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Alex Sanz

Resume

Alex Sanz

Technical Lead | Applied AI & Product Engineering

Target roles: Technical Lead | AI Lead | Head of Engineering

+34 645 333 777 alexsanz@gmail.com alexsanz.me linkedin.com/in/alexito Valencia, Spain
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Professional Summary

Technology leader and product engineer with 15+ years in enterprise software, banking and retail in Spain and the UK. Experience managing people, hiring decisions, vendors and budgets, and defining technology strategy with executive leadership. Combine hands-on AI engineering with platform architecture. Lead AI adoption at Andreu World and build Nala. Previously led iOS architecture and technical coordination across four Santander markets.

Professional Experience

Technology Innovation Lead

Andreu World · Valencia, Spain

Oct 2024 - Present

Lead technology strategy, platform architecture and enterprise AI adoption, aligning technical teams and business stakeholders from discovery to delivery.

  • Design and build a data lake connecting SAP with group applications, exposing data as services and vector representations for semantic search and applied AI.
  • Develop private cloud infrastructure with Kubernetes, Argo CD and GitOps for continuous delivery of platform services.
  • Lead configurators, quoting systems and digital asset platforms, defining scalable and maintainable architectures.
  • Redesigned pricing and product information processes through as-is analysis and to-be workflows across commercial, operations and technology teams.

Applied AI Projects

Founder & AI Product Engineer

Nala · nalaproject.com

2024 - Present

Build Nala, a conversational AI assistant for children with autism, language delays and learning difficulties, owning architecture, product design and production deployment.

  • Build the AI runtime with Next.js, React, Genkit and OpenAI: LLM orchestration, tool use, controlled session memory, streaming and observability.
  • Design intent detection, safety evaluation, fallback paths and profile-based personalisation, with a family dashboard for limits and preferences.

Previous Professional Experience

iOS Technical Lead

Santander Spain · Plexus · Remote

Jun 2023 - Nov 2023

Led core architecture for OneApp across Spain, the UK, Portugal, and Poland, aligning technical decisions across multiple markets and teams.

iOS Technical Lead

Inditex · Cognizant · Valencia, Spain

Oct 2022 - Jan 2023

Led agile squads responsible for the Retail Director App and real-time operational reporting capabilities in the Inditex environment.

  • Technical prioritisation, delivery quality and coordination with product and business stakeholders.

iOS Technical Lead

Santander UK · Milton Keynes, United Kingdom

Jan 2018 - Jun 2022

Led iOS initiatives within the innovation area for mobile financial products used at scale.

  • Defined product architecture and system design with demanding UX, security and performance requirements.
  • Coordinated platform rollouts across Spain, the UK, Portugal and Poland, aligning technical and business stakeholders.

Senior iOS Developer

Santander UK · Milton Keynes, United Kingdom

Aug 2015 - Jan 2018

Senior iOS developer focused on innovation initiatives and high-quality mobile experiences in financial services.

Earlier experience: mobile engineering, data and systems

William Hill · Sportingbet · Capgemini · GFT · Spain and the United Kingdom

Jan 2006 - Aug 2015

  • iOS development for casino and betting products at William Hill and Sportingbet.
  • Mobile specialist and BI consultant at Capgemini for Bancaja, including Oracle SQL, PL/SQL, and reporting work.
  • Early experience in application operations, issue resolution, and evolving requirements at GFT.

Professional Development

Applied AI professional development

Independent learning and personal projects

Nov 2023 - Aug 2024

Sabbatical focused on applied AI, local models, retrieval-augmented generation (RAG) and LLM orchestration.

Awards and Community

Awards and technical community

  • Payoo: Best Innovation App, Santander UK (2016). OnePay: Innovation Financial Award, Santander UK (2018).
  • Top 100 MVP, Capgemini Financial Services. Founder of the Santander UK mobile community.

Education

Engineering in Telecommunication Technologies

University of Valencia

2002 - 2005

alexsanz.me September 2026