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Fernando
Mirabile.

Senior Software Engineer · Full Stack

From problem to production: I design and build software end to end.

I take ownership of technical solutions across interfaces, APIs, and data, adapting languages and tools to the team and product.

Portugal At Jampp · Creator of Mibo AI

Building software since 2014 C1 English B1 Portuguese

01

Side Projects

I designed and built Mibo AI to uncover problems in AI agents using traces from real interactions.

2025

Mibo AI

My product · Design, architecture, and development

Current product

Testing agents with real traces

Mibo receives traces from agents in use via OTLP and automatically checks their behavior to catch failures. It also supports on-demand tests for specific scenarios.

TypeScript Python OpenTelemetry Node.js Redis PostgreSQL SvelteKit n8n Cloudflare Express.js

2025 · First version

WhatsApp assistant

The first version let people organize events and files and create spreadsheets from WhatsApp, using Twilio, Flowise, and Google services.

Twilio Flowise TypeScript Node.js Google APIs
Visit the project

02

My Journey

From web development to technical leadership on product teams since 2014.

Feb 2024 - Present Remote (EU)

Jampp

Senior Software Engineer

React.js TypeScript Node.js Express.js MySQL GraphQL Mastra n8n AWS OpenSearch
  • Own features and modernization of an internal campaign management platform, from design to production
  • Automate operational workflows with AI agents to reduce manual work for campaign managers
  • Modernize legacy React code and work across frontend, backend, infrastructure, and analytics
  • Fix security vulnerabilities and establish maintainable engineering practices
Oct 2022 - Feb 2024 Remote (Buenos Aires)

Harness (ex Split)

Senior Software Engineer

React.js TypeScript GraphQL Spring Boot MongoDB Groovy Golang
  • Built features for a feature flagging and experimentation product
  • Implemented reusable React hooks to simplify new feature work
  • Wrote technical and architecture docs to help new teammates get started
Feb 2020 - Oct 2022 Remote (Buenos Aires)

Mural

Senior Full Stack Engineer / Team Leader

React.js Express.js ElasticSearch Airflow MongoDB Optimizely
  • Led six engineers working on user acquisition and engagement
  • Redesigned the flow for sharing content and inviting users
  • Built feature flagging infrastructure with Optimizely for web and mobile
  • Integrated experiment data into Airflow pipelines
  • Co-authored company-wide code review standards

Earlier experience

Sep 2017 - Feb 2020 Buenos Aires (Hybrid)

Kin + Carta (ex Solstice)

Software Engineer Technical Consultant

Angular 4+ React.js React Native RabbitMQ MongoDB Oracle SQL Spring Boot Mulesoft Swift AWS GCP
  • Built web and mobile applications for clients with Angular, React, and Swift
  • Developed integration APIs with MuleSoft
  • Automated deployments with Travis CI and promoted TDD across teams
Jul 2016 - Sep 2017 Buenos Aires

IT Resources S.A.

Senior Web Application Developer

C# Angular.js Oracle SQL
  • Built financial portals and banking applications
  • Built REST APIs with C# and .NET
Mar 2014 - Jul 2016 Buenos Aires

Adistec

Web Developer

Spring Boot C# JavaScript jQuery
  • Built internal tools and client-facing applications
  • Worked on backend services and data integrations with Spring Boot and C#

03

Technologies

Tools I've used in real products, from interfaces and APIs to data and infrastructure.

Explore all technologies

Language

JavaScript

Expert · 10+ years

Description

A foundation for web interfaces and services throughout my career

Key Projects

Mibo AI · Jampp · Mural · Kin+Carta · IT Resources · Adistec

04

Education

Formal education and ongoing learning

Academic Background

Informatics Engineering

Universidad de la Empresa Argentina (UADE)

Graduated in July 2024

Courses and certifications

Courses and certifications

2026

2025

2023

Supervised Machine Learning: Regression and Classification

Coursera

2020

Game Physics - Introducing Gravitation & Rotation in Unity

Udemy

2019

iOS 12 & Swift - The Complete iOS App Development Bootcamp

Udemy

2018

Serverless Machine Learning with Tensorflow on Google Cloud Platform

Coursera

Pivotal Cloud Foundry Developer e-Learning (PRPP Advanced)

Pivotal Software, Inc.

Spring Boot Developer E-Learning (PRPP Advanced)

Pivotal Software, Inc.

Web API Design

Pluralsight

Learn Test Driven Development in Java

Udemy

DevOps with AWS CodePipeline, Jenkins and AWS CodeDeploy

Udemy

2017

Spring Boot - Rapid Spring Application Development

Udemy

The Complete React Native and Redux Course

Udemy