Sebastián Iturralde Full-Stack Growth Engineer

Full-Stack Growth Engineering

Build, Scale & Optimize Digital Platforms

Scalable Web Platforms (Laravel, PHP & Python)

Secure Infrastructure & Server Administration

Technical SEO & Organic Growth Strategies

API Integration & Workflow Automation

From Concept to Google Ranking & Revenue

Explore my work

Your Technical Growth Partner

I bridge the gap between deep technical development, infrastructure management, and search engine economics. Over 16 years of operating as a startup founder, full-stack engineer, and digital marketer—giving me a unique 360-degree view of how web platforms scale.

Whether designing architecture in Laravel, configuring secure hosting infrastructure, automating workflows with Python and AI APIs, or crafting high-converting SEO/SEM funnels, my goal remains the same: building fast, secure, and highly optimized platforms that drive organic traffic and business conversion.

Location Cumbayá, Ecuador
Experience 16+ years
Specialty Full-Stack Growth Engineering
Email dev@itusebastian.com
WhatsApp +593 96 351 9138

Core Expertise

Backend & Infrastructure

Laravel, PHP, Python, Web/Mail Hosting Server Administration, API Integrations. Building scalable, secure systems that handle millions of requests.

Growth Engineering

Technical SEO, SEM, Workflow Automation (OpenAI API), Growth Analytics. Optimize your platform for search visibility and maximize conversion funnels.

Frontend & Design

Tailwind CSS, WordPress, Jekyll, Responsive UI/UX. Creating beautiful, fast-loading interfaces that convert visitors into customers.

Digital Pipeline Management

End-to-end ownership from server infrastructure to search engine rankings. Full responsibility for platform performance, security, and growth metrics.

Client Success Stories

The service was fast, clear and straightforward. Sebastián handled every technical detail with professionalism. Highly recommended.

Felipe Miranda

Zinner

Thanks to his technical support and SEO focus, our website not only works better, but receives more visits and inquiries every week.

Juan Carlos Romo

Cosecha Roja Café

Sebastián understood what we needed from the start. Always available, solution-focused, and delivering effective solutions that add real value.

Ruben Moran

Repruni

Trusted Partners

Service Plans

Website Maintenance

$150 per month

Purchase Plan

✓ Security updates and patches

✓ Monitoring and automated backups

✓ Technical support and bug fixes

✓ Email and domain management

✓ Basic performance optimization

Maintenance + Growth

$300 per month

Purchase Plan

✓ Everything in Website Maintenance

✓ Technical SEO audit and optimization

✓ Keyword research and analysis

✓ Content optimization and meta tags

✓ Backlink building and authority

✓ Monthly ranking and traffic report

Impact Metrics

Organic Impressions

+200k annual organic traffic

Websites Ranked

+30 on Google's first page

Clients Converting

+50 generating revenue from their sites

My Journey Your Advantage

Experience in Results

2025

Cosecha Roja Café

Full-Stack Growth Engineer

Own the entire digital pipeline—from Laravel/Tailwind development and server management to advanced SEO—optimizing site performance to scale organic traffic and drive business conversion.

May - Sep 2024

Instituto Superior Tecnológico Quito

Marketing Instructor

Developed and delivered hands-on curriculum focused on advanced SEO and SEM strategies, training the next generation of marketers to drive measurable search traffic and ROI.

Aug - Nov 2023

hümmi marketing innovation

Full-Stack Growth Specialist

Managed a flagship account, utilizing PHP, Python, and OpenAI APIs to automate workflows, configure hosting servers, and execute full-cycle SEO/SEM strategies for optimal platform performance.

Apr 2022 - Jul 2023

GaelDS

Full-Stack Developer

Managed full-stack development and server hosting across a diverse portfolio of internal startups, building and launching scalable web applications from the ground up.

Nov 2009 - Apr 2022

Zitux

Founder & Lead Full-Stack Developer

Led a global web agency, managing developers and designers while personally executing full-stack development to ensure flawless, on-time delivery of client projects worldwide.