E-Commerce Microservices Migration
An anonymized Larkinized engagement illustrating EA value in technology.
Client Context
An e-commerce retailer exiting monolith through domain-based microservices. Larkinized engaged with CIO and business sponsors across technology.
Challenge
Database shared by all teams; deploy collisions weekly.
Approach
Bounded contexts for cart, catalog, pricing; CI/CD golden paths.
Architecture Decisions
Database-per-service; saga pattern for checkout; feature flags.
Outcomes
Deploy frequency daily; incident MTTR down; cart abandonment improved.
Lessons Learned
Microservices migration needs data decomposition plan first—not service count.
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