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Interests - Ideas
Speculations - Prototype
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Featured

Me

Finish this website

This is a (never-ending) work in progress
  • 2012-now
  • Tags: WIP

Manifesto

A public declaration of intent stating my beliefs, how I organize my work and even my life.

About me

Empirical Software Engineer. Systematic but flexible. Agile patterns fan. A bit literalist. Doomsayer.

Me elsewhere

These are links to my profile on several online services.
  • Tags: pln,social,networking

Experience

Howdy

Developer Advocate
  • Jun 2022 – Now
  • Tags: DevRel, Communication, Soft Skills

Universidad ORT Uruguay

End-of-Degree final projects tutor

Self-Employed

Software Engineering Advisor/Consultant
  • Mar 2013 – Now

Howdy <> Ruby.uy

Software Estimation: Demystifying Challenges Beyond Engineering
  • Mar 2024

Howdy

Software Engineer
  • Nov 2020 – Nov 2023
  • Tags: Software Development, JavaScript, Node.js, React.js

Stagger.com

Software Engineer
  • Nov 2020 – Nov 2023

Howdy <> MIS.uy

Software Estimates: No Longer an Engineering Problem
  • Set 2023

Tech Week 4.0

Employability and Personal Brand
  • Jun 13, 2023

Howdy <> Tribu Latam Tech

Personal Brand & Learn in public

Howdy

The realities of Software Development

Howdy <> NodeCO

How does AI affect software developers?

Agencia EFE

Interview with Agencia EFE about Soft Skills
  • Nov 2022

WebConf LATAM 2022

“Don't panic! Troubleshooting recurring problems on new teams“ talk

Facultad de Ingeniería (UdelaR)

Software Quality Techniques for agile and traditional projects

Howdy Internal Talk

“Big O 101“ talk
  • Oct, 2022

Meetup Austin Software

“Software Quality, Asteroids and the Cone of Uncertainty“ talk
  • Aug, 2022

Meetup Austin Software

“Employability: what is it and why should it be important?“ talk

Meetup Frontend Perú

“Quality in Agile Contexts“ talk

Universidad ORT Uruguay

Software Engineering Professor

Meetup Python Chile

“Quality in Agile Contexts“ talk

AS Talk

“The last productivity hack you'll ever need“ talk
  • Jul, 2021

JIS.uy 2019

“Scrum Zombies & Orcs teams” talk

VAIRIX Software Development

Sr. Software Engineer

VIX

Scrum Master - Project Manager - Node.js Architect

Agiles2015

Talk about Inception Workshop and how we used it

Universidad ORT Uruguay - CIE

Introduction to the practice of Inception

Universidad EAFIT

9° Entrepreneurship Summer Camp

Universidad EAFIT

Inception Workshop talk for agilists and young entrepreneurs
  • Mar 2015 Medellín - Colombia

WBagadion Consulting, Inc.

Workshop on Software Requirements Management

VAIRIX Software Development

COO - Scrum Master - QA

Facultad de Ingeniería (UdelaR)

Workshop about reading techniques for software reviews

PricewaterhouseCoopers

Supervisor - Senior Developer - IT Consultant

InnovaAge

Senior Developer

IAC (Instituto Americano de Computación) - Red Qualitas

Computing Teacher

Education

INCO - FING UY

Formal Methods and Unified Modeling Language (UML)

CPA Innovation (Hotel Palladium)

Certified ScrumMaster

NCET2.org (online)

Research Commercialization - Introductory Course
  • May 21 - Jun 18, 2013
  • Tags: research,commercialization
  • External link: https://ncet2.org/

Universidad ORT Uruguay

“Technical Debt: basic concepts, research methods and study design” tutorial

Universidad ORT Uruguay

“Systematic Literature Reviews” tutorial

Universidad ORT Uruguay

“Formalizing software processes” conference

Universidad EAFIT (Medellín - Colombia)

“Software Product Lines” tutorial

IAC-CTC-ORT

Basic computer skills (first steps)
  • Jun 2, 2014 - Jun 3, 2014
  • Tags: computer

Universidad ORT Uruguay

Master in Engineering

Universidad ORT Uruguay

“Experimental Methods and Statistical Analysis Applied to Software Engineering Research” tutorial

