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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 Rewrite vs Refactor:The Decision CTOsGet Wrong Most. Rewrites fail more often than they feellike they will. A decision framework for… REWRITE /REFACTOR:THE Rewrite Best fit for your caseSimpler to operateLower switching cost Refactor: The Added complexityHeavier toolingSteeper learning curve
Insights · Jul 13, 2026

Rewrite vs Refactor: The Decision CTOs Get Wrong Most

Rewrites fail more often than they feel like they will. A decision framework for rewrite versus refactor, with honest failure base rates.

13 min read
TECHNOLOGY Technical DebtManagement: A CTO'sPortfolio Approach. Stop cleaning up the code that annoysengineers and start paying down the debt… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 13, 2026

Technical Debt Management: A CTO's Portfolio Approach

Stop cleaning up the code that annoys engineers and start paying down the debt that costs the business. A portfolio approach to technical debt.

12 min read
TECHNOLOGY AI-Powered CodeModernization: Legacy toModern Without theRewrite Risk. How to use AI to migrate legacy systemswithout changing your business logic… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 AI POWERED
Insights · Jul 13, 2026

AI-Powered Code Modernization: Legacy to Modern Without the Rewrite Risk

How to use AI to migrate legacy systems without changing your business logic. Capture behavior, migrate incrementally, and prove equivalence.

12 min read
TECHNOLOGY The AI-Era SDLC:What Changes inEvery Phase. AI does not just speed up coding. Itreweights the whole software lifecycle… DESIGN SHIP OBSERVE REFINE AI
Insights · Jul 13, 2026

The AI-Era SDLC: What Changes in Every Phase

AI does not just speed up coding. It reweights the whole software lifecycle. Here is what changes in plan, spec, generate, verify, ship, and operate.

12 min read
TECHNOLOGY AI Pair Programming: ASenior Engineer'sDivision of Labor. What senior engineers actually delegateto an AI pair and what they never do. A… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 13, 2026

AI Pair Programming: A Senior Engineer's Division of Labor

What senior engineers actually delegate to an AI pair and what they never do. A practical division of labor that keeps quality and sharpens judgment.

13 min read
TECHNOLOGY AI Code Review at Scale:Keeping Quality WhenVolume Explodes. When AI writes half the diff, humanreview breaks. Here is how to layer… DISCOVERY DESIGN DELIVERY SCALE
Insights · Jul 13, 2026

AI Code Review at Scale: Keeping Quality When Volume Explodes

When AI writes half the diff, human review breaks. Here is how to layer automation, AI triage, and focused human gates to hold quality at volume.

12 min read
TECHNOLOGY AI-Assisted SoftwareDevelopment: The NewBottlenecks NobodyBudgets For. AI speeds up code generation and movesthe bottleneck to review, specs, and… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Jul 13, 2026

AI-Assisted Software Development: The New Bottlenecks Nobody Budgets For

AI speeds up code generation and moves the bottleneck to review, specs, and testing. Here is how to find the real constraint and budget for it.

12 min read
TECHNOLOGY Vibe Coding vsProduction Engineering:Where the Demo Ends. Why vibe-coded prototypes die inproduction and what production… VIBECODING /PRODUCTION… Vibe Coding Best fit for your caseSimpler to operateLower switching cost Production Engineering: Added complexityHeavier toolingSteeper learning curve
Insights · Jul 13, 2026

Vibe Coding vs Production Engineering: Where the Demo Ends

Why vibe-coded prototypes die in production and what production engineering adds: architecture, testing, security, and the operations a demo never needed.

13 min read
TECHNOLOGY Spec-Driven Development:How Teams ShipAI-Assisted Code ThatLasts. Why prompts are not specs and howdurable specifications give AI tools the… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 13, 2026

Spec-Driven Development: How Teams Ship AI-Assisted Code That Lasts

Why prompts are not specs and how durable specifications give AI tools the persistent context and quality bars that make AI-assisted code last.

12 min read
TECHNOLOGY AI-Native ProductDevelopment:Architecture BeforeFeatures. Why bolted-on AI features rot inproduction and how to design… 01 Pilot 02 Team 03 Org 04 Scale AI NATIVE
Insights · Jul 13, 2026

AI-Native Product Development: Architecture Before Features

Why bolted-on AI features rot in production and how to design intelligence as a real architectural layer: model abstraction, evaluation, guardrails, and observability.

12 min read
TECHNOLOGY From Strategy toProduction: Moving AIFrom Pilot to ProductionWith an Engineering…. Moving AI from pilot to production withan engineering partner: closing the… STRATEGY DELIVERY GOVERNANCE SCALE STRATEGYPRODUCTION
Insights · Jul 6, 2026

From Strategy to Production: Moving AI From Pilot to Production With an Engineering Partner

Moving AI from pilot to production with an engineering partner: closing the reliability, data, monitoring, and operations gaps the pilot never had to, faster.

7 min read
TECHNOLOGY Data LakehouseArchitecture Explained:What Enterprise LeadersNeed to Know. Data lakehouse architecture explainedfor enterprise leaders: what it is, why… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 6, 2026

Data Lakehouse Architecture Explained: What Enterprise Leaders Need to Know

Data lakehouse architecture explained for enterprise leaders: what it is, why it combines the lake and the warehouse, and what to know before adopting it.

