John Lorenz
Masa
I build fast, scalable web applications from pixel-perfect frontends to robust backend systems. Currently focused on React, Node.js, and distributed architectures.
Crafting digital
experiences that matter.
I'm a full-stack developer with over 5 years of experience building products that a lot of people use. I care deeply about the intersection of engineering excellence and design sensibility.
My work spans the entire stack — from architecting distributed backend systems to sweating the micro-interactions in a UI. I believe software should be fast, accessible, and delightful.
I am located in Laguna/Makati and when I am not coding you'll find me enjoying foods around my hometown.
Selected
work.
All repos on GitHub →Casa De Padrid Online Services
Web application used for handling reservation for customers who want catering for their events
Compus Ministry Online Services
Web and mobile application use for evaluation of formation services offered by Campus Ministry Letran Calamba
TravelMate
Androind Mobile Application made for traveling with live maps that shows nearby restaurants, Hotels, gas station and hospital with news embeded
Geo Information App
Web application showing pinpoint projects across a leaflet map
Document Control App
Web Application for listing documents and providing PDF Crystal Reports
Tech
arsenal.
Technologies I work with daily and have shipped to production.
Frontend
Backend
Infrastructure
Tools & Workflow
Where I've
worked.
Full-Stack Developer
Leads the end-to-end development of internal administrative systems including an HRIS, Document Control System, Inventory System, and Supplies Management System. Builds specialized engineering tools that assist structural engineers with computations, data analysis, and workflow efficiency using a modern tech stack — ReactJS, NextJS, Tailwind, NodeJS, ExpressJS, Prisma, MySQL, REST APIs, and Microservices. Also designed and launched the company's public-facing website, and provides ongoing IT support to end-users covering software installations, hardware troubleshooting, and network issues.
Innovation Expert / Developer
Developed and automated key L&D processes across departments, delivering digital solutions such as an e-Training platform, Learning Management System, and Trainers Evaluation System. Leveraged a diverse tech stack including HTML, CSS, PHP, MySQL, JavaScript, ReactJS, NodeJS, MS VBA, and Microsoft Power Platform to streamline workflows and reduce manual effort. Conducted software training sessions for associates, specialists, and team leaders, and provided ongoing technical support across the organization.
Let's build
something
great.
Whether you have a project in mind, want to discuss a role, or just want to chat about tech — my inbox is always open.