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guillego

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About

I’m Guille. You may also know me as guillego. I'm a telecom-turned-biomedical-turned-software engineer . Born and raised in Madrid, Spain, moved to Copenhagen a few years ago, where my favorite things are cycling through the city, jumping into the sea, eating pastries and the long days of summer. Professionally, these days I'm working across the stack (Rust/React) in the B2B SaaS…

April 2026

In Copenhagen, enjoying the arrival of spring. The days are long, the harbour ice is gone, and the first bike rides without a jacket and gloves feel delightful.

(new album) In Switzerland, the fog that often settles over...

(new album) In Switzerland, the fog that often settles over the central plateau is known as the Nebelsuppe, a fog soup.

Nebelsuppe

In Switzerland, the fog that often settles over the central plateau is known as the Nebelsuppe , a fog soup. It is a thick, gray broth that swallows the lowlands, yet it is often so shallow and dense that a mere hundred-meter climb allows you to rise above it, emerging into the warm sunlight above the sea of clouds. Last Thursday, while taking the morning train from Bern to Geneva (and eventually…

June 2025

Living in Copenhagen (since September 2016!) and I feel really fortunate that in this season of life I bike commute most days in around 15 minutes. I've been dipping year round in the Baltic sea for a few years now and it keeps reminding me (especially in the depths of winter) that it always seems the hardest and most painful right before you go in. I'm climbing (lead, boulder) a couple…

First post using POSSE (post once, syndicate everywhere). Should appear...

First post using POSSE (post once, syndicate everywhere). Should appear in guillego.com and bsky

sunflower cam

a sunflower grows in Østerbro (external) I made this small project in the fall of 2024, when I faced the prospect of traveling away from my apartment for nearly a month while my sunflower blossomed. I had been working on a Raspberry Pi-based sports camera during the previous year so it seemed very natural to set up a little camera to take a photo every hour as the flower grew and blossomed. It…

the ufo landing patch

Some say it's easier to imagine the collapse of our ecosystems, than the collapse of extractive capitalism. Some say it's easier to imagine steel and glass jungles populated by self driving cars than forested jungles where humans can thrive. Some say it's easier to imagine humanity moving to Mars than humans in a healthy Earth. And some say that there should be less of us, since we…

pink moon

captured in December 2019

Europe's trains - part 1

Some years ago I moved from Madrid to Copenhagen, and for many years the only way I traveled or thought about traveling between these two cities was by plane. Copenhagen's airport is fairly close to the city and it would take me around 5-6h, door to door to do this trip. Last winter I tried something different: I took the train. It's a bit of a crazy journey but a trainfluencer showed me…

croissant cycling trip - part 1

For a few years now, I've enjoyed cycling as a hobby and bikepacking as a favorite way of traveling. This year brought a big break from work where both Carole and I were free. She had never done a bike trip before, but curious to explore the lifestyle for herself, she suggested that we travel from Switzerland to Spain and thus the trip was born. The itinerary 🔗 Ideally we would travel from…

botany

Today, in the quiet hours of the morning, sunlight and birdsong started filling the streets. It was far too early for anyone to notice, but today, like many summer mornings in Copenhagen, light leaked at first and then flowed through the east-facing windows of my living room. It bathed the room in orange and yellow light and washed all over the big, green plants that populate my apartment, who…

yet another blog

Many times in my life I have tried to start a blog, and failed to keep up with it. Often times it was this voice inside that told me that I didn't have anything interesting to say, or that it was too personal, or that there were too many things I was not doing well in my life, so I didn't need to expose myself more. My general response to those voices, and to many others is to try to…

frozen nordhavn

It was one of those rare winter mornings in Copenhagen when the darkness finally surrenders—if only briefly—to something miraculous. Dawn arrived like spilled watercolors, orange and pink light pouring through my apartment windows, and I couldn't help but smile upon opening my eyes—what a gift! I threw on some warm layers, fingers fumbling with excitement as I found my camera. The bike ride…