About us

Brothers, partners. United by a passion for technology.

We are Ian and Francisco Williams. We enjoy learning, trying new tools and turning ideas into projects.

Together, we created Williams Infinity: a place to teach, experiment and develop solutions that help companies put AI to work. You will find us at tech communities such as La PerifèrIA in Manresa, Café Helmcode in Barcelona or 4YFN.

Get to know us
Ian and Francisco Williams at 4YFN in Barcelona
4YFN · Barcelona
Ian and Francisco Williams at a technology event
MWC · Barcelona

Meet Ian and Francisco

From the first conversation to training and development, these are the people behind the work.

Ian Williams

Co-founder

Ian Williams

AI training and consulting

I help companies find where AI can be useful and learn how to use it. I design training programmes and workshops, and work on automations and our own projects.

LinkedIn GitHub
Francisco Williams

Co-founder

Francisco Williams

CTO · Software engineering and AI

Computer engineer with more than 8 years building software for large companies: at NTT DATA, on projects for Allianz; at Allianz Technology, where I was an AI Ambassador and drove the adoption of generative AI; and at Kids&Us, where I took two platforms into production. Today I lead the technical side of Williams Infinity: architecture, AI agents and integrations.

LinkedIn GitHub

Tell us what you have in mind.

Whether you want to learn to use AI or develop a solution for your business, we can explore where to start together.

Talk to usExplore AI training

Portfolio

Ian Williams

Current projects

Project

Intelligent WhatsApp Assistant for Aesthetic Clinic

24/7 automated customer service system integrated into the official WhatsApp number of an aesthetic clinic, designed to improve booking conversion and reduce team workload.

What it does

  • Automatic handling of frequently asked questions
  • Real booking intent detection
  • Real-time availability check via Doctoralia API
  • Automatic generation of personalized booking link
  • Conversational state management
  • Smart handoff to reception

Impact

  • Continuous service outside business hours
  • Reduced operational workload
  • Improved appointment conversion

Project

Puertafría

In-house CRM for commercial prospecting of local businesses, designed to organize workspaces, pipeline and daily opportunity follow-up.

puertafria.com

What it does

  • Sales campaign organization by workspace
  • Structured management of opportunities and local businesses
  • Visual pipeline for sales follow-up
  • Notes, context and next-step tracking
  • Foundation ready for AI-assisted sales workflows
  • Authentication and access control system

Impact

  • Centralized lead capture and follow-up
  • Reduced operational friction
  • Accelerated sales process

Project

Web Development & Local SEO

Design and implementation of websites optimized for local capture and conversion.

What it does

  • Corporate website optimized for local SEO
  • API integrations
  • Conversion-oriented structure
  • Connected automations

Main Areas

Applied AI & Training
  • AI training for teams
  • AI workflow design
  • Generative AI tools
  • Sector-specific use cases
  • Practical business adoption
  • Applied AI consulting
Automation & Orchestration
  • n8n
  • Webhook architectures
  • Event-driven systems
  • API integrations
  • Stateful conversational logic
Frontend & Delivery
  • React
  • Next.js
  • Vite
  • HTML/CSS
  • Landing optimization
  • SEO local
Backend & Infrastructure
  • REST APIs
  • Server-side logic
  • Database design
  • Authentication systems
  • Deployment & production monitoring

Applied AI Systems

  • WhatsApp AI assistants in production
  • CRM and sales processes with AI
  • Lead capture and follow-up workflows
  • Conversion-driven conversational systems
  • Business process automation

Working Approach

  • AI applied to company processes
  • Business impact over technical complexity
  • Training matched to team level
  • Clear processes before automation
  • Product and adoption mindset

Contact

Contact

Portfolio

Francisco Williams

Current projects

Project

FittingBuddy

AI-powered virtual try-on Chrome Extension.

A browser extension that allows users to upload their photo and virtually try on clothing from any online store.

fittingbuddy.com

What it does

  • Upload your own photo directly inside the extension
  • Select garments from any e-commerce website
  • Generate AI-powered outfit simulations instantly
  • "Runway mode": generate short AI videos showcasing the outfit
  • Seamless integration within the browsing experience
  • Web application for subscription management
  • Access to previously generated looks
  • Stripe-based billing system

Project

Williams Infinity

AI consultancy building custom automation and AI systems for companies.

williamsinfinity.com

What it does

  • Business process automation
  • AI agents
  • Backend architecture
  • RAG systems
  • Custom integrations

Project

CopiloIT

AI-powered IT recruitment SaaS combining profile sourcing, candidate management, technical evaluation and real-time interviews with AI agents.

copiloit.com

What it does

  • Automated technical assessments
  • AI interview agents powered by OpenAI Realtime API
  • Skill segmentation by experience level
  • Structured evaluation reports for HR teams
  • Candidate discovery using web search + external APIs
  • Persistent candidate storage with relational + vector databases
  • RAG-powered semantic search across evaluated profiles
  • SaaS architecture with scalable backend

AI Engineering Projects

MCP Host

Framework to orchestrate Model Context Protocol (MCP) interactions.

GitHub
  • Multi-agent coordination
  • Tool integration layer
  • Context routing architecture
Products MCP Server

Custom MCP server implementation.

GitHub
  • Structured tool exposure
  • LLM-driven execution
  • Backend integration patterns
AI Roguelike RPG

Top-down roguelike game where NPCs are powered by GenAI + RAG.

This project explores how generative AI can drive dynamic and adaptive game narratives.

GitHub
  • LLM-driven NPC behavior
  • Persistent memory via RAG
  • Quest generation system
  • Game logic + AI orchestration
LangChain Telegram Bot

Telegram bot powered by LangChain with persistent memory.

GitHub
  • Conversation memory stored in MongoDB
  • APScheduler-based reminder system
  • LLM integration layer
  • Backend orchestration patterns

Core Stack

Backend
  • Spring Boot
  • PostgreSQL
  • SQL Server
  • REST APIs
  • Microservices architecture
  • Docker
AI / LLM Systems
  • LangChain
  • LangGraph
  • RAG architectures
  • Vector databases
  • Multi-agent orchestration
Frontend
  • React
  • Angular

R&D / Experimental Work

  • AI content generation pipelines
  • Multi-step agent orchestration systems
  • Game mechanics & trading card systems (Unity)
  • Video automation workflows
  • NFT & blockchain experiments (Solana)

Architecture Philosophy

  • Clean architecture
  • Strong domain modeling
  • AI systems designed as deterministic pipelines
  • Clear separation between orchestration and intelligence
  • Product-first engineering

Contact

Contact