Logiciel Solutions Contact Us
Success Stories Tech News Investors 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.

45 essays
PRODUCT ENGINEERING A Buyer'S Guide toMonolith to ModularArchitecture. A Buyer's Guide to Monolith to modulararchitecture helps CTO / Head of AI… PEOPLE PROCESS PLATFORM PRACTICE BUYERMONOLITH
Insights ·

A Buyer'S Guide to Monolith to Modular Architecture

A Buyer's Guide to Monolith to modular architecture helps CTO / Head of AI leaders connect domain boundaries, dependency direction, module interfaces, data ownership, and extraction criteria to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING Feature FlagStrategy UnderAudit. Feature flag strategy Under Audit helpsVP Engineering / Head of Infrastructure… PEOPLE PROCESS PLATFORM PRACTICE FEATUREFLAG
Insights ·

Feature Flag Strategy Under Audit

Feature flag strategy Under Audit helps VP Engineering / Head of Infrastructure leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING What OnboardingEngineers Onto AISystems ActuallyCosts. The cost of ai-system engineeronboarding includes engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Onboarding Engineers Onto AI Systems Actually Costs

The cost of ai-system engineer onboarding includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING What Legacy SystemIntegration ActuallyCosts. The cost of legacy system integrationincludes engineering, controls… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

What Legacy System Integration Actually Costs

The cost of legacy system integration includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING Technical DueDiligence UnderAudit. Technical due diligence Under Audithelps CTO / VP Engineering leaders test… 01 Ad hoc 02 Managed 03 Defined 04 Optimized TECHNICAL DUE
Insights ·

Technical Due Diligence Under Audit

Technical due diligence Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING Monolith to ModularArchitecture UnderAudit. Monolith to modular architecture UnderAudit helps CTO / VP Engineering leaders… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights ·

Monolith to Modular Architecture Under Audit

Monolith to modular architecture Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guideto AI FeatureScoping. A Buyer's Guide to AI feature scopinghelps CTO / Head of AI leaders connect… 01 Scope 02 Build 03 Launch 04 Iterate
Insights ·

A Buyer'S Guide to AI Feature Scoping

A Buyer's Guide to AI feature scoping helps CTO / Head of AI leaders connect user decision, input boundary, model responsibility, human control, and evaluation criteria to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING What RoadmapSequencing for AIActually Costs. The cost of roadmap sequencing for aiincludes engineering, controls… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Roadmap Sequencing for AI Actually Costs

The cost of roadmap sequencing for ai includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING Build Versus BuyDecisions UnderAudit. Build versus buy decisions Under Audithelps CTO / VP Engineering leaders test… BUILD /BUYDECISIONS Build Best fit for your caseSimpler to operateLower switching cost Buy Decisions Added complexityHeavier toolingSteeper learning curve
Insights ·

Build Versus Buy Decisions Under Audit

Build versus buy decisions Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING RoadmapSequencing for AIUnder Audit. Roadmap sequencing for AI Under Audithelps CTO / VP Product leaders test… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights ·

Roadmap Sequencing for AI Under Audit

Roadmap sequencing for AI Under Audit helps CTO / VP Product leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING Technical DebtPortfolios UnderAudit. Technical debt portfolios Under Audithelps CTO / VP Engineering leaders test… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights ·

Technical Debt Portfolios Under Audit

Technical debt portfolios Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guide toRoadmap Sequencingfor AI. A Buyer's Guide to Roadmap sequencingfor AI helps CTO / Head of AI leaders… BUYERROADMAP DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

A Buyer'S Guide to Roadmap Sequencing for AI

A Buyer's Guide to Roadmap sequencing for AI helps CTO / Head of AI leaders connect risk inventory, evaluation baseline, data readiness, control maturity, and expansion gates to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING Legacy SystemIntegration UnderAudit. Legacy system integration Under Audithelps CTO / VP Engineering leaders test… PLAN BUILD MEASURE IMPROVE LEGACY
Insights ·

Legacy System Integration Under Audit

Legacy system integration Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guide toStrangler-FigMigration. A Buyer's Guide to Strangler-figmigration helps CTO / Head of AI leaders… 01 Pilot 02 Team 03 Org 04 Scale BUYER STRANGLER
Insights ·

A Buyer'S Guide to Strangler-Fig Migration

A Buyer's Guide to Strangler-fig migration helps CTO / Head of AI leaders connect capability boundary, traffic interception, data authority, dual-run validation, and decommission criteria to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING What Technical DueDiligence ActuallyCosts. The cost of technical due diligenceincludes engineering, controls… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Technical Due Diligence Actually Costs

The cost of technical due diligence includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING What AI FeatureScoping ActuallyCosts. AI feature scoping carries engineering,control, operating, change, recovery… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What AI Feature Scoping Actually Costs

AI feature scoping carries engineering, control, operating, change, recovery, and exit costs that enterprise teams must model before scaling in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING What Idempotency andRetries ActuallyCosts. The cost of idempotency and retriesincludes engineering, controls… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights ·

What Idempotency and Retries Actually Costs

The cost of idempotency and retries includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guide toLegacy SystemIntegration. A Buyer's Guide to Legacy systemintegration helps CTO / Head of AI… BUYERLEGACY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights ·

A Buyer'S Guide to Legacy System Integration

A Buyer's Guide to Legacy system integration helps CTO / Head of AI leaders connect system boundaries, business rules, interface strategy, data reconciliation, and cutover and fallback to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING What Build VersusBuy DecisionsActually Costs. The cost of build versus buy decisionsincludes engineering, controls… WHAT BUILD/ BUYDECISIONS What Build Best fit for your caseSimpler to operateLower switching cost Buy Decisions Added complexityHeavier toolingSteeper learning curve
Insights ·

What Build Versus Buy Decisions Actually Costs

The cost of build versus buy decisions includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guideto DiscoverySprints. A Buyer's Guide to Discovery sprintshelps CTO / Head of AI leaders connect… ARCHITECTURE SECURITY RELIABILITY COST BUYERDISCOVERY
Insights ·

A Buyer'S Guide to Discovery Sprints

A Buyer's Guide to Discovery sprints helps CTO / Head of AI leaders connect decision question, technical spike, user evidence, architecture constraints, and go/no-go output to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING What Technical DebtPortfolios ActuallyCosts. The cost of technical debt portfoliosincludes engineering, controls… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights ·

What Technical Debt Portfolios Actually Costs

The cost of technical debt portfolios includes engineering, controls, operations, change, recovery, and exit work that enterprise teams must keep funding. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING A Buyer'S Guideto Feature FlagStrategy. A Buyer's Guide to Feature flag strategyhelps VP Engineering / Head of… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights ·

A Buyer'S Guide to Feature Flag Strategy

A Buyer's Guide to Feature flag strategy helps VP Engineering / Head of Infrastructure leaders connect flag taxonomy, targeting, ownership, lifecycle, and failure behaviour to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

16 min read↗
PRODUCT ENGINEERING Onboarding EngineersOnto AI SystemsUnder Audit. Onboarding engineers onto AI systemsUnder Audit helps CTO / VP Engineering… MODEL DEPLOY MONITOR ITERATE ONBOARDING
Insights ·

Onboarding Engineers Onto AI Systems Under Audit

Onboarding engineers onto AI systems Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 min read↗
PRODUCT ENGINEERING Discovery SprintsUnder Audit. Discovery sprints Under Audit helps CTO/ VP Product leaders test controls… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights ·

Discovery Sprints Under Audit

Discovery sprints Under Audit helps CTO / VP Product leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

17 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.