8 min read
TECHNOLOGY Multi-Cloud StrategyImplementation Checklistfor Head of Platforms. A Head of Platforms checklist forimplementing multi-cloud: pursue it for… DISCOVERY DESIGN DELIVERY SCALE
Insights · Jul 6, 2026

Multi-Cloud Strategy Implementation Checklist for Head of Platforms

A Head of Platforms checklist for implementing multi-cloud: pursue it for a real reason, standardize across clouds, and contain the complexity, or consolidate.

6 min read
TECHNOLOGY From Strategy toProduction:Observability StrategyWith an Engineering…. Taking an observability strategy fromstrategy to production with an… ARCHITECTURE SECURITY RELIABILITY COST STRATEGYPRODUCTION
Insights · Jul 6, 2026

From Strategy to Production: Observability Strategy With an Engineering Partner

Taking an observability strategy from strategy to production with an engineering partner: the gap between an observability vision and answering "what broke" affordably.

7 min read
TECHNOLOGY Why Model LatencyOptimization Matters forScaling Healthcare Teams. Why model latency optimization mattersfor scaling healthcare teams: slow AI… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 6, 2026

Why Model Latency Optimization Matters for Scaling Healthcare Teams

Why model latency optimization matters for scaling healthcare teams: slow AI inference becomes a clinical workflow bottleneck and a cost driver as usage grows.

7 min read
TECHNOLOGY Data Contracts: AFramework for Mid-Marketand Enterprise Teams. A framework for data contracts inmid-market and enterprise teams: where… 01 Assess 02 Design 03 Ship 04 Operate
Insights · Jul 6, 2026

Data Contracts: A Framework for Mid-Market and Enterprise Teams

A framework for data contracts in mid-market and enterprise teams: where to apply contracts, what to put in them, and how to enforce them without slowing everyone.

6 min read
TECHNOLOGY From Strategy toProduction: WarehouseMigration With anEngineering Partner. Taking a warehouse migration fromstrategy to production with an… STRATEGYPRODUCTION DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 6, 2026

From Strategy to Production: Warehouse Migration With an Engineering Partner

Taking a warehouse migration from strategy to production with an engineering partner: the gap between a migration plan and a migrated warehouse nobody's reports broke on.

7 min read
TECHNOLOGY Why DeploymentAutomation Matters forScaling Energy &Utilities Teams. Why deployment automation matters forscaling energy and utilities teams… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 6, 2026

Why Deployment Automation Matters for Scaling Energy & Utilities Teams

Why deployment automation matters for scaling energy and utilities teams: manual deployment becomes a bottleneck and a risk as systems multiply near the grid.

7 min read
TECHNOLOGY How to Approach ChangeData Capture in RealEstate Organizations. How to approach change data capture inreal estate: prioritize reliable… 01 Pilot 02 Team 03 Org 04 Scale APPROACH CHANGE
Insights · Jul 6, 2026

How to Approach Change Data Capture in Real Estate Organizations

How to approach change data capture in real estate: prioritize reliable, log-based capture of the data that matters, with deletes and schema changes handled, not just streaming.

7 min read
TECHNOLOGY Modern Data ArchitectureROI: How to Measure andProve It. How to measure and prove modern dataarchitecture ROI: quantify the cost of… 01 Ad hoc 02 Managed 03 Defined 04 Optimized MODERN DATA
Insights · Jul 6, 2026

Modern Data Architecture ROI: How to Measure and Prove It

How to measure and prove modern data architecture ROI: quantify the cost of the legacy foundation and the value of what a modern one enables, against the rebuild cost.

7 min read
TECHNOLOGY Common PlatformEngineering Pitfalls(and How to Avoid Them). The common platform engineeringpitfalls: building what nobody adopts… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 COMMON PLATFORM
Insights · Jul 3, 2026

Common Platform Engineering Pitfalls (and How to Avoid Them)

The common platform engineering pitfalls: building what nobody adopts, gold-plating, mandating instead of earning adoption, and no product mindset, and how to avoid each.

7 min read
TECHNOLOGY HallucinationMitigation: Concepts,Benefits, and Trade-offs. Hallucination mitigation explained: theconcepts behind reducing and containing… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 3, 2026

Hallucination Mitigation: Concepts, Benefits, and Trade-offs

Hallucination mitigation explained: the concepts behind reducing and containing LLM hallucination, the benefits of doing it, and the trade-offs against cost and latency.

7 min read
TECHNOLOGY Buy-vs-Build AI ROI:How to Measure andProve It. How to measure and prove buy-vs-build AIROI: compare the fully-loaded cost of… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 3, 2026

Buy-vs-Build AI ROI: How to Measure and Prove It

How to measure and prove buy-vs-build AI ROI: compare the fully-loaded cost of building against buying, per capability, including speed and the value of differentiation.

7 min read
TECHNOLOGY A SRE Lead'sIntroduction toCI/CD PipelineDesign. An SRE lead's introduction to CI/CDpipeline design: build the pipeline as a… PLAN BUILD MEASURE IMPROVE SRE
Insights · Jul 3, 2026

A SRE Lead's Introduction to CI/CD Pipeline Design

An SRE lead's introduction to CI/CD pipeline design: build the pipeline as a reliability tool, with the gates, safety, and rollback that protect production.

7 min read
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