Edu Ferro (eferro) 🇵🇸
@eferro.net
https://eferro.net
Lean/Agile mindset.
Product Developer #XP #Lean #DevOps #People #productdevelopment
(he/him)
https://linktr.ee/eferro https://www.eferro.net/p/support-my-work.html
Lean/Agile mindset.
Product Developer #XP #Lean #DevOps #People #productdevelopment
(he/him)
https://linktr.ee/eferro https://www.eferro.net/p/support-my-work.html
Pinned
Edu Ferro (eferro) 🇵🇸
@eferro.net
· Apr 20
Lean Software Development en la práctica
Esta serie es una reflexión de mi experiencia — y la de mis equipos — trabajando de forma verdaderamente ágil: aplicando prácticas de Extrem...
www.eferro.net
Sharing my blog series on Lean Software Development in practice 🚀
Available in both Spanish and English:
(Spanish) 👉 www.eferro.net/p/lean-softw...
(English) 👉 www.eferro.net/p/lean-softw...
Hope you find it useful! Feedback is always welcome 🙌
#LeanSoftwareDevelopment #XP #Agile
Available in both Spanish and English:
(Spanish) 👉 www.eferro.net/p/lean-softw...
(English) 👉 www.eferro.net/p/lean-softw...
Hope you find it useful! Feedback is always welcome 🙌
#LeanSoftwareDevelopment #XP #Agile
Value isn't just new features. It's also about reducing and avoiding costs by proactively simplifying our software and killing dead code. Let's shift from hero culture to sustainable professionalism. #Simplicity #Value #EngineeringCulture
November 10, 2025 at 3:27 PM
Value isn't just new features. It's also about reducing and avoiding costs by proactively simplifying our software and killing dead code. Let's shift from hero culture to sustainable professionalism. #Simplicity #Value #EngineeringCulture
Reposted by Edu Ferro (eferro) 🇵🇸
93% coverage looked great. Mutation testing revealed 15 gaps in error handling.
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Mutation Testing: When "Good Enough" Tests Weren't
For weeks, I had been carrying this nagging doubt. The kind of doubt that's easy to ignore when everything is working. My inventory applic...
www.eferro.net
November 9, 2025 at 3:53 PM
93% coverage looked great. Mutation testing revealed 15 gaps in error handling.
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Reposted by Edu Ferro (eferro) 🇵🇸
Some people have asked me about the rules I usually use when working with Cursor and Claude Code, so I wrote a short blog post about it: www.eferro.net/2025/11/my-b...
#augmentedCoding #ai
#augmentedCoding #ai
My Base Setup for Augmented Coding with AI
Repository: eferro/augmentedcode-configuration Over the last months I've been experimenting a lot with AI-augmen...
www.eferro.net
November 10, 2025 at 9:05 AM
Some people have asked me about the rules I usually use when working with Cursor and Claude Code, so I wrote a short blog post about it: www.eferro.net/2025/11/my-b...
#augmentedCoding #ai
#augmentedCoding #ai
Reposted by Edu Ferro (eferro) 🇵🇸
Refined my workflow: how I apply a “pseudo-TDD with AI” loop in day-to-day coding.
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Pseudo TDD with AI
Exploring Test-Driven Development with AI Agents Over the past few months, I've been experimenting with a way to apply Test-Driven Deve...
www.eferro.net
November 10, 2025 at 9:16 AM
Refined my workflow: how I apply a “pseudo-TDD with AI” loop in day-to-day coding.
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Refined my workflow: how I apply a “pseudo-TDD with AI” loop in day-to-day coding.
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Pseudo TDD with AI
Exploring Test-Driven Development with AI Agents Over the past few months, I've been experimenting with a way to apply Test-Driven Deve...
www.eferro.net
November 10, 2025 at 9:16 AM
Refined my workflow: how I apply a “pseudo-TDD with AI” loop in day-to-day coding.
