaction documentation and compliance requirements.

Because the platform handled critical brokerage compliance workflows, uptime and operational reliability were essential.

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Challenge

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Over time the platform became increasingly difficult to evolve due to tightly coupled application components, aging architectural patterns, and manual deployment processes.

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Key challenges included:

• Slow feature delivery

• Hard-to-modify business logic

• Operational support burden

• Tight coupling across application components

• Limited deployment automation

The platform also contained significant customization aligned with brokerage workflows. Replacing the system with a SaaS product would have risked losing important operational capabilities and would have introduced new complexity before business processes were sufficiently standardized.

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Actions

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Led a modernization strategy focused on improving user experience, architectural flexibility, and platform scalability while maintaining operational stability.

The first phase prioritized modernizing the user experience, introducing a responsive design that significantly improved usability across devices and simplified core data relationships within the platform.

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Additional modernization initiatives included:

• Introducing an API-first architecture using RESTful services exposed through the Apigee API Gateway

• Implementing opportunistic modernization, dedicating backlog capacity each sprint to incrementally improve legacy components

• Transitioned legacy BizTalk integrations to an event-driven architecture built on Azure-native services including Service Bus, Functions, Logic Apps, and Event Grid.

• Migrating document storage from legacy file servers to Azure Blob Storage

• Supporting infrastructure modernization including data center migration and cloud lift-and-shift efforts

• Modernizing source control and engineering workflows, transitioning from TFSVC to Git-based development, and later migrating to GitLab to align with enterprise standards

• Modernizing CI/CD pipelines to improve release automation and engineering productivity

• Leading the architecture and implementation of AI-driven workflows to classify and route transaction documents automatically into the appropriate transaction records

These efforts were implemented incrementally to reduce operational risk while improving platform flexibility.

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Impact

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The modernization efforts significantly improved both engineering delivery and operational efficiency.

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Key outcomes included:

• Improved application stability and operational reliability

• Faster delivery cycles through improved CI/CD automation

• Reduced architectural coupling and improved integration patterns

• Better developer experience and engineering productivity

• Improved operational efficiency for brokerage staff managing transaction compliance

The modernization work also established a stronger integration and event-driven foundation that improved communication between internal systems and external services.

From a business perspective, the effort helped reduce operational costs while providing a more intuitive and efficient transaction management experience for brokerage teams.