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 AccessibilityTesting forRetail. Accessibility Testing helps retail teamsverify that people with different… STRATEGY DELIVERY GOVERNANCE SCALE ACCESSIBILITYTESTING
Insights · Jul 31, 2026

Accessibility Testing for Retail

Accessibility Testing helps retail teams verify that people with different abilities can perceive, navigate, understand, and complete critical journeys. Learn the 2026 operating model, components,…

15 min read
TECHNOLOGY AI-Native ProductDevelopment forEnergy. An AI-native energy product treatsintelligence as a core layer, grounded… ASSESS ADOPT OPTIMIZE GOVERN
Insights · Jul 31, 2026

AI-Native Product Development for Energy

An AI-native energy product treats intelligence as a core layer, grounded in grid and telemetry data with operational safety designed in, not an AI feature bolted onto a monitoring tool. What that…

15 min read
TECHNOLOGY AI-Native ProductDevelopment forFintech. An AI-native fintech product treatsintelligence as a core layer, grounded… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 AI NATIVE
Insights · Jul 31, 2026

AI-Native Product Development for Fintech

An AI-native fintech product treats intelligence as a core layer, grounded in real financial data with compliance and trust designed in, not an AI feature bolted onto a legacy money system. What…

14 min read
TECHNOLOGY AI-Native ProductDevelopment for RealEstate. An AI-native real estate product treatsintelligence as a core layer, grounded… AI NATIVE DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 31, 2026

AI-Native Product Development for Real Estate

An AI-native real estate product treats intelligence as a core layer, grounded in property and market data, not an AI feature bolted onto a listings platform. What that means and how to build it.

14 min read
TECHNOLOGY AI RegressionTesting forFintech. In fintech, a prompt or model change cansilently regress money-related AI… AIREGRESSION DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 31, 2026

AI Regression Testing for Fintech

In fintech, a prompt or model change can silently regress money-related AI behavior with no code diff to warn you. AI regression testing catches it with evaluation sets before it reaches customers.

15 min read
TECHNOLOGY AI RegressionTesting forTechnology & SaaS. When you change a prompt, model, orretrieval, AI behavior can silently… DESIGN SHIP OBSERVE REFINE AI
Insights · Jul 31, 2026

AI Regression Testing for Technology & SaaS

When you change a prompt, model, or retrieval, AI behavior can silently regress on cases it used to handle. AI regression testing catches that with evaluation sets, not diffs. How to stop silent…

15 min read
TECHNOLOGY API TestingAutomation forFintech. API Testing Automation helps fintechteams verify API behavior, contracts… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 31, 2026

API Testing Automation for Fintech

API Testing Automation helps fintech teams verify API behavior, contracts, security, data effects, and failure handling quickly enough to protect continuous delivery. Learn the 2026 operating…

15 min read
TECHNOLOGY API TestingAutomation forTechnology & SaaS. API Testing Automation helps SaaS teamsverify API behavior, contracts… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
Insights · Jul 31, 2026

API Testing Automation for Technology & SaaS

API Testing Automation helps SaaS teams verify API behavior, contracts, security, data effects, and failure handling quickly enough to protect continuous delivery. Learn the 2026 operating model,…

15 min read
TECHNOLOGY Backstage.io inProduction: AdoptionLessons and Pitfalls. Backstage gives you a developer portalframework, not a finished product. Teams… DISCOVERY DESIGN DELIVERY SCALE
Insights · Jul 31, 2026

Backstage.io in Production: Adoption Lessons and Pitfalls

Backstage gives you a developer portal framework, not a finished product. Teams that treat it as install-and-done stall. What real Backstage adoption takes, and the pitfalls that sink it.

14 min read
TECHNOLOGY Canary Releasesfor Technology &SaaS. A canary release exposes a change to asmall slice of traffic first, but a… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
Insights · Jul 31, 2026

Canary Releases for Technology & SaaS

A canary release exposes a change to a small slice of traffic first, but a canary you do not watch or auto-roll-back is just a slow full release. What makes a canary actually protect you.

14 min read
TECHNOLOGY Contract Testingfor Fintech. Contract Testing helps fintech teamsverify that services, applications, and… CONTRACTTESTING DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 31, 2026

Contract Testing for Fintech

Contract Testing helps fintech teams verify that services, applications, and partners agree on requests, responses, events, errors, and compatibility before shared integration. Learn the 2026…

15 min read
TECHNOLOGY Contract Testingfor Technology &SaaS. Contract Testing helps SaaS teams verifythat services, applications, and… 01 Scope 02 Build 03 Launch 04 Iterate
Insights · Jul 31, 2026

Contract Testing for Technology & SaaS

Contract Testing helps SaaS teams verify that services, applications, and partners agree on requests, responses, events, errors, and compatibility before shared integration. Learn the 2026…

15 min read
TECHNOLOGY E2E TestAutomation forRetail. E2E Test Automation helps retail teamsprotect a small set of critical customer… E2E TEST DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 31, 2026

