Real engagements. Measured outcomes.
Ten anonymized engagements. Each case: problem, method, measured outcome.
Mobilité urbaine · Paris + Montréal
// 01−30%
facture cloud
Mobility scale-up: −30% cloud bill, same SLOs.
AWS bill doubled in 18 months without matching traffic growth. GreenOps audit, refactor, Karpenter, ARM64. Measured outcome.
9 mois · 4 engineersGo · Kubernetes · KarpenterE-commerce sport · Paris
// 02+18%
conversion mobile
Sports leader: PWA, +18% mobile conversion, Lighthouse 92.
Mobile Lighthouse at 38, conversion falling. Next.js App Router, edge, images, splitting. Delivered in 6 months.
6 mois · 5 engineersNext.js 16 · Vercel · CloudflareRobotique industrielle · Tokyo
// 03+40%
throughput entrepôt
Japanese industrial: 80 AGVs, ROS 2, +40% warehouse throughput.
Slow fleet, collisions, downtime. Nav2 refactor, perception fusion, multi-agent planning. Zero collisions in 6 months.
14 mois · 7 engineersROS 2 Humble · Rust · Isaac SimFinTech SaaS · Tri-geo
// 049 mois
ISO 27001 (vs 18 estimé)
FinTech SaaS: ISO 27001 in 9 months, zero velocity regression.
Roadmap frozen by cert. DevSecOps, IaC policies, Vault, incident runbook. DORA stays elite.
11 mois · 6 engineersTerraform · Vault · SnykBanque tier-1 · Paris
// 05/10
coût inférence mensuel
European bank: hybrid RAG, inference cost cut tenfold.
RAG PoC at €10,000/month. Hybrid local+cloud architecture, cache, reranking. €900/month at equal quality.
7 mois · 4 engineersMistral 7B · vLLM · QdrantBanque régionale · Tokyo
// 0660%
parc migré en 14 mois
Japanese bank: 4M lines of COBOL, 3 AI agents, 60% migrated in 14 months.
9 devs retiring in 3 years. Abbeal multi-agent method: Archaeologist, Architect, Cleaner. Bounded contexts.
14 mois · 8 engineersCOBOL · Java 21 · Spring BootÉnergie · Paris
// 07< 5s
détection anomalies
Energy utility: 50,000 sensors, real-time detection, €2.4M saved.
Anomalies detected 8h late. Edge ML on gateways, cloud fallback, drift monitoring. −70% undetected incidents.
10 mois · 5 engineersONNX · Edge TPU · KafkaMaison de luxe · Tri-geo
// 08+24%
conversion cross-canal
Luxury house: 280 stores, MACH, follow-the-sun, ROI in 18 months.
Silos across stock/orders/CRM. MACH architecture, composable commerce, unified CDP, global team on 3 hubs.
22 mois · 11 engineerscommercetools · Algolia · SnowflakeTransport · Montréal
// 0960%
analystes autonomes
Canadian operator: 12 data silos → lakehouse, real-time KPIs.
Inconsistent KPIs, dashboards 48h late. Databricks lakehouse, medallion, dbt, self-service BI.
9 mois · 6 engineersDatabricks · dbt · TableauAssurance globale · Paris + Tokyo
// 10−70%
temps traitement sinistres
Global insurer: 80,000 claims/month, −70% processing time.
Aging OCR, 14-day cycle. Layout-aware extraction, multimodal LLM, human validation on exceptions.
12 mois · 9 engineersLayoutLMv3 · Claude Sonnet · AWS Textract