Building intelligent systems with React, Node.js, TypeScript, and RAG architectures. Currently focused on production AI/ML applications and scalable cloud infrastructure.

I architect and build production-grade full-stack applications with a focus on AI/ML integration. With 13+ years of experience, I specialize in:

• 🤖 RAG Systems: Building retrieval-augmented generation pipelines with LangChain, OpenAI, and vector databases
• ⚡ High-Performance APIs: GraphQL and REST APIs serving 50,000+ users
• ☁️ Cloud Architecture: AWS, GCP, and Azure with Docker/Kubernetes orchestration
• 📊 Database Design: PostgreSQL, MongoDB, Redis, Elasticsearch with performance optimization
• 🎨 Modern Frontend: React, TypeScript, Next.js with exceptional user experiences

Senior Full-Stack Engineer @ SOSA Inc (Remote, Global)

• Building AI-powered innovation management platform with RAG-based semantic search
• Implementing production LLM features using OpenAI GPT-4 and Elasticsearch vector search
• Achieving 85%+ startup matching accuracy with sub-100ms query response times
• Leading distributed engineering teams across multiple time zones

Tech Stack: React, TypeScript, Node.js, Ruby on Rails, PostgreSQL, Elasticsearch, LangChain, OpenAI API, Kubernetes, GCP

Production-ready RAG system for intelligent documentation search

• Hybrid search (vector + keyword) achieving 87% retrieval precision
• Sub-2 second response times with streaming LLM responses
• 60% cost reduction through intelligent caching strategies
• Built with: TypeScript, Node.js, React, OpenAI, Pinecone, Redis

Modern LMS serving thousands of students and educators

• Real-time collaborative features with Socket.IO
• GraphQL API with complex data relationships
• High-performance MySQL optimization (60% query time reduction)
• Built with: Node.js, TypeScript, React, NestJS, GraphQL, MySQL

Enterprise training platform for corporate professional development

• Multi-cloud deployment (Azure + GCP) with 99.9% uptime
• CPD points tracking and certification management
• Scalable architecture serving multiple corporations
• Built with: Node.js, React, GraphQL, Azure, GCP

• 🚀 13+ years of professional software engineering experience
• 👥 Mentored 8+ junior developers into senior roles
• 📈 50,000+ users served across education technology platforms
• ⚡ 60% performance improvement through database optimization
• 🤖 85% accuracy in AI-powered startup matching system
• ☁️ 99.9% uptime maintained across cloud deployments
• 💰 60% cost reduction in LLM operations through optimization

• 🔬 Advanced RAG techniques (agentic workflows, multi-modal retrieval)
• 🦀 Rust for high-performance systems programming
• 🧠 LLM fine-tuning and prompt engineering optimization
• ☸️ Advanced Kubernetes patterns and service mesh
• 📊 LLM observability and production monitoring

I'm open to:

• 💼 Senior Engineering Roles (Remote, AI/ML focus preferred)
• 🎤 Speaking Opportunities (Technical conferences, webinars)
• 🤝 Open Source Collaboration (AI/ML, Developer Tools)
• 💬 Technical Discussions (RAG systems, Full-Stack architecture)

Preferred Communication:

• 📧 Email: nemmar.ramos@gmail.com
• 💼 LinkedIn: linkedin.com/in/nemmarramos

• 🌏 Based in Quezon City, Philippines (UTC+8)
• 🌐 Open to global remote opportunities
• ⏰ Flexible with US, EU, and APAC time zones
• 🛫 Available for occasional travel

• 💻 Self-taught software developer - learned programming through online resources, documentation, and building real projects
• 🎮 Built my first Android game during college
• 📚 Self-taught AI/ML while working full-time with a family
• 🌱 Passionate about education technology and accessibility
• 🏃 Balance coding with running and family time
• 🇵🇭 Proud Filipino engineer contributing to global tech
• 🎓 Proof that skills + experience > degrees in tech

• 📋 Download Resume (PDF)
• 💼 View Portfolio
• 📊 Project Showcase
• 📝 Technical Blog
• 🎥 Demo Videos