E2E Test Automation for Retail

E2E Test Automation helps retail teams protect a small set of critical customer journeys across the real system without turning the suite into a slow and flaky substitute for lower-level testing.…

15 min read
TECHNOLOGY E2E Test Automationfor Technology &SaaS. E2E Test Automation helps SaaS teamsprotect a small set of critical customer… E2E TEST DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 31, 2026

E2E Test Automation for Technology & SaaS

E2E Test Automation helps SaaS teams protect a small set of critical customer journeys across the real system without turning the suite into a slow and flaky substitute for lower-level testing.…

15 min read
TECHNOLOGY Fault InjectionTesting forEnergy. Fault Injection Testing helps energyteams prove that systems detect… FAULTINJECTION DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 31, 2026

Fault Injection Testing for Energy

Fault Injection Testing helps energy teams prove that systems detect, contain, and recover from realistic failures before uncontrolled incidents do the testing. Learn the 2026 operating model,…

15 min read
TECHNOLOGY Fault InjectionTesting forFintech. Fault Injection Testing helps fintechteams prove that systems detect… FAULTINJECTION DO Start from metricsShip incrementallyAutomate the guardrails AVOID Big-bang rolloutsSkipping discoveryManual, ad-hoc checks
Insights · Jul 31, 2026

Fault Injection Testing for Fintech

Fault Injection Testing helps fintech teams prove that systems detect, contain, and recover from realistic failures before uncontrolled incidents do the testing. Learn the 2026 operating model,…

15 min read
TECHNOLOGY Flaky Tests forTechnology & SaaS. Flaky Tests helps SaaS teams restoretrust by treating nondeterministic tests… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
Insights · Jul 31, 2026

Flaky Tests for Technology & SaaS

Flaky Tests helps SaaS teams restore trust by treating nondeterministic tests as defects in the delivery system, with fast containment and root-cause removal. Learn the 2026 operating model,…

20 min read
TECHNOLOGY Mobile TestingAutomation forHospitality. Guests book and manage stays on phones,across many devices, OSes, and networks… PLAN BUILD MEASURE IMPROVE MOBILE
Insights · Jul 31, 2026

Mobile Testing Automation for Hospitality

Guests book and manage stays on phones, across many devices, OSes, and networks. Automating mobile tests for a hospitality app means handling that fragmentation, not porting web tests.

15 min read
TECHNOLOGY Mobile TestingAutomation forRetail. Mobile is where most retail traffic andrevenue now live, and it fragments… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 31, 2026

Mobile Testing Automation for Retail

Mobile is where most retail traffic and revenue now live, and it fragments across devices, OSes, and networks. Automating mobile tests means handling that fragmentation, not just porting web tests.

14 min read
TECHNOLOGY Mutation Testingfor Fintech. Mutation Testing helps fintech teamsmeasure whether tests can detect… MUTATIONTESTING DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
Insights · Jul 31, 2026

Mutation Testing for Fintech

Mutation Testing helps fintech teams measure whether tests can detect meaningful code faults by deliberately changing behavior and checking which changes survive. Learn the 2026 operating model,…

15 min read
TECHNOLOGY Mutation Testingfor Technology &SaaS. Mutation Testing helps SaaS teamsmeasure whether tests can detect… 01 Discover 02 Prototype 03 Harden 04 Roll out
Insights · Jul 31, 2026

Mutation Testing for Technology & SaaS

Mutation Testing helps SaaS teams measure whether tests can detect meaningful code faults by deliberately changing behavior and checking which changes survive. Learn the 2026 operating model,…

21 min read
TECHNOLOGY PerformanceTesting Strategyfor Energy. Performance Testing Strategy helpsenergy teams connect realistic… DESIGN SHIP OBSERVE REFINE PERFORMAN…
Insights · Jul 31, 2026

Performance Testing Strategy for Energy

Performance Testing Strategy helps energy teams connect realistic workloads, service objectives, capacity, bottlenecks, recovery, and cost to the business moments the system must survive. Learn…

15 min read
TECHNOLOGY Performance TestingStrategy forHospitality. Performance Testing Strategy helpshospitality teams connect realistic… ARCHITECTURE SECURITY RELIABILITY COST PERFORMANCETESTING
Insights · Jul 31, 2026

Performance Testing Strategy for Hospitality

Performance Testing Strategy helps hospitality teams connect realistic workloads, service objectives, capacity, bottlenecks, recovery, and cost to the business moments the system must survive.…

15 min read
TECHNOLOGY PerformanceTesting Strategyfor Retail. Performance Testing Strategy helpsretail teams connect realistic… STRATEGY DELIVERY GOVERNANCE SCALE PERFORMANCETESTING
Insights · Jul 31, 2026

Performance Testing Strategy for Retail

Performance Testing Strategy helps retail teams connect realistic workloads, service objectives, capacity, bottlenecks, recovery, and cost to the business moments the system must survive. Learn…

15 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.