PECB CMSA case studies
PECB CMSA · Put your knowledge to work in context.
The PECB CMSA is listed in this site's metadata under the name "Certified Management Software Architect," with "CMSA" as its short alias. It sits in the software architecture family of PECB individual certifications, alongside PECB's wider catalogue of cybersecurity, privacy, AI, governance, continuity, and quality credentials. The PECB CMSA case studies are 5 cases and about 4,223 words.
1Northline Retail: Justifying a Service Split Under Cost and Consistency Constraints
Northline Retail's order platform is a 14-year-old Java monolith of 3.1 million lines running on 38 application servers. Forty-two teams commit to the same repository; the release train ships every six weeks, while the business now asks for three production releases per week.
740 words, about 4 min2MedQueue: Choosing Views for Offline Clinic Scheduling
MedQueue schedules appointments for 600 clinics and handles 18,000 bookings per day. Clinics lose connectivity for up to four hours; schedulers must still book, cancel, and check insurance eligibility offline, then reconcile without double-booking.
863 words, about 4 min3PayCore: Architecture Communication for Auditors and High Turnover
PayCore processes 4 million card payments per day across five European countries and must satisfy PCI DSS and a national regulator. Nine teams, spread across three time zones, contribute to the platform; contractor turnover is 60% per year.
888 words, about 4 min4Atlas Bank: Tiered Governance and Fitness Functions at Scale
Atlas Bank's architecture review board meets weekly and reviews every solution design above a €200,000 cost threshold. With 120 application teams, the queue averages two weeks, and 60% of submissions are approved with only editorial comments.
855 words, about 4 min5FreightTrack: Evaluation Before a Rewrite-or-Evolve Decision
FreightTrack is an eight-year-old logistics platform with 4.2 million lines of code, 310 services and batch jobs, and a deployment pipeline that takes nine hours with manual approval gates. Production incidents rose 40% year over year, and 11% of defects escape to production.
877 words, about 4 min