Software development case studies.

Public work where permission exists and anonymized context where confidentiality applies. Both explain what I owned and what was resolved.

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Projects with named clients

The brand or website is shown with explicit permission. Full case studies document problem, intervention, ownership and outcome.

Arafilum · Online shopView case
Arafilum website: handmade products and shopping journey. Built for a direct client.
A shop that also handles the order.

Catalogue and cart: the customer finds a product and prepares their order.

Operational e-commerce for Arafilum

Problem
The brand needed to sell online, not just show a landing page: catalog, cart, payments, orders, shipping, emails, invoices and admin.
Outcome
A working store base with catalog, checkout, orders, invoices and admin connected in one flow.
My role
Full-stack development, e-commerce, payment integrations, operations and admin.
MaderaPlus+DERA · Diagnosis summary
  1. ReproduceTest environment for the app, backend and web.
  2. ReviewApp, backend, synchronisation and reported issues.
  3. Recommend23 actionable items identified in the issue log and a phased roadmap.

B2B forestry technology, offline Android app and legacy back office

Technical diagnostic of +DERA for MaderaPlus

I reproduced the app and backend in a test environment, reviewed the reported issues and identified 23 actionable items in the existing issue log.

A Mariña Glass website showing workshop services in Viveiro and the appointment request link.

Automotive workshop · Website and internal operations

A Mariña Glass: a website and custom workshop scheduler

A live website and private scheduler bring together incoming requests, staff planning and exports for the workshop. Every appointment is checked against availability before it is saved.

Integraleon homepage screenshot with electricity, domotics and automation services in Leon.

Local web, SEO and technical lead capture

Local lead-generation website for Integraleon

Integraleon has a fast website with its own domain, local SEO routes and direct contact by call, WhatsApp or form.

Consumer campaign · Agency collaboration

A landing page for every stage of the promotion.

Frontend implementation for a confectionery brand in Spain: launch, participation and closure on one codebase. The case explains the technical work; BRIZZI lets you try a recreation with a different identity.

Fictional BRIZZI gummy packaging created for the campaign recreation.
BRIZZI recreation · Fictional brand identity and products.

Capability lab and demos

Original proofs that show what can be built before an idea becomes a project.

Entrance to the abuenoben digital showroom with a central route and several interactive surfaces.

Original demo · not a client case

Interactive web experiences you can try

Operational simulation, promotional games, an interactive book, comparisons and 3D products in one working experience.

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Experience under confidentiality

These summaries describe my contribution. Client identities and internal materials remain private.

Digital identity and biometrics

SDK and APIs for product integration teams

Reviewed APIs, examples and documentation to support integration of a B2B SDK.

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Mobile product with sensitive flows

Reviewing contracts and critical flows before release

Contract tests, quality checks and a release checklist for an Android app.

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Experience across projects

Experience supporting product teams

Work with existing teams on mobile development, web and integrations, for direct clients and through white-label arrangements.

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Own-business invoicing · VERI*FACTU

VERI*FACTU in my own invoicing

I built the system I use to invoice my freelance work. I have used it with VERI*FACTU from my first invoice, with records accepted by AEAT in production.

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