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From prototype to 13 production microservices in 15 weeks.

The Challenge

An early-stage platform had a working prototype but no production architecture. The codebase needed to be decomposed into microservices with enterprise-grade security, observability, and testing before it could handle real users and pass technical due diligence. The timeline was aggressive. The budget was fixed.

The Approach

Greenfield Labs ran the full manufacturing process. Week one produced a complete architecture blueprint with typed service contracts and domain models. The blueprint was reviewed, refined, and approved before any implementation began. The build phase used the Greenfield platform to construct each microservice: CQRS with event sourcing, zero infrastructure code, two-layer authorization, typed contracts between every service. Evergreen automated test generation, contract validation, and coverage enforcement.

The Results

13 services
Production microservices delivered
385 handlers
Command, query, and event handlers
Due diligence ready
Passed technical review on delivery
90%+ coverage
On every service
15 weeks
Single developer timeline
75% reduction
Cost vs. in-house team

Technical Details

TypeScript with strict mode across all servicesCQRS + event sourcing for every domainRabbitMQ for all inter-service communicationPostgreSQL for event storage, Redis for cachingOpenTelemetry + Jaeger for distributed tracingPrometheus + Grafana for metrics and dashboardsDocker containerization for every serviceBiome for linting and formatting enforcement

The Outcome

The platform moved from prototype to production-ready architecture in fifteen weeks. The delivered system included complete documentation, deployment configurations, and architecture walkthroughs. The codebase was designed for the client's future engineering hires to read, maintain, and extend from day one.

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