Full stack developer
The applications I have built, one by one.
What each one does, which problem it solves and where it can be tried. They are all published: no screenshots of things that do not exist.
What they have in common
They are very different projects, but all of them were decided with the same four questions.
In all of them I did the brand and the program. That is not a scheduling accident: when the same person picks the colour and writes the stylesheet, the identity does not stay in a PDF somebody has to respect, it ends up inside the product —in the automated email template, in the document the system issues, in the application icon—.
- What if it grows? The data model is drawn before the first screen, because it is the thing that cannot be redone painlessly.
- What if it goes down? Verified backups, logs you can actually read and a deployment that repeats identically.
- What if I change it? Tests where it hurts, clear boundaries between parts and a history that explains why it is like this.
- Who cannot use it? Contrast, keyboard and screen reader are checked on the site, not promised.
The applications.
From the management platform to the app you carry in your pocket. In nearly all of them I did both jobs: the brand they introduce themselves with and the program underneath.
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Kimobox
A low-code platform for digitalising processes: employee, client and supplier portals, and quality and ISO standards management in one place.
What it solves: Forms and workflows each department head designs and corrects themselves, without opening a ticket to development
My part: Brand, visual identity and platform development
Hosting: Built in Spain and hosted in the European Union
kimobox.com
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Kokai
An app to plan a trip and carry it with you: your places on the map, each day’s plan, tickets and passport offline, and an alert when you pass near something you don’t want to miss.
Platform: iPhone, iPad and Mac · iOS 17 or later
Price: Free
My part: Brand, interface design and development
The detail that defines it: Photos and links for each place are fetched on their own from Wikipedia, Wikivoyage and Commons, with their author and licence; a photo that is not of that place gets discarded
kokai.app
· Download for iOS and Mac on the App Store
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Hanasuka 話
A Japanese academy in Spanish: theory, listening and speaking, kana, kanji and spaced repetition. Free, no ads and no tracking.
What it solves: Studying Japanese from Spanish, without going through English, with the review schedule handled by the system itself
My part: Brand, content, interface and development
hanasuka.com
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Petit Drac
A Catalan academy for Spanish speakers: theory from A1 to B2, lessons to listen, speak and write, and the history of the language. Free and ad-free.
What it solves: Learning Catalan by using what you already know of Spanish, instead of starting as if you knew nothing
My part: Brand, content, interface and development
petitdrac.com
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ISOGESONLINE
ISO document management integrated with Sage 200C: document control, internal audits, non-conformities with an owner and a deadline, and indicators that calculate themselves.
Standards covered: ISO 9001, 14001, 27001 and 45001, IFS Food and IATF 16949
My part: Product identity and development
isogesonline.com
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M2Seed
The division that builds websites for small businesses, with its own site workshop: domain, hosting, GDPR and local SEO included.
What it solves: Letting a small business have a website without having to understand hosting, cookies or search rankings
My part: Brand, visual system and development of the workshop
m2seed.com
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jordisalord.com
This very site: three languages, no database, no dependencies and no build step. It is here because it is the most honest example of the rule of the house.
How it is built: Plain PHP with a front controller, the content in three files and the identity in a single one
Why like that: Nothing it does called for a database or a framework; what is not needed does not get written
Questions.
Are these your own products or client work?
The ones on this page are my own products and those of the company I work from, which is why I can name and link them. Work done for clients is not published without their permission, so it is not here.
Can they be tried?
Yes. They all have a public address, and Hanasuka and Petit Drac are free and need no sign-up to read. Kokai is on the App Store, also free.
What are they built with?
Each one with whatever suited it, and that decision is explained on the stack page: backend in NodeJS, TypeScript, Python, PHP or C#, depending on the case, and Linux underneath with whichever database the model called for.
Do you also do the brand of what you build?
In these projects, yes: the mark, the palette, the typography and the site they introduce themselves with. That is what lets the identity reach the last automated email instead of stopping at the home page.
Where to check it.
The entries and figures for each application come from its own page or from its official store listing.
Shall we talk?
Looking for something like one of these?
Tell me which one yours resembles and I will tell you what I would change.