Senior Full Stack Engineer · Costa Rica (UTC−6)

Software that
holds.

I build web platforms end to end, from the interface to the APIs, payments and integrations behind it, for global brands in retail, energy and healthcare. Available for projects, consulting and senior remote roles.

Work with me See my work

8+years in production

700K+active users reached

5countries, one codebase

Trusted by teams in retail · energy · healthcare · government

Services

Where I
can help.

Bring me in when getting it wrong is expensive: a launch you can’t afford to break, payments that have to add up, or systems that don’t talk to each other.

Web apps & dashboards

Fast, maintainable interfaces in Angular, React and Next.js, from customer-facing apps to internal dashboards, built to stay quick at scale.

AngularReactNext.jsTypeScript

Payments & checkout

Take payments across gateways, currencies and point-of-sale systems without losing orders or breaking reconciliation.

StripeGatewaysPOSMulti-currency

APIs & architecture

Design or untangle the APIs your apps and partners depend on: versioned, documented and secure by default.

Node.jsNestJSOpenAPIOWASP

Integrations & automation

Connect SAP, Odoo, WooCommerce, Shopify and WhatsApp so data moves on its own instead of by spreadsheet.

SAPOdoon8nWebhooks

AI inside your product

Add AI where it pays off (WhatsApp assistants, back-office automation, search over your own data) with cost and failure modes under control.

OpenAIRAGpgvectorWhatsApp API

Cloud & releases

Move to AWS or containers with CI/CD and zero-downtime releases, so shipping stops being an event.

AWSDockerKubernetesGitHub Actions

Ways to work together

Project

A defined scope, timeline and price. Good for a new platform, an integration or an MVP.

Start a project →

Consulting

Hourly or monthly retainer for architecture reviews, code audits, technical due diligence or a second opinion before a big decision.

Book a call →

Full-time (remote)

Senior full stack roles on a product team, remote from Costa Rica (UTC−6).

Get in touch →

Written proposal before any code · Weekly progress you can see · Your code, docs and access stay yours

Selected work

Work that runs
in production.

Full Stack

Multi-Country E-Commerce Platform

Multi-country e-commerce platform built from a single codebase — serving five markets across Latin America and the Caribbean. Implemented multiple payment gateways, POS integrations to route online orders, and managed replicated AWS infrastructure.

AngularNode.jsTypeScriptPostgreSQLAWSPayment APIs

5 countries · Multi-currency payments

Frontend

Loyalty Platform Migration

Led the frontend migration of a high-traffic rewards platform from legacy C# to Angular + C#. Delivered critical performance optimizations for reward accumulation and redemption workflows under heavy load.

AngularC#.NETTypeScriptSQL Server

700K+ active users

Backend

Hospital Patient App API

Sole backend developer for the hospital’s Flutter patient application. Designed and built a secure RESTful API using Node.js and SQL Server, OWASP-aligned. Configured Nginx and full CI/CD with GitHub Actions for zero-downtime deployments.

Node.jsTypeScriptSQL ServerNginxGitHub ActionsFlutter

Zero-downtime production deploys

Full Stack

Loyalty & Promotions Admin Dashboard

Self-service administrative platform managing loyalty programs, coupons, discounts, and promotional content across multiple digital products. Eliminated dependency on external agencies for day-to-day operational changes.

ReactNode.jsTypeScriptPostgreSQL

Operational turnaround: days → minutes

Full Stack

Device Trade-In Platform

Designed and developed a mobile trade-in system for retail device processing. Integrated WooCommerce and Shopify for order management, sales reporting, and invoice tracking — replacing fully manual workflows.

Node.jsTypeScriptWooCommerce APIShopify APIPostgreSQL

3,000+ transactions processed

Automation

Citizen Reports on WhatsApp

Built an automation system enabling citizens to submit official reports via WhatsApp using n8n workflows. Replaced fully manual national-level processes — zero infrastructure overhead.

n8nWhatsApp Business APINode.jsWebhooks

National scale · Zero manual overhead

Have a project in mind? →

Writing