Javier Manzano
CEO & Founder at Soamee
Software engineer with over 10 years of experience leading web development, mobile app and artificial intelligence projects. Founded Soamee in 2017 from Madrid, focused on delivering high-quality artisan software for startups, SMEs and enterprises across Europe and Latin America.
Experience
Over a decade building software for startups, SMEs and enterprises. Specialized in React, Node.js, Python and cloud architectures (AWS).
Specialization
Artificial intelligence, AI agents, LLM integration (GPT-4, Claude), web and mobile development, and scalable software architecture.
Global reach
Projects across Spain, Europe and Latin America. Working in three languages: Spanish, English and Portuguese. Clients in fintech, retail, healthtech and edtech.
Latest articles
Claude vs GPT-4 vs Gemini: Business Guide 2026
Claude, GPT-4 and Gemini compared for business use. Pricing, context, strengths and multi-model strategies 2026.
How to Build an AI Agent for Your Business
Step-by-step tutorial for enterprise AI agents. Architecture, MCP protocol, multi-agent patterns and best practices.
RAG vs Fine-tuning: When to Use Each in 2026
Choosing between RAG and fine-tuning for enterprise AI. Cost, performance comparison and decision framework 2026.
Power BI vs Looker vs Custom: Decision Guide
Choosing between Power BI, Looker Studio and custom dashboards. Cost, features and recommendations by use case.
Designing APIs That Scale: 150+ Project Lessons
Patterns for scalable APIs: versioning, pagination, rate limiting and idempotency. Lessons from 150+ production projects.
REST API vs GraphQL: when to use each in 2026
REST API vs GraphQL: performance, use cases, learning curve and when to choose each in modern web projects.
Build a Marketplace: Lessons from 4 Projects
Lessons from 4 real marketplaces: architecture, launch strategy and growth. Real projects and real data.
Shopify Plus vs custom development: 2026 guide
Complete guide to deciding between Shopify Plus and custom e-commerce development. Cost comparison, features, scalability and real use cases.
Recurring Subscriptions in Your App: Tech Guide
Implement recurring subscriptions: architecture, Stripe Billing, RevenueCat, dunning and proven design patterns.
Stripe vs Redsys vs Adyen: Payment Guide for Spain
Stripe, Redsys and Adyen compared for businesses in Spain. Fees, integration complexity and when to use each gateway.
How to build a real-time IoT dashboard
Step-by-step tutorial for building a real-time IoT dashboard. Tech stack, WebSocket, time-series data, React, alerting and data architecture.
MQTT vs HTTP for IoT: when to use each protocol
Technical comparison between MQTT and HTTP for IoT projects. QoS, overhead, battery consumption, latency and real use cases to choose the right protocol.