FZN Labs - Enterprise Software Experts FZN Labs - Enterprise Software Experts
Senior Architecture & Technical Advisory

Enterprise Software Architecture & Advisory

Enterprise Integration • High-Scale Systems • Fractional CTO • AI Engineering

We help organizations design resilient systems, integrate complex enterprise platforms (SAP, MuleSoft, ESB), scale transaction-critical backends, and modernize engineering practices.

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Enterprise Integration

Architecting SAP Integration Suite, MuleSoft, legacy ESBs, and cloud APIs into unified platforms.

Fractional CTO & Advisory

Strategic technical direction, ADR governance, stack evaluations, and engineering mentorship.

High-Scale Fintech

Mission-critical payment rails, QR processing, COELSA integration, and high-concurrency async architectures.

AI-Driven Engineering

Modernizing SDLC workflows with AI agents, serverless architectures, and robust cloud practices.

01 / Expertise

Senior advisory & engineering

Led by Esteban Forzani (+20 years of hands-on software experience), FZN Labs provides senior advisory and engineering consulting for high-stakes enterprise technology initiatives.

From stabilizing high-throughput payment backends to architecting SAP/MuleSoft integration landscapes and introducing AI-driven SDLC practices, we bridge executive vision with deep technical execution.

20+ Years Enterprise Track Record Enterprise Integration Mastery Fractional CTO & Technical Direction High-Scale Systems & Resiliency

02 / Services

Specialized consulting

Enterprise expertise

Senior direction for critical technology

Enterprise Architecture & Integration

  • SAP Integration Suite & MuleSoft Connectivity
  • API Economy & Middleware Strategy
  • Monolith to Microservices Evolution
  • ESB, SOA & Distributed Systems
  • Legacy Core Modernization

Fractional CTO & Technical Advisory

  • Strategic Technical Direction
  • Architecture Decision Records (ADRs)
  • Engineering Team Mentoring & Governance
  • Stack Selection & Evaluation
  • Technical Due Diligence

Fintech & High-Scale Systems

  • High-Throughput QR Payment Rails
  • COELSA & Digital Wallet Integration
  • Decoupled Async Architecture (AWS SQS)
  • High Concurrency & Resiliency
  • Production Stability & Rapid Recovery

Applied AI

From an idea to a workflow that works

AI Solutions & Agents

  • Assistants and agents for real business processes
  • Integration with APIs, data, and internal systems
  • Task automation and agentic workflows
  • Evaluation, security, and quality control

Prompt Engineering & AI Skills

  • Reliable prompts for teams and products
  • Specialized skills with context and tools
  • Reusable workflows for development and operations
  • Testing, versioning, and continuous improvement

AI Training & Adoption

  • Hands-on workshops tailored to each team
  • AI practices across the software lifecycle
  • Mentoring for technical and business leaders
  • Responsible-use guidelines and working practices

03 / Industries

Industry solutions

Fintech & Payment Systems

High-performance backend and payment rails integrations.

  • QR payment processing and digital wallet integrations.
  • Mission-critical financial integrations (COELSA, clearing, reconciliation).
  • Scalable backend architectures built with messaging queues (AWS SQS).
  • Secure transactional access, authentication, and authorization (OAuth2, Keycloak).

Healthcare

Connected platforms for medical providers and healthcare systems.

  • Interoperability between legacy systems (AS400) and modern ERPs (SAP) using Spring Integration.
  • Streamlining healthcare operations through enterprise SAP CPI and Salesforce MuleSoft integrations.

Insurance & Legacy Modernization

Core process modernization and robust middleware connectivity.

  • Designing and executing integration strategies aligned with business goals.
  • Controlled migration of monolithic architectures to microservices on AWS.
  • Evolution of enterprise ESB, BPM, and middleware messaging platforms.

04 / Products

Our products

SaaS Platform

Entidapp

Member & Billing Management for Social Entities

A SaaS platform built to automate administration, membership fees, and activity registration for clubs, public libraries, neighborhood associations, and volunteer fire departments. It simplifies communication through secure, automated WhatsApp notifications.

  • Digital Member Records: Advanced categorization with digital storage for medical certificates and documents.
  • Flexible Invoicing: Automatic billing for activities and fees, with quick spreadsheet import from Excel.
  • WhatsApp Alerts: Anti-spam sequential delivery of payment reminders and fee notifications.
  • Real-Time Reporting: Dynamic dashboard tracking revenue, outstanding debt, and payment history.
Diseñado para:
Clubes y Academias Bibliotecas Populares Asociaciones Vecinales Bomberos Voluntarios
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Entidapp Dashboard Mockup

05 / Development

Enterprise development

We build robust, scalable solutions ready to evolve.

From backend platforms and APIs to fullstack applications, FZN Labs develops enterprise software focused on clean architecture, performance, security, and maintainability.

Backend & APIs

Backend services, microservices, and scalable APIs to connect processes and platforms.

Fullstack Applications

Modern web solutions with clear, efficient, and user-oriented experiences.

Modernization

Evolution of existing systems toward more maintainable, integrated, and cloud-ready architectures.

06 / Technology

Technologies

Languages

Java TypeScript JavaScript

Backend

Spring Boot Node.js REST APIs Microservices

Frontend

React Next.js HTML CSS

Integration

iPaaS (Cloud Integration) Enterprise Service Bus (ESB) Message Brokers & Queues ESB & Middleware

API Management

API Lifecycle Management API Gateway & Security OAuth2 / OIDC API Lifecycle & Governance

Cloud & DevOps

AWS Azure Docker Kubernetes CI/CD

Databases

PostgreSQL MySQL MongoDB

Tools

Git Jenkins Prometheus Agile Delivery

07 / Track Record

Why FZN Labs

Executive & Technical Depth

Over two decades of hands-on leadership solving complex architecture, integration, and scaling challenges in mission-critical environments.

Enterprise Integration Mastery

Extensive experience across SAP Integration Suite, MuleSoft, JBoss Fuse, ServiceMix, ESB, SOA, and modern API ecosystems.

High-Scale & Production Resiliency

Proven record managing high-concurrency payment rails (millions of daily transactions), async queues, and rapid technical recovery.

Pragmatic & AI-Augmented Engineering

Clear architectural decisions (ADRs), robust delivery discipline, and integration of modern AI workflows to accelerate results.

08 / Contact

Let's talk

Partner with FZN Labs to design, develop, and integrate the digital backbone of your enterprise.

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