Uriel
Arana

9+ years building scalable web apps, SaaS platforms and leading tech teams

Guatemala, GMT-6

I build products that create real impact

I'm a Senior Full Stack Developer and Technology Consultant with 9+ years turning ideas into digital products. I've led teams, architected SaaS platforms from scratch, and taken companies to the cloud. My approach goes beyond code: I understand the business and build solutions that move metrics.

Uriel Arana

9+

Years of experience

40%

Operational efficiency gained

30%

Faster onboarding

My Tech Stack

Tools I use to build products that scale

Frontend

React.js

Next.js

TypeScript

TailwindCSS

Redux

React Native

Backend

Node.js

Express.js

PHP

WordPress

Cloud & DevOps

AWS

Docker

Vercel

Linux

Databases

MySQL

MongoDB

PostgreSQL

Supabase

Tools

Git

Figma

Postman

N8N

Professional Journey

Consultant & Senior Full Stack Developer

AppWhoop, SpA.

April 2025 — Present

Present
  • Designed and built from scratch a collaborative economy SaaS platform, leading the full project architecture
  • Implemented serverless infrastructure on AWS (Lambda, S3, RDS, CloudWatch) with dev, QA, and pre-production environments
  • Collaborated on REST API optimization and MariaDB management to support high concurrency
React.jsRedux ToolkitExpress.jsMariaDBTailwindCSSAWS LambdaVite

Product Manager & Tech Lead

Offymarket, S.A.

June 2023 — September 2025

  • Led development of 2.5 internal SaaS systems for commercial and operations departments, integrating SAP B1
  • Increased operational efficiency by 40% through cross-departmental process optimization
  • Managed full product lifecycle under Scrum, from requirements to production deployment
  • Coordinated multidisciplinary teams (developers, designers, stakeholders) using JIRA
Next.jsReact.jsSQLTailwindCSSDockerAWS CloudSAP B1

Full Stack Developer (WotDev)

Tribal Worldwide — Agua Pura Salvavidas

June 2022 — March 2023

  • Built a BackOffice CMS with WordPress + WooCommerce providing full REST API for the native mobile app
  • Reduced onboarding time by 30% with technical documentation and standardized processes
  • Managed team transitions across 3 project stages maintaining deliverable continuity
PHPWordPress REST APIWooCommerceJavaScriptDockerPostmanLinux

UI/UX, Frontend Developer & DevOps

Grupo Perinola S.A.

March 2019 — June 2021

  • Increased project delivery speed by over 40%, reducing 4-6 month cycles to 15-30 days
  • Led the web production department, implementing modern frameworks and development tools
HTML5CSS3SASSJavaScriptPHPBootstrapLaravelWordPress

Featured Work

Products I've built that are live in production

AppWhoop
Live

AppWhoop

Collaborative economy SaaS platform with full serverless architecture on AWS. Designed to connect services and users at scale.

React.jsViteRedux ToolkitExpress.js+3
Adjudica.me
Personal project

Adjudica.me

Smart alerts SaaS for state suppliers. Push and email notification system, client catalog, and customizable quote generator.

React.jsMySQLTailwindCSSPush Notifications+3
APP Tu Hogar — Agua Pura Salvavidas
iOS & Android

APP Tu Hogar — Agua Pura Salvavidas

Native mobile app for product delivery system using WordPress as Headless CMS. Available on Google Play Store and App Store.

WordPressWooCommerceREST APIPHP+1

How can I help you?

I offer end-to-end solutions, from code to strategy

Full Stack Development

From idea to product. I build scalable web applications, SaaS platforms and robust APIs that support your business growth.

  • React/Next.js applications
  • REST APIs with Node.js/Express
  • Serverless architecture on AWS
  • Payments & third-party integrations
🎯

Tech Lead & Consulting

Technical leadership that moves business metrics. I audit your stack, optimize processes, and guide your team toward measurable results.

  • Technical project auditing
  • Scrum team leadership
  • Systems architecture
  • Technical debt reduction
🤖

AI Implementation

I integrate artificial intelligence into your business processes. LLM automation, chatbots, data analysis, and intelligent workflows with N8N.

  • LLM automation
  • AI chatbots and assistants
  • N8N/Make workflows
  • Prompt Engineering

Ideas & Perspectives

Articles on development, technical leadership, and technology

Artificial Intelligence6 min min read

AI for everyone: how to use artificial intelligence for free and get more done

Artificial intelligence isn't science fiction or just for big companies. In this article I explain how to start using it today, for free, to study, work, and learn faster.

Read article
Cloud & DevOps4 min min read

Serverless on AWS: lessons from building a SaaS platform from scratch

I designed and deployed a full SaaS platform using serverless architecture on AWS. Here I share the technical decisions, mistakes I made, and what I learned.

Read article

Let's build something together

Have a project in mind? Tell me about it and we'll find the best solution.

Available for projects

Uriel Arana — Senior Full Stack Developer & Technology Consultant