Francesco Montelli

Hi, I'm Monte.

I design, verify, and automate
software systems.

For teams that scale without breaking apart.

Explore services → Read the blog

56 articles

0 series

9 projects

5+ years experience

Design

Systems that hold up as you grow.

26 articles

Verify

Observe, test, protect.

18 articles

Automate

Take the human error out of the loop.

12 articles

Latest posts

What I learn, I write down.

May 2, 2026 Verify

ListObjects in Production: Caching, Pre-materialization, and BatchCheck

Why ListObjects becomes the bottleneck in OpenFGA, and how to address it: Redis caching, pre-materialized read models, BatchCheck, and invalidation strategies.

Apr 18, 2026 Verify

Deep Hierarchies, Inverse Queries, and the WHERE Problem

How to handle N-level hierarchies in OpenFGA, optimize ListObjects with fast/slow path, and implement Dynamic Data Masking as a complementary pattern.

OpenFGA Authorization ReBAC

Apr 4, 2026 Verify

Multi-tenancy with OpenFGA: Isolation Without Multiplying Complexity

Two strategies for multi-tenancy with OpenFGA: store-per-tenant and type-per-tenant. How to achieve structural isolation without scattering WHERE tenant_id everywhere.

OpenFGA Multitenancy Authorization

Mar 21, 2026 Verify

OpenFGA + Keycloak: Bridging Identity and Permissions

How to integrate OpenFGA with Keycloak: user synchronization, JWT as the bridge, contextual tuples, and strategies for keeping identity and authorization aligned.

OpenFGA Keycloak Authorization

Mar 14, 2026 Design

Micro-frontends in Vue 3 with Module Federation: Shell, Contract, and Independent Deploy

Module Federation in Vue 3 with Vite: shell/remote contract, singleton dependencies, and independent per-team deployments.

Vue3 MicroFrontend ModuleFederation

Featured Projects

Real cases I have worked on.

Workshop Keycloak: Identity Management

Serie di 10+ articoli su OAuth 2.0, OpenID Connect e architetture Zero Trust, con demo pratiche e repository di esempio

Piattaforma Ordini Event-Driven

Architettura a microservizi con Go e Kafka per dimostrare Saga Pattern, event sourcing e observability in un sistema distribuito

Observability con OpenTelemetry

Stack di observability completo su applicazione C#/.NET, come progetto pilota per una strategia aziendale di monitoring

Infrastruttura Homelab

Cluster Kubernetes su Proxmox con provisioning automatico via Cluster API e deployment GitOps con ArgoCD

All projects →

Let's talk.

If your team is growing and you want to know where to improve, start here.

Write me → Health Check

56 articles

0 series

5+ years of experience

Registered engineer — Ordine degli Ingegneri, Ravenna