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Growth · Checkout · Walmart
Checkout Consolidation — Walmart eCommerce
Improving consolidation rate through a monolith-to-microservices migration.
Reading time: approximately 1 min
6.5% → 10%
consolidation rate
~$15M
margin improvement
15+
engineering teams
● CONTEXT
The Situation
[FILL: The checkout consolidation problem and its business impact.]
● RESEARCH
How I Found the Problem
[FILL: How you identified the consolidation opportunity.]
● PROBLEM
The Real Problem
[FILL: The specific friction causing low consolidation.]
● SOLUTIONS
Options Considered
[FILL: Technical and product options. How you chose the API contract approach.]
● THE BET
What We Shipped
[FILL: Product validation work for the microservices migration. API contract definition. Success metric.]
● OUTCOMES
What Moved
Consolidation rate improved from 6.5% to 10%. Approximately $15M margin improvement. Migration completed with zero service disruption.
● LEARNINGS
What I'd Do Differently
[FILL: What you would do differently in cross-team coordination.]
Interactive Prototype — Checkout Flow Wireframes