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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.

1486 essays
TECHNOLOGY Platform Engineeringvs DevOps forTechnology & SaaS. Platform engineering is not DevOpsrenamed. DevOps is a way of working; a… PLATFORMENGINEERING/ DEVOPS Platform Engineering Best fit for your caseSimpler to operateLower switching cost DevOps Added complexityHeavier toolingSteeper learning curve
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Platform Engineering vs DevOps for Technology & SaaS

Platform engineering is not DevOps renamed. DevOps is a way of working; a platform is a product with users. The difference shows up in how you decide what to build.

INSIGHTS Self-HealingInfrastructure forTechnology & SaaS. Blanket restart automation quiets thepager and hides defects across thirty… 01 Discover 02 Prototype 03 Harden 04 Roll out
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Self-Healing Infrastructure for Technology & SaaS

Blanket restart automation quiets the pager and hides defects across thirty teams. Narrow, verified, rate-limited remediation loops fix known failures while keeping real problems visible.

TECHNOLOGY API Gateway Strategy inthe Agent Era forTechnology & SaaS. Agent traffic breaks the assumptionsyour gateway was built on. Separate… DESIGN SHIP OBSERVE REFINE API
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API Gateway Strategy in the Agent Era for Technology & SaaS

Agent traffic breaks the assumptions your gateway was built on. Separate north-south, east-west, and AI traffic deliberately, because they need different limits and different failure behavior.

TECHNOLOGY KubernetesMulti-Tenancy forTechnology & SaaS. Namespaces, vclusters, or separateclusters is a blast-radius decision, not… KUBERNETESMULTI DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
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Kubernetes Multi-Tenancy for Technology & SaaS

Namespaces, vclusters, or separate clusters is a blast-radius decision, not a cost decision. Pick the isolation your worst tenant justifies, and price the operational overhead honestly.

INSIGHTS AI Agents forInfrastructure forTechnology & SaaS. Infrastructure agents are moving fromsuggesting changes to making them. In a… 01 Scope 02 Build 03 Launch 04 Iterate
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AI Agents for Infrastructure for Technology & SaaS

Infrastructure agents are moving from suggesting changes to making them. In a multi-team SaaS org, what makes them safe is scope, permissions, and a blast-radius budget, not a better model.

TECHNOLOGY KubernetesMulti-Tenancy forFintech. In fintech, the isolation model has tosatisfy both blast radius and auditors… 01 Pilot 02 Team 03 Org 04 Scale KUBERNETES MULTI
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Kubernetes Multi-Tenancy for Fintech

In fintech, the isolation model has to satisfy both blast radius and auditors. Namespaces, vclusters, or separate clusters is a decision you must be able to justify in writing.

TECHNOLOGY Terraform Modulesfor Energy. In energy, a Terraform module is whereyour controls actually live. Narrow the… 01 Pilot 02 Team 03 Org 04 Scale TERRAFORM MODULES
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Terraform Modules for Energy

In energy, a Terraform module is where your controls actually live. Narrow the interface, put compliance in the defaults, and version it so evidence stays consistent.

INSIGHTS Kubernetes Operatorsfor Technology &SaaS. Operators are the right abstraction whena resource has real lifecycle logic that… 01 Ad hoc 02 Managed 03 Defined 04 Optimized KUBERNETES OPERATORS
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Kubernetes Operators for Technology & SaaS

Operators are the right abstraction when a resource has real lifecycle logic that many teams need. Most of the time a Helm chart is enough, and writing one anyway costs you a maintainer.

TECHNOLOGY Crossplane vsTerraform forTechnology & SaaS. Control plane or pipeline is the realquestion. Crossplane reconciles… CROSSPLANE/TERRAFORM Crossplane Best fit for your caseSimpler to operateLower switching cost Terraform Added complexityHeavier toolingSteeper learning curve
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Crossplane vs Terraform for Technology & SaaS

Control plane or pipeline is the real question. Crossplane reconciles continuously and suits self-service; Terraform plans deliberately and suits change review. Most SaaS orgs need both.

TECHNOLOGY FinOps Guardrailsfor Energy. Energy workloads carry long-lived dataand heavy compute. Make budgets and… DESIGN SHIP OBSERVE REFINE FINOPS
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FinOps Guardrails for Energy

Energy workloads carry long-lived data and heavy compute. Make budgets and retention platform primitives enforced at provisioning, so cost is a design decision rather than an annual surprise.

TECHNOLOGY API Gateway Strategyin the Agent Era forFintech. Agent traffic breaks rate limits builtfor humans and stresses idempotency on… APIGATEWAY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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API Gateway Strategy in the Agent Era for Fintech

Agent traffic breaks rate limits built for humans and stresses idempotency on payment APIs. Separate north-south, east-west, and agent paths, and make every retry safe.

TECHNOLOGY Terraform Modulesfor Technology &SaaS. A Terraform module is an API your wholeorg consumes. Design the interface for… PLAN BUILD MEASURE IMPROVE TERRAFORM
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Terraform Modules for Technology & SaaS

A Terraform module is an API your whole org consumes. Design the interface for the caller, version it properly, and stop exposing every provider argument as a variable.

