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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
INSIGHTS Cloud Waste forTechnology & SaaS. Cloud Waste helps SaaS engineering teamsconnect idle resource detection… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

Cloud Waste for Technology & SaaS

Cloud Waste helps SaaS engineering teams connect idle resource detection, attribution, lifecycle defaults, deletion authority, and team accountability to the third of the bill that does nothing. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

13 min read↗
TECHNOLOGY Terraform Modulesfor Energy. In energy, a Terraform module is whereyour controls actually live. Narrow the… 01 Pilot 02 Team 03 Org 04 Scale TERRAFORM MODULES
Insights ·

Terraform Modules for Energy

In energy, a Terraform module is where your controls actually live. Narrow the interface, put compliance in the defaults, and version it so evidence stays consistent.

15 min read↗
APPLIED AI A Buyer'S Guide toAI FeatureDiscoverability. A Buyer's Guide to AI featurediscoverability helps product and… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

A Buyer'S Guide to AI Feature Discoverability

A Buyer's Guide to AI feature discoverability helps product and engineering leaders connect capability affordances, entry points, expectation setting, failure visibility, and progressive disclosure to features users can find and learn. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
DATA ENGINEERING What SchemaEvolutionActually Costs. Schema evolution carries engineering,control, operating, change, recovery… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

What Schema Evolution Actually Costs

Schema evolution 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.

16 min read↗
APPLIED AI What SemanticCaching ActuallyCosts. What Semantic caching Actually Costshelps leaders see the engineering… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

What Semantic Caching Actually Costs

What Semantic caching Actually Costs helps leaders see the engineering, control, change, and risk costs behind the first implementation at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
TECHNOLOGY Data Quality SLAsfor Healthcare. Data Quality SLAs help healthcare teamsconnect freshness, completeness… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 DATA QUALITY
Insights ·

Data Quality SLAs for Healthcare

Data Quality SLAs help healthcare teams connect freshness, completeness, accuracy, ownership, breach response, and clinical consumer expectations to the decisions the data actually supports. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

14 min read↗
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%
Insights ·

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.

16 min read↗
CLOUD & DEVOPS What FinOps for AIWorkloads ActuallyCosts. What FinOps for AI workloads ActuallyCosts explains the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What FinOps for AI Workloads Actually Costs

What FinOps for AI workloads Actually Costs explains the engineering, control, change, and risk costs behind the first implementation across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
APPLIED AI WhatRetrieval-AugmentedGeneration ActuallyCosts. What Retrieval-augmented generationActually Costs explains the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Retrieval-Augmented Generation Actually Costs

What Retrieval-augmented generation Actually Costs explains the engineering, control, change, and risk costs behind the first implementation in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
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
Insights ·

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.

15 min read↗
APPLIED AI A Buyer'S Guide toAgent RefusalBehaviour. A Buyer's Guide to Agent refusalbehaviour helps engineering leaders… BUYERAGENT DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

A Buyer'S Guide to Agent Refusal Behaviour

A Buyer's Guide to Agent refusal behaviour helps engineering leaders connect over-refusal cost, refusal quality, measurement in both directions, alternative offering, and domain tuning to refusals that do not block legitimate work. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

11 min read↗
TECHNOLOGY Why AI Projects Fail:Patterns From the 40%That Get Cancelled. Why AI Projects Fail helps enterpriseleaders connect data readiness, unclear… 01 Scope 02 Build 03 Launch 04 Iterate
Insights ·

Why AI Projects Fail: Patterns From the 40% That Get Cancelled

Why AI Projects Fail helps enterprise leaders connect data readiness, unclear ownership, verification burden, absent baselines, and sponsor turnover to the cancellation patterns that repeat across programmes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

12 min read↗
DATA ENGINEERING What Vector DatabaseSelection ActuallyCosts. The cost of vector database selectionincludes engineering, controls… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Vector Database Selection Actually Costs

The cost of vector database selection 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↗
APPLIED AI Reranking ModelsUnder Audit. Reranking models Under Audit helps AIleaders connect candidate set, reranker… DISCOVERY DESIGN DELIVERY SCALE
Insights ·

Reranking Models Under Audit

Reranking models Under Audit helps AI leaders connect candidate set, reranker model, cutoff policy, evaluation, and ranking to defensible evidence ranking. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
DATA ENGINEERING What Data LineageActually Costs. Costs for data lineage extend beyondtools into engineering, controls… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Data Lineage Actually Costs

Costs for data lineage extend beyond tools into 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.

16 min read↗
PLATFORM ENGINEERING Self-HealingInfrastructureUnder Audit. Self-healing infrastructure Under Audithelps VP Engineering / Head of… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 SELF HEALING
Insights ·

Self-Healing Infrastructure Under Audit

Self-healing infrastructure 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↗
APPLIED AI Long-RunningAgent WorkflowsUnder Audit. Long-running agent workflows Under Audithelps AI leaders connect durable… MODEL DEPLOY MONITOR ITERATE LONG
Insights ·

Long-Running Agent Workflows Under Audit

Long-running agent workflows Under Audit helps AI leaders connect durable, version, event, resume control, and workflow to controlled long-duration execution. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
APPLIED AI Conversation StateManagement UnderAudit. Conversation state management UnderAudit helps AI leaders connect state… MODEL DEPLOY MONITOR ITERATE CONVERSAT…
Insights ·

Conversation State Management Under Audit

Conversation state management Under Audit helps AI leaders connect state, scope, update, expiry and deletion, and state to reliable conversational state. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
TECHNOLOGY Delta Lake vsIceberg forEnergy. For long-lived energy estates, choosethe format on engine independence and… DELTA LAKE/ ICEBERG Delta Lake Best fit for your caseSimpler to operateLower switching cost Iceberg Added complexityHeavier toolingSteeper learning curve
Insights ·

Delta Lake vs Iceberg for Energy

For long-lived energy estates, choose the format on engine independence and exit cost. Your data will outlast the vendor relationship you are about to enter.

14 min read↗
TECHNOLOGY Cloud Waste forTechnology & SaaS. Cloud Waste helps SaaS engineering teamsconnect idle resource detection… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

Cloud Waste for Technology & SaaS

Cloud Waste helps SaaS engineering teams connect idle resource detection, attribution, lifecycle defaults, deletion authority, and team accountability to the third of the bill that does nothing. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

13 min read↗
CLOUD & DEVOPS Edge InferenceUnder Audit. Edge inference Under Audit helpsengineering leaders connect devices… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights ·

Edge Inference Under Audit

Edge inference Under Audit helps engineering leaders connect devices, egress, updates, fallback, and evidence to defensible local inference in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
DATA ENGINEERING What Change DataCapture ActuallyCosts. What Change data capture Actually Costsshows leaders the engineering, control… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Change Data Capture Actually Costs

What Change data capture Actually Costs shows leaders 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↗
QUALITY ENGINEERING Chaos Testing AIDependencies UnderAudit. Chaos testing AI dependencies UnderAudit helps teams connect evidence… 01 Assess 02 Design 03 Ship 04 Operate
Insights ·

Chaos Testing AI Dependencies Under Audit

Chaos testing AI dependencies 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↗
PRODUCT ENGINEERING Build Versus BuyDecisions UnderAudit. Build versus buy decisions Under Audithelps CTO / VP Engineering leaders test… BUILD /BUYDECISIONS Build Best fit for your caseSimpler to operateLower switching cost Buy Decisions Added complexityHeavier toolingSteeper learning curve
Insights ·

Build Versus Buy Decisions Under Audit

Build versus buy decisions Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
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