Freelancer profile translated to English.
Back to original languageAbout Arturo
I design and build AI systems with agents that automate real work: analysis, development, documentation, and operations. My specialty is Claude Code — Skills, sub-agents, MCP servers, and agent architectures both locally and with managed agents — combined with over 10 years of software architecture in enterprise environments (banking, telco, and industry).
I don't come from the hype: I come from having led teams of up to 20 people and trained over 70 professionals. When I set up an agent or an MCP, I set it up with production in mind: quality, maintainability, cost control, and security.
How I help my clients: production-ready agent architectures (local and managed); custom MCP servers to connect your tools and data to LLMs; Skills and automations with Claude Code to accelerate your teams; RAG pipelines and internal assistants on your knowledge base; audit and hardening of existing AI workflows.
Solid technical foundation: React/TypeScript, Node.js, cloud (AWS/Azure), CI/CD, and testing.
Spanish
Native or bilingual
English
Basic
Can work on-site
Madrid (up to 50km)
Experience
- FreelanceFrontend / Full-stack / Solutions ConsultantTECHSeptember 2025 - Today (9 months)Madrid, Spain• Development and evolution of frontend web applications (primarily React/TypeScript depending on the project), focusing on performance, maintainability, and quality.• Design of frontend architecture and coordination of integration with APIs and services (when applicable: Node.js and cloud).• Automation of workflows with "agentic/LLM" tools (Google Antigravity as an agent-first environment, Claude Code, and use/creation of Skills for repeatable tasks like scaffolding, checks, and documentation).• Refactoring and reduction of technical debt: testing (Jest/Cypress), CI/CD, and review standards.• Occasional mentoring, code reviews, and team support on architectural decisions.
- AXPE Consulting SLTechnical Unit ManagerTECHFebruary 2024 - August 2025 (1 year and 6 months)Madrid, Spain• Led a multidisciplinary team of ~20 people (frontend, backend, architecture, cloud).• Implementation and improvement of agile processes (Scrum/Kanban) to increase focus, visibility, and delivery cadence.• Design and implementation of cloud solutions in AWS and Azure; adoption of serverless and microservices as needed.• Development of IoT solutions for the industrial sector (integration with MQTT/AMQP).• Optimization of existing systems with reported performance improvements (~35%) and modernization of legacy components.• Team training: internal workshops, mentoring for junior/mid-level profiles, and growth of technical autonomy.• Client and stakeholder communication: discovery, technical proposals, and demos.
- Sopra SteriaSenior Front EndTECHOctober 2021 - February 2024 (2 years and 4 months)Madrid, Spain• Responsible for training at Smartup: design of plans and training of 70+ professionals (React, Angular, TypeScript, Node.js).• Frontend architecture in React projects (Redux) applying patterns, standards, and best practices.• Development of SPAs optimized for SEO and performance.• Team leadership at banking and telecom clients: planning, estimation, and tracking (Jira/Confluence).• Modernization and maintenance: refactoring, dependency updates, and AngularJS → Angular 8+ migration.• Participation in selection: technical interviews and performance feedback.
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