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Andres Campanario

Senior Freelance Full-Stack Developer
Vue.js, Node.js, PHP, AI & CI/CD

About Me

Senior Full-Stack Developer with over 25 years of experience, specialised in PHP/CakePHP/Symfony/Yii2, Node.js and Vue.js, with data architecture skills (MySQL, PostgreSQL, Redis, MongoDB, ElasticSearch) and DevOps (Docker, GitLab CI, Linux server administration).

I help startups, agencies and growing companies make technical decisions that save time, money and future headaches: I design the architecture from the start, lead technical teams and make sure deployments don't break what's already working.

With experience across the complete product lifecycle, I have designed and built custom solutions including SaaS platforms, ERPs, e-commerce, intranets, and B2B portals. I deploy architectures to production through automated CI/CD pipelines and handle ongoing infrastructure optimization and scaling to reliably accommodate traffic peaks.

I integrate AI practically into my daily work: LLMs and code assistants to accelerate development, autonomous agents, code reviews and automations with OpenAI and Claude models — as a real tool to multiply productivity, not as a trend.

I also collaborate with Braval, an NGO in the Raval (Barcelona) dedicated to education, sports and fighting the exclusion of young immigrants.

Work Experience

2022 - Present
Cake Development Corporation

Senior Full-Stack Developer | Architecture & DevOps

  • Architecture and infrastructure design for new projects and custom developments.
  • CI/CD pipelines in GitLab with server automation and configuration management — reproducible environments and zero-downtime deployments.
  • Multi-container Docker infrastructure in production: secure, auditable and scalable.
  • Development of a medical appointment manager for clinics with scheduling, calendars, communications integration and real-time video calls.
2011 - Present
ACampanario

Senior Freelance Full-Stack Developer

  • End-to-end technical consulting: requirements gathering, functional analysis, architecture design and custom development for clients across multiple sectors.
  • Development of e-commerce portals, document management systems and vertical platforms for sports, education and outdoor leisure sectors.
  • Third-party API integration (Google Maps, Google Charts, PayPal, Amazon, social media) to extend functionality and connect ecosystems.
  • Data architecture design on MySQL, PostgreSQL, MongoDB and Elasticsearch, tailored to each project's performance and scalability needs.
  • Linux server administration and optimization (Debian, Ubuntu) using tools like Memcache, Varnish and SphinxSearch to maximize production performance.
  • Deployment of open source tools (Redmine, OpenERP, Fedora Commons) as management solutions adapted to each client.
2015 - 2019
DPM Consulting

IT Consultant

  • Development of a multi-departmental project management platform for 2,000+ users: Oracle integration, load-balanced servers, real-time notifications and automated KPI calculation from external data.
  • Automated executive report generation system in Excel and PowerPoint with dynamic charts from staff surveys — eliminating weeks of manual work.
  • Strategic technical consulting, junior team management and system administration.
2013 - 2018
Notes in Cloud

CTO & Co-founder

  • Founded and led a SaaS platform for digital music content management and distribution.
  • Full PaaS architecture: digital file e-commerce, collaborative tools for publishers and authors.
  • Proprietary OAuth 2.0 API integrating open source components with third-party extensibility.
  • Production infrastructure deployment and operation. Technical team leadership.
2014 - 2015
inAtlas

Programmer Analyst

  • Integration of geocoding services with the Google Maps API for the inAtlas Places web platform.
  • Frontend development and optimization, improving SEO positioning and search engine performance.
  • System infrastructure optimization to improve response times and overall platform performance.
2008 - 2011
Cirici Thinking Digital

Programmer Analyst

  • Project management, time estimation and UML analysis for the development of CMS, online stores and intranets.
  • Class architecture and wireframe design as a foundation for scalable developments.
  • Development with PHP and MySQL on frameworks such as CakePHP and Zend Framework.
2008
Lavinia

Programmer Analyst

  • Project analysis and UML design (classes, navigation, wireframes) for e-commerce portals and interactive internet television platforms.
  • Supervision and mentoring of junior developers building on the proprietary CMS Lavinia Vertebra 2.0.
  • Development of e-commerce solutions and multimedia content platforms in PHP.
2007
Abilbo

Programmer Analyst

  • Development of custom content management systems using Zend Framework.
  • Frontend development with AJAX (Mootools) and fully interactive microsites in ActionScript 2.0 with object-oriented architecture.
  • Creation of multimedia presentations and interactive pieces for commercial purposes.
2006 - 2007
Cometa Technologies, Smile group

Programmer Analyst

  • Integration of open source CMS platforms (eZ Publish) and project development on custom PHP frameworks.
  • Implementation of online geocoding with the Google Maps API in web platforms.
  • Installation and configuration of hosting servers on Fedora distributions.
2005
Area de Ventas

Programmer

  • Development of internal management tools in PHP and MySQL, and maintenance of the Iberestudios educational portal.
  • Network administration (8 workstations + 2 servers) with Microsoft SQL Server and a Linux pre-production server.
  • Advertising campaign tracking implementation: banners, emailings and pop-ups.
2004 - 2005
eMascaro

Programmer

  • Development of e-learning courses and interactive educational exercises in JavaScript and ActionScript.
  • Course tracking development compatible with SCORM platforms.
  • Creation of multimedia CDs and interactive corporate presentations.
2001 - 2003
SIGE

Programmer

  • Development of energy calculation and statistical applications for engineers in Delphi and Fortran.
  • Design and implementation of intranet applications in ASP and corporate websites in PHP and MySQL.
  • Early experience in internal solution architecture combining Windows and web environments.
2000 - 2001
Universitat Rovira i Virgili

Programmer (Scholarship)

  • Designed and built the university's first job offers and candidate management system: FileMaker integration, automated forms, offer publication and email notifications.

Tech Stack

  • Docker
  • DDEV
  • CI/CD
  • AI / LLMs
  • Vue.js
  • Node.js
  • CakePHP
  • Symfony
  • Laravel
  • Yii2
  • Git
  • MySQL
  • PostgreSQL
  • Debian
  • Ubuntu
  • Nginx

Tech Skills

  • PHP
  • MySQL
  • PostgreSQL
  • Javascript
  • NodeJs
  • jQuery
  • Vue
  • Bootstrap
  • TypeScript
  • Python
  • AWS
  • MongoDB
  • Redis
  • ElasticSearch
  • indexedDB
  • Sphinx
  • Paypal API
  • Stripe API
  • Google API

Soft Skills

  • Leadership
  • Management
  • Empathy
  • Active listening
  • Strategic thinking
  • Collaboration
  • Brainstorming
  • Curiosity
  • Experimentation
  • Planning
  • Goal-setting
  • Delegation
  • Analysis
  • Initiative
  • Professionalism
  • Evaluation
  • Negotiation

Volunteering

Braval (2012 - Present)

  • Administration of Google Workspace and Microsoft 365 Non-Profit services, ensuring access to professional tools at no cost.
  • User, role and permission management across the NGO's cloud infrastructure, ensuring security and access control.
  • Maintenance and improvement of the organization's website to support its visibility and outreach.

Education

  • Technical Engineer, Computer Management
    URV (University of Rovira i Virgili)
    1996 - 2001

Languages

  • English
  • Spanish