const engineer = {
passion: 'excellence',
focus: 'impact'
};
// Clean code
// Smart solutions
git commit -m "ship"
$ whoami

Ivo Iturrieta Salinas

I architect and build scalable systems that power millions of users. From leading distributed teams to optimizing performance at Fortune 500 scale, I turn complex technical challenges into elegant, profitable solutions.

$ cat about.txt

About

I'm a Senior Software Engineer with expertise in building high-performance systems that scale. My experience spans from Fortune 500 enterprises to Y Combinator startups, where I've consistently delivered solutions that drive business growth.

I specialize in full-stack development with React, TypeScript, Node.js, and cloud technologies. My approach combines technical excellence with business acumen, ensuring every line of code serves a strategic purpose.

When I'm not architecting systems, I'm exploring emerging technologies, contributing to open source, and mentoring developers to reach their potential.

Current Focus

Building enterprise-grade email builder at Unlayer (YC W22), implementing AI-powered features for Fortune 500 clients.

Key Achievements

  • → Scaled platforms to 50,000+ active users
  • → Led distributed teams of 12+ developers
  • → Achieved 99.9% uptime on mission-critical systems
  • → Reduced page load times by 40% through optimization
  • → Secured $500K in seed funding through technical excellence
$ ls -la skills/

Technical Stack

Frontend

React
Angular
TypeScript
Next.js
Redux
JavaScript
CSS

Backend

Node.js
Ruby on Rails
ASP.NET Core
C#
Go
PostgreSQL

Mobile

Swift
React Native
Ionic Framework

Cloud & DevOps

AWS
Firebase
Git
CI/CD
Docker

APIs & Data

REST
GraphQL
SQL
PostgreSQL
MongoDB

Tools

Jira
Confluence
$ git log --oneline

Experience

10/2022 – Present
San Francisco, USA (Remote)

Senior Software Engineer

Unlayer (YC W22)

Contributing to an enterprise-grade email builder used by Fortune 500 companies. Implementing new features including AI-powered capabilities, adapting components following best practices, and collaborating on product iterations to enhance the platform's functionality and user experience.

01/2019 – 08/2022
Remote

Chief Technical Officer

Swarmob

Scaled an educational platform from 0 to 50,000+ active students while maintaining 99.9% uptime. Pioneered an innovative offline-first architecture that enabled learning in low-connectivity areas, increasing user retention by 65%. Led a distributed team of 12 developers, implemented agile methodologies, and secured $500K in seed funding through demonstrated technical excellence and market impact.

03/2021 – 09/2022
Prague, Czech Republic

Tech Lead

Livescore

Orchestrated the frontend architecture for a platform serving real-time sports data to 10M+ daily users. Implemented advanced caching strategies and lazy-loading techniques that reduced page load times by 40%. Led the migration to Next.js, resulting in a 60% improvement in SEO metrics. Established code quality standards and mentored 8 developers while maintaining 95% test coverage.

08/2019 – 03/2021
Porto, Portugal

Senior Software Engineer

Defined.ai

Revolutionized the AI data annotation workflow by developing intuitive interfaces that increased annotator productivity by 35%. Architected RESTful APIs handling 1M+ daily requests and implemented automated quality assurance systems that reduced error rates by 45%. Collaborated with data scientists to optimize machine learning pipelines and reduce model training time by 30%.

11/2017 – 06/2019
San Francisco, USA

Software Engineer

Finalis

Developed a comprehensive compliance management system processing $2B+ in investment banking transactions. Implemented SOC 2 compliant security measures and automated due diligence workflows that reduced client onboarding time from 2 weeks to 5 days. Built real-time document verification system that achieved 99.9% accuracy in fraud detection.

12/2014 – 01/2019
Chile

Independent Freelancer

Delivered 20+ full-stack applications across diverse industries, achieving 100% client satisfaction rate. Notable projects included a real estate platform that automated 90% of property management tasks, university apps serving 15,000+ students, and e-commerce solutions processing $1M+ in annual transactions. Consistently delivered projects under budget while exceeding performance requirements.

$ find ./projects -name "*.featured"

Featured Work

Unlayer Email Builder

Contributing to the development of an enterprise email builder with AI-powered features and responsive templates. Streamlined email creation workflow for Fortune 500 clients.

TypeScript
React
Next.js
Node.js

LiveScore App

Spearheaded the development of a lightning-fast sports data platform handling 100K+ concurrent users during peak events. Implemented WebSocket-based real-time updates with <50ms latency and built an innovative caching system that reduced server load by 60%. Integrated with 50+ global sports data providers while maintaining 99.99% uptime.

TypeScript
React
Next.js
Node.js

Defined.ai Data Platform

Built a revolutionary AI data annotation platform that reduced training data preparation time by 65%. Developed custom workflow automation tools that processed 1M+ data points daily and implemented an innovative quality control system achieving 98% annotation accuracy. The platform now supports 40+ languages and various data types including text, audio, and image annotations.

TypeScript
React
Redux
ASP.NET Core
C#

Wroclaw University Mobile Apps

Designed and launched a suite of mobile applications that transformed the academic experience for 15,000+ international students. Implemented offline-first architecture for seamless access to course materials, built real-time translation features supporting 8 languages, and integrated an AI-powered study assistant that improved student engagement by 45%.

React Native
Ionic Framework
Firebase
$ ./connect.sh

Let's Build Something

I'm always interested in discussing new opportunities, challenging projects, and innovative technical solutions.