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Architecture-First Case Studies

Every project below represents a system that can't fail. Here's how we built them.

APIAgentLLMContextVector DBCache
Data FlowReal-time clinical data streamingwith guaranteed delivery andstore-forward for offline resilienceBedsideMonitorIntensive Care UnitInfusion PumpVentilatorNurse CallPreprocessingUnit GatewayHL7v2 ParseValidationBufferingHospitalSite A - MainProvisioningHospitalSite B - EastRedundant SyncAdmit/transfer for receivingcritical lab valuesRemote site not receiving alltransmissions successfullyUnit-Level AggregationICUGatewayEDGatewayMed/SurgGatewayORGatewayCentralMonitoringServerHL7 FHIR BrokerAggregatedFilteredContactManagerAPI GatewayWebSocketto REST transformMessage QueueHL7 FHIRAsync DeliveryClinical DataRepositoryAlarmManagementPriority RoutingEpic/CernerEHR ConnectorFHIR R4PACSIntegrationDICOMLab InfoSystem (LIS)HL7v2.5PharmacySystemNCPDP SCRIPTBidirectionalPatient ContextMonitoringRoomCentral StationEmergencyRoomTrauma AlertsOperatingRoomSurgical MonitoringHospitalUnit AHospitalUnit BOutgoing eventswaiting to be sentUnits are assigned tospecific floor or wardEscalation PipelineTriageAlertsFloor/ChargeNursePendingAlertEscalationStatusTicketParamsRegisteredEventEscalationAlarmBidirectionalSyncWebSocketMobile AlertSystemCharge NurseRapid ResponseAttending PhysicianPriority-basedroutingVoIPSIPHospitalTelephonyVoIPTrunkCalls route through networkand go to phoneClinical DataWarehouseAnalytics & BIComplianceReportingHIPAA AuditTECH STACK:ReactNode.jsPostgreSQLRedisWebSocket
HealthcareHIPAAReal-Time

Real-Time Patient Monitoring System

The Hard Part:

Ensuring zero data loss during network interruptions while maintaining HIPAA compliance across 47 hospitals.

Avg Response

120ms

Uptime

99.99%

Daily Events

2.4M

TECH STACK

ReactNode.jsPostgreSQLRedisWebSocket
MULTI-DOMAIN COMMAND PLATFORMSecure C2, Cross-tier Air-gapped Data Synchronization[CLASSIFICATION LEVEL]SYMBOLOGYSecurity Enforcement (CDS)Data StorageNetwork Boundary / ProcessServer NodeEndpoint TerminalUser InterfaceC2 INTERFACESTACKSENSORGRIDISR feedsUNIFIEDCOMMANDINTERFACECOP DisplayAUDIT &COMPLIANCEENGINESTIG / RMFPKI / CACAUTHMODULESTRATUM-1TIME SYNCGPS/IRIG-BMULTI-DOMAIN SERVICESZONE 1: NIPRNETUNCLASSIFIEDDOMAINCONTROLLERNIPR-DC-01USER TERMINALS (x4)UNCLASSFILE SVRBOUNDARYGATEWAYNetwork10.x.x.xAIR-GAP BOUNDARY // NO ELECTRONIC TRANSFERZONE 2: SIPRNETSECRETCDSISSE GuardCDS-S-01SECRET DCSIPR-DC-01SECRET TERMINALSSECRETDATA STORECLASSIFIEDAPP SERVERSIPR-APP-01NetworkSECRETAIR-GAP BOUNDARY // NO ELECTRONIC TRANSFERZONE 3: JWICSTOP SECRET / SCICDSHigh-SideCDS-TS-01TS DOMAINCONTROLLERJWICS-DC-01TS/SCI TERMINALSTS/SCIREPOSITORYINTEL FUSIONSERVERJWICS-FUSION-01JWICSTS/SCIONE-WAY DATA DIODE PATH // UNIDIRECTIONAL TRANSFERFILTERNORMAL-IZETRANS-FORMROUTEDIODEOUTPUTQUEUETECH STACK:C++PythonKubernetesEnvoygRPCUNCLASSIFIED // FOR OFFICIAL USE ONLY // FOUO
DefenseCMMCClassified

Multi-Domain Command Platform

The Hard Part:

Synchronizing classified data across air-gapped networks with sub-second latency requirements.

Sync Time

340ms

Networks

12

Ops/Day

47K

TECH STACK

C++PythonKubernetesEnvoygRPC
Adaptive Learning Analytics PlatformReal-time behavioral data processing with FERPA complianceStudentEndpoints(180K devices)LMSIntegrationCanvas / BlackboardClickstream events,session data, andinteraction logsEventStreamApache KafkaStudentDataPipelineStudentBISEvent MindPlatformReal-Time AnalyticsLive threat detection,cohort behavioral analysisIKIStatusPredictorPace TimeAnalytics FlowReal TimeFilterNormalizationData ValidationStudentProcessingPlatformTensorFlow MLAdaptive ResponseInterventionNotificationsFERPA COMPLIANCE LAYERData De-identificationPII tokenization withreversible encryptionAES-256-GCMAccess ControlRole-based permissionswith consent verificationOAuth 2.0 + RBACAudit TrailImmutable access logswith tamper detectionSHA-256 Chain§99.31FERPAComplianceAuditDatabaseWrite-protectedPass PredicateData sent forde-identificationPass-throughonly de-identifiedTypeScriptNext.jsSupabaseKafkaTensorFlow
EducationFERPAScale

Adaptive Learning Analytics Platform

The Hard Part:

Processing real-time behavioral data from 180K students while ensuring FERPA compliance and millisecond response times.

