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Professional Services

AON - Greenfield Headless Platform.

ClientAON (Global Professional Services)RoleSenior Sitecore Developer
AON multi-country platform homepage
// overview

About This Project

Joined AON as Senior Sitecore Developer to build a greenfield multi-country web platform from scratch. The project used Sitecore JSS 9.1 with a Vue.js and Nuxt.js frontend, implementing a fully headless architecture following Helix principles.

I built the initial architecture, set up the CI/CD pipeline in Azure DevOps, and established development workflows using Leprechaun for code generation and Unicorn for serialization. I designed the GraphQL API layer that powered the frontend, implementing efficient queries that reduced payload sizes by 60% compared to traditional REST approaches. I also configured multi-site and multi-language support to serve 8 different country markets.

The platform launched successfully with all 8 country sites going live within 6 months. The automated deployment pipeline reduced deployment time from 2 hours to 15 minutes, and the headless architecture provided the flexibility to iterate quickly on user experience improvements.

// stack

Technologies

Sitecore JSS 9.1Vue.jsNuxt.jsGraphQLHelixLeprechaunUnicornAzure DevOpsC#
// results

Key Outcomes

  • Launched 8 country sites in 6 months with shared codebase
  • 60% payload reduction through optimized GraphQL queries
  • Deployment time reduced from 2 hours to 15 minutes
  • Headless architecture enabled rapid UX iteration and testing

Interested in working together?

If this kind of work resonates with your project needs, I'd love to hear about it.