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Vidal Reñao

Basel, Switzerland · Available in CH and LI

Vidal Reñao Lopelo

Fullstack Developer & IT Specialist

Websites, apps and AI automation for your business. Whether you run a gym, a restaurant, a hair salon, a clinic or a shop: I build your website and app, automate your day-to-day with AI, and handle the technical side —systems, Windows, Linux and networks— so everything just works. One contact, from briefing to result.

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live projects
8
AI certificates
6
working languages · DE EN ES
3

Projects

Projects you can open and try

Only live, verified projects are listed. Filter by type or search by technology.

8 projects

In productionFeaturedApplied AI · SaaS

HelpDesk AI

Multi-tenant helpdesk for Swiss SMEs with AI-assisted triage in German, English and Spanish.

  • MCP server with seven scoped tools and Zod validation: the AI never touches the database directly
  • SLA tracking, an owner per ticket and role-based access control
  • Over 200 commits, tests in CI and its own database
OpenHelpDesk AICodeHelpDesk AI
In productionFeaturedApplied AI · SaaS

JobPilot AI

Job-search copilot: reads job alerts, scores the fit and prepares a CV and cover letter in each job's language.

  • Explainable matching: every score is backed by specific skills from the job ad
  • CV and cover letter as PDF and Word in German, English or Spanish; nothing is sent without manual approval
  • Multi-user with Supabase Row Level Security, installable as an app (PWA)
OpenJobPilot AIPrivate code
Public demoApplied AI · SaaS

Invoice Auto

Invoice management between Spain and Switzerland with AI extraction and an engine that decides what to pay, review or stop.

  • Claude Vision extracts the fields and the tax engine validates VAT
  • Catches duplicates and IBAN changes and generates the ISO 20022 pain.001 file
  • Public demo without sign-up, using fictitious data
OpenInvoice AutoCodeInvoice Auto
StagingApplied AI · SaaS

WAAI SaaS

Multi-tenant platform to deploy WhatsApp agents with Claude, a RAG knowledge base and human handoff.

  • RAG with embeddings and semantic search in pgvector
  • AI ↔ human handoff with roles and asynchronous state
  • Row Level Security per workspace on every table
OpenWAAI SaaSCodeWAAI SaaS
Public demoApplied AI · SaaS

Aura AI

A dashboard that proposes pricing and inventory decisions and leaves them ready for a person to approve.

  • Multi-tenant with Row Level Security per tenant
  • Insert-only audit log
  • Public demo with sample data
OpenAura AICodeAura AI
Public demoSaaS

SolarPilot

Solar pre-study that calculates panels, output, savings and payback, showing the source and confidence of every figure.

  • Output calculated with PVGIS irradiation data (European Commission)
  • Surplus compensation according to Spain's RD 244/2019
  • 137 automated tests
OpenSolarPilotCodeSolarPilot
In productionClient project

D'NAMAR GmbH

Trilingual corporate website in production for a cleaning company in Basel.

  • Live on dnamar.ch since April 2026
  • Trilingual (DE/EN/ES) and verified in Google Search Console
  • Contact form over its own SMTP, no third-party email provider
OpenD'NAMAR GmbHCodeD'NAMAR GmbH
In productionClient project

NATURÆ Cosmetics

Shop and PWA for a handmade cosmetics brand from Basel, with orders via WhatsApp.

  • WhatsApp orders backed by an RLS-protected order history
  • Installable on Android and iOS
  • Trilingual catalogue; private repository by agreement with the brand
OpenNATURÆ CosmeticsPrivate code

Experience

Experience

From Swiss integration to production AI platforms — enterprise IT delivery across Switzerland and international environments.

  1. 2025 – Present

    IT & AI Solutions Engineer

    Self-Employed · Freelance · Switzerland

    • Running cloud-based platforms focused on availability, clean technical architecture, and reliable operations
    • Building helpdesk and workflow systems with SLA-aligned processes, role-based access control, and structured service logic
    • Translating infrastructure and operational thinking into modern SaaS environments — automation and continuous optimization
    • Active production portfolio: Ticket System, MatchPoint AI, Invoice Auto, HelpDesk AI

  2. Since July 2023

    Temporary assignments outside IT

    Servo Personal & Treuhand GmbH · CareJob · Basel, Switzerland

    Swiss Integration Phase

    • Assignments in logistics, production and construction via Servo Personal and CareJob, alongside IT projects; references confirm reliability and teamwork

  3. 2021 – July 2023

    Technical Support Specialist & Systems Administrator

    Lutelco Instalaciones SL · Zaragoza, Spain

    • Supported 500+ users across multiple sites at 2nd/3rd level – on-site and remote for Windows, Microsoft 365, hardware and network access; tickets tracked in Jira
    • Reduced ticket volume by around 30% by documenting recurring incidents in a structured knowledge base
    • Administered users, groups and permissions in Active Directory and Microsoft 365
    • Network troubleshooting (TCP/IP, DNS, DHCP, VLAN, VPN) and support of the virtualization environment on VMware vSphere and Hyper-V
    • Kept workstations and servers patched and up to date; ran and monitored backups, including restore checks

