Micro-Frontend Platform

I architected a React and Module Federation micro-frontend platform to let multiple product teams build and deploy independently. The platform balanced autonomy for teams with consistent UX and performance across the whole application.

A single shared frontend was becoming a bottleneck. Multiple teams contributed to one codebase, which slowed releases, created merge contention, and made it hard to scale ownership without breaking others.

As the frontend engineer driving the architecture, I defined the module contracts, built the host shell and shared foundations, and coordinated the migration with multiple product teams.

• The existing application had to remain operational during migration.
• Teams had different release cadences and ownership models.
• We needed consistent UX and performance budgets across modules.
• Independent deploys could not break the shared experience.

The platform uses a stable host shell that orchestrates routing and shared UX. Team-owned micro-frontends are loaded via Module Federation and federated through Webpack, while shared services handle auth, data, and design tokens. This keeps boundaries clear while preserving a unified product feel.

• Defined the micro-frontend architecture, module contracts, and shared dependencies.
• Built the host shell, routing, and shared UI foundations.
• Migrated teams onto the platform incrementally, with a backward-compatible rollout.
• Reduced frontend build time by approximately 35% by isolating team builds.

15+ enabled

Teams

~35% faster

Build time

• Governance and documentation matter just as much as the underlying tooling.
• Shared contracts prevent drift across independently shipped applications.
• Performance budgets must be enforced early to remain effective.