👋 Hi, I'm

Javier Velásquez Rojas

Specialist in AI, automation, and digital transformation. I help brands grow with simple, results-driven strategies.

AI Synapsis
12 Years of
experience

Transforming businesses with technology and innovation

I help brands grow using artificial intelligence and automation. Simple, effective strategies focused on results.

50+ Global Brands
100+ Projects
4 Countries

Technologies & Skills

The full ecosystem I use to design, build, and scale digital solutions

AI & Machine Learning

Language models, autonomous agents, and intelligent data processing.

OpenAI / GPTLangChainClaudeWhisperNLPComputer VisionRAGFine-tuningEmbeddingsHugging Face

Frontend Development

Modern, fast, and accessible interfaces for web and mobile.

ReactNext.jsAstroTypeScriptTailwind CSSFramer MotionFigmaResponsive Design

Backend & Cloud

Scalable APIs, cloud infrastructure, and databases.

PythonNode.jsFastAPIFlaskAWSVercelSupabasePostgreSQLMongoDBRedisDockerREST / GraphQL

E-commerce

Online stores optimized for conversion and growth.

ShopifyShopify PlusLiquidWooCommerceStripeCustom CheckoutLogisticsCRO

Marketing & Growth

Data-driven acquisition and retention strategies.

Meta AdsGoogle AdsSEOGoogle AnalyticsGTMEmail MarketingGrowth HackingA/B TestingROAS Optimization

Automation & No-Code

Smart workflows that connect systems and eliminate repetitive tasks.

ZapierMake (Integromat)n8nWebhooksAPI IntegrationChatbotsCRM AutomationSlack / Discord Bots

Success Stories

Real problems, concrete solutions, and measurable results

AI Chatbot for Customer Support
AI & Automation

AI Chatbot for Customer Support

Designed and deployed a chatbot with NLP, intent engines, smart conditional flows, and human agent handoff.

+70% queries auto-resolved
-60% response time
24/7 multilingual
Digital Health SaaS Platform
SaaS & Development

Digital Health SaaS Platform

Full-stack development with React, omics science API integration, payment gateway, and user dashboard.

Launched in 4 months
200+ products in store
Custom analytics panel
AI-Powered Campaign Optimization
Marketing

AI-Powered Campaign Optimization

Acquisition flywheel with predictive AI: dynamic creatives, automated segmentation, and bid optimization.

ROAS x15 in key markets
-40% CPA in 3 months
Scaled to 4 markets
E-commerce with Integrated Logistics
E-commerce

E-commerce with Integrated Logistics

Migration to Shopify Plus with custom integrations for logistics, real-time inventory, and post-purchase automation.

+35% conversion
Synced inventory
Automated email marketing
Internal Operations Automation
AI & Automation

Internal Operations Automation

Workflows with n8n and APIs connecting CRM, Slack, Google Workspace, and billing. AI-powered automatic reports.

-80% repetitive tasks
Automatic reporting
Onboarding in 1 day
Full Real Estate Portal
SaaS & Development

Full Real Estate Portal

End-to-end development: UI/UX, search with filters, property gallery, contact form, and admin panel.

Live in 6 weeks
300+ properties
Automated leads

Solutions that transform

Services designed to drive your growth

AI & Automation Solutions

AI & Automation Solutions

Intelligent AI-powered solutions for marketing, sales, and operations. Includes chatbots, predictive analytics, automated workflows, and dynamic personalization.

Smart ChatbotsPredictive AnalyticsAutomated Workflows
Inquire
Growth Strategy & Performance

Growth Strategy & Performance

We combine analytics, data, and creativity to design acquisition, conversion, and retention strategies. From funnels and paid campaigns to experimentation-driven growth loops.

Conversion FunnelsPaid CampaignsGrowth Loops
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Full-Stack Development

Full-Stack Development

Digital product development (SaaS, landing pages, platforms) focused on scalability, speed, and conversion.

React & PythonAPIs & MicroservicesCI/CD Pipelines
Inquire
E-commerce Optimization

E-commerce Optimization

Technical and strategic optimization of online stores: CRO, UX, advanced analytics, automation, and remarketing.

CRO & UXAdvanced AnalyticsShopify & Custom
Inquire

What our clients say

Real experiences from companies that transformed their business

Thanks to Javier, we completely transformed our Meta Ads campaigns across multiple European markets. He introduced us to AI-powered performance: from dynamic creatives to predictive analytics. He implemented an acquisition flywheel with continuous ROAS optimization, reaching peaks of x15.

R

Retail Company CEO

International Retail

We managed to build a specialized omics science SaaS from scratch, fully integrated with a functional and modern online store. Javier's technical and strategic vision was key to launching our product with strength.

H

HealthTech Startup Co-Founder

Health & Technology

Javier deployed a fully customized customer support automation solution. He integrated NLP with intent engines, smart conditional flows, and human agent handoff. Today, over 70% of our queries are resolved automatically.

O

Operations Director

Technology & Electronics

We needed a fast, functional, and professional solution to connect people with properties. Javier provided end-to-end support, from design to full web portal deployment.

R

Real Estate CEO

Real Estate

With Javier, we stabilized and scaled our AWS infrastructure, optimizing costs and ensuring high availability. The change was key to professionalizing our digital operations.

E

E-commerce Team

E-commerce

Collaboration models

Choose the format that best fits your project

Consultation

Strategy session

Consulting sessions to guide your next digital step.

  • Initial audit included
  • 1:1 strategy session
  • Custom roadmap
  • Email support
Book a consultation

Project

Custom solution

Full implementation of digital solutions tailored to your business.

  • Full-stack development
  • AI integration
  • Weekly meetings
  • Post-launch support
  • Complete documentation
Let's talk about your project

Retainer

Ongoing partnership

Continuous optimization and dedicated month-to-month support.

  • Continuous optimization
  • Advanced AI integration
  • Priority support
  • Monthly reports
  • Guaranteed scalability
Request information

Technologies & tools I use

The ecosystem I work with to deliver results

OpenAI
Anthropic
Gemini
LangChain
React
Next.js
TypeScript
JavaScript
Node.js
TailwindCSS
AWS
Firebase
MongoDB
Shopify
WordPress
WooCommerce
TensorFlow
Pinecone
Make
Zapier
Vue
Flask
Dialogflow
Flux
PHP

Let's talk about your next project

Ready to transform your business with AI and automation? Drop me a line and I'll get back to you within 24 hours.

Office

C. Severo Ochoa, 11 1a, planta Oficina 2, Madrid, Spain