Senior AI Engineer & Machine Learning Specialist 🤖

Welcome to my GitHub! I'm an accomplished AI engineer with 10+ years building intelligent systems that transform businesses. Currently architecting cutting-edge AI educational platforms at Fxperto/Educare Tech.

• 🎯 Real-time Voice AI: Building systems with 50ms latency using LiveKit and OpenAI Realtime API
• 🧠 Conversational AI: Expert in LangChain, LangGraph, and intelligent agent orchestration
• 📊 Production Scale: Systems processing 1M+ daily transactions with measurable impact
• 🔄 Legacy Modernization: Transforming monolithic systems with modern AI capabilities

• Senior AI Architect at Fxperto/Educare Tech - Leading AI education platform development
• 40% cost reduction and 60% efficiency improvement across implementations
• Built national telecommunications system for 100M+ phone numbers
• 92% user satisfaction in healthcare AI applications
• Top 15% Kaggle Competition Expert

• LLMs: GPT-4, Claude, Custom Models
• Frameworks: LangChain, LangGraph, TensorFlow, PyTorch
• Voice AI: LiveKit, OpenAI Realtime, Deepgram, ElevenLabs, Vapi
• ML Tools: XGBoost, AutoGluon, TabPFN

Architected hybrid voice system achieving 50ms response latency with dual pipeline for instant responses and deep analysis. Reduced operational costs by 40% while maintaining 95% accuracy.

Developed robust financial data system with strict validation achieving 90% error reduction. Implemented 100+ test cases ensuring data integrity and 40% processing speed improvement.

Created emotion-aware therapy application processing 10K+ sessions with advanced psychological pattern detection and crisis intervention capabilities.

• 🥇 Google Cloud ML Engineer Certified
• 🎯 Kaggle Competition Expert (Top 15%)
• 🚀 Successfully delivered government contracts
• 📊 Built systems serving 100M+ data points
• 🤝 Active AI hackathon participant at lablab.ai

• 🔮 Advanced LangGraph workflows and agent orchestration
• 🎤 Ultra-low latency voice AI systems
• 🧩 Pydantic v2 schemas for robust data validation
• 🎓 AI-powered educational technology

• 📧 Email: josuedirecto@gmail.com
• 💼 Portfolio: josuetostado.vercel.app
• 🏆 Lablab.ai: @joztos50
• 📱 Phone: +52 442 156 0991

💭 Open to collaborate on: AI/ML projects, Voice AI applications, Educational technology, and innovative startups

⚡ Fun fact: I built a pre-ChatGPT conversational commerce system that processed 1000+ daily orders!