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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.

1314 essays
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
TECHNOLOGY CardinalityExplosions and OtherSilent PipelineKillers. The silent failure modes that quietlykill data pipelines, cardinality… MODEL DEPLOY MONITOR ITERATE CARDINALI…
Insights · Jun 4, 2026

Cardinality Explosions and Other Silent Pipeline Killers

The silent failure modes that quietly kill data pipelines, cardinality explosions, skew, fan-out joins, and how to detect and prevent them before they blow up cost and latency.

13 min read
TECHNOLOGY The On-Call DataEngineer: Runbooks for 3AM Pipeline Failures. How to build an on-call practice fordata engineering: runbooks, alerting… PLAN BUILD MEASURE IMPROVE CALL
Insights · Jun 4, 2026

The On-Call Data Engineer: Runbooks for 3 AM Pipeline Failures

How to build an on-call practice for data engineering: runbooks, alerting, escalation, and the operating model that turns 3 AM pipeline failures into routine recoveries.

13 min read
TECHNOLOGY Data Pipeline Testing:Unit, Integration, andContract Tests. How to test data pipelines properly withunit, integration, and contract tests… DESIGN SHIP OBSERVE REFINE DATA
Insights · Jun 4, 2026

Data Pipeline Testing: Unit, Integration, and Contract Tests

How to test data pipelines properly with unit, integration, and contract tests, plus data quality checks, so bad data is caught before it reaches dashboards and models.

13 min read
TECHNOLOGY Streaming vs.Micro-Batch:Choosing YourLatency Tier. A framework for choosing betweenstreaming and micro-batch data… STREAMING/MICRO-BATCH… Streaming Best fit for your caseSimpler to operateLower switching cost Micro-Batch: Choosing Added complexityHeavier toolingSteeper learning curve
Insights · Jun 4, 2026

Streaming vs. Micro-Batch: Choosing Your Latency Tier

A framework for choosing between streaming and micro-batch data processing: latency tiers, cost, complexity, and the controls each production pipeline needs.

13 min read
TECHNOLOGY Partition Pruningand the Art of theFast Query. How partition pruning, clustering, andfile layout turn slow, expensive… PARTITIONPRUNING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jun 4, 2026

Partition Pruning and the Art of the Fast Query

How partition pruning, clustering, and file layout turn slow, expensive warehouse queries into fast ones, with the design patterns and controls a production data platform needs.

13 min read
TECHNOLOGY Building a DataCatalog PeopleActually Use. Why most data catalogs go unused and howto build one people actually rely on… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jun 4, 2026

Building a Data Catalog People Actually Use

Why most data catalogs go unused and how to build one people actually rely on: adoption-first design, ownership, lineage, and the workflows that keep it current.

13 min read
TECHNOLOGY The Semantic Layer:One Definition ofRevenue, Finally. Learn how a semantic layer gives anenterprise one governed definition of… DESIGN SHIP OBSERVE REFINE SEMANTIC
Insights · Jun 4, 2026

The Semantic Layer: One Definition of Revenue, Finally

Learn how a semantic layer gives an enterprise one governed definition of revenue and every other metric: architecture, governance, and the controls a production deployment needs.

13 min read
TECHNOLOGY Cloud-NativeRefactoring: WhenLift-and-Shift StopsWorking. Lift-and-shift cloud migrations save theinitial migration cost and accumulate… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 28, 2026

Cloud-Native Refactoring: When Lift-and-Shift Stops Working

Lift-and-shift cloud migrations save the initial migration cost and accumulate technical debt that becomes refactoring cost later. The trigger to refactor is recognizable. Here is the practitioner…

8 min read
TECHNOLOGY Internal DeveloperPlatforms: Build-OutPatterns for EngineeringOrgs. Internal Developer Platforms pay off atspecific organizational sizes and fail… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · May 28, 2026

Internal Developer Platforms: Build-Out Patterns for Engineering Orgs

Internal Developer Platforms pay off at specific organizational sizes and fail at others. The buildout that works has identifiable phases. Here is the practitioner reference for when to start and…

8 min read
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