TECHNOLOGY AI Agents forInfrastructurefor Energy. Agents that act on infrastructure arearriving in energy engineering. What… AI AGENTS DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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AI Agents for Infrastructure for Energy

Agents that act on infrastructure are arriving in energy engineering. What makes them safe near regulated and operational systems is scope, permissions, and a blast-radius budget, not model quality.

TECHNOLOGY IDP Build vs Buyfor Technology &SaaS. Buying a developer platform does notremove the work, it moves it. The… IDP BUILD/ BUY IDP Build Best fit for your caseSimpler to operateLower switching cost Buy Added complexityHeavier toolingSteeper learning curve
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IDP Build vs Buy for Technology & SaaS

Buying a developer platform does not remove the work, it moves it. The integration, golden paths, and ownership are yours either way. Budget for the part nobody puts on the slide.

TECHNOLOGY Developer ExperienceMetrics forTechnology & SaaS. Telemetry tells you what happened;surveys tell you what it felt like… 01 Pilot 02 Team 03 Org 04 Scale DEVELOPER EXPERIENCE
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Developer Experience Metrics for Technology & SaaS

Telemetry tells you what happened; surveys tell you what it felt like. Measure both, never rank teams with them, and watch the friction metrics that actually predict retention.

INSIGHTS Self-HealingInfrastructurefor Energy. Self-healing infrastructure in energyearns trust one narrow remediation at a… SELFHEALING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Self-Healing Infrastructure for Energy

Self-healing infrastructure in energy earns trust one narrow remediation at a time. Start with the failures you already fix the same way every time, and never let automation hide a real problem.

TECHNOLOGY FinOps Guardrailsfor Retail. Retail spend is seasonal, so annual costtargets hide the real problem: capacity… ASSESS ADOPT OPTIMIZE GOVERN
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FinOps Guardrails for Retail

Retail spend is seasonal, so annual cost targets hide the real problem: capacity provisioned for peak that never comes back down. Make scale-down a guardrail, not an intention.

TECHNOLOGY FinOps Guardrailsfor Technology &SaaS. Monthly cost reviews find waste sixweeks after it started. Make budgets a… 01 Assess 02 Design 03 Ship 04 Operate
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FinOps Guardrails for Technology & SaaS

Monthly cost reviews find waste six weeks after it started. Make budgets a platform primitive enforced at provisioning, so thirty teams cannot create spend nobody approved.

TECHNOLOGY AI Meets PlatformEngineering forEnergy. AI assistants on the energy developerplatform are now expected. The value is… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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AI Meets Platform Engineering for Energy

AI assistants on the energy developer platform are now expected. The value is grounding them in your real systems, standards, and OT boundaries, not a generic chatbot that guesses about regulated infrastructure.

TECHNOLOGY IDP Build vs Buyfor Fintech. In fintech the build vs buy questionincludes controls and evidence. Buying… IDP BUILD/ BUY IDP Build Best fit for your caseSimpler to operateLower switching cost Buy Added complexityHeavier toolingSteeper learning curve
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IDP Build vs Buy for Fintech

In fintech the build vs buy question includes controls and evidence. Buying the portal is usually right; the golden paths, approvals, and audit trail are always yours to build.

TECHNOLOGY IDP Build vs Buyfor Retail. Retail engineering runs on a seasonalclock. Buy the portal, build the golden… IDP BUILD/ BUY IDP Build Best fit for your caseSimpler to operateLower switching cost Buy Added complexityHeavier toolingSteeper learning curve
Insights ·

IDP Build vs Buy for Retail

Retail engineering runs on a seasonal clock. Buy the portal, build the golden paths, and time the whole programme so nothing lands near peak trading.

INSIGHTS Self-HealingInfrastructurefor Fintech. In fintech, automated remediation has tofix the symptom without hiding the… DESIGN SHIP OBSERVE REFINE SELF
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Self-Healing Infrastructure for Fintech

In fintech, automated remediation has to fix the symptom without hiding the defect or breaking the audit trail. Narrow, verified, rate-limited loops are what earn trust here.

TECHNOLOGY Self-ServiceInfrastructurefor Fintech. In fintech, self-service can't mean afree-for-all. Guardrails must enforce… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 SELF SERVICE
Insights · Aug 13, 2026

Self-Service Infrastructure for Fintech

In fintech, self-service can't mean a free-for-all. Guardrails must enforce compliance and security at provision time, so teams move fast without creating regulatory risk.

13 min read
TECHNOLOGY Self-ServiceInfrastructure forTechnology & SaaS. In a fast-scaling SaaS org, a platformteam approving every provision is the… SELFSERVICE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Aug 13, 2026

Self-Service Infrastructure for Technology & SaaS

In a fast-scaling SaaS org, a platform team approving every provision is the bottleneck. Self-service with guardrails lets product teams move at their own speed, safely.

14 min read
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