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Field notes from production AI.

Long-form essays from the engineers shipping AI inside payers, hospitals, energy operators and proptech platforms. Written for technology leaders who care more about what runs in production than what trended last week.

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Field notes, sorted by recency.

1314 essays
TECHNOLOGY The Federated DataStack: When to Meshand When to Hub. Data mesh and data hub are presented ascompeting philosophies. They are… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 26, 2026

The Federated Data Stack: When to Mesh and When to Hub

Data mesh and data hub are presented as competing philosophies. They are actually different answers to specific organizational questions. Here is the decision reference for which one your…

7 min read
TECHNOLOGY Data Sharding andPartitioning Strategiesfor Petabyte-ScalePlatforms. Most data platforms hit a wall somewherebetween hundreds of terabytes and a few… DATASHARDING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 26, 2026

Data Sharding and Partitioning Strategies for Petabyte-Scale Platforms

Most data platforms hit a wall somewhere between hundreds of terabytes and a few petabytes. The wall is usually a partitioning decision made earlier. Here are the strategies that survive past the…

7 min read
TECHNOLOGY Database PerformanceEngineering forCloud-NativeApplications. Most slow cloud-native applications havedatabase problems that look like… DATABASEPERFORMANCE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 26, 2026

Database Performance Engineering for Cloud-Native Applications

Most slow cloud-native applications have database problems that look like application problems. Three diagnostic categories cover most issues and three patterns address them. Here is the…

8 min read
TECHNOLOGY Chaos Engineering inPractice: Patterns forEnterprise Adoption. Chaos engineering programs that getannounced often do not survive. The… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 26, 2026

Chaos Engineering in Practice: Patterns for Enterprise Adoption

Chaos engineering programs that get announced often do not survive. The programs that survive share recognizable patterns. Here is the practitioner reference for adoption that produces operational…

7 min read
TECHNOLOGY AWS Graviton Migration:Patterns, Pitfalls, andReal Savings. Graviton migration saves 20-40% oncompute when done well. Three workload… AWSGRAVITON DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 26, 2026

AWS Graviton Migration: Patterns, Pitfalls, and Real Savings

Graviton migration saves 20-40% on compute when done well. Three workload categories migrate cleanly, three categories require care, and three patterns avoid the common pitfalls. Here is the…

8 min read
TECHNOLOGY AWS Lambda for AIInference: ArchitecturePatterns and Limits. Lambda fits some AI inference workloadswell and others poorly. The boundary is… 01 Pilot 02 Team 03 Org 04 Scale AWS LAMBDA
Insights · May 26, 2026

AWS Lambda for AI Inference: Architecture Patterns and Limits

Lambda fits some AI inference workloads well and others poorly. The boundary is not always obvious. Three workload patterns fit Lambda, three patterns do not. Here is the practitioner reference.

7 min read
TECHNOLOGY AWS Lake Formation:Governance Patterns atEnterprise Scale. Lake Formation has evolved into acredible governance layer for AWS data… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · May 26, 2026

AWS Lake Formation: Governance Patterns at Enterprise Scale

Lake Formation has evolved into a credible governance layer for AWS data lakes. Three governance capabilities matter most at enterprise scale and three deployment patterns produce reliable…

8 min read
TECHNOLOGY AWS App Runner vs Lambdavs Fargate: The ModernApp Decision Map. Modern app deployment on AWS has threemain options that fit different workload… ARCHITECTURE SECURITY RELIABILITY COST AWS APP
Insights · May 26, 2026

AWS App Runner vs Lambda vs Fargate: The Modern App Decision Map

Modern app deployment on AWS has three main options that fit different workload patterns. The decision is workload-driven rather than ideology-driven. Here is the decision map for picking right.

7 min read
TECHNOLOGY Generative AI for PriorAuthorization: Workflowand Compliance Patterns. Prior authorization is one ofhealthcare's most-painful administrative… MODEL DEPLOY MONITOR ITERATE GENERATIVE
Insights · May 26, 2026

Generative AI for Prior Authorization: Workflow and Compliance Patterns

Prior authorization is one of healthcare's most-painful administrative workflows. GenAI applications have shown specific patterns that produce results and others that produce regulatory exposure.…

7 min read
TECHNOLOGY Clinical Trial DataEngineering: Real-WorldEvidence at Scale. Real-world evidence has moved from aregulatory novelty to a primary mode of… CLINICALTRIAL DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 26, 2026

Clinical Trial Data Engineering: Real-World Evidence at Scale

Real-world evidence has moved from a regulatory novelty to a primary mode of clinical evidence generation. The data engineering reality is harder than the regulatory framework. Here is the…

8 min read
TECHNOLOGY EU AI Act Compliance forHealthcare Software: APractitioner Guide. EU AI Act enforcement begins August 2026with specific obligations for healthcare… EU AI DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 26, 2026

EU AI Act Compliance for Healthcare Software: A Practitioner Guide

EU AI Act enforcement begins August 2026 with specific obligations for healthcare AI systems. Five compliance areas matter most. Here is the practitioner guide for organizations that have not yet…

8 min read
TECHNOLOGY AI Scribes inProduction: OperationalRealities of AmbientDocumentation. AI scribes have moved from pilot toproduction at scale. The operational… PLAN BUILD MEASURE IMPROVE AI
Insights · May 26, 2026

AI Scribes in Production: Operational Realities of Ambient Documentation

AI scribes have moved from pilot to production at scale. The operational realities differ from the marketing in specific ways. Eighteen months of production experience reveals five patterns that…

