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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.

1867 essays
TECHNOLOGY OpenTelemetryfor Fintech. OpenTelemetry helps fintech engineeringteams connect instrumentation standards… ASSESS ADOPT OPTIMIZE GOVERN
Insights ·

OpenTelemetry for Fintech

OpenTelemetry helps fintech engineering teams connect instrumentation standards, sensitive attribute filtering, retention, sampling completeness, and audit expectations to telemetry that carries transaction context safely. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PLATFORM ENGINEERING GPU capacityplanning UnderAudit. GPU capacity planning Under Audit helpsVP Engineering / Head of Infrastructure… PEOPLE PROCESS PLATFORM PRACTICE GPUCAPACITY
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GPU capacity planning Under Audit

GPU capacity planning 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.

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TECHNOLOGY Blue-GreenDeployment forHospitality. Blue-Green Deployment helps hospitalityengineering teams connect cutover… MODEL DEPLOY MONITOR ITERATE BLUE
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Blue-Green Deployment for Hospitality

Blue-Green Deployment helps hospitality engineering teams connect cutover timing, property system sessions, booking continuity, rollback windows, and release calendars to deployments that never interrupt a check-in. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toAgent permissionscoping. A Buyer's Guide to Agent permissionscoping helps security leaders connect… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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A Buyer's Guide to Agent permission scoping

A Buyer's Guide to Agent permission scoping helps security leaders connect per-task credentials, delegated user authority, short-lived tokens, standing access, and privilege review to permissions scoped to the job rather than the agent. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI What PromptversioningActually Costs. What Prompt versioning Actually Costsshows leaders the engineering, control… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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What Prompt versioning Actually Costs

What Prompt versioning Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price across production AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI What Agent refusalbehaviour ActuallyCosts. What Agent refusal behaviour ActuallyCosts explains the engineering, control… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Agent refusal behaviour Actually Costs

What Agent refusal behaviour 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.

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PLATFORM ENGINEERING A Buyer's Guide toInternal developerplatforms. A Buyer's Guide to Internal developerplatforms helps VP Engineering / Head of… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER INTERNAL
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A Buyer's Guide to Internal developer platforms

A Buyer's Guide to Internal developer platforms helps VP Engineering / Head of Infrastructure leaders connect platform products, self-service interfaces, golden paths, policy automation, and platform metrics to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY IDP Build vs Buyfor Technology &SaaS. Buying a developer platform does notremove the work, it moves it. The… IDP BUILD/ BUY IDP Build Best fit for your caseSimpler to operateLower switching cost Buy Added complexityHeavier toolingSteeper learning curve
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IDP Build vs Buy for Technology & SaaS

Buying a developer platform does not remove the work, it moves it. The integration, golden paths, and ownership are yours either way. Budget for the part nobody puts on the slide.

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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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TECHNOLOGY RunbookAutomation forFintech. In fintech a runbook step can movemoney. Write the procedure, prove it… RUNBOOKAUTOMATION DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

Runbook Automation for Fintech

In fintech a runbook step can move money. Write the procedure, prove it manually, automate the read-only diagnostics, and keep segregation of duties intact in the automation itself.

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AI GOVERNANCE What Model cards anddocumentationActually Costs. What Model cards and documentationActually Costs explains the engineering… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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What Model cards and documentation Actually Costs

What Model cards and documentation 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.

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PRODUCT ENGINEERING Event-drivenarchitectureUnder Audit. Event-driven architecture Under Audithelps VP Engineering / Head of… EVENTDRIVEN DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Event-driven architecture Under Audit

Event-driven architecture 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.

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APPLIED AI Context windowmanagement UnderAudit. Context window management Under Audithelps AI leaders connect context… ARCHITECTURE SECURITY RELIABILITY COST CONTEXTWINDOW
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Context window management Under Audit

Context window management Under Audit helps AI leaders connect context, priority policy, compression, eviction, and context to traceable context selection. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toRetrieval-augmentedgeneration. A Buyer's Guide to Retrieval-augmentedgeneration helps CTO leaders connect… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

A Buyer's Guide to Retrieval-augmented generation

A Buyer's Guide to Retrieval-augmented generation helps CTO leaders connect retrieval, indexing, reranking, evaluation, and governance to answer quality. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING AI featurescoping UnderAudit. AI feature scoping Under Audit helps CTO/ VP Product leaders test controls… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
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AI feature scoping Under Audit

AI feature scoping 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.

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AI GOVERNANCE A Buyer's Guide toIP provenance for AIcode. A Buyer's Guide to IP provenance for AIcode helps engineering leaders connect… BUYER IP DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to IP provenance for AI code

A Buyer's Guide to IP provenance for AI code helps engineering leaders connect generation attribution, commit-time capture, licence scanning limits, diligence readiness, and vendor indemnity to knowing which code came from where. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE What Promptinjection defenceActually Costs. What Prompt injection defence ActuallyCosts shows leaders the engineering… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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What Prompt injection defence Actually Costs

What Prompt injection defence Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Developer ExperienceMetrics forTechnology & SaaS. Telemetry tells you what happened;surveys tell you what it felt like… 01 Pilot 02 Team 03 Org 04 Scale DEVELOPER EXPERIENCE
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Developer Experience Metrics for Technology & SaaS

Telemetry tells you what happened; surveys tell you what it felt like. Measure both, never rank teams with them, and watch the friction metrics that actually predict retention.

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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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APPLIED AI Agent memorydesign UnderAudit. A Buyer's Guide to Agent memory designUnder Audit helps CTO / CISO evaluate… AGENTMEMORY DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
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Agent memory design Under Audit

A Buyer's Guide to Agent memory design Under Audit helps CTO / CISO evaluate memory scope, provenance, retention, access control, correction workflows. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

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ARTIFICIAL INTELLIGENCE Intelligent DocumentProcessing: BeyondOCR. Intelligent Document Processing helpsenterprise leaders connect extraction… 01 Ad hoc 02 Managed 03 Defined 04 Optimized INTELLIGENT DOCUMENT
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Intelligent Document Processing: Beyond OCR

Intelligent Document Processing helps enterprise leaders connect extraction accuracy, confidence routing, field-level validation, exception design, and downstream tolerance to documents that vary more than any template allows. 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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PLATFORM ENGINEERING A Buyer's Guide toMulti-regiondeployment. A Buyer's Guide to Multi-regiondeployment helps CTO / VP Engineering… DISCOVERY DESIGN DELIVERY SCALE
Insights ·

A Buyer's Guide to Multi-region deployment

A Buyer's Guide to Multi-region deployment helps CTO / VP Engineering evaluate regional resilience, data residency, failover evidence, dependency mapping, recovery controls. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

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