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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.

1939 essays
AI GOVERNANCE Third-Party ModelRisk Under Audit. A Buyer's Guide to Third-party modelrisk Under Audit helps Chief Risk… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

Third-Party Model Risk Under Audit

A Buyer's Guide to Third-party model risk Under Audit helps Chief Risk Officer / CTO evaluate vendor due diligence, model change control, data handling, service resilience, exit planning. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

15 min read↗
APPLIED AI FinOps for AIWorkloads UnderAudit. FinOps for AI workloads Under Audithelps platform leaders connect usage… 01 Ad hoc 02 Managed 03 Defined 04 Optimized FINOPS AI
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FinOps for AI Workloads Under Audit

FinOps for AI workloads Under Audit helps platform leaders connect usage, units, budgets, routing, and evidence to defensible AI economics in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
TECHNOLOGY Streaming vsBatch for Retail. Inventory availability needs seconds.Merchandising analysis needs a nightly… STREAMING/ BATCH Streaming Best fit for your caseSimpler to operateLower switching cost Batch Added complexityHeavier toolingSteeper learning curve
Insights ·

Streaming vs Batch for Retail

Inventory availability needs seconds. Merchandising analysis needs a nightly run. Choose by decision deadline, and remember that streaming complexity has to survive peak.

14 min read↗
DATA ENGINEERING What EntityResolutionActually Costs. Entity resolution carries engineering,control, operating, change, recovery… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Entity Resolution Actually Costs

Entity resolution carries engineering, control, operating, change, recovery, and exit costs that enterprise teams must model before scaling in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI Small LanguageModels in ProductionUnder Audit. Small language models in productionUnder Audit helps AI leaders connect… STRATEGY DELIVERY GOVERNANCE SCALE SMALLLANGUAGE
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Small Language Models in Production Under Audit

Small language models in production Under Audit helps AI leaders connect tasks, routing, fallback, serving, and evidence to defensible model assignment. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
DATA ENGINEERING What StreamingVersus BatchPipelines ActuallyCosts. Streaming versus batch pipelines carriesengineering, control, operating, change… WHATSTREAMING/ BATCH… What Streaming Best fit for your caseSimpler to operateLower switching cost Batch Pipelines Added complexityHeavier toolingSteeper learning curve
Insights ·

What Streaming Versus Batch Pipelines Actually Costs

Streaming versus batch pipelines carries engineering, control, operating, change, recovery, and exit costs that enterprise teams must model before scaling. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
TECHNOLOGY AI IncidentManagement forFinTech. AI Incident Management helps fintechengineering teams connect detection… AIINCIDENT DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
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AI Incident Management for FinTech

AI Incident Management helps fintech engineering teams connect detection, regulatory notification timing, timeline evidence, customer impact assessment, and learning quality to incidents that carry reporting obligations. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

13 min read↗
TECHNOLOGY Reverse ETL forHospitality. Reverse ETL puts guest insight into thesystems staff use at the desk. The risk… 01 Pilot 02 Team 03 Org 04 Scale REVERSE ETL
Insights ·

Reverse ETL for Hospitality

Reverse ETL puts guest insight into the systems staff use at the desk. The risk is that stale or wrong data reaches a person standing in front of a guest.

14 min read↗
PRODUCT ENGINEERING RoadmapSequencing for AIUnder Audit. Roadmap sequencing for AI Under Audithelps CTO / VP Product leaders test… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Roadmap Sequencing for AI Under Audit

Roadmap sequencing for AI Under Audit helps CTO / VP Product leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING Contract Testing forModel APIs UnderAudit. Contract testing for model APIs UnderAudit helps teams connect evidence… CONTRACTTESTING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

Contract Testing for Model APIs Under Audit

Contract testing for model APIs Under Audit helps teams connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
QUALITY ENGINEERING A Buyer'S Guideto GoldenDatasets. A Buyer's Guide to Golden datasets helpsCTO / Head of AI leaders connect… DISCOVERY DESIGN DELIVERY SCALE
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A Buyer'S Guide to Golden Datasets

A Buyer's Guide to Golden datasets helps CTO / Head of AI leaders connect use-case coverage, failure classes, label quality, versioning, and refresh policy to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
APPLIED AI What Hybrid Searchfor RetrievalActually Costs. What Hybrid search for retrievalActually Costs shows the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Hybrid Search for Retrieval Actually Costs

