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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.

1397 essays
TECHNOLOGY Micro-Frontends: TheHonest Trade-OffAnalysis. When team scale justifies the complexitytax of micro-frontends, and when it does… ARCHITECTURE SECURITY RELIABILITY COST MICROFRONTENDS
Insights · Jul 15, 2026

Micro-Frontends: The Honest Trade-Off Analysis

When team scale justifies the complexity tax of micro-frontends, and when it does not. An honest look at what you gain, what you pay, and how to decide.

12 min read
TECHNOLOGY SaaS Scalability: WhatBreaks First and What toFix in Order. Scaling a SaaS product past its firstarchitecture, in the order that actually… SAASSCALABILITY DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 15, 2026

SaaS Scalability: What Breaks First and What to Fix in Order

Scaling a SaaS product past its first architecture, in the order that actually works. What breaks first, why the database usually goes before the app, and how to fix it in sequence.

13 min read
TECHNOLOGY The AI ProductDevelopment Process:What Changes for PMs andEngineers. Shipping AI features changes how PMs andengineers work: feasibility that is… PEOPLE PROCESS PLATFORM PRACTICE AI PRODUCT
Insights · Jul 15, 2026

The AI Product Development Process: What Changes for PMs and Engineers

Shipping AI features changes how PMs and engineers work: feasibility that is probabilistic, evaluation instead of pass or fail, and iteration on behavior. The process changes that stick.

13 min read
TECHNOLOGY Product AnalyticsImplementation: FromEvents to Decisions. How to implement product analytics yourteam actually trusts: a tracking plan… PRODUCTANALYTICS DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 15, 2026

Product Analytics Implementation: From Events to Decisions

How to implement product analytics your team actually trusts: a tracking plan, clean event data, and the governance that turns events into decisions instead of dashboards nobody believes.

12 min read
TECHNOLOGY WCAG Compliance:Building AccessibilityIn, Not Bolting It On. Accessibility as an engineeringdiscipline: how to meet WCAG by building… WCAGCOMPLIANCE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 15, 2026

WCAG Compliance: Building Accessibility In, Not Bolting It On

Accessibility as an engineering discipline: how to meet WCAG by building it in from the start instead of a costly retrofit, with testing and culture that keep it.

12 min read
TECHNOLOGY Frontend Performance:The Conversion LeverEngineering Owns. Frontend performance is a revenue lever,not a nicety. How to set performance… STRATEGY DELIVERY GOVERNANCE SCALE FRONTENDPERFORMANCE
Insights · Jul 15, 2026

Frontend Performance: The Conversion Lever Engineering Owns

Frontend performance is a revenue lever, not a nicety. How to set performance budgets, monitor real users, and build a culture that keeps the frontend fast.

12 min read
TECHNOLOGY Design Systems at Scale:Governance That Doesn'tChoke Speed. How to run a design system as productinfrastructure across brands and teams… 01 Ad hoc 02 Managed 03 Defined 04 Optimized DESIGN SYSTEMS
Insights · Jul 15, 2026

Design Systems at Scale: Governance That Doesn't Choke Speed

How to run a design system as product infrastructure across brands and teams, with governance that keeps consistency without becoming a bottleneck that slows every team.

12 min read
TECHNOLOGY Product Discovery:Killing Bad IdeasCheaply. Product discovery for technical productsmeans gathering evidence before the… DESIGN SHIP OBSERVE REFINE PRODUCT
Insights · Jul 15, 2026

Product Discovery: Killing Bad Ideas Cheaply

Product discovery for technical products means gathering evidence before the roadmap and killing bad ideas cheaply, so engineering builds what is validated, not what is assumed.

12 min read
TECHNOLOGY SoftwareArchitectureReviews: What GoodLooks Like. What a serious architecture reviewcovers before you scale: scope… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 SOFTWARE ARCHITECTURE
Insights · Jul 15, 2026

Software Architecture Reviews: What Good Looks Like

What a serious architecture review covers before you scale: scope, scalability, failure modes, security, and decisions recorded, so problems surface on paper not in production.

12 min read
TECHNOLOGY The Quality Profileof AI-GeneratedCode: What to Watch. AI-generated code fails differently thanhuman code. The defect patterns to… QUALITYPROFILE DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 14, 2026

The Quality Profile of AI-Generated Code: What to Watch

AI-generated code fails differently than human code. The defect patterns to watch, the review heuristics that catch them, and how to audit AI output at scale.

12 min read
TECHNOLOGY DeveloperProductivity MetricsWhen AI Writes theCode. When AI writes much of the code, outputstops signaling productivity. How to… PEOPLE PROCESS PLATFORM PRACTICE DEVELOPERPRODUCTIVITY
Insights · Jul 14, 2026

Developer Productivity Metrics When AI Writes the Code

When AI writes much of the code, output stops signaling productivity. How to measure developer productivity by outcomes, flow, quality, and experience instead.

12 min read
TECHNOLOGY DORA Metrics: UsingThem Without GamingThem. What DORA metrics actually predict andwhat they miss, and how to use… DORAMETRICS DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 14, 2026

DORA Metrics: Using Them Without Gaming Them

What DORA metrics actually predict and what they miss, and how to use deployment frequency, lead time, change failure rate, and recovery time without gaming them.

