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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.

1714 essays
APPLIED AI A Buyer's Guideto Agent memorydesign. A Buyer's Guide to Agent memory designhelps engineering leaders connect expiry… STRATEGY DELIVERY GOVERNANCE SCALE BUYER AGENT
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A Buyer's Guide to Agent memory design

A Buyer's Guide to Agent memory design helps engineering leaders connect expiry rules, staleness, correction, scope boundaries, and privacy obligations to memory defined by what it forgets. 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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TECHNOLOGY Data Monetizationfor Fintech. Selling financial data means becoming aregulated data supplier. Permissible… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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Data Monetization for Fintech

Selling financial data means becoming a regulated data supplier. Permissible purpose decides what you can sell, and the compliance obligations are the real cost.

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PRODUCT ENGINEERING A Buyer's Guide toLegacy systemintegration. A Buyer's Guide to Legacy systemintegration helps CTO / Head of AI… BUYERLEGACY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to Legacy system integration

A Buyer's Guide to Legacy system integration helps CTO / Head of AI leaders connect system boundaries, business rules, interface strategy, data reconciliation, and cutover and fallback to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Text-to-SQL ThatWorks for RealEstate. Text-to-SQL helps real estate teamsconnect semantic grounding, curated… ARCHITECTURE SECURITY RELIABILITY COST TEXT SQL
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Text-to-SQL That Works for Real Estate

Text-to-SQL helps real estate teams connect semantic grounding, curated schemas, guardrails, verification, and question scope to the property questions people actually ask. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE A Buyer's Guideto AI incidentresponse. A Buyer's Guide to AI incident responsehelps enterprise leaders connect… 01 Pilot 02 Team 03 Org 04 Scale BUYER AI
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A Buyer's Guide to AI incident response

A Buyer's Guide to AI incident response helps enterprise leaders connect affected-output identification, detection independent of health, remediation reach, notification paths, and vendor dependency to tooling that handles a wrong model rather than a down one. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING A Buyer's Guideto Discoverysprints. A Buyer's Guide to Discovery sprintshelps CTO / Head of AI leaders connect… ARCHITECTURE SECURITY RELIABILITY COST BUYERDISCOVERY
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A Buyer's Guide to Discovery sprints

A Buyer's Guide to Discovery sprints helps CTO / Head of AI leaders connect decision question, technical spike, user evidence, architecture constraints, and go/no-go output to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Cloud Waste forEnergy. Cloud Waste helps energy engineeringteams connect idle resource detection… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Cloud Waste for Energy

Cloud Waste helps energy engineering teams connect idle resource detection, long-lived project residue, retention claims, deletion authority, and attribution to spend that survives the projects that created it. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING A Buyer's Guide toTest automation forAI-written code. A Buyer's Guide to Test automation forAI-written code helps VP Engineering /… PEOPLE PROCESS PLATFORM PRACTICE BUYER TEST
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A Buyer's Guide to Test automation for AI-written code

A Buyer's Guide to Test automation for AI-written code helps VP Engineering / Head of Infrastructure leaders connect change classification, static and unit checks, integration boundaries, security tests, and review and provenance to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toHybrid search forretrieval. A Buyer's Guide to Hybrid search forretrieval helps engineering leaders… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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A Buyer's Guide to Hybrid search for retrieval

A Buyer's Guide to Hybrid search for retrieval helps engineering leaders connect query-dependent fusion, exact-match needs, weighting, evaluation by query type, and tuning to hybrid that does not average away both strengths. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE A Buyer's Guideto Model riskmanagement. A Buyer's Guide to Model risk managementhelps enterprise leaders connect change… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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A Buyer's Guide to Model risk management

A Buyer's Guide to Model risk management helps enterprise leaders connect change without release, continuous validation, vendor version control, ongoing monitoring, and independent review to MRM that fits models which move on their own. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toLong-running agentworkflows. A Buyer's Guide to Long-running agentworkflows helps engineering leaders… MODEL DEPLOY MONITOR ITERATE BUYER
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A Buyer's Guide to Long-running agent workflows

