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Advanced ~24 hours

Module Federation Micro-Frontend Spike

Prototype a micro-frontend architecture with Module Federation. Decide if it's right for your scenario and write up the trade-offs.

Webpack Module FederationReact 18TypeScriptSingle-SPA

About this project

Micro-frontends are a controversial pattern — they solve real org-scale problems but introduce real complexity. This project is the senior-engineering judgement exercise: prototype the pattern, hit real walls (versioning, shared dependencies, deploy coordination), and write the honest trade-off analysis. The writeup is the most valuable deliverable. Senior engineers are paid for judgement, and "we considered micro-frontends and chose not to use them" is often the right answer.

Why build this in 2026?

Module Federation is now stable; the question is whether your org is at the scale that needs it. Engineers who can articulate the answer get senior + staff roles.

What you'll ship

  • Working prototype with 2+ apps composing into a shell
Trade-off writeup (recommend / do not recommend with evidence)
GitHub repo with both apps

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Skills you'll practice

system designreacttypescript