Logiciel Contact Us
Success Stories Tech News Contact Us

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 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
TECHNOLOGY Real Estate UnderwritingAI: Models forCommercial InvestmentDecisions. Real estate underwriting AI has maturedfor commercial investment decisions. The… PLAN BUILD MEASURE IMPROVE REAL
Insights · May 27, 2026

Real Estate Underwriting AI: Models for Commercial Investment Decisions

Real estate underwriting AI has matured for commercial investment decisions. The patterns reflect the data and the analytical workflows. Here is the 2026 reference.

8 min read
TECHNOLOGY Smart Building DataArchitecture: FromSensors to OperationalInsight. Smart building data architectures havespecific properties that distinguish… 01 Pilot 02 Team 03 Org 04 Scale SMART BUILDING
Insights · May 27, 2026

Smart Building Data Architecture: From Sensors to Operational Insight

Smart building data architectures have specific properties that distinguish them from generic IoT platforms. The patterns reflect building operational reality. Here is the 2026 reference.

8 min read
TECHNOLOGY AI in PropertyManagement: MaintenanceTriage and VendorCoordination. AI in property management has shippedmost successfully in maintenance triage… PEOPLE PROCESS PLATFORM PRACTICE AI PROPERTY
Insights · May 27, 2026

AI in Property Management: Maintenance Triage and Vendor Coordination

AI in property management has shipped most successfully in maintenance triage and vendor coordination. The patterns reduce operational cost and improve resident experience. Here is the 2026 reference.

7 min read
TECHNOLOGY Real Estate LeadScoring: Models ThatBeat Round-Robin WithoutBias. Real estate lead scoring AI has tooutperform round-robin assignment… REALESTATE DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · May 27, 2026

Real Estate Lead Scoring: Models That Beat Round-Robin Without Bias

Real estate lead scoring AI has to outperform round-robin assignment without creating fair housing problems. The patterns that work in 2026 have specific properties. Here is the reference.

8 min read
TECHNOLOGY Demand Response AI: FromDay-Ahead Forecasts toReal-Time Curtailment. Demand response AI has moved beyondsimple peak forecasting. The patterns… STRATEGY DELIVERY GOVERNANCE SCALE DEMANDRESPONSE
Insights · May 27, 2026

Demand Response AI: From Day-Ahead Forecasts to Real-Time Curtailment

Demand response AI has moved beyond simple peak forecasting. The patterns span day-ahead planning through real-time dispatch. Here is the 2026 reference for what works.

8 min read
TECHNOLOGY Grid Edge Computing:Where Inference Happensat the Substation. Grid edge computing has matured into acategory with specific deployment… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 27, 2026

Grid Edge Computing: Where Inference Happens at the Substation

Grid edge computing has matured into a category with specific deployment patterns. The substation is increasingly where AI inference happens. Here is the 2026 reference.

8 min read
TECHNOLOGY EV Charging Network AI:Pricing, Load Balancing,and Grid Coordination. EV charging networks have grown intomajor grid loads requiring AI for… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · May 27, 2026

EV Charging Network AI: Pricing, Load Balancing, and Grid Coordination

EV charging networks have grown into major grid loads requiring AI for pricing, load balancing, and grid coordination. The patterns have specific properties. Here is the 2026 reference.

8 min read
TECHNOLOGY Energy StorageOptimization: AI forBattery Dispatch andDegradation. Energy storage optimization combinesdispatch decisions with degradation… MODEL DEPLOY MONITOR ITERATE ENERGY
Insights · May 27, 2026

Energy Storage Optimization: AI for Battery Dispatch and Degradation

Energy storage optimization combines dispatch decisions with degradation management. AI handles both. Here is the 2026 reference for what works.

8 min read
TECHNOLOGY Smart Meter Analytics atScale: Patterns for AMIData Platforms. Smart meter analytics at scale requiresspecific data platform patterns. The… PEOPLE PROCESS PLATFORM PRACTICE SMART METER
Insights · May 27, 2026

Smart Meter Analytics at Scale: Patterns for AMI Data Platforms

Smart meter analytics at scale requires specific data platform patterns. The patterns reflect both the data volume and the utility operational requirements. Here is the 2026 reference.

8 min read
TECHNOLOGY Wildfire and Weather AIfor Utilities: RiskModels in Production. Wildfire and weather AI has becomeoperational reality for utilities in… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · May 27, 2026

Wildfire and Weather AI for Utilities: Risk Models in Production

Wildfire and weather AI has become operational reality for utilities in fire-prone regions. The risk models are in production rather than research. Here is the 2026 reference.

8 min read
TECHNOLOGY AI for Energy EfficiencyPrograms: Targeting,Measurement, andVerification. AI in energy efficiency programs hasmatured across targeting, measurement… PLAN BUILD MEASURE IMPROVE AI
Insights · May 27, 2026

AI for Energy Efficiency Programs: Targeting, Measurement, and Verification

AI in energy efficiency programs has matured across targeting, measurement, and verification. The patterns affect program design and operations. Here is the 2026 reference.

8 min read
TECHNOLOGY Renewable GenerationForecasting: Solar,Wind, and the Mix. Renewable generation forecasting hasmatured into a production AI category… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · May 27, 2026

Renewable Generation Forecasting: Solar, Wind, and the Mix

Renewable generation forecasting has matured into a production AI category supporting grid operations. The patterns differ by resource type and by use case. Here is the 2026 reference.

8 min read
TECHNOLOGY AI for OutageManagement: Prediction,Restoration, andCommunication. AI in outage management spansprediction, restoration optimization… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 27, 2026

AI for Outage Management: Prediction, Restoration, and Communication

AI in outage management spans prediction, restoration optimization, and customer communication. The patterns have matured into operational reality. Here is the 2026 reference.

8 min read
TECHNOLOGY Energy CustomerAnalytics: From BillAnomalies to ProgramTargeting. Energy customer analytics has maturedbeyond billing into broader customer… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 ENERGY CUSTOMER
Insights · May 27, 2026

Energy Customer Analytics: From Bill Anomalies to Program Targeting

Energy customer analytics has matured beyond billing into broader customer insight. The patterns affect customer service, program design, and revenue protection. Here is the 2026 reference.

7 min read
TECHNOLOGY PropTech Integrations:MLS, CRM, Payment, andthe Tax of Many Vendors. PropTech platforms integrate with manysystems: MLS, CRM, payment, accounting… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · May 27, 2026

PropTech Integrations: MLS, CRM, Payment, and the Tax of Many Vendors

PropTech platforms integrate with many systems: MLS, CRM, payment, accounting, marketing. The integration tax is real. Here is the 2026 reference for managing it.

9 min read
No essays match your search.
Newsletter

Every build teaches us something. We write it down.

One long-form essay every other Wednesday. Written by the engineers shipping production AI for our clients, not by a content team. No promotional emails. Unsubscribe in one click.

8,400+ technology leaders subscribed
Open rate: 41% (industry average is 21%)
Read by CTOs at scaling proptech, payers, healthtech
No spam. No selling your address. One-click unsubscribe.