Available for strategic engagements
Jonathan Mendonça

Software
Architect

// Process & Systems Specialist · 17+ years

Building enterprise systems that survive reality. Architecture, integration, cloud and identity — delivered with clear boundaries and operational maturity.

GitHub
17+
Years in production
5+
Enterprise ecosystems
CNH
Current: Industrial Tech
SYSTEM ARCHITECTURE picho.org/arch
CLOUD
Azure · AKS · APIM · ACR
IDENTITY
Keycloak · Entra ID · OIDC · JWT · RBAC · SAML · APIM
BACKEND
.NET 8 · C# · REST · EF Core
FRONTEND
React · TypeScript · Vite
OBSERVABILITY
Grafana · Prometheus · Structured Logs
DEVOPS
Docker · Kubernetes · Azure DevOps
STATUS:  OPERATIONAL
EXPERIENCE:  17+ years in production
ENV:  ENTERPRISE PRODUCTION

Areas of expertise

Sixteen years of enterprise delivery across architecture, cloud, identity, integrations and backend systems.

Software Architecture

Clean architecture, hexagonal patterns, DDD and modular systems designed for long-term operability and change.

.NETClean ArchDDDSOLID
Cloud & DevOps

Azure infrastructure, AKS orchestration, CI/CD pipelines and container workflows aligned to delivery.

AzureAKSDockerAzure DevOps
Enterprise Integration

Platform integration with clear boundary contracts, HTTP orchestration, external connectors and modular design.

APIMRESTIntegration PlatformAPIs
Identity & Security

Deep Keycloak expertise: federation with Microsoft Entra, OIDC flows, JWT lifecycle, RBAC, SAML, APIM policy integration and full identity automation. Real-world SSO for enterprise platforms.

KeycloakEntra IDOIDCJWTRBACSAMLAPIMOAuth2
Backend Engineering

.NET and C# systems built for production: domain services, parallel processing, regulatory workflows.

.NET 8C#EF CoreSQL Server
Frontend Engineering

React + TypeScript interfaces connected to enterprise backends. Component systems with operational maturity.

ReactTypeScriptViteAnt Design
Observability

Structured logging, correlation IDs, Prometheus metrics and Grafana dashboards for real production insight.

GrafanaPrometheusStructured Logs
Process Automation

Business process digitalization, schedulers, workflow engines and operational tooling that runs unsupervised.

AutomationSchedulersBPAPython

Selected projects

Enterprise systems and platforms across financial services, healthcare and corporate infrastructure.

01
Enterprise Platform

Synergy Ecosystem

Enterprise ecosystem composed of web applications, APIs, schedulers, authentication, ACL, integrations and operational tooling. Multi-tenant, multi-module, designed for operational longevity.

.NET 8ReactKeycloakAzureAKSAzure DevOpsCNH.Logger
02
Integration Architecture

SIP — Synergy Integration Platform

Corporate integration platform with clear boundaries between HTTP orchestration, business modules, external connectors, persistence and shared contracts.

Integration PlatformModular Architecture.NETPostgreSQLAPIs
03
Financial Systems

RiskManager

Risk and provisioning platform focused on financial processes, regulatory rules, contract classification and calculation workflows. Built for correctness, not convenience.

.NETEF CoreSQL ServerDomain ServicesParallel Processing
04
Identity Engineering

Identity & Keycloak Automation

Deep Keycloak implementation covering federation with Microsoft Entra, OIDC/SAML flows, JWT lifecycle management, RBAC policies, APIM integration and Python automation scripts for identity lifecycle. SSO for enterprise platforms with real operational complexity.

KeycloakEntra IDOIDCSAMLJWTRBACAPIMSSOPython
05
Personal Project

RPG Project

Personal creative project for RPG worldbuilding, lore, characters and campaign organization. A structured system applied to a completely different domain.

Personal ProjectRPGWorldbuildingReact

Tools & technologies

Technologies used in production. Not a laundry list — actual tools with real mileage.

