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.

1314 essays
TECHNOLOGY Event-DrivenArchitecture forHospitality. A booking made should updateavailability, housekeeping, revenue… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 22, 2026

Event-Driven Architecture for Hospitality

A booking made should update availability, housekeeping, revenue, loyalty, and the channel managers at once. Event-driven architecture keeps hospitality systems in sync without a fragile chain of…

14 min read
TECHNOLOGY Event-DrivenArchitecture forFintech. A payment authorized should triggerledger, fraud scoring, notifications… STRATEGY DELIVERY GOVERNANCE SCALE EVENTDRIVEN
Insights · Jul 22, 2026

Event-Driven Architecture for Fintech

A payment authorized should trigger ledger, fraud scoring, notifications, and reconciliation without a fragile chain of calls. How event-driven architecture keeps fintech flows consistent and…

14 min read
TECHNOLOGY Event-DrivenArchitecture forEnergy. Meter readings, grid telemetry, andoutage signals arrive constantly and out… DISCOVERY DESIGN DELIVERY SCALE
Insights · Jul 22, 2026

Event-Driven Architecture for Energy

Meter readings, grid telemetry, and outage signals arrive constantly and out of order. Event-driven architecture lets energy systems react to what happened without a brittle chain of calls.

14 min read
TECHNOLOGY Event-DrivenArchitecture forRetail. When one order placed should triggerinventory, fulfillment, loyalty, and… STRATEGY DELIVERY GOVERNANCE SCALE EVENTDRIVEN
Insights · Jul 22, 2026

Event-Driven Architecture for Retail

When one order placed should trigger inventory, fulfillment, loyalty, and analytics, event-driven architecture beats a chain of direct calls. How events keep retail workloads decoupled at peak.

14 min read
TECHNOLOGY API-FirstDevelopment forReal Estate. Why API-first is the precondition for areal estate platform where portals… 01 Pilot 02 Team 03 Org 04 Scale API FIRST
Insights · Jul 22, 2026

API-First Development for Real Estate

Why API-first is the precondition for a real estate platform where portals, listing feeds, and AI agents consume your data. Designing the contract first for reliable syndication.

13 min read
TECHNOLOGY API-FirstDevelopment forFintech. Why API-first is the precondition for afintech platform where partners, open… PEOPLE PROCESS PLATFORM PRACTICE API FIRST
Insights · Jul 22, 2026

API-First Development for Fintech

Why API-first is the precondition for a fintech platform where partners, open banking, and AI agents depend on a stable, secure, auditable contract. Designing the contract before the code.

13 min read
TECHNOLOGY API-FirstDevelopment forTechnology & SaaS. Why API-first is the precondition for aSaaS platform that partners and AI… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 22, 2026

API-First Development for Technology & SaaS

Why API-first is the precondition for a SaaS platform that partners and AI agents can build on. Designing the contract first so integrations and the ecosystem rely on a stable surface.

13 min read
TECHNOLOGY Mobile App ModernizationWithout Losing YourUsers for Healthcare. How healthcare teams modernize an agingpatient app without breaking trust or… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 22, 2026

Mobile App Modernization Without Losing Your Users for Healthcare

How healthcare teams modernize an aging patient app without breaking trust or care. Assess honestly, migrate incrementally, roll out gradually, and protect the experience and reliability.

13 min read
TECHNOLOGY Mobile App ModernizationWithout Losing YourUsers for Hospitality. How hospitality teams modernize an agingbooking app without breaking guest… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 21, 2026

Mobile App Modernization Without Losing Your Users for Hospitality

How hospitality teams modernize an aging booking app without breaking guest trust. Assess honestly, migrate incrementally, roll out gradually, and protect the experience around the clock.

13 min read
TECHNOLOGY Mobile App ModernizationWithout Losing YourUsers for Retail. How retail teams modernize an agingshopping app without hurting conversion… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 21, 2026

Mobile App Modernization Without Losing Your Users for Retail

How retail teams modernize an aging shopping app without hurting conversion. Assess honestly, migrate incrementally, roll out gradually, and protect the experience through peak.

13 min read
TECHNOLOGY Rewrite vsRefactor forFintech. The rewrite-versus-refactor decision forfintech, where the code encodes money… REWRITE /REFACTOR Rewrite Best fit for your caseSimpler to operateLower switching cost Refactor Added complexityHeavier toolingSteeper learning curve
Insights · Jul 21, 2026

Rewrite vs Refactor for Fintech

The rewrite-versus-refactor decision for fintech, where the code encodes money logic and compliance you cannot afford to lose. A framework weighing embedded value, rewrite cost, and refactoring.

14 min read
TECHNOLOGY Rewrite vs Refactorfor Technology &SaaS. The rewrite-versus-refactor decision forSaaS, where you cannot take the product… REWRITE /REFACTOR Rewrite Best fit for your caseSimpler to operateLower switching cost Refactor Added complexityHeavier toolingSteeper learning curve
Insights · Jul 21, 2026

Rewrite vs Refactor for Technology & SaaS

The rewrite-versus-refactor decision for SaaS, where you cannot take the product down and every tenant is live. A framework weighing embedded value, rewrite cost, and the refactor path.

