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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 Reverse ETL. A Buyer's Guide to Reverse ETL helps CDO/ VP Data leaders connect activation… 01 Ad hoc 02 Managed 03 Defined 04 Optimized BUYER REVERSE
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A Buyer's Guide to Reverse ETL

A Buyer's Guide to Reverse ETL helps CDO / VP Data leaders connect activation models, identity mapping, sync semantics, conflict policy, and monitoring and rollback to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Backfill strategyUnder Audit. Backfill strategy Under Audit helps dataleaders connect scope, snapshots… ASSESS ADOPT OPTIMIZE GOVERN
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Backfill strategy Under Audit

Backfill strategy Under Audit helps data leaders connect scope, snapshots, idempotency, reconciliation, and lineage to defensible historical repair at scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toLakehouse tableformats. A Buyer's Guide to Lakehouse tableformats helps CDO / VP Data leaders… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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A Buyer's Guide to Lakehouse table formats

A Buyer's Guide to Lakehouse table formats helps CDO / VP Data leaders connect transaction model, schema evolution, partition and file management, engine interoperability, and governance and recovery to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Embedding lifecyclemanagement UnderAudit. Embedding lifecycle management UnderAudit helps CTO / Head of AI leaders… PLAN BUILD MEASURE IMPROVE EMBEDDING
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Embedding lifecycle management Under Audit

Embedding lifecycle management 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 A Buyer's Guide toEmbedding lifecyclemanagement. A Buyer's Guide to Embedding lifecyclemanagement helps CTO / Head of AI… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to Embedding lifecycle management

A Buyer's Guide to Embedding lifecycle management helps CTO / Head of AI leaders connect embedding model version, corpus segmentation, index versioning, re-embedding workflow, and migration validation to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Lakehouse tableformats UnderAudit. Lakehouse table formats Under Audithelps CDO / VP Data leaders test… LAKEHOUSETABLE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Lakehouse table formats Under Audit

Lakehouse table formats 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 toConsent andpreference data. A Buyer's Guide to Consent andpreference data helps CDO / VP Data… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Consent and preference data

A Buyer's Guide to Consent and preference data helps CDO / VP Data leaders connect consent model, identity linkage, effective-time history, distribution controls, and audit evidence 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 toStreaming versusbatch pipelines. A Buyer's Guide to Streaming versusbatch pipelines helps CDO / VP Data… A BUYER'S/ BATCHPIPELINES A Buyer's Best fit for your caseSimpler to operateLower switching cost batch pipelines Added complexityHeavier toolingSteeper learning curve
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A Buyer's Guide to Streaming versus batch pipelines

A Buyer's Guide to Streaming versus batch pipelines helps CDO / VP Data leaders connect decision latency, event ordering, state management, recovery model, and cost profile to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Data lineageUnder Audit. Data lineage Under Audit helps dataleaders connect fields, versions… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Data lineage Under Audit

Data lineage Under Audit helps data leaders connect fields, versions, transforms, owners, and replay to defensible data provenance in production systems. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toAPI gateways formachine clients. A Buyer's Guide to API gateways formachine clients helps VP Engineering /… PEOPLE PROCESS PLATFORM PRACTICE BUYER API
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A Buyer's Guide to API gateways for machine clients

A Buyer's Guide to API gateways for machine clients helps VP Engineering / Head of Infrastructure leaders connect machine identity, policy enforcement, rate and budget controls, request observability, and fallback and revocation 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 Schemaevolution. A Buyer's Guide to Schema evolutionhelps CDO / VP Data leaders connect… 01 Pilot 02 Team 03 Org 04 Scale BUYER SCHEMA
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A Buyer's Guide to Schema evolution

A Buyer's Guide to Schema evolution helps CDO / VP Data leaders connect compatibility model, versioning, consumer discovery, deprecation policy, and migration evidence 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 toPoint-in-timecorrectness. A Buyer's Guide to Point-in-timecorrectness helps CTO / Head of AI… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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A Buyer's Guide to Point-in-time correctness

A Buyer's Guide to Point-in-time correctness helps CTO / Head of AI leaders connect decision timestamp, source event time, availability time, historical joins, and validation and leakage tests to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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