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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.

1373 essays
TECHNOLOGY WCAG Compliancefor Healthcare. For healthcare, WCAG accessibility is apatient-access and legal obligation… 01 Pilot 02 Team 03 Org 04 Scale WCAG COMPLIANCE
Insights · Jul 27, 2026

WCAG Compliance for Healthcare

For healthcare, WCAG accessibility is a patient-access and legal obligation, patients who cannot use a portal cannot get care. Treating it as built-in engineering, not a one-time audit, keeps care…

15 min read
TECHNOLOGY WCAG Compliancefor Hospitality. For a hospitality booking site, WCAGaccessibility is legal exposure and lost… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jul 27, 2026

WCAG Compliance for Hospitality

For a hospitality booking site, WCAG accessibility is legal exposure and lost bookings from guests who cannot reserve. Treating it as built-in engineering, not a one-time audit, keeps booking…

14 min read
TECHNOLOGY WCAG Compliancefor Retail. For a retail storefront, WCAGaccessibility is both a legal exposure… WCAGCOMPLIANCE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 27, 2026

WCAG Compliance for Retail

For a retail storefront, WCAG accessibility is both a legal exposure and lost revenue from shoppers who cannot check out. Treating it as built-in engineering, not a one-time audit, keeps the store…

14 min read
TECHNOLOGY FrontendPerformance forHospitality. A slow booking site loses reservations,especially on mobile during a trip… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 FRONTEND PERFORMANCE
Insights · Jul 24, 2026

Frontend Performance for Hospitality

A slow booking site loses reservations, especially on mobile during a trip search. Treating frontend performance as budgets, monitoring, and culture, not one-off fixes, keeps the booking flow fast.

14 min read
TECHNOLOGY FrontendPerformance forRetail. In retail, a slow storefront is lostrevenue, every hundred milliseconds… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · Jul 24, 2026

Frontend Performance for Retail

In retail, a slow storefront is lost revenue, every hundred milliseconds costs conversions. Treating frontend performance as budgets, monitoring, and culture, not one-off fixes, keeps the store fast.

14 min read
TECHNOLOGY Design Systems atScale for Technology& SaaS. As a SaaS product and its teams grow, adesign system keeps the UI consistent… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 24, 2026

Design Systems at Scale for Technology & SaaS

As a SaaS product and its teams grow, a design system keeps the UI consistent and fast to build. Treated as product infrastructure, not a component library, it scales across teams and surfaces.

14 min read
TECHNOLOGY Design Systems atScale forHospitality. Across booking sites, guest apps, andmultiple hotel brands, a design system… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 24, 2026

Design Systems at Scale for Hospitality

Across booking sites, guest apps, and multiple hotel brands, a design system keeps experiences consistent and fast to build. Treated as product infrastructure, not a component library, it scales.

15 min read
TECHNOLOGY Design Systems atScale for Retail. Across many storefronts, brands, andchannels, a design system keeps retail… 01 Assess 02 Design 03 Ship 04 Operate
Insights · Jul 24, 2026

Design Systems at Scale for Retail

Across many storefronts, brands, and channels, a design system keeps retail experiences consistent and fast to build. Treated as product infrastructure, not a component library, it scales. How to…

14 min read
TECHNOLOGY Product Discoveryfor Hospitality. Hospitality teams build guest andoperations features from assumptions… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jul 24, 2026

Product Discovery for Hospitality

Hospitality teams build guest and operations features from assumptions about what guests and staff want, then see thin adoption. Product discovery gathers evidence first. How to run it in hospitality.

15 min read
TECHNOLOGY Product Discoveryfor Technology &SaaS. Most SaaS teams skip discovery and buildstraight from the roadmap, then ship… ARCHITECTURE SECURITY RELIABILITY COST PRODUCTDISCOVERY
Insights · Jul 24, 2026

Product Discovery for Technology & SaaS

Most SaaS teams skip discovery and build straight from the roadmap, then ship features nobody uses. Product discovery gathers evidence before the roadmap. What it is and how technical teams run it.

14 min read
TECHNOLOGY SoftwareArchitectureReviews forEnergy. In energy, an architecture that cannothandle fleet-scale telemetry, grid… DESIGN SHIP OBSERVE REFINE SOFTWARE
Insights · Jul 24, 2026

Software Architecture Reviews for Energy

In energy, an architecture that cannot handle fleet-scale telemetry, grid failures, or regulatory data is a costly mistake to discover in production. What a serious review pressure-tests before…

16 min read
TECHNOLOGY SoftwareArchitecture Reviewsfor Technology &SaaS. Most architecture reviews are arubber-stamp meeting or a fight. A… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · Jul 24, 2026

Software Architecture Reviews for Technology & SaaS

Most architecture reviews are a rubber-stamp meeting or a fight. A serious review pressure-tests scale, failure, data, and cost before you build. What it actually covers and how to run one.

14 min read
TECHNOLOGY The Quality Profileof AI-Generated Codefor Healthcare. In healthcare, AI code that looks rightbut mishandles a dose, a unit, or PHI is… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · Jul 24, 2026

The Quality Profile of AI-Generated Code for Healthcare

In healthcare, AI code that looks right but mishandles a dose, a unit, or PHI is a patient-safety and privacy risk. Know how AI code fails so you review for clinical and compliance harm.

