Denilson Arguello

Web developer based in Paraguay. WordPress websites, custom applications and integrations.

About

My experience combines freelance work in Paraguay, personal projects and collaboration with teams. I work with PHP, WordPress, React and Node.js.

I’m part of OnlineHelp, a team offering web development, design and digital marketing services.

Meet OnlineHelp

I have also contributed to private company projects. I respect their confidentiality and do not publish code, client names or materials without permission.

Professional experience

Freelance

Independent work in Paraguay.

OnlineHelp

I’m part of OnlineHelp, a team offering web development, design and digital marketing services.

Education and training

SNPP

2017

Tools I work with

Backend and integrations

PHP · Node.js · REST APIs · MySQL · PostgreSQL · MongoDB

Web interfaces

JavaScript · TypeScript · React · HTML · CSS · Tailwind CSS

WordPress and tools

WordPress · Plugins · Git · Telegram bots

Infrastructure and deployment

Docker · Vercel · VPS · MySQL · PostgreSQL · Cloudinary

Across my projects I work with Vercel and my own VPS, Docker containers and SQL databases. I use PHP in some parts and Cloudinary for Karuplan’s images.

Selected work

Karuplan

Recipes and menus to organize your week

I developed the entire project: a recipe and meal-planning website with a social dimension for its community.

Qlinnt

Quality checks for AI-built websites

I developed the entire project, including the review experience and website scanning.

Accounty

Household finances on the web and Telegram

Development of the application, budgeting logic and receipt-reading bot.

Personal use · private access

InvoiceGen Pro

Invoice templates tailored to each job

Design and implementation of the visual editor and reusable-data template system.

Personal use · private access

Get in touch to discuss experience relevant to your role or project. hello@denilson.me