8 min read
TECHNOLOGY Multi-Region HealthcareCloud: Data Residencyand Failover Patterns. Healthcare cloud architectures spanningregions face data residency, latency… ARCHITECTURE SECURITY RELIABILITY COST MULTIREGION
Insights · May 26, 2026

Multi-Region Healthcare Cloud: Data Residency and Failover Patterns

Healthcare cloud architectures spanning regions face data residency, latency, and failover questions that single-region architectures do not. Four patterns handle the realistic complexity. Here is…

7 min read
TECHNOLOGY AWS HealthLake inProduction: FHIRWorkloads at EnterpriseScale. AWS HealthLake handles FHIR workloads atenterprise scale with specific… AWSHEALTHLAKE DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 26, 2026

AWS HealthLake in Production: FHIR Workloads at Enterprise Scale

AWS HealthLake handles FHIR workloads at enterprise scale with specific operational characteristics. Three workload patterns fit, three do not, and three production realities affect deployment…

7 min read
TECHNOLOGY Patient Safety SignalDetection: PipelinePatterns forPharmacovigilance. Pharmacovigilance signal detection hasmoved from periodic batch review to… DESIGN SHIP OBSERVE REFINE PATIENT
Insights · May 26, 2026

Patient Safety Signal Detection: Pipeline Patterns for Pharmacovigilance

Pharmacovigilance signal detection has moved from periodic batch review to continuous pipeline analysis. The pipeline patterns that produce reliable signals share recognizable structure. Here is…

8 min read
TECHNOLOGY Risk StratificationModels in Production:Calibration and Drift. Risk stratification models can beaccurate in development and clinically… RISKSTRATIFICATION DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 26, 2026

Risk Stratification Models in Production: Calibration and Drift

Risk stratification models can be accurate in development and clinically wrong in production. The gap usually traces to calibration and drift issues. Here are the patterns that catch the issues…

7 min read
TECHNOLOGY HealthcareInteroperability BeyondFHIR: HL7v2, X12, andthe Real Mix. FHIR gets the attention. The reality ishealthcare data still flows through… STRATEGY DELIVERY GOVERNANCE SCALE HEALTHCAREINTEROPERABILITY
Insights · May 25, 2026

Healthcare Interoperability Beyond FHIR: HL7v2, X12, and the Real Mix

FHIR gets the attention. The reality is healthcare data still flows through HL7v2, X12, custom formats, and PDFs. Engineering teams that handle the real mix produce more reliable platforms than…

7 min read
TECHNOLOGY Population Health AI:From Cohort Definitionto Intervention Delivery. Population health AI work that producesresults follows a recognizable path from… 01 Pilot 02 Team 03 Org 04 Scale POPULATION HEALTH
Insights · May 25, 2026

Population Health AI: From Cohort Definition to Intervention Delivery

Population health AI work that produces results follows a recognizable path from cohort definition through intervention delivery. The patterns that work share four characteristics. Here is the…

7 min read
TECHNOLOGY Commercial Real EstateAI: Asset Management andInvestment Analytics. Commercial real estate AI has emerged asdistinct from residential AI through… 01 Assess 02 Design 03 Ship 04 Operate
Insights · May 25, 2026

Commercial Real Estate AI: Asset Management and Investment Analytics

Commercial real estate AI has emerged as distinct from residential AI through 2024 and 2025. Four use case categories cover most production deployments. Here is the practitioner reference for…

8 min read
TECHNOLOGY Predictive Maintenancefor CommercialProperties: AI inBuilding Operations. Predictive maintenance in commercialbuildings has moved from pilots to… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 25, 2026

Predictive Maintenance for Commercial Properties: AI in Building Operations

Predictive maintenance in commercial buildings has moved from pilots to production deployments. Three sensor patterns, three model patterns, and three operational patterns produce reliable…

8 min read
TECHNOLOGY Data Engineering forReal Estate Platforms:MLS + IoT + Transactions. Real estate platforms integrate threeprimary data sources with very different… 01 Ad hoc 02 Managed 03 Defined 04 Optimized DATA ENGINEERING
Insights · May 20, 2026

Data Engineering for Real Estate Platforms: MLS + IoT + Transactions

Real estate platforms integrate three primary data sources with very different update patterns and data shapes. The unification work has specific patterns that most platform teams underestimate.…

8 min read
TECHNOLOGY AWS Architecture for AIWorkloads: A Referencefor Enterprise Teams. AI workloads on AWS have settled into arecognizable five-layer reference. Most… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 19, 2026

AWS Architecture for AI Workloads: A Reference for Enterprise Teams

AI workloads on AWS have settled into a recognizable five-layer reference. Most enterprise teams get one or two layers wrong on first deployment. Here is the reference and the specific mistakes…

7 min read
TECHNOLOGY AWS Migration: ThePragmatic Playbook forMid-Market to Enterprise. Mid-market and enterprise AWS migrationssucceed when scoped as three waves… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 19, 2026

AWS Migration: The Pragmatic Playbook for Mid-Market to Enterprise

Mid-market and enterprise AWS migrations succeed when scoped as three waves rather than as one big-bang program. Each wave has different goals and different success criteria. Here is the playbook…

7 min read
TECHNOLOGY AWS Observability Stack:CloudWatch, X-Ray,OpenSearch and Beyond. AWS native observability tools eachcover a portion of what production… AWSOBSERVABILITY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 19, 2026

AWS Observability Stack: CloudWatch, X-Ray, OpenSearch and Beyond

AWS native observability tools each cover a portion of what production systems need. Three gaps remain where third-party or custom tooling is required. Here is the reference with the gaps explicit.

6 min read
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