Regional Leader in PVC Window Production: E-commerce platform rebuilt without documentation, delivering improved conversion rates and substantially higher organic traffic.

The Challenge

When the company ended its relationship with its previous software vendor, it inherited almost nothing of operational value. There was no project documentation, no architectural diagrams, and no version control history in the codebase. For a live e-commerce platform handling custom product configurations and checkout flows, this was not a minor inconvenience; it was a fundamental risk to business continuity. The existing e-commerce website compounded the problem. The user interface was severely outdated by contemporary UX/UI standards, particularly on the homepage and checkout pages. The antiquated design degraded user trust, suppressed engagement, and reduced conversion rates. Customers configuring and purchasing custom products, which involves a considered and higher-value transaction, expect a modern and confidence-inspiring digital experience. The existing platform delivered the opposite. Performance issues amplified the damage. Slow load times and poor mobile responsiveness frustrated users, penalized the platform in search engine rankings, and created instability that undermined reliability. In a market where the digital channel’s competitive edge depends entirely on making the purchasing experience simpler than the traditional route, a slow and unreliable platform negated the core value proposition. The enterprise had lost visibility into its own system, lost trust in its vendor relationship, and was operating a platform that was actively impeding growth.

The Approach

Gradion began where it had to: understanding a codebase with no documentation and no version history. The team undertook an extensive reverse-engineering effort, methodically analyzing the existing codebase to reconstruct the architecture, map the functionality, and identify the dependencies that needed to be preserved or replaced. This work was the precondition for everything that followed. With a clear picture of the establishment of the existing system, Gradion executed a multi-track transformation. On the design side, the team undertook a complete overhaul of the two most commercially critical areas: the homepage and the checkout flow. The homepage was rebuilt with multiple customizable sections designed to improve browsability and communicate the product range clearly. The checkout was restructured to reduce the number of steps, introduce clear progress indicators, and minimize cart abandonment at the point where custom-configured orders are most likely to be dropped. Mobile responsiveness was treated as a first-class requirement throughout, ensuring a consistent experience from desktop to smartphone. On the infrastructure side, Gradion restructured the underlying platform to improve scalability, resilience, and stability. Advanced monitoring and alerting tools were integrated to enable real-time performance tracking and rapid incident response, a capability the client had not previously possessed. The result was a meaningful reduction in downtime and a more reliable platform. Critically, Gradion rebuilt the company’s relationship with its own technology. Comprehensive knowledge transfer, detailed documentation, and transparent communication channels gave the enterprise genuine ownership and understanding of its platform, a direct contrast to the opacity left by the previous vendor.