From Legacy Complexity to Cloud-Ready Scalability: A Construction Technology Transformation
Industry
Construction Technology
Overview
The client is a global construction and real estate technology provider delivering software, cloud platforms, and lifecycle management solutions for large-scale capital projects. Following a strategic acquisition of a widely used construction program management platform, the company launched an ambitious modernization initiative, transforming a legacy system into a scalable, cloud-ready product while keeping existing customers fully operational throughout.
Challenge
Modernizing a mission-critical platform is complex on its own. Doing it without disrupting live operations raises the stakes considerably. The client needed to run parallel workstreams, stabilizing the existing product while simultaneously building the next-generation platform, across distributed engineering teams, mixed technology stacks, and multiple stakeholder groups. Key objectives included:
- Running parallel development across legacy and next-gen platforms without service disruption
- Managing a hybrid tech ecosystem bridging old and modern architectures
- Coordinating distributed teams across stabilization and innovation tracks
- Aligning Kanban workflows, agile practices, and internal delivery standards
- Reducing technical debt while maintaining code quality
- Improving collaboration and feedback loops across engineering and business stakeholders
- Accelerating delivery speed and establishing a scalable CI/CD pipeline
The Solution
Sigma Solve deployed a phased, cloud-first modernization strategy designed to keep the existing platform stable while steadily advancing the new one. The approach prioritized engineering discipline, cross-functional alignment, and delivery consistency from day one.
Key initiatives included:
- Assembled a dedicated cross-functional team spanning developers, architects, QA specialists, and product stakeholders
- Established standardized collaboration frameworks to sharpen communication, increase transparency, and tighten feedback cycles
- Stabilized and modernized the legacy platform using VB.NET, C#, and AngularJS, preparing it for future enhancement without breaking existing functionality
- Applied Kanban and lean engineering practices to improve delivery predictability and keep work-in-progress under control
- Continuously monitored system performance to proactively address reliability and scalability risks
- Enhanced core business modules with improved usability and modern functionality
- Integrated digital signature capabilities to support compliance-driven, legally binding workflows
- Built CI/CD pipelines to accelerate releases and shorten issue resolution timelines
- Systematically reduced technical debt through ongoing code optimization and refactoring
Outcome
Within two years, the platform went from fragile and debt-laden to reliable, efficient, and cloud-ready. Defects dropped to near-zero. Downtime became the exception, not the norm. Engineering teams moved faster, collaborated better, and delivered more predictably, all without a single major disruption to live operations. The client now has the foundation, the processes, and the momentum to scale confidently into its next phase of growth.