Universidad ORT Uruguay

“Experimental Software Engineering: using statistics methods to support planning and execution of experimental studies” tutorial

Universidad ORT Uruguay

“Six Sigma Applied to Software Process Improvement” tutorial
  • Apr 4-8, 2011 by T. San Feliu
  • Tags: research,SPI,six-sigma

Universidad ORT Uruguay

“Software Engineering Experimentation” tutorial

Commitment

Soft Skills for Project Leaders

InspirAction Consulting y D&E Consulting

People Leadership & Management
  • Jun 8, 2009
  • Tags: soft skills

Universidad ORT Uruguay

Software Engineer

Instituto Cultural Anglo Uruguayo

English studies (First Certificate Level)

Essays & Field Notes

Make jobs collaborate

Juggling Multiple Jobs and Collaborating for Success
  • Tags: life, helath, collaboration, productivity

Senior juniorism

Senior Juniorism in Programming
  • Tags: programming, advice, self-taught

Focused Conversation

Conversation structuring tool with 4 stages
  • Tags: conversation, communication, decision-making

The Pac-Man rule

The Pac-Man Rule at Conferences
  • Tags: inclusivity, community, events

Circular growth loops

Learning progress and growth loops
  • Tags: learning, progress, growth

DMARC

What is DMARC and how to use it
  • Tags: email,campaign

SEO & React

How to improve the SEO of a React application
  • Tags: SEO,React

Before massive email campaigns

Things to take into account before a massive email compaign
  • Tags: email,SPG,DKIM,DMARC

Mock

What is a Mock in Software Engineering
  • Tags: software,engineering

Why I decided to do research digests

Research articles decoded for the practitioner´s consuption.
  • 2020-10-12

Ways to be productive when your brain is dead

What to do when you wake up but your brain doesn't.
  • 2019-06-11

Minimum Viable Product

The technique involves the development of a product with the sufficient features to satisfy early adopters.
  • 2019-03-18
  • Tags: research,k-pills

Constant Comparisons

An iterative data-analysis process where findings “emerge” from the data and the comparison with previous findings
  • 2019-03-15
  • Tags: research,k-pills

Dot voting

How to choose between options using a limited number of votes. How many votes?
  • 2021-05-25

Pico-Researchs (p-researchs)

Practical industry researchs with a scientific approach to take better decisions.
  • 2014-05-01

Do software developers procrastinate more?

Procrastination in software development can be caused by lack of interest, comfort, or confidence in success.
  • 2024-08-29

Strategies to Make Smart Choices in Technology

Choosing the right technology is crucial for software developers, whether in startups or enterprises.
  • 2024-01-23

Unearthing User Needs for True Innovation

The key to innovation lies in understanding user needs and focusing on problem-solving rather than adding more features.
  • 2024-01-23

Code Like a Pro: Mental Models for Dev Success

Mental models are cognitive frameworks that help individuals make sense of the world.
  • 2023-09-29

Redefining Seniority: From Ticket Closers to Problem Framers

The importance of seniority levels in software engineering and proposes an alternative view based on the ability to handle tasks autonomously.
  • 2023-09-18

Hidden Costs of Delay: Why Timely Delivery Matters

The concept of the Cost of Delay (CoD) refers to the potential loss of money by not releasing a product or feature promptly.
  • 2023-08-25

The era of AI: Challenges and opportunities for developers

By understanding AI, software developers can create systems that can do things automatically and make decisions based on data.
  • 2023-08-01

Software Estimation: Insights from Decades of Hits and Misses

This article explores the challenges and best practices of software estimation, providing unconventional ideas and personal experiences.
  • 2023-07-20

From developer to brand: How personal branding can skyrocket your career

This article discusses the importance of employability and personal branding for software developers in today's tech-driven job market.
  • 2023-06-15

Coding in the Age of AI: Embracing the Developer’s Evolution

Impact of AI-powered code generators to increase efficiency and productivity.
  • 2023-05-30

The crucial role of Software Communities in developers’s growth

How important is for a software developer to be part of a community?
  • 2023-05-10

Not another cheat sheet about technical interviews

This article provides a comprehensive guide to preparing for a technical interview.
  • 2023-02-07

