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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.

1395 essays
TECHNOLOGY AWS Control Tower:Multi-Account DoneRight. How AWS Control Tower sets upmulti-account governance the right way… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jun 8, 2026

AWS Control Tower: Multi-Account Done Right

How AWS Control Tower sets up multi-account governance the right way: guardrails, account factory, and where it fits versus a hand-built landing zone.

12 min read
TECHNOLOGY Why Most DataArchitectures Breakat 10x Scale. Why data architectures that work todaybreak at 10x scale, the assumptions that… 10x MOST DATA ARCHITECTUR… MOST · DATA · ARCHITECTURES · BREAK
Insights · Jun 8, 2026

Why Most Data Architectures Break at 10x Scale

Why data architectures that work today break at 10x scale, the assumptions that fail, and how to design for the next order of magnitude without over-building today.

13 min read
TECHNOLOGY Spot Instances inProduction: ResiliencePatterns That Save 70%. How to run Spot Instances in productionsafely: handling interruptions… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jun 8, 2026

Spot Instances in Production: Resilience Patterns That Save 70%

How to run Spot Instances in production safely: handling interruptions, diversification, and the resilience patterns that capture up to 70% savings without outages.

12 min read
TECHNOLOGY AWS Networking DeepDive: VPCs, TransitGateway, and PrivateLink. A deep dive into AWS networking, VPCs,Transit Gateway, and PrivateLink, and… 01 Ad hoc 02 Managed 03 Defined 04 Optimized AWS NETWORKING
Insights · Jun 8, 2026

AWS Networking Deep Dive: VPCs, Transit Gateway, and PrivateLink

A deep dive into AWS networking, VPCs, Transit Gateway, and PrivateLink, and how to choose the right connectivity pattern for your architecture and scale.

12 min read
TECHNOLOGY Choosing Between Aurora,RDS, and DynamoDB forYour Workload. A decision framework for choosingbetween Aurora, RDS, and DynamoDB… CHOOSINGBETWEEN DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jun 8, 2026

Choosing Between Aurora, RDS, and DynamoDB for Your Workload

A decision framework for choosing between Aurora, RDS, and DynamoDB: access patterns, scale, consistency, and cost, matched to what your workload actually needs.

12 min read
TECHNOLOGY AWS Organizations andSCPs: Governance at theAccount Level. How to use AWS Organizations and ServiceControl Policies for account-level… STRATEGY DELIVERY GOVERNANCE SCALE AWSORGANIZATIONS
Insights · Jun 8, 2026

AWS Organizations and SCPs: Governance at the Account Level

How to use AWS Organizations and Service Control Policies for account-level governance: structure, guardrails, and the controls a production multi-account setup needs.

12 min read
TECHNOLOGY Cloud Exit Strategies:Designing forPortability From Day One. How to design cloud architectures forportability without over-investing in… PLAN BUILD MEASURE IMPROVE CLOUD
Insights · Jun 8, 2026

Cloud Exit Strategies: Designing for Portability From Day One

How to design cloud architectures for portability without over-investing in cloud-agnosticism: where lock-in matters, what to abstract, and the controls an exit needs.

13 min read
TECHNOLOGY Service Meshes in2026: Worth theComplexity?. A clear-eyed look at service meshes in2026: what they solve, the complexity… SERVICEMESHES DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jun 8, 2026

Service Meshes in 2026: Worth the Complexity?

A clear-eyed look at service meshes in 2026: what they solve, the complexity they add, when they are worth it, and how to decide for your architecture.

13 min read
TECHNOLOGY TheMonolith-to-MicroservicesMigration Nobody WarnsYou About. The hidden costs ofmonolith-to-microservices migration… PEOPLE PROCESS PLATFORM PRACTICE MONOLITHMICROSERVICES
Insights · Jun 8, 2026

The Monolith-to-Microservices Migration Nobody Warns You About

The hidden costs of monolith-to-microservices migration nobody warns you about: distributed complexity, data, and the disciplined, incremental approach that works.

12 min read
TECHNOLOGY GitOps Beyond the Hype:What Actually Changes inOperations. What GitOps actually changes inday-to-day operations: git as the source… MODEL DEPLOY MONITOR ITERATE GITOPS
Insights · Jun 8, 2026

GitOps Beyond the Hype: What Actually Changes in Operations

What GitOps actually changes in day-to-day operations: git as the source of truth, reconciliation, auditability, and the controls a production GitOps setup needs.

12 min read
TECHNOLOGY Zero-TrustNetworking forCloud-NativeArchitectures. What zero-trust networking means forcloud-native systems: identity-based… ZERO TRUST DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jun 8, 2026

Zero-Trust Networking for Cloud-Native Architectures

What zero-trust networking means for cloud-native systems: identity-based access, microsegmentation, mutual TLS, and the controls to adopt it without breaking everything.

12 min read
TECHNOLOGY Policy as Code:Enforcing StandardsWithout Slowing Teams. How policy as code enforces security andcompliance standards automatically… MODEL DEPLOY MONITOR ITERATE POLICY
Insights · Jun 8, 2026

Policy as Code: Enforcing Standards Without Slowing Teams

How policy as code enforces security and compliance standards automatically without slowing developers: where to enforce, how to avoid friction, and the controls it needs.