13 min read
TECHNOLOGY Technical DebtManagement forRetail. How retail teams treat tech debt as aportfolio, paying down the debt that… STRATEGY DELIVERY GOVERNANCE SCALE TECHNICALDEBT
Insights · Jul 21, 2026

Technical Debt Management for Retail

How retail teams treat tech debt as a portfolio, paying down the debt that threatens peak-season reliability and conversion, and carrying the cheap debt deliberately.

13 min read
TECHNOLOGY Technical DebtManagement forTechnology & SaaS. How SaaS teams treat tech debt as aportfolio, paying down the debt that… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
Insights · Jul 21, 2026

Technical Debt Management for Technology & SaaS

How SaaS teams treat tech debt as a portfolio, paying down the debt that drags velocity and margin across a shared codebase and carrying the cheap debt deliberately.

13 min read
TECHNOLOGY AI-Powered CodeModernization forRetail. How retail teams use AI to migratelegacy commerce code without changing… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 21, 2026

AI-Powered Code Modernization for Retail

How retail teams use AI to migrate legacy commerce code without changing the pricing and promotion logic. Capture behavior, migrate incrementally, and prove equivalence before peak.

12 min read
TECHNOLOGY AI-Powered CodeModernization forEnergy. How energy teams use AI to migratelegacy operational code without changing… 01 Ad hoc 02 Managed 03 Defined 04 Optimized AI POWERED
Insights · Jul 21, 2026

AI-Powered Code Modernization for Energy

How energy teams use AI to migrate legacy operational code without changing behavior that runs the grid. Capture behavior, migrate incrementally, and prove equivalence safely.

12 min read
TECHNOLOGY AI-Powered CodeModernization forHealthcare. How healthcare teams use AI to migratelegacy code without changing clinical… DESIGN SHIP OBSERVE REFINE AI
Insights · Jul 21, 2026

AI-Powered Code Modernization for Healthcare

How healthcare teams use AI to migrate legacy code without changing clinical logic. Capture behavior, migrate incrementally, and prove equivalence for safety and compliance.

12 min read
TECHNOLOGY AI-Powered CodeModernization forFintech. How fintech teams use AI to migratelegacy code without changing the money… AI POWERED DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 21, 2026

AI-Powered Code Modernization for Fintech

How fintech teams use AI to migrate legacy code without changing the money logic. Capture behavior, migrate incrementally, and prove equivalence for correctness and compliance.

12 min read
TECHNOLOGY The AI-Era SDLCfor Energy. AI does not just speed up coding inenergy; it reweights the whole lifecycle… MODEL DEPLOY MONITOR ITERATE AI
Insights · Jul 21, 2026

The AI-Era SDLC for Energy

AI does not just speed up coding in energy; it reweights the whole lifecycle toward verification and operational safety. What changes in plan, spec, generate, verify, ship, and operate.

13 min read
TECHNOLOGY The AI-Era SDLCfor Healthcare. AI does not just speed up coding inhealthcare; it reweights the whole… DESIGN SHIP OBSERVE REFINE AI
Insights · Jul 21, 2026

The AI-Era SDLC for Healthcare

AI does not just speed up coding in healthcare; it reweights the whole lifecycle toward verification, safety, and compliance. What changes in plan, spec, generate, verify, ship, and operate.

12 min read
TECHNOLOGY The AI-Era SDLCfor Technology &SaaS. AI does not just speed up coding inSaaS; it reweights the whole lifecycle… PLAN BUILD MEASURE IMPROVE AI
Insights · Jul 21, 2026

The AI-Era SDLC for Technology & SaaS

AI does not just speed up coding in SaaS; it reweights the whole lifecycle. What changes in plan, spec, generate, verify, ship, and operate for a multi-tenant product that ships constantly.

12 min read
TECHNOLOGY AI Pair Programmingfor Technology &SaaS. What senior SaaS engineers delegate toan AI pair and what they never do. A… AI PAIR DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 21, 2026

AI Pair Programming for Technology & SaaS

What senior SaaS engineers delegate to an AI pair and what they never do. A division of labor that keeps multi-tenant architecture and quality decisions in expert hands.

13 min read
TECHNOLOGY AI Code Review atScale for Fintech. When AI writes half the diff in fintech,review breaks, and a missed defect is… PLAN BUILD MEASURE IMPROVE AI
Insights · Jul 21, 2026

AI Code Review at Scale for Fintech

When AI writes half the diff in fintech, review breaks, and a missed defect is real money. How to layer automation, AI triage, and human sign-off so quality and compliance hold.

13 min read
TECHNOLOGY AI Code Review atScale for Technology& SaaS. When AI writes half the diff in a sharedSaaS codebase, review breaks. How to… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 21, 2026

AI Code Review at Scale for Technology & SaaS

When AI writes half the diff in a shared SaaS codebase, review breaks. How to layer automation, AI triage, and human gates so quality holds across every tenant.

13 min read
No essays match your search.
Newsletter

Production AI essays, in your inbox.

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.