16 min read
TECHNOLOGY The Quality Profileof AI-Generated Codefor Fintech. In fintech, AI code that looks right butmishandles money, precision, or a… MODEL DEPLOY MONITOR ITERATE QUALITY
Insights · Jul 23, 2026

The Quality Profile of AI-Generated Code for Fintech

In fintech, AI code that looks right but mishandles money, precision, or a control is a reportable incident, not a bug. Know how AI code fails so you review for money and compliance risk.

16 min read
TECHNOLOGY The Quality Profile ofAI-Generated Code forTechnology & SaaS. AI-generated code fails in patterns,plausible but wrong, insecure defaults… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 23, 2026

The Quality Profile of AI-Generated Code for Technology & SaaS

AI-generated code fails in patterns, plausible but wrong, insecure defaults, subtle duplication. Knowing its quality profile lets your SaaS team review for what AI actually gets wrong.

15 min read
TECHNOLOGY Developer ProductivityMetrics When AI Writesthe Code for Technology& SaaS. When AI generates much of the code,output-based productivity metrics like… PLAN BUILD MEASURE IMPROVE DEVELOPER
Insights · Jul 23, 2026

Developer Productivity Metrics When AI Writes the Code for Technology & SaaS

When AI generates much of the code, output-based productivity metrics like lines and commits stop meaning anything. What to measure instead: outcomes, flow, and the quality of what ships.

14 min read
TECHNOLOGY DORA Metricsfor Fintech. In fintech, shipping fast means littleif a change breaks payments or fails an… PEOPLE PROCESS PLATFORM PRACTICE DORAMETRICS
Insights · Jul 23, 2026

DORA Metrics for Fintech

In fintech, shipping fast means little if a change breaks payments or fails an audit. DORA metrics reveal delivery health, but stability and change control carry extra weight. What they predict…

15 min read
TECHNOLOGY DORA Metrics forTechnology & SaaS. DORA's four metrics predict deliveryperformance well and are gamed easily… ARCHITECTURE SECURITY RELIABILITY COST DORAMETRICS
Insights · Jul 23, 2026

DORA Metrics for Technology & SaaS

DORA's four metrics predict delivery performance well and are gamed easily. Used honestly they reveal how your SaaS team ships; used as targets they mislead. What they measure and what they miss.

14 min read
TECHNOLOGY Trunk-BasedDevelopment forTechnology & SaaS. Long-lived branches feel safe andquietly kill velocity through merge hell… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 23, 2026

Trunk-Based Development for Technology & SaaS

Long-lived branches feel safe and quietly kill velocity through merge hell and integration pain. Trunk-based development keeps everyone on one line, integrating daily. When it fits and how to…

14 min read
TECHNOLOGY Feature Flagsfor Retail. In retail, a bad release during a salecosts real revenue. Feature flags let… FEATUREFLAGS DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 23, 2026

Feature Flags for Retail

In retail, a bad release during a sale costs real revenue. Feature flags let you ship dark, roll out to a store or region, and kill a broken checkout instantly, if you manage their lifecycle.

16 min read
TECHNOLOGY Feature Flags forTechnology & SaaS. Feature flags are releaseinfrastructure, not scattered… 01 Ad hoc 02 Managed 03 Defined 04 Optimized FEATURE FLAGS
Insights · Jul 23, 2026

Feature Flags for Technology & SaaS

Feature flags are release infrastructure, not scattered if-statements. Done right they separate deploy from release, enable safe rollouts, and stay clean. Done wrong they become permanent…

15 min read
TECHNOLOGY Monorepo vs Polyrepo inthe AI Tooling Era forTechnology & SaaS. Repo strategy now shapes build times,code ownership, and how much context AI… MONOREPO /POLYREPO Monorepo Best fit for your caseSimpler to operateLower switching cost Polyrepo Added complexityHeavier toolingSteeper learning curve
Insights · Jul 23, 2026

Monorepo vs Polyrepo in the AI Tooling Era for Technology & SaaS

Repo strategy now shapes build times, code ownership, and how much context AI tools can see. Monorepo or polyrepo is a real tradeoff, not a religion. How to choose for a scaling SaaS team.

16 min read
TECHNOLOGY Real-Time ProductFeatures forEnergy. An energy operations dashboard shows"live load" by having each open browser… 01 Ad hoc 02 Managed 03 Defined 04 Optimized REAL TIME
Insights · Jul 23, 2026

Real-Time Product Features for Energy

An energy operations dashboard shows "live load" by having each open browser poll a telemetry endpoint every few seconds. It looks responsive in the demo. In production, dozens of operators and…

16 min read
TECHNOLOGY Real-Time ProductFeatures forFintech. A fintech app shows a "live balance" byhaving the client poll the ledger every… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jul 23, 2026

Real-Time Product Features for Fintech

A fintech app shows a "live balance" by having the client poll the ledger every few seconds. It looks instant in the demo. In production the polling multiplies across every open app, hammers the…

16 min read
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