Gianfranco.JS

I'm a Senior Software Engineer with 10+ years of experience designing, building, and deploying production applications, APIs, SaaS platforms, and AI-powered products.

I specialize in full-stack development, AI agents, and LLM-powered applications, combining years of hands-on software engineering experience with modern AI technologies.

I'm an active software engineer who also enjoys helping other developers. Although I'm no longer mentoring full-time, I'm available for occasional 1-on-1 coding sessions, debugging, architecture guidance, and code reviews.

🤖 AI Engineering & Agents

• LLMs: OpenAI, Anthropic Claude, Google Gemini, Groq, AWS Bedrock, and local models (Ollama, LLaMA)
• AI Frameworks: Vercel AI SDK, Google ADK, LangChain, CrewAI, AutoGen
• AI Agents: Tool/function calling, MCP (Model Context Protocol), multi-agent systems, autonomous workflows
• Voice AI: LiveKit, real-time voice agents, telephony integration, browser-based voice calls
• RAG & Knowledge Bases: Vector search, embeddings, MongoDB Atlas Vector Search, retrieval pipelines
• LLM Engineering: Prompt engineering, structured outputs, evaluations (evals), testing, observability, and reliability

🚀 Full-Stack Software Development

• JavaScript & TypeScript: React, Next.js, React Native, Expo, Astro
• Backend: Node.js, Express, Fastify, REST APIs, GraphQL
• Python: FastAPI, Flask, automation, API development
• Databases: MongoDB, PostgreSQL, Redis
• Frontend: HTML, CSS, SCSS, Tailwind CSS
• Testing: Playwright, Vitest, Jest

☁️ Cloud, DevOps & Infrastructure

• Cloud Platforms: AWS, Google Cloud, Vercel, Cloudflare, DigitalOcean
• Linux & Containers: Ubuntu, Debian, Docker, Bash
• Serverless: AWS Lambda, Cloudflare Workers, Vercel Functions
• CI/CD & Monitoring: GitHub Actions, Jenkins, Sentry, New Relic

💡 How I Can Help

Whether you're debugging a React application, building a backend API, integrating an LLM, developing an AI voice agent, or planning the architecture of a new product, I can help you work through the challenges.

I bring real-world engineering experience to mentoring sessions, focusing on practical solutions, clean architecture, and understanding the trade-offs behind technical decisions.

I have also spent years teaching and mentoring developers, helping beginners and experienced engineers improve their skills and confidence.

❤️ Open source enthusiast: github.com/gianpaj

Stuck on a problem or need a second opinion? Click Let's Chat and tell me what you're working on.