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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.

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Field notes, sorted by recency.

1463 essays
TECHNOLOGY AWS FinOps: Buildinga Continuous CostOptimization Loop. One-time AWS cost audits produceone-time savings. Continuous FinOps… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 19, 2026

AWS FinOps: Building a Continuous Cost Optimization Loop

One-time AWS cost audits produce one-time savings. Continuous FinOps loops produce sustained reduction. A weekly cycle with five steps converts one-time savings into compound improvement. Here is…

7 min read
TECHNOLOGY Step Functions forAgentic AI Workflowson AWS. AWS Step Functions is one of the betterorchestration choices for agentic AI… MODEL DEPLOY MONITOR ITERATE STEP
Insights · May 19, 2026

Step Functions for Agentic AI Workflows on AWS

AWS Step Functions is one of the better orchestration choices for agentic AI workloads, and not the right choice for some others. Three patterns describe when it fits. Here is the operating reference.

6 min read
TECHNOLOGY Data Architecture forAI: What Your StackNeeds Before You AddLLMs. Most AI implementation problems trace todata infrastructure that was not ready… STRATEGY DELIVERY GOVERNANCE SCALE DATAARCHITECTURE
Insights · May 19, 2026

Data Architecture for AI: What Your Stack Needs Before You Add LLMs

Most AI implementation problems trace to data infrastructure that was not ready when AI was added. Five readiness conditions determine whether your stack can support LLMs. Check them before adding…

7 min read
TECHNOLOGY What Is Data Engineeringin 2026? A ModernDefinition forEnterprise Leaders. Learn what Data Engineering means in2026: pipelines, contracts… DATAENGINEERING DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 19, 2026

What Is Data Engineering in 2026? A Modern Definition for Enterprise Leaders

Learn what Data Engineering means in 2026: pipelines, contracts, observability, and the operating model behind every modern data platform.

11 min read
INSIGHTS The AI-Ready DataPlatform: 9 Things YourStack Needs in 2026. Learn the 9 things your stack needs foran AI-Ready Data Platform in 2026… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · May 19, 2026

The AI-Ready Data Platform: 9 Things Your Stack Needs in 2026

Learn the 9 things your stack needs for an AI-Ready Data Platform in 2026: retrieval, lineage, contracts, observability, governance, and the operating model.

12 min read
INSIGHTS Data Observability inPractice: How We CutIncident Response Time70% in 2026. Learn Data Observability in practice in2026: a case study showing how the right… PLAN BUILD MEASURE IMPROVE DATA
Insights · May 19, 2026

Data Observability in Practice: How We Cut Incident Response Time 70% in 2026

Learn Data Observability in practice in 2026: a case study showing how the right observability cut incident response time 70%, with the playbook to follow.

12 min read
INSIGHTS CDC (Change DataCapture): TheUnder-Rated Piece of aModern Data Stack in…. Learn Change Data Capture in 2026: whyCDC is the under-rated piece of a modern… 01 Ad hoc 02 Managed 03 Defined 04 Optimized CDC CHANGE
Insights · May 19, 2026

CDC (Change Data Capture): The Under-Rated Piece of a Modern Data Stack in 2026

Learn Change Data Capture in 2026: why CDC is the under-rated piece of a modern data stack, patterns that work, and the operating model behind reliable CDC.

12 min read
INSIGHTS The Data PipelinePatterns EnterpriseTeams Are StandardizingOn in 2026. Learn the data pipeline patternsenterprise teams are standardizing on in… DESIGN SHIP OBSERVE REFINE DATA
Insights · May 19, 2026

The Data Pipeline Patterns Enterprise Teams Are Standardizing On in 2026

Learn the data pipeline patterns enterprise teams are standardizing on in 2026: medallion, lakehouse ELT, streaming-first, and the operating model behind each.

12 min read
INSIGHTS The AI ImplementationPartner's Checklist:What Good EngineeringLooks Like. Pitch decks describe AI engineeringcapability. Code reviews reveal it. Six… DESIGN SHIP OBSERVE REFINE AI
Insights · May 19, 2026

The AI Implementation Partner's Checklist: What Good Engineering Looks Like

Pitch decks describe AI engineering capability. Code reviews reveal it. Six engineering markers separate partners who ship from partners who promise. Here is what to look for in the artifacts, not…

8 min read
INSIGHTS AI Cost per Request: ASimple Framework forEnterprise FinOps on AI. Aggregate AI cloud spend hides the uniteconomics that matter for product… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 19, 2026

AI Cost per Request: A Simple Framework for Enterprise FinOps on AI

Aggregate AI cloud spend hides the unit economics that matter for product decisions. Five inputs determine cost per request. Knowing the calculation gives product, finance, and engineering a…

7 min read
INSIGHTS How Enterprises AreIntegrating AI IntoExisting ProductsWithout Rebuilds. Most enterprise AI value lives inexisting products that nobody wants to… ENTERPRISESINTEGRATING DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 19, 2026

How Enterprises Are Integrating AI Into Existing Products Without Rebuilds

Most enterprise AI value lives in existing products that nobody wants to rewrite. Four integration surfaces let teams add AI without rebuilds. Here is the pattern reference with the operational…

7 min read
INSIGHTS Multi-Agent Systems inFinancial Services:Architecture andControls. Multi-agent AI in financial services hasregulatory and operational implications… PEOPLE PROCESS PLATFORM PRACTICE MULTI AGENT
Insights · May 19, 2026

Multi-Agent Systems in Financial Services: Architecture and Controls

Multi-agent AI in financial services has regulatory and operational implications that other industries do not face. Four control layers govern production deployments. Here is the architecture with…

7 min read
INSIGHTS Evaluating LLM Outputs:Building an InternalEval Harness. Most enterprises run LLM evaluation asceremony, not engineering. A real eval… EVALUATINGLLM DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 19, 2026

Evaluating LLM Outputs: Building an Internal Eval Harness

Most enterprises run LLM evaluation as ceremony, not engineering. A real eval harness has five components and runs in CI. Here is the buildout reference with the operational details vendors omit.

