NixonMarrasquin
Open to work

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I transform concepts into seamless digital experiences. Specialist in Transform concepts into digital experiences. Specialist in. +3 years building high-performance applications.

View Work

I develop complete custom systems and landing pages that solve integral problems, from informative sites and billing platforms to digital media, business solutions, ecommerce stores, and podcasts, leveraging multiple technologies to deliver tailored solutions for diverse digital needs.

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Mobile Development

Native experiences for iOS and Android.

Nelson GO

Nelson GO

React Native + Expo

Delivery app

Semillapp

Semillapp

React Native + Expo

Digital coupons

Siglo 21

Siglo 21

React Native + Expo

B2B ecommerce

DeWallet

DeWallet

Flutter

Sales incentives application

Selected Work

Recent frontend and backend implementations.

Dashboard & Sistemas de Invetario

Dashboard & Sistemas de Invetario

Inventory control system with real-time stock tracking, order management and GraphQL integrations.

ReactNext.jsClerkNestJSGraphQL
CMS

CMS

Headless CMS built with Directus and PostgreSQL for flexible content modelling and API-first delivery.

DirectusPostgreSQL
Chatbots integrated with WhatsApp

Chatbots integrated with WhatsApp

Integrated chatbots for WhatsApp using the ChatGPT API, automation with n8n, built with Next.js and NestJS.

ChatGPT APIn8nNext.jsNestJS
Landing Pages & Ecommerce

Landing Pages & Ecommerce

Landing pages and e‑commerce builds, including developer documentation and sales-optimized landing pages.

AstroNext.jsDirectusNestJS

Career

Professional evolution and key roles.

Freelancer — WordPress & WooCommerce

2020 - 2022
Freelancer

Worked as a freelancer on WordPress sites with WooCommerce and API integrations for small and medium e-commerce stores.

Web Developer & Mobile Developer

2022 - 2024
Electronica Siglo 21

Developed several administrative dashboards using Django with REST APIs (Python). Monitored workflows in SAP Business One. Built e-commerce mobile applications with React Native and Expo for B2B commerce.

Web & Applications Developer

2024 - Present
Azirgo SAS

Developer at Azirgo SAS: web and app development using React, React Native and Next.js; administrative dashboards with Refine and APIs with NestJS. +15 landing pages and React Native apps for e-commerce and digital couponing.

Tech Stack

Tools selected for performance and scale.

React
Next.js
React Native
Astro
Tailwind
NestJS
GraphQL
Refine
PostgreSQL
TypeScript
Directus
WordPress
Playwright
Railway
Vercel
Figma

Hover stack to expand

Ready to Start?

Let's build something amazing together.

Have an idea? Send me a direct message.