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Check it out: www.eferro.net/2025/11/pseu... #AugmentedCoding #TDD #AI
Some people have asked me about the rules I usually use when working with Cursor and Claude Code, so I wrote a short blog post about it: www.eferro.net/2025/11/my-b...
#augmentedCoding #ai
#augmentedCoding #ai
My Base Setup for Augmented Coding with AI
Repository: eferro/augmentedcode-configuration Over the last months I've been experimenting a lot with AI-augmen...
www.eferro.net
November 10, 2025 at 9:05 AM
Some people have asked me about the rules I usually use when working with Cursor and Claude Code, so I wrote a short blog post about it: www.eferro.net/2025/11/my-b...
#augmentedCoding #ai
#augmentedCoding #ai
Stop the complexity trap! We're often incentivized to build complex systems unnecessarily. Let's rethink our incentives and focus on value over "more." #Complexity #LeanSoftwareDevelopment #ContinousDelivery #LeanProductDevelopment
November 10, 2025 at 8:04 AM
Stop the complexity trap! We're often incentivized to build complex systems unnecessarily. Let's rethink our incentives and focus on value over "more." #Complexity #LeanSoftwareDevelopment #ContinousDelivery #LeanProductDevelopment
93% coverage looked great. Mutation testing revealed 15 gaps in error handling.
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Mutation Testing: When "Good Enough" Tests Weren't
For weeks, I had been carrying this nagging doubt. The kind of doubt that's easy to ignore when everything is working. My inventory applic...
www.eferro.net
November 9, 2025 at 3:53 PM
93% coverage looked great. Mutation testing revealed 15 gaps in error handling.
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
Fixed in 2-3 hours with AI. Would have taken days before.
The economics of rigorous testing have changed.
www.eferro.net/2025/11/muta...
The art of software is eliminating the unnecessary to reach the essence. What complexity can you remove this week to simplify your systems? #LeanSoftwareDevelopment #LessIsMore
November 9, 2025 at 8:36 AM
The art of software is eliminating the unnecessary to reach the essence. What complexity can you remove this week to simplify your systems? #LeanSoftwareDevelopment #LessIsMore
Reposted by Edu Ferro (eferro) 🇵🇸
Y tras el desayuno, arranca el Global Day of Code Retreat, version IA, en las oficinas de Trainline 🙌 Nos espera un dia entero de aprendizaje, gracias a facilitador@s y asistentes, como os lo curráis dedicando un sábado al #gdcr25
November 8, 2025 at 8:46 AM
Y tras el desayuno, arranca el Global Day of Code Retreat, version IA, en las oficinas de Trainline 🙌 Nos espera un dia entero de aprendizaje, gracias a facilitador@s y asistentes, como os lo curráis dedicando un sábado al #gdcr25
Reposted by Edu Ferro (eferro) 🇵🇸
Epa ahí!!! Un poco tarde pero seguro. Estamos en #movember
Este año vuelve el bicolor.
Apoya mi recaudación de fondos: movember.com/m/apa42?mc=60
Este año vuelve el bicolor.
Apoya mi recaudación de fondos: movember.com/m/apa42?mc=60
Alberto Pérez Alonso's Mo Space
Motivation: Estoy recaudando fondos y fomentando la sensibilización este Movember por todos los padres, hermanos, hijos y amigos de nuestras vidas. Necesito tu ayuda. Por favor, haz un donativo por la...
movember.com
November 6, 2025 at 8:54 PM
Epa ahí!!! Un poco tarde pero seguro. Estamos en #movember
Este año vuelve el bicolor.
Apoya mi recaudación de fondos: movember.com/m/apa42?mc=60
Este año vuelve el bicolor.
