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Facundo Posse

I turn real problems into working products.

Software engineer and product builder combining product judgment, hands-on engineering, delivery, and leadership.

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8+ years
Building software professionally
60K+
Monthly users served
Live SaaS
Built, launched, and operated

From problem to production

Alongside my professional work, I build commercial SaaS products and focused experiments validated through real use. The same principle guides both: learn by putting useful software into people's hands.

  1. 01

    Understand

    Find the real constraint, speak with users, and define the outcome.

  2. 02

    Shape

    Set scope, make product decisions, and design the simplest viable path.

  3. 03

    Build

    Own the application, data, integrations, and infrastructure.

  4. 04

    Operate

    Launch, support real usage, measure what matters, and keep improving.

Product interfaces

React, React Native, Next.js, SwiftUI, Vue.js

Services and data

Node.js, Python, .NET, PostgreSQL, Supabase

Platforms and delivery

AWS, Azure, Vercel, CI/CD, observability

Experience

Independent Product Builder

Self-directed

2024 - Present

  • Build and operate commercial SaaS products for small businesses, covering discovery, UX, pricing, engineering, infrastructure, and production support
  • Design multi-tenant platforms integrating payments, authentication, messaging, digital wallets, and operational workflows
  • Built and validated focused product experiments, including a native iOS app using SwiftUI and HealthKit
  • Work directly with users and businesses to define scope, observe real usage, and iterate on the product

Technical Leader

N5 Now

Dec 2021 - Present

  • Led mobile banking and digital health platforms for clients in highly regulated industries, serving 60K+ monthly active users
  • Delivered banking features including digital wallets, real-time card data, rewards, and biometric authentication flows
  • Led evolution of healthcare platforms for a top-tier private medical network: patient scheduling, electronic prescriptions, insurance integrations, billing, and clinical imaging access
  • Owned CI/CD pipelines and cloud infrastructure on AWS and Azure, ensuring high-availability deployments across production environments
  • Led and mentored cross-functional teams of 5-15 engineers across multiple product streams

Full Stack Developer

N5 Now

Feb 2021 - Dec 2021

  • Developed features for digital health platforms using .NET and React: patient scheduling, clinical workflows, and internal tooling
  • Built and integrated APIs connecting health systems with medical insurance providers for coverage verification and operational automation
  • Optimized Azure pipelines and SQL workloads supporting high-availability healthcare operations

Full Stack Developer

Editorial ACES

Feb 2018 - Feb 2021

  • Developed and maintained sales, e-commerce, and internal productivity platforms using .NET and Vue.js
  • Integrated ERP system (Dynamics AX) to automate operational workflows
  • Delivered inventory, production control, and order management features
  • Improved SQL-based data operations and supported CI/CD and Azure cloud migration

.NET Developer, Intern

Sanatorio Adventista de Hohenau

Dec 2016 - Feb 2017

  • Supported system modernization by migrating legacy solutions to .NET technologies

Education

Information Systems

Universidad Adventista del Plata

2018

I am most interested in work where the problem is still taking shape and engineering decisions influence the product itself.