7 min read
INSIGHTS Small Models, Big Wins:When SLMs Beat LLMs inEnterprise AI. Small language models have closed enoughof the capability gap that for specific… 01 Pilot 02 Team 03 Org 04 Scale SMALL MODELS
Insights · May 19, 2026

Small Models, Big Wins: When SLMs Beat LLMs in Enterprise AI

Small language models have closed enough of the capability gap that for specific workloads they outperform frontier LLMs on the metrics that matter. Four conditions define the sweet spot. Here is…

7 min read
INSIGHTS AI Model Monitoring inProduction: Drift,Decay, and What to DoAbout It. Production AI models do not stay still.Three decay modes account for most… AI MODEL DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · May 19, 2026

AI Model Monitoring in Production: Drift, Decay, and What to Do About It

Production AI models do not stay still. Three decay modes account for most quality loss over time. Each one needs a specific monitoring approach. Here is the reference and the corresponding…

6 min read
INSIGHTS Human-in-the-LoopArchitectures forEnterprise Agentic AI. Human-in-the-loop is required by EU AIAct for high-risk systems and important… PLAN BUILD MEASURE IMPROVE HUMAN
Insights · May 19, 2026

Human-in-the-Loop Architectures for Enterprise Agentic AI

Human-in-the-loop is required by EU AI Act for high-risk systems and important for almost every production agent. Three architectural patterns dominate. Picking the right pattern shapes both…

6 min read
INSIGHTS AI Readiness Assessment:The 10 Signals Your OrgIs (or Isn't) Ready. Most AI readiness assessments are toolong to act on. Ten specific signals… AIREADINESS DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 19, 2026

AI Readiness Assessment: The 10 Signals Your Org Is (or Isn't) Ready

Most AI readiness assessments are too long to act on. Ten specific signals separate organizations ready to scale AI from organizations that will struggle. Here is the diagnostic and what each…

6 min read
TECHNOLOGY MicroservicesArchitecture: When ItHelps and When It Hurts. Amazon Prime Video cut 90% offinfrastructure cost going from… DISCOVERY DESIGN DELIVERY SCALE
Insights · May 19, 2026

Microservices Architecture: When It Helps and When It Hurts

Amazon Prime Video cut 90% off infrastructure cost going from microservices back to a monolith. 42% of orgs are doing similar. Here's the decision framework.

5 min read
TECHNOLOGY Engineering CultureBreaks the AI-FirstOrg. AI adoption hit 90% of engineeringteams. But senior engineers see 5x the… DESIGN SHIP OBSERVE REFINE ENGINEERI…
Insights · May 19, 2026

Engineering Culture Breaks the AI-First Org

AI adoption hit 90% of engineering teams. But senior engineers see 5x the productivity gain juniors do. The culture gap is now the biggest org problem CTOs face.

6 min read
INSIGHTS Responsible AI: WhatBoards Are ActuallyAsking CTOs in 2026. Board questions about AI have shiftedfrom "are we doing it" to "what could go… RESPONSIBLEAI DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 19, 2026

Responsible AI: What Boards Are Actually Asking CTOs in 2026

Board questions about AI have shifted from "are we doing it" to "what could go wrong and what is our response." Five specific questions now appear in roughly every board meeting. Here are the…

7 min read
INSIGHTS LLM Ops for CTOs:What Your Team NeedsBeyond the Model. The model is roughly 10% of what ittakes to run an LLM in production. The… PEOPLE PROCESS PLATFORM PRACTICE LLM OPS
Insights · May 19, 2026

LLM Ops for CTOs: What Your Team Needs Beyond the Model

The model is roughly 10% of what it takes to run an LLM in production. The other 90% is the operational stack. Here are the five capabilities a CTO needs to fund alongside any serious LLM commitment.

7 min read
INSIGHTS Agentic AI in theEnterprise: WhichWorkflows Actually PayOff First?. Most agentic AI portfolios spreadinvestment thin and produce modest… DESIGN SHIP OBSERVE REFINE AGENTIC
Insights · May 19, 2026

Agentic AI in the Enterprise: Which Workflows Actually Pay Off First?

Most agentic AI portfolios spread investment thin and produce modest results. Three workflow profiles consistently pay off first. Picking from these profiles is the difference between a productive…

6 min read
INSIGHTS How to Evaluate an AIImplementation Partner:12 Questions to Ask. ISG's 2024 report shows 47% of AIengagements renew at lower scope after… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · May 19, 2026

How to Evaluate an AI Implementation Partner: 12 Questions to Ask

ISG's 2024 report shows 47% of AI engagements renew at lower scope after year one. Twelve specific diagnostic questions surface the partner-fit issues that standard RFPs miss. Use them before…

6 min read
INSIGHTS AI Integration IntoLegacy Systems: A FieldGuide for EnterpriseTeams. Most enterprise AI value lives oneintegration away from legacy systems… 01 Pilot 02 Team 03 Org 04 Scale AI INTEGRATION
Insights · May 19, 2026

AI Integration Into Legacy Systems: A Field Guide for Enterprise Teams

Most enterprise AI value lives one integration away from legacy systems. The integration patterns that work fall into five modes. Here is the field guide with the practical tradeoffs each mode…

7 min read
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