Apoya mi recaudación de fondos: movember.com/m/apa42?mc=60
Reposted by Edu Ferro (eferro) 🇵🇸
Mañana nuevo evento de la comunidad de crafters de Murcia 👀
[Kata] Bingo, vie, 7 nov 2025, 18:00 | Meetup
**Descripción**
Este viernes practicamos con una kata de refactoring.
https://sammancoaching.org/kata_descriptions/bingo.html
Trabajaremos en parejas, paso a paso refacto
www.meetup.com
November 6, 2025 at 2:35 PM
Mañana nuevo evento de la comunidad de crafters de Murcia 👀
Reposted by Edu Ferro (eferro) 🇵🇸
¡En breves empezaremos con nuestro Black Friday! 🥳
Ademáaaaas, este año vamos a incluir más novedades.
¡Apúntate a la waitlist para que te avisemos de ello!
codely.com/blackfriday?...
Ademáaaaas, este año vamos a incluir más novedades.
¡Apúntate a la waitlist para que te avisemos de ello!
codely.com/blackfriday?...
🔥 Estamos de Black Friday en Codely! ﹤🍍﹥ Codely
Cursos de principios SOLID, Domain-Driven Design, Arquitectura Hexagonal, Docker, CQRS, Microservicios, Kubernetes, Testing, Front-end y mucho más.
codely.com
November 6, 2025 at 3:24 PM
¡En breves empezaremos con nuestro Black Friday! 🥳
Ademáaaaas, este año vamos a incluir más novedades.
¡Apúntate a la waitlist para que te avisemos de ello!
codely.com/blackfriday?...
Ademáaaaas, este año vamos a incluir más novedades.
¡Apúntate a la waitlist para que te avisemos de ello!
codely.com/blackfriday?...
Reposted by Edu Ferro (eferro) 🇵🇸
Bueno pues ya han publicado la charla que dí en la @bcnswcraft.bsky.social en youtube.
Cuento anécdotas curiosas en distintos proyectos en los que he participado a lo largo de mi carrera, todas relacionadas con sistemas distribuidos y algunas acciones que nos ayudaron.
youtu.be/bVoxOSPDVzA?...
Cuento anécdotas curiosas en distintos proyectos en los que he participado a lo largo de mi carrera, todas relacionadas con sistemas distribuidos y algunas acciones que nos ayudaron.
youtu.be/bVoxOSPDVzA?...
Isa Garrido - Sobreviviendo al caos distribuido - SCBCN 25
YouTube video by Sirviendo Código
youtu.be
November 4, 2025 at 5:05 PM
Bueno pues ya han publicado la charla que dí en la @bcnswcraft.bsky.social en youtube.
Cuento anécdotas curiosas en distintos proyectos en los que he participado a lo largo de mi carrera, todas relacionadas con sistemas distribuidos y algunas acciones que nos ayudaron.
youtu.be/bVoxOSPDVzA?...
Cuento anécdotas curiosas en distintos proyectos en los que he participado a lo largo de mi carrera, todas relacionadas con sistemas distribuidos y algunas acciones que nos ayudaron.
youtu.be/bVoxOSPDVzA?...
Reposted by Edu Ferro (eferro) 🇵🇸
Super interesting article by @eferro.net www.eferro.net/2025/11/when...
Will people follow this path or with the cost of doing things disappearing people will just vomit more and more code, without paying attention to quality?
Will we forgot about "good practices" or will they loose sense?
Will people follow this path or with the cost of doing things disappearing people will just vomit more and more code, without paying attention to quality?
Will we forgot about "good practices" or will they loose sense?
When AI Makes Good Practices Almost Free
Since I started working with AI agents, I've had a feeling that was hard to explain. It wasn't so much that AI made work faster or easier, b...
www.eferro.net
November 4, 2025 at 11:56 AM
Super interesting article by @eferro.net www.eferro.net/2025/11/when...
Will people follow this path or with the cost of doing things disappearing people will just vomit more and more code, without paying attention to quality?
Will we forgot about "good practices" or will they loose sense?
Will people follow this path or with the cost of doing things disappearing people will just vomit more and more code, without paying attention to quality?
Will we forgot about "good practices" or will they loose sense?
Reposted by Edu Ferro (eferro) 🇵🇸
Exploring how AI changes the cost of good engineering practices.