The Do’s and Don’ts of Asking for Help in Software Development

Asking for help is an important skill, and should be considered part of the software development process.
  • 2022-12-09

How ChatGPT helps to solve coding challenges

Experiment to solve coding challenges with ChatGPT and make it write an article about it
  • 2022-12-05

Documinding

Docu [Documentación] minding [mind -mente-, pero también de interés -matter of interest-]
  • Tags: es,docs,devs

Problemas sobre documentación

3 preguntas sobre documentación, 2 con respuestas 😃
  • Tags: es,docs,problemas

Be the GOAT software engineer: Know your clients

Who are your clients as a Software Engineer?
  • 2022-10-04

Questions to ask your interviewer

Nothing says more about your interest in a position than asking questions.
  • 2022-09-29

Crypto: How it started

Learn about the science and art of cryptography
  • 2022-09-09

How the COVID pandemic changed the world of work

Remote Work: Exploring the Impact of On-Site to Remote Transition.
  • 2022-08-24

Mythbusting: the word process

Discover why software developers often dislike the word 'process' despite using them in their daily work.
  • 2022-08-19

Covid 19: the Van Helsing of Zombies & Orcs Scrum Team

COVID-19 was a monster that killed many Scrum teams, but also healed some of them.
  • 2022-04-12

Detecting “Wont Fix” Issues with Machine Learning

Learn how discarded issues consume on average 5 months of developers’ time
  • 2021-07-05

Learn about what makes your PR accepted/rejected

Insights on how PRs are actually accepted/rejected
  • 2021-05-13

Back to the roots of agile

Psss... I'm not talking about management here, but software development technical skills!
  • 2021-02-15

Software development process for IT product based startups

Agile methodology sparkled with classical engineering methods to experiment continuously avoiding technical debt
  • 2021-01-04

Rescued by Kanban: A Real-Life Story of Using Scrum and Kanban Together

Can Kanban help deal with some challenges in Scrum? Find out in this real-life story of using Scrum and Kanban together to enable better team performance.
  • 2020-11-24
  • Tags: kanban,scrum

Changeset-based approach to improve adoption of agile code review

A painless way to do code review in an agile & smart way, using changesets and auto assigning reviews
  • 2020-08-28
  • Tags: research,digest

Doomsayer

Points out when the sky is falling (and when you're in big trouble).
  • 2020-07-20
  • Tags: agile,role,xp

Behind the scenes of Ethereum Pet Shop tutorial

Dive into some tools/topics beyond the coverage of Ethereum Pet Shop -- Your First Dapp tutorial
  • 2020-03-30

Blockchain 101 An Introduction

Some notes about blockchain
  • 2020-03-06

HIPAA for Software Developers

Make things clearer from a software development point of view
  • 2020-02-25
  • Tags: HIPAA

How bullet journal changed my work routine

The last hack you will need to boost your daily work routine
  • 2020-01-27

Node.js logging solutions

Node.js logging solution with client tracing capability
  • 2019-12-27

Agile Principles

Sketches to show the agile principles.
  • 2019-11-13
  • Tags: agility,teaching

Scrum Zombies & Orcs teams

Discussion about two kind of Scrum Teams: Zombies & Orcs
  • 2019-10-17

HTML to JSON Intermediate representation

HTML articles' JSON abstraction for later manipulation
  • 2019-05-20

Personal Kanban with Kanbanize

How to use Kanbanize for everyday tasks management following Personal Kanban as methodology.
  • 2019-01-14
  • Tags: personal,kanban

The First Two Weeks Of The Rest Of My Flow-e Life

Personal opinion about Flow-e based on my experince in the use of the tool.
  • 2018-01-03
  • Tags: guest post

Code Review: What Is It and Why Is It Important?

New to the concept of code review? This post explains what code review is and why it’s important.
  • 2015-09-22

Niveles de Abstracción

¿Qué entendemos por niveles de abstracción?
  • 2015-08-20
  • Tags: lang_es,abstraction,modelling

Ask what keeps us up at night

Exercise to identify the risks that are worth worrying about.
  • 2021-06-15

Are you HOT enough?

