Laurence De Guzman — Full-Stack Developer & System Administrator

Laurence De Guzman is a full-stack developer and sole systems administrator based in Payatas, Quezon City, Philippines. A graduate of the Technological University of the Philippines - Manila, he has over 3 years of real-world experience building web applications, enterprise systems, automation workflows, and IoT solutions for real clients and businesses.

About Laurence

Currently working as the Technical Support Engineer and Sole Systems Administrator at Accupoint System Inc., a 30-year-old B2B company, where he manages a self-hosted Odoo 14 ERP on-premise, built a 24/7 AI chatbot running across 8 Facebook Pages with real-time HTTP scraping for live product stock and color availability, developed a VLAN network automation system, and handles the company website, Google Ads, servers, and complete employee IT support. Previously served as Chief Operations Officer at Google Developer Student Clubs - TUP Manila, and completed an OJT as IT Consultant at Elyon Solutions International handling Odoo ERP implementations.

Featured Projects

• NuVista HOA Management System — Full-stack SaaS for homeowners associations, built with Next.js, TypeScript, and Prisma. Live at nuvista.vercel.app.
• Facebook Messenger AI Chatbot — Multi-page 24/7 chatbot system deployed across 8 Facebook Pages with real-time product inventory scraping, powered by n8n and Google Gemini.
• Lazada AI Chatbot Integration — E-commerce chatbot using HMAC-SHA256 signed requests to the Lazada Open Platform API, integrated with Google Gemini via n8n workflows.
• Self-Hosted Odoo 14 ERP — On-premise Odoo 14 deployment and migration planning (14 → 17), custom modules including a price-change audit log module, PostgreSQL database optimization, and Cloudflare Tunnel for secure remote access.
• Automated Tomato Sorting System — Computer vision-based IoT project using Raspberry Pi and a Python-based sorting pipeline, developed for Ateneo students.
• RentCubao — 3D interactive rental property platform with immersive Three.js visuals.
• just1man.com — This portfolio site itself, built with Next.js, React Three Fiber, and deployed on Vercel with Cloudflare DNS.

Technical Skills

Frontend: React, Next.js, Vue.js, Angular, TypeScript, Tailwind CSS, Three.js, React Three Fiber, Webflow.Backend: Node.js, Express.js, Python (Django, Flask, FastAPI), PHP Laravel, Java Spring Boot, REST APIs, GraphQL.Databases: MySQL, PostgreSQL, MongoDB, Redis, Firebase, Supabase, Prisma ORM.DevOps & Infrastructure: Docker, Kubernetes, CI/CD pipelines, Git, GitHub Actions, AWS, Vercel, Netlify, Cloudflare Tunnel, Grafana, Datadog, Bash scripting.Automation & AI: Odoo ERP, n8n, Zapier, GHL, AI chatbots, API integration, Google Gemini, OpenAI.Hardware & IoT: Raspberry Pi, Arduino, computer vision, VLAN network automation.Security: Penetration testing, SSO, secure API signing (HMAC-SHA256).

Contact & Portfolio

Explore the full portfolio, experience, and project showcase at just1man.com/portfolio. Reach out via email through the contact section on the portfolio page, or find open-source work on GitHub (@imove0n).