  4. Jun 2019 – Jan 2021

    Help Desk Support Specialist

    Nationale Nederlanden Bank · Zaragoza, Spain

    • Kept SLA compliance consistently above 95% on the 1st-level service desk – incidents, service requests and changes in ServiceNow following ITIL
    • Supported Microsoft 365 accounts, licences, MFA and remote access by phone and in writing
    • Escalated complex infrastructure incidents with complete handover to the responsible teams

  5. Nov 2017 – May 2019

    Systems & Network Engineer

    NSC — Networks, Systems & Communications · Spain

    • Operated and maintained network and systems infrastructure
    • Applied security patches and updates to servers and systems; ran and checked backups, including restores
    • Managed virtualization environments and system monitoring
    • Provided infrastructure support across multiple client sites
    • Logged and tracked systems and network incidents using ServiceNow

  6. 2016 – 2017

    Web Developer & Application Support

    Freelance / Agency · Spain

    • Built and maintained web applications with MySQL database backends
    • Provided technical support and troubleshooting for deployed systems

  7. Feb – Aug 2016

    On-Site Systems & Hardware Technician

    SPRINET · Zaragoza, Spain

    • On-site systems and hardware support at customer locations

  8. 2013 – 2014

    Technical Customer Support

    Deinta Seguridad · Spain

    • Diagnosed faults in communications and security systems remotely and coordinated field technicians for on-site interventions

  9. 2010 – 2012

    Fiber Optic & Datacenter Technician

    Vodafone (Contractor) · Spain

    • Deployed fiber and copper cabling infrastructure in datacenters
    • Rack installation and network infrastructure maintenance

Skills

What I work with

The same areas listed on my CV.

Frontend

  • Next.js 16
  • React 19
  • TypeScript
  • Tailwind CSS
  • Framer Motion

Backend & Data

  • Supabase
  • PostgreSQL
  • Node.js
  • Zod
  • REST APIs

AI & Automation

  • Claude
  • Chatbots
  • Workflow automation
  • OCR

Systems & Servers

  • Windows Server
  • Active Directory
  • Microsoft 365
  • VMware
  • Hyper-V
  • Linux

Networking

  • CCNA
  • TCP/IP
  • DNS/DHCP
  • VLAN
  • VPN
  • Firewall

Cloud & Delivery

  • Vercel
  • GitHub Actions
  • PWA
  • Azure
  • CI/CD

IT Service Management

  • ServiceNow
  • Jira
  • ITSM
  • SLA

Languages

  • SpanishMother tongue
  • EnglishC1 — Negotiation
  • GermanB2
  • FrenchA2
  • ItalianPassive understanding (via Spanish)
  • PortuguesePassive understanding (via Spanish)

Education

Two higher vocational diplomas in IT

Software Application Development (2011) and Networked Computer Systems Administration (2014), complemented by continuing training.

Artificial intelligence6

Networking1

Degrees2

Services

How I can help

Three services, each backed by projects or experience you can check on this page.

01

Custom websites and apps

Multilingual corporate sites, shops and web apps, installable on phones and deployed on Vercel.

Examples: D'NAMAR, NATURÆ, JobPilot AI

  • Next.js
  • TypeScript
  • Supabase
  • PWA
02

AI automation

Assistants and workflows with Claude that read documents, classify requests and propose decisions a person reviews.

Examples: HelpDesk AI, Invoice Auto, WAAI

  • Claude
  • RAG
  • MCP
  • OCR
03

IT support and systems

User support and administration of Windows, Microsoft 365, Active Directory and networks, with incidents handled through tickets.

Examples: Lutelco, Nationale Nederlanden Bank, NSC

  • Windows
  • Microsoft 365
  • Active Directory
  • Networking

Clients

What Clients Say

“Extremely satisfied! Working with Vidal was straightforward and professional. The website was implemented exactly according to my vision and looks modern and high-quality. I especially appreciate the fast communication and the reliable work. I can absolutely recommend him!”
Nadjib RasulyCEO · D'Namar GmbH · Basel, Switzerland · dnamar.ch · April 2026
“From the first briefing to go-live, every technical detail was handled with precision and care. The trilingual platform Vidal built is fast, reliable, and exactly what our operations needed to work professionally.”
Maritza NajipOperations Manager · D'Namar GmbH · Basel, Switzerland · dnamar.ch · April 2026

Contact

Let's Connect

Available for full-stack projects, AI integration, and agency collaboration across Switzerland and Liechtenstein.

Immediately Available · Switzerland & Liechtenstein

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