13 min read
TECHNOLOGY Trunk-BasedDevelopment: TheCase AgainstBranches. Why long-lived branches kill velocityand how trunk-based development keeps… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 14, 2026

Trunk-Based Development: The Case Against Branches

Why long-lived branches kill velocity and how trunk-based development keeps teams integrating continuously, with feature flags, fast review, and strong tests.

12 min read
TECHNOLOGY Feature Flags: ReleaseEngineering forContinuous Delivery. Why feature flags are releaseinfrastructure, not if-statements… PLAN BUILD MEASURE IMPROVE FEATURE
Insights · Jul 13, 2026

Feature Flags: Release Engineering for Continuous Delivery

Why feature flags are release infrastructure, not if-statements: decoupling deploy from release, controlled rollout, and the discipline that keeps flags from becoming debt.

12 min read
TECHNOLOGY Monorepo vs Polyrepoin the AI ToolingEra. How to choose between monorepo andpolyrepo at scale, weighing build times… MONOREPO /POLYREPO Monorepo Best fit for your caseSimpler to operateLower switching cost Polyrepo Added complexityHeavier toolingSteeper learning curve
Insights · Jul 13, 2026

Monorepo vs Polyrepo in the AI Tooling Era

How to choose between monorepo and polyrepo at scale, weighing build times, ownership, and the AI-tool context that now depends on how your code is organized.

13 min read
TECHNOLOGY Real-Time ProductFeatures: ArchitecturePatterns That Scale. How to engineer real-time productfeatures that scale, from polling to… PEOPLE PROCESS PLATFORM PRACTICE REAL TIME
Insights · Jul 13, 2026

Real-Time Product Features: Architecture Patterns That Scale

How to engineer real-time product features that scale, from polling to streams: transport choices, fan-out, consistency, and graceful fallback under load.

12 min read
TECHNOLOGY GraphQL vs REST:Choose by WhoConsumes You. GraphQL vs REST vs RPC for product APIs,chosen by who consumes your API rather… GRAPHQL /REST:CHOOSE GraphQL Best fit for your caseSimpler to operateLower switching cost REST: Choose Added complexityHeavier toolingSteeper learning curve
Insights · Jul 13, 2026

GraphQL vs REST: Choose by Who Consumes You

GraphQL vs REST vs RPC for product APIs, chosen by who consumes your API rather than by fashion. A practical decision framework by consumer type.

13 min read
TECHNOLOGY API VersioningStrategies ThatAge Well. How to version APIs without breakingcustomers or your own agents… PEOPLE PROCESS PLATFORM PRACTICE APIVERSIONING
Insights · Jul 13, 2026

API Versioning Strategies That Age Well

How to version APIs without breaking customers or your own agents: compatibility rules, deprecation with notice, and a strategy that ages well as consumers multiply.

13 min read
TECHNOLOGY Multi-TenantArchitecture:Isolation ModelsCompared. A practical comparison of multi-tenantisolation models: shared, siloed, and… MODEL DEPLOY MONITOR ITERATE MULTI
Insights · Jul 13, 2026

Multi-Tenant Architecture: Isolation Models Compared

A practical comparison of multi-tenant isolation models: shared, siloed, and hybrid, plus noisy neighbors, per-tenant cost, and choosing by real requirements.

12 min read
TECHNOLOGY Modular Monolith: TheUnfashionableArchitecture That Wins. Why the modular monolith is the rightarchitecture for most scale-ups: clear… ARCHITECTURE SECURITY RELIABILITY COST MODULARMONOLITH
Insights · Jul 13, 2026

Modular Monolith: The Unfashionable Architecture That Wins

Why the modular monolith is the right architecture for most scale-ups: clear module boundaries and one deployable, without the operational tax of microservices.

13 min read
TECHNOLOGY Domain-Driven Designfor Scaling ProductTeams. How domain-driven design and boundedcontexts create software boundaries that… ARCHITECTURE SECURITY RELIABILITY COST DOMAINDRIVEN
Insights · Jul 13, 2026

Domain-Driven Design for Scaling Product Teams

How domain-driven design and bounded contexts create software boundaries that survive org changes, so scaling teams stop fighting a tangled shared model.

12 min read
TECHNOLOGY Event-DrivenArchitecture: WhenEvents Beat APIs. When event-driven architecture beatsrequest-response APIs, explained through… 01 Assess 02 Design 03 Ship 04 Operate
Insights · Jul 13, 2026

Event-Driven Architecture: When Events Beat APIs

When event-driven architecture beats request-response APIs, explained through real operational workloads: decoupling, delivery guarantees, and where it does not fit.

12 min read
TECHNOLOGY API-FirstDevelopment: WhyAgents Made ItNon-Negotiable. Why API-first design is now aprecondition for AI agents consuming… PLAN BUILD MEASURE IMPROVE API
Insights · Jul 13, 2026

API-First Development: Why Agents Made It Non-Negotiable

Why API-first design is now a precondition for AI agents consuming your product, and how to build contract-first APIs that both humans and machines can use.

12 min read
TECHNOLOGY Mobile AppModernizationWithout Losing YourUsers. How to modernize an aging mobile appwithout breaking the experience: assess… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Jul 13, 2026

Mobile App Modernization Without Losing Your Users

How to modernize an aging mobile app without breaking the experience: assess honestly, migrate incrementally, roll out gradually, and keep users through the change.

12 min read
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