Zumaquero DevCustom software development services
Four services, one standard: talking to you directly and delivering software that holds up in production.
Prefer an overview before going into each service? See how I approach custom software development.
Corporate websites
Your current website loads slowly, doesn't look right on mobile or simply doesn't show up on Google. Every visitor who leaves before the page loads is a lost customer or enquiry, and every poorly designed form is an opportunity that never arrives. This happens equally to a small business with a services catalogue and to a photographer, a consultant or a therapist who lives on being found online: many end up paying for a generic template that nobody maintains and that, over time, becomes technical and reputational dead weight.
From 900 €
View serviceE-commerce
Every extra second in the checkout turns into abandoned carts. Many online shops are built on generic templates that work fine in the demo and fall over or slow down the day real traffic arrives: a campaign, a Black Friday, a mention on social media. On top of that come badly integrated payment gateways, catalogues that don't scale and order management panels that force you to do everything by hand.
From 1.800 €
View serviceMobile apps
An app that closes on its own, is slow to open or drains the battery for no reason loses users in the first session, and they don't come back. Many companies commission their first app from whoever offers the cheapest development and end up with code that has no architecture, no tests and nobody who can maintain it a year later without rewriting it from scratch. The result is an app that works in the demo but fails in production, with real users and real edge cases.
From 3.000 €
View serviceMaintenance
A website or app that gets published and then abandoned starts accumulating risk from the first month. On a website: outdated dependencies, plugins with known vulnerabilities, certificates that expire without warning and forms that stop complying with the GDPR or the Spanish LSSI because nobody reviewed them. On an app: new Android or iOS versions that break features that worked before, updates rejected for breaching store policies, or a silent crash nobody notices because there's no active monitoring. The cost of not maintaining it stays invisible until something happens: the site goes down, the app stops receiving approved updates, data leaks or a fine arrives. By then, fixing it costs far more than preventing it would have.
From 79 €/mes
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