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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.

All essays

Field notes, sorted by recency.

36 essays
DATA ENGINEERING A Buyer's Guideto Backfillstrategy. A Buyer's Guide to Backfill strategyhelps CDO / VP Data leaders connect… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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A Buyer's Guide to Backfill strategy

A Buyer's Guide to Backfill strategy helps CDO / VP Data leaders connect scope definition, source snapshot, compute isolation, publication strategy, and validation and rollback to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Entityresolution. A Buyer's Guide to Entity resolutionhelps CDO / VP Data leaders connect… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER ENTITY
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A Buyer's Guide to Entity resolution

A Buyer's Guide to Entity resolution helps CDO / VP Data leaders connect identity keys, match features, confidence policy, survivorship rules, and human review and reversibility to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Entity resolutionUnder Audit. Entity resolution Under Audit helps CDO/ VP Data leaders test controls… 01 Discover 02 Prototype 03 Harden 04 Roll out
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Entity resolution Under Audit

Entity resolution Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Data meshoperating modelsUnder Audit. Data mesh operating models Under Audithelps data leaders connect domains… PLAN BUILD MEASURE IMPROVE DATA
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Data mesh operating models Under Audit

Data mesh operating models Under Audit helps data leaders connect domains, owners, SLOs, platform, and federation to defensible data ownership in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING PipelineobservabilityUnder Audit. Pipeline observability Under Audit helpsCDO / VP Data leaders test controls… DESIGN SHIP OBSERVE REFINE PIPELINE
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Pipeline observability Under Audit

Pipeline observability Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toMaster datamanagement. A Buyer's Guide to Master datamanagement helps CDO / VP Data leaders… 01 Scope 02 Build 03 Launch 04 Iterate
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A Buyer's Guide to Master data management

A Buyer's Guide to Master data management helps CDO / VP Data leaders connect master entities, source authority, survivorship rules, stewardship workflow, and distribution and change history to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toPipelineobservability. A Buyer's Guide to Pipelineobservability helps CDO / VP Data… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to Pipeline observability

A Buyer's Guide to Pipeline observability helps CDO / VP Data leaders connect freshness and volume, data quality signals, dependency graph, business impact mapping, and incident workflow to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Feature stores. A Buyer's Guide to Feature stores helpsCTO / Head of AI leaders connect feature… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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A Buyer's Guide to Feature stores

A Buyer's Guide to Feature stores helps CTO / Head of AI leaders connect feature definitions, offline computation, online serving, point-in-time retrieval, and ownership and monitoring to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Data contracts. A Buyer's Guide to Data contracts helpsCDO / VP Data leaders connect contract… ARCHITECTURE SECURITY RELIABILITY COST BUYER DATA
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A Buyer's Guide to Data contracts

A Buyer's Guide to Data contracts helps CDO / VP Data leaders connect contract scope, schema and semantics, quality expectations, change policy, and enforcement to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Data qualitySLAs. A Buyer's Guide to Data quality SLAshelps CDO / VP Data leaders connect… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER DATA
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A Buyer's Guide to Data quality SLAs

A Buyer's Guide to Data quality SLAs helps CDO / VP Data leaders connect critical data products, quality dimensions, thresholds and error budgets, ownership and escalation, and evidence and review to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toVector databaseselection. A Buyer's Guide to Vector databaseselection helps CTO / Head of AI leaders… BUYERVECTOR DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to Vector database selection

A Buyer's Guide to Vector database selection helps CTO / Head of AI leaders connect index and distance model, metadata filtering, update semantics, scale and tenancy, and operational controls to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Master datamanagement UnderAudit. Master data management Under Audit helpsCDO / VP Data leaders test controls… 01 Scope 02 Build 03 Launch 04 Iterate
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Master data management Under Audit

Master data management Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Point-in-timecorrectness UnderAudit. Point-in-time correctness Under Audithelps CDO / VP Data leaders test… 01 Scope 02 Build 03 Launch 04 Iterate
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Point-in-time correctness Under Audit

Point-in-time correctness Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Data quality SLAsUnder Audit. Data quality SLAs Under Audit helps dataleaders connect metrics, thresholds… MODEL DEPLOY MONITOR ITERATE DATA
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Data quality SLAs Under Audit

Data quality SLAs Under Audit helps data leaders connect metrics, thresholds, owners, incidents, and evidence to defensible data service levels in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Schema evolutionUnder Audit. Schema evolution Under Audit helps CDO /VP Data leaders test controls, evidence… ARCHITECTURE SECURITY RELIABILITY COST SCHEMAEVOLUTION
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Schema evolution Under Audit

Schema evolution Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Datacatalogues. A Buyer's Guide to Data catalogues helpsCDO / VP Data leaders connect asset… STRATEGY DELIVERY GOVERNANCE SCALE BUYER DATA
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A Buyer's Guide to Data catalogues

A Buyer's Guide to Data catalogues helps CDO / VP Data leaders connect asset discovery, business context, ownership, trust signals, and usage workflow to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toData mesh operatingmodels. A Buyer's Guide to Data mesh operatingmodels helps CDO / VP Data leaders… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Data mesh operating models

A Buyer's Guide to Data mesh operating models helps CDO / VP Data leaders connect domain ownership, data product obligations, platform capabilities, federated governance, and operating metrics to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Data contractsUnder Audit. Data contracts Under Audit helps dataleaders connect schemas, semantics… DISCOVERY DESIGN DELIVERY SCALE
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Data contracts Under Audit

Data contracts Under Audit helps data leaders connect schemas, semantics, owners, changes, and tests to defensible producer contracts in production systems. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Feature storesUnder Audit. Feature stores Under Audit helps CTO /Head of AI leaders test controls… STRATEGY DELIVERY GOVERNANCE SCALE FEATURESTORES
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Feature stores Under Audit

Feature stores Under Audit helps CTO / Head of AI leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Reverse ETLUnder Audit. Reverse ETL Under Audit helps CDO / VPData leaders test controls, evidence… PEOPLE PROCESS PLATFORM PRACTICE REVERSE ETL
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Reverse ETL Under Audit

Reverse ETL Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Change datacapture. A Buyer's Guide to Change data capturehelps CDO / VP Data leaders connect… PEOPLE PROCESS PLATFORM PRACTICE BUYERCHANGE
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A Buyer's Guide to Change data capture

A Buyer's Guide to Change data capture helps CDO / VP Data leaders connect source capture, event semantics, ordering and offsets, schema handling, and recovery and replay to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Streaming versusbatch pipelinesUnder Audit. Streaming versus batch pipelines UnderAudit helps CDO / VP Data leaders test… STREAMING/ BATCHPIPELINES Streaming Best fit for your caseSimpler to operateLower switching cost batch pipelines Added complexityHeavier toolingSteeper learning curve
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Streaming versus batch pipelines Under Audit

Streaming versus batch pipelines Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toCustomer 360architecture. A Buyer's Guide to Customer 360architecture helps CDO / VP Data leaders… 01 Pilot 02 Team 03 Org 04 Scale BUYER CUSTOMER
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A Buyer's Guide to Customer 360 architecture

A Buyer's Guide to Customer 360 architecture helps CDO / VP Data leaders connect identity model, source authority, event model, profile assembly, and activation controls to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Data lineage. A Buyer's Guide to Data lineage helpsCDO / VP Data leaders connect technical… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Data lineage

A Buyer's Guide to Data lineage helps CDO / VP Data leaders connect technical dependency capture, column and field mapping, business context, ownership, and change and incident workflows to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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