What Hybrid search for retrieval Actually Costs shows the engineering, control, change, and risk costs hidden beyond the headline price at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PLATFORM ENGINEERING A Buyer'S Guide toRate Limiting AgentTraffic. A Buyer's Guide to Rate limiting agenttraffic helps VP Engineering / Head of… DISCOVERY DESIGN DELIVERY SCALE
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A Buyer'S Guide to Rate Limiting Agent Traffic

A Buyer's Guide to Rate limiting agent traffic helps VP Engineering / Head of Infrastructure leaders connect identity and scope, action budgets, burst policy, retry awareness, and escalation and kill switches to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
CLOUD & DEVOPS A Buyer'S Guide toDisaster Recoveryfor Model Services. A Buyer's Guide to Disaster recovery formodel services helps VP Engineering /… PEOPLE PROCESS PLATFORM PRACTICE BUYERDISASTER
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A Buyer'S Guide to Disaster Recovery for Model Services

A Buyer's Guide to Disaster recovery for model services helps VP Engineering / Head of Infrastructure leaders connect recovery objectives, model and artefact replication, dependency recovery, traffic failover, and validation and failback to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PLATFORM ENGINEERING InferenceAutoscaling UnderAudit. Inference autoscaling Under Audit helpsVP Engineering / Head of Infrastructure… ARCHITECTURE SECURITY RELIABILITY COST INFERENCEAUTOSCALING
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Inference Autoscaling Under Audit

Inference autoscaling Under Audit helps VP Engineering / Head of Infrastructure leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
TECHNOLOGY Text-to-SQL ThatWorks for Retail. Text-to-SQL helps retail teams connectsemantic grounding, agreed metric… PLAN BUILD MEASURE IMPROVE TEXT
Insights ·

Text-to-SQL That Works for Retail

Text-to-SQL helps retail teams connect semantic grounding, agreed metric definitions, time period handling, guardrails, and query cost to the merchandising questions people ask hourly. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

12 min read↗
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.

16 min read↗
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
Insights ·

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.

17 min read↗
APPLIED AI A Buyer'S Guide toSmall LanguageModels in Production. A Buyer's Guide to Small language modelsin production helps CTO leaders connect… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER SMALL
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A Buyer'S Guide to Small Language Models in Production

A Buyer's Guide to Small language models in production helps CTO leaders connect task fit, routing, latency, hosting, and evaluation to production economics. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

15 min read↗
PLATFORM ENGINEERING Secrets Managementfor Agents UnderAudit. Secrets management for agents UnderAudit helps CISO / VP Security leaders… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
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Secrets Management for Agents Under Audit

Secrets management for agents Under Audit helps CISO / VP Security leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guide toModel Routing andFallback. A Buyer's Guide to Model routing andfallback helps engineering leaders… 01 Pilot 02 Team 03 Org 04 Scale BUYER MODEL
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A Buyer'S Guide to Model Routing and Fallback

A Buyer's Guide to Model routing and fallback helps engineering leaders connect behavioural difference on failover, prompt portability, quality tiers, silent degradation, and failing closed to fallback that does not quietly change your answers. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
DATA ENGINEERING What Lakehouse TableFormats ActuallyCosts. The cost of lakehouse table formatsincludes engineering, controls… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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What Lakehouse Table Formats Actually Costs

The cost of lakehouse table formats includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
CLOUD & DEVOPS What DisasterRecovery for ModelServices ActuallyCosts. What Disaster recovery for modelservices Actually Costs helps leaders… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Disaster Recovery for Model Services Actually Costs

What Disaster recovery for model services Actually Costs helps leaders see the engineering, control, change, and risk costs behind the first implementation. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI A Buyer'S Guideto Agent ToolCalling. A Buyer's Guide to Agent tool callinghelps engineering leaders connect… 01 Discover 02 Prototype 03 Harden 04 Roll out
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A Buyer'S Guide to Agent Tool Calling

A Buyer's Guide to Agent tool calling helps engineering leaders connect parameter correctness, tool selection errors, schema design, validation, and failure feedback to reliability measured on outcomes rather than call rates. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
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