Senior software engineer · 8+ years building software
AI · PHP / Laravel · JavaScript
I help businesses grow with web products, APIs, AI automation and websites your team can edit.
Explore my work Let’s talkWhere I can help
Explore the interface, my role and the engineering behind each project.
Selected interfaces
A selection of platforms and products. Some are under NDA and presented in a generalized form.
Engineering & platforms
Dental-practice website with structured treatment and team content, reusable Elementor templates and appointment contact routes. Adapted from the Luxedent template kit.
WordPress Web Developer
WordPress · Elementor Pro · ACF
A multilingual WordPress travel platform built end-to-end: custom child theme, 13 bespoke Elementor widgets, Leaflet-based tour discovery, and AJAX auth, search, and profile flows. Configured server, domain, and production deployment.
Sole Developer
WordPress · Elementor · PHP · Polylang · Leaflet · AJAX · WP Engine
Independently migrated an inherited WordPress theme to editable Elementor pages and templates, with six custom widgets, accessibility improvements and a controlled staging-to-production workflow.
Senior Full-Stack Developer
WordPress · Elementor Pro · PHP · ACF · WP-CLI
Choose an area. Explore one project at a time.
Led backend development for a multi-tenant telehealth SaaS: patient, order, prescription, payment, and automation workflows across six-plus integrations, plus AI agents and generative-API automation.
TechnologiesLaravel 11 · Filament 3 · Livewire 3 · MySQL · Redis · Horizon · AWS S3/SQS · Docker · Stripe · Twilio
A live sports-prediction app co-built with one colleague. Server-authoritative prediction flows, live standings, real-time updates, and HMAC-secured webhooks with scheduled external-data sync.
TechnologiesNext.js · React 19 · TypeScript · Supabase · PostgreSQL · RLS · Realtime · Zod · Vitest · Playwright · Vercel
Extended an existing platform with an AI article-analysis layer (structured metadata: categories, geography, political-bias scoring), a scheduled news-ingestion pipeline, Google Maps heatmaps with radial filtering, and a full custom social layer.
TechnologiesWordPress · PHP · MySQL · OpenAI · WP-Cron · Google Maps · ACF · jQuery
Built the wholesale (B2B) storefront theme for the Posh Peanut brand: Liquid + Alpine.js UI, a product-explorer experience powered by Searchspring and the Storefront API, AJAX cart features, and merchandising sliders. Shipped to production.
TechnologiesShopify OS 2.0 · Liquid · Alpine.js · Storefront API · GraphQL · Searchspring
Implemented an editor-managed canine spa website with reusable service templates and structured WordPress content, keeping routine content and layout updates in the visual editor.
TechnologiesWordPress · Elementor Pro · ACF
Plant encyclopedia with structured ACF records, live search and related care guides. A site plugin provides scientific-name search and related-content queries for Elementor grids.
TechnologiesWordPress · Elementor Pro · ACF · PHP
Property-finding website with editable regional content and WooCommerce paid registration. A dedicated plugin handles configurable checkout fields, validation, order details and PDF-invoice hooks.
TechnologiesWordPress · Elementor Pro · WooCommerce · ACF · PHP
Nutrition and wellness website with editable service plans, FAQs, blog templates and contact forms, adapted from an existing Elementor template kit.
TechnologiesWordPress · Elementor Pro · Yoast SEO
Water-treatment website presenting dispensers, reverse osmosis and softeners through editable solution pages, product imagery and consultation calls to action.
TechnologiesWordPress · Elementor Pro · Yoast SEO
WordPress websites built entirely with Elementor for Wilapp, including eCommerce projects. Fully customizable content and layouts through the visual editor. Selected client websites:
TechnologiesWordPress · Elementor
A HubSpot UI-Extensions prototype with React CRM cards (sortable table and status board) plus a Node.js/Express OAuth 2.0 proof of concept. Installed and demonstrated in a real HubSpot environment, then handed off to a successor developer.
TechnologiesHubSpot UI Extensions · React · Node.js · Express · OAuth 2.0 · Axios
A Laravel 11 REST API for event invitations: Sanctum auth, role/permission middleware, relational invitation/RSVP/companion modeling, Stripe subscriptions via Cashier, R2-compatible storage, and HMAC-backed expiring email verification.
TechnologiesLaravel 11 · PHP 8.2 · Sanctum · Spatie Permissions · Stripe Cashier · Cloudflare R2 · GitLab CI/CD
Led a beauty e-learning platform: Laravel API, Vue admin panel, JWT auth, asynchronous multi-resolution video processing with FFmpeg, Stripe card payments and real ACH via Plaid, Postmark email, and VPS deployment.
TechnologiesLaravel · Vue · JWT · FFmpeg · Stripe · Plaid · Postmark · VPS
Full-stack work for a high-traffic Argentine news publication: custom themes, a bespoke advertising plugin with Google Ad Manager/AdSense (rotation, segmentation, lazy loading), heavy performance optimization, and DigitalOcean operations.
TechnologiesWordPress · PHP · MySQL · Google Ad Manager · AdSense · DigitalOcean · Chartbeat · Sass
Translated Adobe XD designs into a custom Hello Elementor / Elementor Pro build for a nonprofit foundation: ACF-backed custom post types for grants, team, stories, and reports, plus editor-facing dynamic content controls.
TechnologiesWordPress · Elementor Pro · ACF · PHP · Adobe XD
A winery storefront on Hello Elementor / Elementor Pro with custom WooCommerce wine widgets, product field mapping, and a JavaScript flow that transferred the full cart to an external checkout platform.
TechnologiesWordPress · WooCommerce · Elementor Pro · JavaScript · PHP
A grouped case study of WordPress used as an application platform: a corporate publishing theme plus an internal asset-operations app with custom MySQL tables, authenticated REST APIs, bulk operations, and CSV/PDF reporting.
TechnologiesWordPress · PHP · MySQL · REST API · Knockout.js · ACF · Gravity Forms · Webpack
Agents, prompt engineering and generative APIs connected to real application workflows. Built with the queues, retries and human checkpoints around them.
Five focused ways I help teams move from ambiguity to reliable software, with AI at the center and strong healthcare, PHP, JavaScript, architecture, and delivery foundations.
Generative-API workflows, AI agents, structured outputs, and automation designed around real product constraints.
Explore serviceTelehealth platforms, clinical APIs, EHR/EMR-oriented workflows, secure data handling, webhooks, and multi-tenant backend architecture.
Explore serviceTechnical discovery, system boundaries, integration mapping, delivery sequencing, and pragmatic architecture for real teams.
Explore servicePHP/Laravel backends, JavaScript/TypeScript applications, APIs, integrations, asynchronous workflows, and maintainable delivery.
Explore serviceShopify B2B storefront development, WooCommerce flows, and custom WordPress platforms, with the integrations and editing tools each team needs.
Explore serviceI'm Luis Vargas, a Senior Software Engineer with 8+ years of experience building SaaS, CMS, and eCommerce products. My core stack combines PHP/Laravel and JavaScript/TypeScript with APIs, AI automation, and reliable backend architecture.
My experience includes technical leadership on telehealth and healthcare integrations — clinical APIs, EHR/EMR workflows, secure data handling, and reliable webhooks — as well as AI agents and generative-API automation. Whatever the project, I care about clean architecture and interfaces that feel calm to use.
Several roles overlap across remote engagements — dates are exact, not strictly sequential.
What do you want to build or improve? Share a little context so we can find the right next step.
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