Students

180K

Query Time

45ms

Data Points/Day

8.2M

TECH STACK

TypeScriptNext.jsSupabaseKafkaTensorFlow
MicroservicesMessageQueueDirectRouterMessageQueueDownstreamEnterpriseMulti-tenantEvent SourcesHTTPIngressWebhookReceiverKafkaConsumergRPCStreamScheduledCron JobsS3 EventTriggerCDCDebeziumTransactionOrchestratorSaga Pattern CoordinatorDistributed Transaction Manager• Compensation Handling• Idempotency Keys• Retry with Backoff• Circuit BreakerTransaction state persistedwith event sourcingTenant ContextDownstream MicroservicesBillingServiceNotificationServiceInventoryServiceFulfillmentServiceAnalyticsServiceAuditLoggerSaga StepsWorkflowEngineTemporal.ioWorkflowDefinitionExecutionStateWorkflow definitionas code (DSL)Durable executionwith replayEventStorePostgreSQLTenantConfigRedisAuditTrailElasticsearchAPIGatewayKong / EnvoyExternal ProtocolREST / GraphQLClientsArchitectureSOC 2Type IICompliantTECH STACK:GoReactPostgreSQLRabbitMQTerraform
Enterprise SaaSSOC 2Multi-Tenant

Enterprise Workflow Orchestration

The Hard Part:

Building a zero-downtime multi-tenant system handling 10M+ daily transactions with tenant-level data isolation and audit trails.

Transactions

10M+/day

Tenants

340

Uptime

99.98%

TECH STACK

GoReactPostgreSQLRabbitMQTerraform
Clinical Decision Support SystemInference orchestration driving clinical decisions at point-of-careCLINICAL WORKFLOWPhysicianNurseDeviceROUNDTABLEML INFERENCE AI ENGINEFilters low-confidence alerts to avoid alert fatigueAlert sent to physician manuallyFeedbackLoopProvider initiates real-time inferencePATIENT CHARTEHR retrieves relevant patientdata from live sessionData validated & PII-strippedFEATURE VALIDATIONSchema conformance checkPREPROCESSINGObservation values normalizedDataQuality?FAILRESOURCE FAILUREEHR sends alert to ops teamGraceful degradationactivatedPASSANALYSIS CHAINModel inference executionEVALUATEEnsemble prediction consolidatedCLINICIAN OVERRIDETrue/false feedback loggedfor model retrainingDownstream retraining feedback loopSend toEHRSendAlertML INFRASTRUCTUREPrediction ServiceModel ADiagnosisModel BRisk ScoreModel CTreatmentREST APIFeature Store + Inference PipelineFEATURECACHERedisMODELREGISTRYMLflowBATCHSCORERAirflowgRPC streamingHIPAA-Compliant Data LayerPATIENTDATA STOREPostgreSQLAUDITLOGImmutableMODELARTIFACTSS3 / MinIOContainerizedDockerOrchestrationExplainability ModuleSHAP values returned with each predictionAudit trail captures full inference context for clinical reviewInference RequestPrediction ResponseLEGENDProcessing StepDecision PointData StoreAlert/FailureTECH STACKPythonPyTorchFastAPIPostgreSQLDocker
HealthcareHIPAAML/AI

Clinical Decision Support Engine

The Hard Part:

Integrating ML models into clinical workflows with explainable AI requirements and strict HIPAA audit logging.

Predictions/Day

12K

Accuracy

94.7%

Response Time

180ms

TECH STACK

PythonPyTorchFastAPIPostgreSQLDocker
LINK UPSATCOMTactical OperationsData UplinkData ProcessingStore-and-ForwardCompression: LZ4BGAN/IridiumUplinkTACTICAL OPERATIONS LAYERIntermittent Connectivity ZoneNODENODEEDGEGATEWAYK3s MasterNODENODETactical Operations Layer(Disconnected Ops)Edge ProcessingLocal inference72hr offline capabilityMQTT mesh syncMQTT Mesh NetworkINTERMEDIATE PROCESSING LEVELMESSAGEBROKERMosquittoSYNCENGINECRDTsPRIORITYQUEUEBandwidth MgmtSync & BufferingConflict ResolutionCRDT-based mergeVector clock orderingCOMMAND & CONTROL BACKBONEOPS DATASTORECONFIGREGISTRYAUDITLOGC2 BackboneFACILITY INFRASTRUCTUREPOWERMGMTCOOLINGSYSTEMUPSBACKUPBase FacilityRadio/WireFilterNormXformRouteTECH STACK:RustK3sSQLiteMQTTAnsible
DefenseCMMCEdge Computing

Tactical Edge Computing System

The Hard Part:

Processing intelligence data at the tactical edge with intermittent connectivity and hardware constraints.

Edge Nodes

87

Sync Latency

210ms

Offline Cap.

72hrs

TECH STACK

RustK3sSQLiteMQTTAnsible