Alex
Rivera
Building intelligent systems at the intersection of AI and product engineering. Specializing in LLM-powered applications, browser extensions, and full-stack solutions.
Who I Am
Passionate about building AI-powered products that make a real difference.
About Me
AI & Full-Stack Engineer
I'm Alex Rivera — a developer obsessed with building intelligent systems that actually work in the real world. I specialize in LLM-powered products, browser extensions, and full-stack applications that bridge cutting-edge AI research with practical, user-facing solutions.
My approach is product-first: I care deeply about workflow design, clean architecture, and building systems that are easy to evolve. Whether it's a Chrome extension that summarizes YouTube videos or a full-stack AI chat app, I love turning complex problems into elegant, impactful tools.
Education
Academic Background
B.S. Computer Science
State University · 2020 – 2024
Focus: AI, Machine Learning, Software Engineering
Online Specializations
Coursera · DeepLearning.AI · Fast.ai
Deep Learning, NLP, LLM Fine-tuning
Core Focus Areas
What I do best
Currently Working On
Building InstaScribe — AI browser extension for smart summaries
Exploring advanced RAG architectures and agent frameworks
Open to full-time AI/ML engineering roles
Work History
A timeline of roles, projects, and research that shaped my expertise in AI and full-stack engineering.
Total Experience
3+ years
Across AI, full-stack & research
AI Product Developer
ProjectInstaScribe (Personal Project)
Jan 2024 – Present
Built a full LLM-powered browser extension from scratch — handling everything from content extraction to prompt routing and UI design.
Engineered robust YouTube transcript + webpage content extraction with multi-stage DOM fallbacks
Designed prompt routing system supporting 5-point, 10-point, full summary, and Q&A modes
Built multi-tab popup UI with responsive interaction loops and smooth state management
Integrated LLM API with structured request/response handling and error recovery
Implemented fallback extraction paths to handle diverse and dynamic page structures
Featured Work
Hand-picked projects that showcase my skills in AI, full-stack, and product engineering.
AI Browser Extension
InstaScribe
LLM-powered Chrome extension that transforms YouTube transcripts and web articles into structured summaries with contextual Q&A. Built with robust multi-stage content extraction and prompt routing.
Real-time Conversational AI
AI Chat Application
Full-stack chat application with streaming AI responses, context-aware conversations, and persistent history. Built with WebSocket for real-time communication and OpenAI API integration.
AI-Powered Productivity
Smart Task Manager
Intelligent task management system using AI to prioritize tasks, suggest optimal scheduling, and surface productivity insights. Integrates with calendar APIs for seamless workflow.
Text Intelligence Tool
NLP Content Analyzer
Advanced NLP pipeline for extracting insights, sentiment, entities, and key phrases from documents. Supports multi-language input and exports structured analysis reports.
Technical Stack
A curated set of tools and technologies I use to build intelligent, scalable products.
Languages
5 technologies
Core Expertise
Get In Touch
Open to full-time roles, freelance projects, and interesting collaborations. Let's build something great together.
alex.rivera@example.com
linkedin.com/in/alexrivera
GitHub
github.com/alexrivera
Twitter / X
@alexrivera_dev
Let's Build Something Amazing
Whether it's an AI-powered app, a browser extension, or a full-stack project — I'm ready to bring your ideas to life.