How to be at the top of your game or just keep up with the day-to-day demands but perform at your best — in both cases.
  • 2021-06-02

Helping a startup in troubles to reach on time to an investors meeting

The title of this case study should be 'Pulling startup’s chestnuts out of the fire'... let us see why.
  • 2014-06-11

What is an MVP?

MVP means Minimum Viable Product and it’s a core component of Lean Startup methodology
  • 2014-05-20

JQuery append into heavy loaded DOM trees

Describe odd behaviour when you append DOM element into heavy loaded DOM tree
  • 2014-04-14

One-week scrum sprint evaluation for prevent sprint backlog changes during sprint

One-week scrum sprint evaluation for prevent sprint backlog changes during sprint
  • 2014-04-07

Soft. Eng. and Strandbeests

How to expose students to the multidimensional nature of Software Engineering processes? May be making an analogy with the Strandbeests, an ingenious blending of art and engineering.
  • 2013-08-07

i.e vs. e.g

When do you use i.e., and when do you use e.g., and what do they mean?
  • 2013-05-10

Archive of essays

List of all my essays written to help the companies I have worked for, to consolidate knowledge, share my opinions or disseminate scientific information in a consumable format.
  • 2013 - Now

Projects/Products

Business Idea Validation

Tools to early ideas validation and risk reduction

Startup Advisory Services

Advisory services aimed to help startups

Static website generator (NodeJS)

Static website generator (this site)
  • 2017
  • Tags: nodejs,markdown,static

Ahorranza: Sistema de gestión de finanzas

Ahorranza: Sistema de gestión de finanzas

Another Clojure Box (Windows)

SciTE + WinCommand + Tools = kind of "Clojure IDE"
  • Tags: RIP

Coco - Sistema para fortalecer vínculos terapéuticos

Coco - Sistema para fortalecer vínculos terapéuticos

Sistema de Variables Meteorológicas

Sistema de Variables Meteorológicas

Servicio de consultoría para la implantación de CRM y productos satélites

Servicio de consultoría para la implantación de CRM y productos satélites

BlueDepot: Sistema de gestión de almacenes

BlueDepot: Sistema de gestión de almacenes

Ariadne's Thread: Gestor organizacional para Qualabs

Ariadne's Thread: Gestor organizacional para Qualabs

GxReq: Requirement traceability tool for GeneXus

System for specifying semi-structured business requirements in client language for GeneXus
  • 2021-2022

Maqii - Herramienta contra el Bullying

Tool to support specialists in the treatment of bullying in schools
  • 2020-2021

Krooping: Procesamiento de imágenes satelitales para generación de índices agronómicos

Software for processing and analyzing satellite images to optimize crops based on certain indicators
  • 2019-2020

FastRabbit - Plataforma de testing de servicios de Movistar

Software to run test cases that interacti with various client systems

MiTurno (ReactNative - Python - Raspberry Pi)

MiTurno - Sistema de gestión de turnos para la atención al público

Coopify (PWA - Blockchain)

Coopify: una plataforma de intercambio de servicios apoyada en blockchain

Favoker (PWA)

Favoker: solicitud de pequeños servicios

'H' (NodeJS+VanillaJS)

Content delivery through distribution channels
  • Tags: nodejs,cms,microservices

InmunoVR (Samsung Gear VR)

Experiencia virtual educativa: Sistema Inmunológico

Traceability Logger (NodeJS)

Traceability from client side to server through inter microservices comm
  • 2018
  • Tags: nodejs,js,logger

EAJP (NodeJS)

HTML article to JSON abstraction
  • 2018
  • Tags: nodejs,json,abstraction

LimpiezaUY: plataforma colaborativa de limpieza

LimpiezaUY: plataforma colaborativa de limpieza

Gestión de compras para proyectos de construcción

Gestión de compras para proyectos de construcción

Inception Workshop for Entrepreneurs

Short workshop with the goal of identify essential software features, technological risks and get an idea of size & effort involved in its development.
  • Tags: entrepreneurship

Raphaël Utils (Javascript)

SVG importer (and other utilities)

DM-Pixie (Windows)

It's a color picker with extra goodies.
  • Tags: RIP

<title (platform)>

GxReq: Herramienta de trazabilidad de requerimientos para GeneXus

Local Read Later (Google Chrome Extension)

Similar as Read It Later service but runs locally.
  • Tags: RIP

SwingImprover (Windows)