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
When AI Makes Good Practices Almost Free
Since I started working with AI agents, I've had a feeling that was hard to explain. It wasn't so much that AI made work faster or easier, b...
www.eferro.net
November 3, 2025 at 3:52 PM
Exploring how AI changes the cost of good engineering practices.
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Reposted by Edu Ferro (eferro) 🇵🇸
He actualizado www.eferro.net/2025/10/keyn...
incluyendo el video completo de la keynote “Desapego radical en la era de la IA”.
Gracias a @sirviendocodigo.bsky.social por la grabación y a toda la organización de @bcnswcraft.bsky.social por la invitación y la conferencia que se han marcado.
incluyendo el video completo de la keynote “Desapego radical en la era de la IA”.
Gracias a @sirviendocodigo.bsky.social por la grabación y a toda la organización de @bcnswcraft.bsky.social por la invitación y la conferencia que se han marcado.
Keynote: Desapego radical en la era de la IA
Ayer sábado 25 de octubre tuve el honor de dar la keynote de apertura en Barcelona Software Crafters 2025 con la charla "Desapego radical e...
www.eferro.net
November 3, 2025 at 5:05 PM
He actualizado www.eferro.net/2025/10/keyn...
incluyendo el video completo de la keynote “Desapego radical en la era de la IA”.
Gracias a @sirviendocodigo.bsky.social por la grabación y a toda la organización de @bcnswcraft.bsky.social por la invitación y la conferencia que se han marcado.
incluyendo el video completo de la keynote “Desapego radical en la era de la IA”.
Gracias a @sirviendocodigo.bsky.social por la grabación y a toda la organización de @bcnswcraft.bsky.social por la invitación y la conferencia que se han marcado.
Exploring how AI changes the cost of good engineering practices.
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
When AI Makes Good Practices Almost Free
Since I started working with AI agents, I've had a feeling that was hard to explain. It wasn't so much that AI made work faster or easier, b...
www.eferro.net
November 3, 2025 at 3:52 PM
Exploring how AI changes the cost of good engineering practices.
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Some things that used to feel expensive now feel almost free.
📝 www.eferro.net/2025/11/when...
#AI #SoftwareEngineering
Reposted by Edu Ferro (eferro) 🇵🇸
💫Unir nuestro camino con @nextdigitalhub.bsky.social es maravilloso. ✨
Poder anunciarlo en @tarugoconf.bsky.social y compartirlo con amistades y colegas, inolvidable. 🌈
Y haber contado con el apoyo de Pétalo para hacerlo posible, inmejorable.👌Gracias @davidbonilla.bsky.social y Diego Mariño🙌
Poder anunciarlo en @tarugoconf.bsky.social y compartirlo con amistades y colegas, inolvidable. 🌈
Y haber contado con el apoyo de Pétalo para hacerlo posible, inmejorable.👌Gracias @davidbonilla.bsky.social y Diego Mariño🙌
October 27, 2025 at 11:36 AM
💫Unir nuestro camino con @nextdigitalhub.bsky.social es maravilloso. ✨
Poder anunciarlo en @tarugoconf.bsky.social y compartirlo con amistades y colegas, inolvidable. 🌈
Y haber contado con el apoyo de Pétalo para hacerlo posible, inmejorable.👌Gracias @davidbonilla.bsky.social y Diego Mariño🙌
Poder anunciarlo en @tarugoconf.bsky.social y compartirlo con amistades y colegas, inolvidable. 🌈
Y haber contado con el apoyo de Pétalo para hacerlo posible, inmejorable.👌Gracias @davidbonilla.bsky.social y Diego Mariño🙌
Reposted by Edu Ferro (eferro) 🇵🇸
OpenSesame is looking for a Senior Software Engineer to join our fully remote team and help strengthen the use of Extreme Programming (XP) practices across the stack
OpenSesame helps companies develop the world's most productive and admired workforces
buff.ly/EAmTt7J
OpenSesame helps companies develop the world's most productive and admired workforces
buff.ly/EAmTt7J
October 29, 2025 at 7:01 PM
OpenSesame is looking for a Senior Software Engineer to join our fully remote team and help strengthen the use of Extreme Programming (XP) practices across the stack
OpenSesame helps companies develop the world's most productive and admired workforces
buff.ly/EAmTt7J
OpenSesame helps companies develop the world's most productive and admired workforces
buff.ly/EAmTt7J
Reposted by Edu Ferro (eferro) 🇵🇸
Hey all! The @diversifytech.com newsletter is going out tomorrow.