12 min read
TECHNOLOGY Cluster Autoscaling ThatDoesn't Surprise YourFinance Team. How to configure Kubernetes clusterautoscaling that scales for demand… DESIGN SHIP OBSERVE REFINE CLUSTER
Insights · Jun 8, 2026

Cluster Autoscaling That Doesn't Surprise Your Finance Team

How to configure Kubernetes cluster autoscaling that scales for demand without runaway cost: bounds, policies, and the cost-awareness a production setup needs.

12 min read
TECHNOLOGY Right-Sizing Kubernetes:Requests, Limits, andReal Usage. How to right-size Kubernetes withrequests and limits grounded in real… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jun 8, 2026

Right-Sizing Kubernetes: Requests, Limits, and Real Usage

How to right-size Kubernetes with requests and limits grounded in real usage: avoiding over-provisioning and throttling, and the controls a production cluster needs.

12 min read
TECHNOLOGY Cost Allocation Tags:The Boring Practice ThatSaves Millions. Why cost allocation tagging is theunglamorous practice that unlocks cloud… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Jun 5, 2026

Cost Allocation Tags: The Boring Practice That Saves Millions

Why cost allocation tagging is the unglamorous practice that unlocks cloud cost control: a tagging strategy, enforcement, and the accountability it makes possible.

12 min read
TECHNOLOGY The SLO Handbook:Setting Targets YourTeam Can Actually Hit. A practical handbook for setting servicelevel objectives your team can actually… 01 Ad hoc 02 Managed 03 Defined 04 Optimized SLO HANDBOOK
Insights · Jun 5, 2026

The SLO Handbook: Setting Targets Your Team Can Actually Hit

A practical handbook for setting service level objectives your team can actually hit: choosing SLIs, realistic targets, error budgets, and the operating model behind them.

13 min read
TECHNOLOGY Observability-DrivenDevelopment: InstrumentBefore You Ship. Why observability belongs indevelopment, not after an incident… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jun 5, 2026

Observability-Driven Development: Instrument Before You Ship

Why observability belongs in development, not after an incident: instrumenting before you ship, the three pillars, and the practice that makes systems debuggable in production.

12 min read
TECHNOLOGY Secrets Management atScale: BeyondEnvironment Variables. Why environment variables fail assecrets management at scale, and how to… STRATEGY DELIVERY GOVERNANCE SCALE SECRETSMANAGEMENT
Insights · Jun 5, 2026

Secrets Management at Scale: Beyond Environment Variables

Why environment variables fail as secrets management at scale, and how to do it right: centralized storage, dynamic secrets, rotation, and the controls a production system needs.

13 min read
TECHNOLOGY The True Cost ofMulti-Region: Beyondthe AWS Bill. The real cost of going multi-region ismore than duplicated infrastructure… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jun 5, 2026

The True Cost of Multi-Region: Beyond the AWS Bill

The real cost of going multi-region is more than duplicated infrastructure: data replication, consistency, operational complexity, and the controls a multi-region system needs.

12 min read
TECHNOLOGY Progressive Delivery:Canaries, Blue-Green,and Feature Flags. A practical guide to progressivedelivery: canary releases, blue-green… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jun 5, 2026

Progressive Delivery: Canaries, Blue-Green, and Feature Flags

A practical guide to progressive delivery: canary releases, blue-green deployments, and feature flags, plus the metrics and automation that make rollouts safe.

12 min read
TECHNOLOGY Golden Paths: Pavingthe Road forDeveloperProductivity. What golden paths are and how they boostdeveloper productivity: paved defaults… GOLDENPATHS DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jun 5, 2026

Golden Paths: Paving the Road for Developer Productivity

What golden paths are and how they boost developer productivity: paved defaults, escape hatches, and the platform discipline that makes the right way the easy way.

12 min read
TECHNOLOGY The Platform Team'sFirst 90 Days: Whatto Build First. What a new platform engineering teamshould build in its first 90 days… PLATFORMTEAM DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jun 4, 2026

The Platform Team's First 90 Days: What to Build First

What a new platform engineering team should build in its first 90 days: sequencing, golden paths, and the foundations that earn adoption instead of resentment.

13 min read
TECHNOLOGY Landing Zones: GettingYour Cloud FoundationRight the First Time. What a cloud landing zone is and how toget the foundation right the first time… PLAN BUILD MEASURE IMPROVE LANDING
Insights · Jun 4, 2026

Landing Zones: Getting Your Cloud Foundation Right the First Time

What a cloud landing zone is and how to get the foundation right the first time: account structure, identity, networking, guardrails, and the controls a production landing zone needs.

12 min read
TECHNOLOGY Building a FeatureStore: Do YouActually Need One?. A practical look at feature stores: whatproblems they solve, when you actually… ARCHITECTURE SECURITY RELIABILITY COST BUILDINGFEATURE
Insights · Jun 4, 2026

Building a Feature Store: Do You Actually Need One?

A practical look at feature stores: what problems they solve, when you actually need one, the cost of building too early, and how to decide for your ML program.

13 min read
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