Software that allows the analysis of a golf player swing movement against theory and professionals.
  • 2016
  • Tags: ORT,RIP

WinCommand (Windows)

Run console apps (e.g. CLisp or cmd) in a window to work more confortable.
  • Tags: RIP

Research

Requirements inspection tool for a low-code platform

Research about the construction of a tool to inspect requirements in a low-code platform
  • Tags: inspection,lowcode

Evidence based research of JavaScript Grids according to a set of expected attributes

This study identifies javascript grids that have some attributes defined apriori. It's my first attempt to apply a systematic method in order to make an industrial decision
  • Tags: picoresearchs,pr20111

JQuery Plugin Quality Assessment

JQuery plugins saves development time, but poor quality plugin are destabilizing factor. How to evaluate the quality of JQuery plugins?
  • Tags: picoresearchs

Software Inspection Adoption

Factors that difficult the adoption and how to avoid or overcome them
  • Tags: MSc

How small software companies are reviewing their software artifacts

We are worried about how small software companies are performing their reviews over the software artifacts generated during the development cycle
  • Tags: MSc

Research on 3D modeling of the human body

Technology and methodology for modeling the human body in 3D
  • Tags: swingimprover

TDD Failures

Difficulty of TDD in game development
  • Tags: swingimprover

Articles

Eugenia Parodi, Santiago Matalonga, Darío Macchi, Martín Solari

Comparing technical debt in student exercises using test driven development, test last and ad hoc programming

Darío Macchi, Martín Solari

Diagnóstico del Uso de Técnicas de Revisión de Software en Uruguay

Darío Macchi, Martín Solari

Software inspection adoption: A mapping study

Bonsai

Jazmín del país

Jasminum officinale (Common Jasmine) is a large semi-evergreen or deciduous climbing shrub.
  • Tags: Card tags

Pino negro

Pinus uncinata, also knonw as Black pine
  • Tags: pn1

Arrayán

Tree of little height. Thick, dark trunk, finely cracked bark.
  • Tags: myrtaceae

Boj

Buxus is a family of about seventy species in the family Buxaceae.
  • Tags: bj1

Ligustro

lucidum means 'bright' or 'shiny', referring to the leaves.
  • Tags: li1,li2,li3,li4,li5,li6

Ceibo

National flower of Uruguay and Argentina
  • Tags: Faboideae

Palo borracho

Deciduous tree native to the tropical forests of South America
  • Tags: deciduous,tropical

Juniperus chinensis

Evergreen conifer native to China with a dark green foliage and brown bark
  • Tags: jn1

Falso cafeto

Manihot Grahamii, also known as Mandioca Brava
  • Tags: fc1, fc2

Espinillo

Acacia caven
  • Tags: es1💀,es2

Ligustrum - The first one (tf1)

This is the first Ligustrum of my collection
  • 2021-01-17 2017-06-01

Citrus × limonia - Limón paraguayo (lp1)

From seed, 3 Citrus × limonia
  • 2019-05-01 2018-12-26
  • Tags: RIP

Quotes

Isaac Asimov

A poor idea well written is more likely to be accepted than a good idea poorly written.

Peter Drucker

Culture eats strategy for breakfast.

Reinhold Niebuhr

God grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference.

Nelson Mandela

Lead from the back and let others believe they are in front

Seneca

Luck is what happens when preparation meets opportunity.

Gustavo Gretter

Para ser ágil tenés que ser veloz...sino pa' que sos “ágil“?

Dwight Eisenhower

Plans are useless, but planning is indispensable

Bill Gates

The only big companies that succeed will be those that obsolete their own products before somebody else does.

Theo Jansen

The walls between art and engineering exist only in our minds.

Phil Karlton

There are only two hard things in Computer Science: cache invalidation and naming things.

Various attributions

Watch your thoughts, they become words; watch your words, they become actions; watch your actions, they become habits; watch your habits, they become character; watch your character, for it becomes your destiny.

Enrique Jardiel Poncela

When something can be read without effort, great effort has gone into its writing.

George Bray

Your mobile phone has more computing power than all of NASA in 1969. NASA launched a man to the moon. We launch a bird into pigs.
Darío Macchi