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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.

1373 essays
TECHNOLOGY API Gateway Strategyin the Agent Era forRetail. Shopping agents look like scrapers to agateway built for humans. Separate… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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API Gateway Strategy in the Agent Era for Retail

Shopping agents look like scrapers to a gateway built for humans. Separate north-south, east-west, and agent traffic, and decide which machine clients you actually want before peak.

TECHNOLOGY Data Fabric forHealthcare. Data fabric is architecture; data meshis an operating model. In healthcare the… 01 Ad hoc 02 Managed 03 Defined 04 Optimized DATA FABRIC
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Data Fabric for Healthcare

Data fabric is architecture; data mesh is an operating model. In healthcare the fabric carries your consent and access controls, which is why it comes first.

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.

TECHNOLOGY dbt at Scalefor Fintech. In fintech, analytics code ischange-controlled code. Tests must… ASSESS ADOPT OPTIMIZE GOVERN
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dbt at Scale for Fintech

In fintech, analytics code is change-controlled code. Tests must assert reconciliation, CI must produce evidence, and every model needs an owner who can be named to an auditor.

TECHNOLOGY Apache Icebergfor Fintech. Iceberg gives financial data estatesas-of reproducibility and… PLAN BUILD MEASURE IMPROVE APACHE
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Apache Iceberg for Fintech

Iceberg gives financial data estates as-of reproducibility and non-destructive corrections. Set snapshot retention from your evidential requirements, not from a default.

TECHNOLOGY dbt at Scale forTechnology & SaaS. Model sprawl is a symptom of missingownership, not missing standards. Fix it… 01 Scope 02 Build 03 Launch 04 Iterate
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dbt at Scale for Technology & SaaS

Model sprawl is a symptom of missing ownership, not missing standards. Fix it with owned layers, tests that assert business rules, and CI that runs only what changed.

TECHNOLOGY Real-Time CustomerData for Technology& SaaS. Real-Time Customer Data helps SaaS teamsconnect product event streams, in-app… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Real-Time Customer Data for Technology & SaaS

Real-Time Customer Data helps SaaS teams connect product event streams, in-app profile updates, decision latency, consent, and fallback behaviour to the moments a user is still in the session. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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.

TECHNOLOGY Data Productsfor Fintech. In fintech a data product needs anowner, a contract, and a stated position… 01 Pilot 02 Team 03 Org 04 Scale DATA PRODUCTS
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Data Products for Fintech

In fintech a data product needs an owner, a contract, and a stated position on point-in-time correctness. A dataset that silently restates history will fail an audit and a model at once.

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.

TECHNOLOGY Data Quality SLAsfor Healthcare. Data Quality SLAs help healthcare teamsconnect freshness, completeness… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 DATA QUALITY
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Data Quality SLAs for Healthcare

Data Quality SLAs help healthcare teams connect freshness, completeness, accuracy, ownership, breach response, and clinical consumer expectations to the decisions the data actually supports. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

TECHNOLOGY Delta Lake vsIceberg forEnergy. For long-lived energy estates, choosethe format on engine independence and… DELTA LAKE/ ICEBERG Delta Lake Best fit for your caseSimpler to operateLower switching cost Iceberg Added complexityHeavier toolingSteeper learning curve
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Delta Lake vs Iceberg for Energy

For long-lived energy estates, choose the format on engine independence and exit cost. Your data will outlast the vendor relationship you are about to enter.

TECHNOLOGY Streaming vsBatch for Retail. Inventory availability needs seconds.Merchandising analysis needs a nightly… STREAMING/ BATCH Streaming Best fit for your caseSimpler to operateLower switching cost Batch Added complexityHeavier toolingSteeper learning curve
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Streaming vs Batch for Retail

Inventory availability needs seconds. Merchandising analysis needs a nightly run. Choose by decision deadline, and remember that streaming complexity has to survive peak.

TECHNOLOGY Reverse ETL forHospitality. Reverse ETL puts guest insight into thesystems staff use at the desk. The risk… 01 Pilot 02 Team 03 Org 04 Scale REVERSE ETL
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Reverse ETL for Hospitality

Reverse ETL puts guest insight into the systems staff use at the desk. The risk is that stale or wrong data reaches a person standing in front of a guest.

TECHNOLOGY Data Quality SLAsfor Energy. Data Quality SLAs help energy teamsconnect freshness, completeness… ASSESS ADOPT OPTIMIZE GOVERN
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Data Quality SLAs for Energy

Data Quality SLAs help energy teams connect freshness, completeness, accuracy, ownership, breach response, and consumer expectations to the decisions the data actually drives. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

TECHNOLOGY Data Productsfor Retail. A dataset becomes a data product when ithas an owner, an SLA, and someone who… PLAN BUILD MEASURE IMPROVE DATA
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Data Products for Retail

A dataset becomes a data product when it has an owner, an SLA, and someone who would complain if it broke. Without those three, you have a table with a nice name.

TECHNOLOGY AI Data Catalogsfor Technology &SaaS. AI Data Catalogs help SaaS data teamsconnect automated harvesting, generated… 01 Scope 02 Build 03 Launch 04 Iterate
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AI Data Catalogs for Technology & SaaS

AI Data Catalogs help SaaS data teams connect automated harvesting, generated descriptions, ownership surfacing, duplicate detection, and usage signals to the question analysts across many teams actually ask. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

TECHNOLOGY Schema Evolutionfor Fintech. Schema Evolution helps fintech datateams connect additive change… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Schema Evolution for Fintech

Schema Evolution helps fintech data teams connect additive change, versioning, deprecation windows, restatement of history, contract testing, and regulated consumers to the systems a change can break. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

TECHNOLOGY Master DataManagement forRetail. Master Data Management helps retailteams connect product hierarchy… 01 Pilot 02 Team 03 Org 04 Scale MASTER DATA
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Master Data Management for Retail

Master Data Management helps retail teams connect product hierarchy, supplier records, location data, survivorship rules, stewardship, and downstream consumers to the decisions that break when definitions disagree. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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 Data Monetizationfor Real Estate. Property data looks easy to monetizeuntil you check who owns it. Provenance… PLAN BUILD MEASURE IMPROVE DATA
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Data Monetization for Real Estate

Property data looks easy to monetize until you check who owns it. Provenance and licensing terms decide feasibility long before the pipeline does.

TECHNOLOGY Apache Icebergfor Technology &SaaS. Iceberg earns its place through schemaevolution, time travel, and engine… MODEL DEPLOY MONITOR ITERATE APACHE
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Apache Iceberg for Technology & SaaS

Iceberg earns its place through schema evolution, time travel, and engine independence. Adopt it for a workload problem you actually have, not to settle a format debate.

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