A Buyer's Guide to Long-running agent workflows helps engineering leaders connect version skew, deployment during runs, external deadlines, human wait states, and abandonment to workflows that outlive the code that started them. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Customer 360 forHospitality. Customer 360 helps hospitality teamsconnect guest identity across… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Customer 360 for Hospitality

Customer 360 helps hospitality teams connect guest identity across properties, stay history, preferences, match confidence, consent, and the front desk moment a profile gets used. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY FinOps Guardrailsfor Energy. Energy workloads carry long-lived dataand heavy compute. Make budgets and… DESIGN SHIP OBSERVE REFINE FINOPS
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FinOps Guardrails for Energy

Energy workloads carry long-lived data and heavy compute. Make budgets and retention platform primitives enforced at provisioning, so cost is a design decision rather than an annual surprise.

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APPLIED AI A Buyer's Guide toCopilot interactiondesign. A Buyer's Guide to Copilot interactiondesign helps product and engineering… PEOPLE PROCESS PLATFORM PRACTICE BUYERCOPILOT
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A Buyer's Guide to Copilot interaction design

A Buyer's Guide to Copilot interaction design helps product and engineering leaders connect rejection cost, suggestion timing, edit affordances, undo, and trust calibration to copilots people keep using. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY API Gateway Strategyin the Agent Era forFintech. Agent traffic breaks rate limits builtfor humans and stresses idempotency on… APIGATEWAY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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API Gateway Strategy in the Agent Era for Fintech

Agent traffic breaks rate limits built for humans and stresses idempotency on payment APIs. Separate north-south, east-west, and agent paths, and make every retry safe.

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TECHNOLOGY Schema Evolutionfor Technology &SaaS. Schema Evolution helps SaaS data teamsconnect additive change, versioning… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 SCHEMA EVOLUTION
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Schema Evolution for Technology & SaaS

Schema Evolution helps SaaS data teams connect additive change, versioning, deprecation windows, consumer registries, contract testing, and rollout sequencing to the downstream systems a change can break. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Service Mesh in2026 for Fintech. Service Mesh helps fintech engineeringteams connect mutual authentication… 01 Scope 02 Build 03 Launch 04 Iterate
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Service Mesh in 2026 for Fintech

Service Mesh helps fintech engineering teams connect mutual authentication, segmentation evidence, policy enforcement, audit trails, and operational burden to controls that need demonstrating rather than asserting. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Terraform Modulesfor Technology &SaaS. A Terraform module is an API your wholeorg consumes. Design the interface for… PLAN BUILD MEASURE IMPROVE TERRAFORM
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Terraform Modules for Technology & SaaS

A Terraform module is an API your whole org consumes. Design the interface for the caller, version it properly, and stop exposing every provider argument as a variable.

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TECHNOLOGY Apache Icebergfor Energy. Iceberg suits energy because time-seriesdata gets corrected for years. Snapshots… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Apache Iceberg for Energy

Iceberg suits energy because time-series data gets corrected for years. Snapshots and schema evolution matter more here than in most estates, and so does compaction.

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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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TECHNOLOGY AI-Assisted SREfor Technology &SaaS. AI-Assisted SRE helps SaaS engineeringteams connect diagnostic automation… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 AI ASSISTED
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AI-Assisted SRE for Technology & SaaS

AI-Assisted SRE helps SaaS engineering teams connect diagnostic automation, context assembly, toil reduction, judgement boundaries, and on-call load to the reliability work that scales badly with team count. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PLATFORM ENGINEERING A Buyer's Guide toSecrets managementfor agents. A Buyer's Guide to Secrets managementfor agents helps CISO / VP Security… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Secrets management for agents

A Buyer's Guide to Secrets management for agents helps CISO / VP Security leaders connect workload identity, secret issuance, scope and policy, rotation and revocation, and audit evidence to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING A Buyer's Guide toHallucinationdetection. A Buyer's Guide to Hallucinationdetection helps CTO / Head of AI leaders… DISCOVERY DESIGN DELIVERY SCALE
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A Buyer's Guide to Hallucination detection

A Buyer's Guide to Hallucination detection helps CTO / Head of AI leaders connect claim segmentation, evidence availability, support checking, risk weighting, and response policy to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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