Languages
C#TypeScriptJavaScriptPythonJavaSQLPowerShell
Backend
.NET 8ASP.NET CoreREST APIsEF CoregRPCMediatR
Frontend
ReactTypeScriptViteAnt DesignCSS Modules
Cloud & DevOps
AzureAKSACRAPIMAzure DevOpsDockerKubernetesHelm
Identity
KeycloakMicrosoft Entra IDOAuth2OIDCJWTRBACSAMLAPIM PoliciesSSOIdentity Automation
Data
SQL ServerPostgreSQLOracleMySQLMongoDBCosmosDBRedis
Observability
GrafanaPrometheusStructured LoggingCorrelation IDsOpenTelemetry
Architecture
Clean ArchitectureHexagonalDDDSOLIDModular MonolithEvent-Driven
AI & Automation
n8nAI AgentsClaude APIGitHub CopilotOpenAI CodexPrompt EngineeringPower Automate
Process & BI
BPMNBizagiPower BIDAXQlikViewJira PluginsEazyBI

Operating
principles

Not a manifesto. Just the way systems get built and shipped reliably.

01
Practical architecture over decorative diagrams.

Architecture decisions are judged by their operational outcomes, not by how they look in a presentation.

02
Systems designed for maintenance, operations and real users.

A system is not done when it passes QA. It is done when it runs unattended, survives incidents and can be understood months later.

03
Clear boundaries, traceability and delivery.

Every component has a defined contract. Every integration has an observable boundary. Every delivery has a measurable outcome.

04
Less noise, more execution.

No cargo-cult patterns. No framework-of-the-month. Technology choices are made to solve real constraints, not to signal sophistication.

05
Strong opinions backed by experience.

Sixteen years of production systems across banking, insurance, logistics and enterprise platforms. Opinions are earned, not borrowed.

Human first.
Architect by craft.

Father, reader, worldbuilder and architect — in that order. Outside enterprise systems I build campaigns, collect mechas and run overengineered personal projects.

I like building things that last — whether it's a software ecosystem, a campaign setting, a home lab, or a good story.

Being a father keeps my sense of priority
very well calibrated.
Father
The highest-priority system I operate. No negotiable SLA, no shortcuts, no acceptable downtime.
RPG Worldbuilder
Running campaigns and building lore at rpg.picho.org. Same systems thinking, completely different domain.
Mecha & Sci-Fi
Gundam collector, hard sci-fi fan and long-time admirer of complex fictional universes.
Reader & Gamer
Books, strategy games, long RPGs. Things that reward patience and depth.
Home Lab & Side Projects
Self-hosted infrastructure, personal automations and overengineered side projects. Because why not.

Professional profile

SUMMARY

Software Architect and Process & Systems Specialist with 17+ years in enterprise IT. Currently at CNH Industrial as Systems and Processes Specialist. Founder of EinSofCafe, an IT consultancy. Specialist in system modernization, corporate integration, cloud infrastructure, identity platforms and AI-driven automation. Track record of delivering complex systems that run in production without drama.

CORE EXPERTISE
Enterprise Software Architecture
Cloud Infrastructure (Azure / AKS)
Corporate System Integration
Identity & Access Management
Backend Engineering (.NET / C#)
DevOps & CI/CD Pipelines
Observability & Operational Systems
AI Agents & Process Automation (n8n)
Business Process Automation (BPMN)
Jira Plugins & PPM Tooling
KEY DELIVERIES
CNH Industrial — Systems & Processes Specialist

Since Mar 2023. Architecting and delivering enterprise ecosystems — web apps, APIs, authentication, AKS, CI/CD and operational tooling across the Synergy platform.

EinSofCafe — Founder & Principal Consultant

IT consultancy since 2021. Architecture, infrastructure, process optimization and technical leadership for clients across multiple industries.

BRQ / Boticário — Senior Systems Analyst

3+ years. Microservices in Node.js, AWS Lambda, DynamoDB, MongoDB, Jest/Cypress testing. Also served Renault (C#) and Madero (Azure cloud review).

BRQ / Telefonica VIVO — Senior Systems Analyst

2+ years. Jira plugin development in Java 8, SharePoint/Project Server PPM, C# WebServices, complex SQL Server and Oracle queries, Power BI.

HSBC Global Banking — Systems Developer

5 years. C# and Java development, process automation, contingency planning (BCP/BIA), MySQL/SQLite modelling and cross-team technical coordination.

PROFESSIONAL FOCUS

Enterprise architecture, system modernization, AI-driven automation and technical leadership. Available for strategic consulting, architecture reviews and long-term platform engagements. Using AI agents and automation tools (n8n, Claude, Codex) since early 2023.

Architecture Consulting System Modernization AI Automation Technical Leadership