If you have any jobs you'd like us to share with our community of 20K members who are underrepresented in tech, please share soon! 💜
www.diversifytech.com/post-a-job
If you have any jobs you'd like us to share with our community of 20K members who are underrepresented in tech, please share soon! 💜
www.diversifytech.com/post-a-job
Diversify Tech - Connecting marginalized folks in tech with career opportunities
Get events, scholarships and job opportunities from vetted companies in your inbox every week
www.diversifytech.com
October 27, 2025 at 6:23 PM
Hey all! The @diversifytech.com newsletter is going out tomorrow.
If you have any jobs you'd like us to share with our community of 20K members who are underrepresented in tech, please share soon! 💜
www.diversifytech.com/post-a-job
If you have any jobs you'd like us to share with our community of 20K members who are underrepresented in tech, please share soon! 💜
www.diversifytech.com/post-a-job
Reposted by Edu Ferro (eferro) 🇵🇸
Menuda experiencia 🥹 Gracias, @bcnswcraft.bsky.social por la oportunidad de estar este año a ese lado de la sala 🫶🏻 Y gracias por montar, un año más, este súper evento de comunidad 🤲🏻 Y gracias a quienes habéis compartido ratitos conmigo este finde 🥰 🤗
¡Estamos en pleno directo con la charla "Lo que pides vs lo que te llega: crisis cultural en organizaciones" con Concha Asensio Martínez-Rives! Únete a la conversación usando el hashtag #scbcn25. ¡No te lo pierdas!
October 26, 2025 at 8:16 AM
Menuda experiencia 🥹 Gracias, @bcnswcraft.bsky.social por la oportunidad de estar este año a ese lado de la sala 🫶🏻 Y gracias por montar, un año más, este súper evento de comunidad 🤲🏻 Y gracias a quienes habéis compartido ratitos conmigo este finde 🥰 🤗
Ayer di la keynote en @bcnswcraft, para mí la charla más importante que he dado. Desapego radical en la era de la IA sobre reinventar nuestra profesión, soltar certezas y aprender en comunidad.
Slides con notas extensas aquí www.eferro.net/2025/10/keyn...
#scbcn softwarecrafters.barcelona
Slides con notas extensas aquí www.eferro.net/2025/10/keyn...
#scbcn softwarecrafters.barcelona
Keynote: Desapego radical en la era de la IA
Ayer sábado 25 de octubre tuve el honor de dar la keynote de apertura en Barcelona Software Crafters 2025 con la charla "Desapego radical e...
www.eferro.net
October 26, 2025 at 4:09 PM
Ayer di la keynote en @bcnswcraft, para mí la charla más importante que he dado. Desapego radical en la era de la IA sobre reinventar nuestra profesión, soltar certezas y aprender en comunidad.
Slides con notas extensas aquí www.eferro.net/2025/10/keyn...
#scbcn softwarecrafters.barcelona
Slides con notas extensas aquí www.eferro.net/2025/10/keyn...
#scbcn softwarecrafters.barcelona
eferro's random stuff: Lean + XP + Product Thinking – Three Pillars for S... www.eferro.net/2025/10/lean...
Lean + XP + Product Thinking – Three Pillars for Sustainable Software Development
When we talk about developing software sustainably, we're not just talking about taking care of the code or going at a reasonable pace. We'r...
www.eferro.net
October 26, 2025 at 7:24 AM
eferro's random stuff: Lean + XP + Product Thinking – Three Pillars for S... www.eferro.net/2025/10/lean...