Arnau Gómez

Software Engineer | Web, desktop & mobile

Barcelona, Spain

LinkedIn
AG

About

For the past 6 years, I have helped large companies like Amazon build modern web and mobile apps that perform at scale. My focus is on TypeScript and React, with an emphasis on performance, QA and scalability. I am currently working on AI agents with LangChain.

Work Experience

Milú
Remote

2021 - Present

Frontend Developer

Milú builds mobile and web applications for large international businesses. Inside the frontend team, I specialised in TypeScript and React, and pioneered the adoption of Flutter for multi-platform applications. These are my main contributions: 🍊 Developed e-commerce sites for major retailers like Amazon, with millions of monthly users. 🤖 Created a code generator that saved +100 hours across all projects. 💳 Built a payment processing system used by 10K daily customers 🧪 Implemented an automated testing framework that saved 8 weekly hours in QA costs. 🧩 Created and maintained 5 starter templates that saved 1 week of development work per project. 🏎️ Automated the generation of +10K high-performance Next.js and Gatsby sites with 100% Lighthouse performance score 🎥 Built an AI-powered video processing workflow used by thousands of professionals of the automotive sector.

YouTube
Remote

2018 - Present

Technical Educator

Taught coding and technical skills to +1M viewers on YouTube, TikTok and DEV

DiverTeach
Remote

2020 - 2022

Web Developer

Managed a small team of developers. We created an online classroom manager for creative teachers, designed to save 100 hours of resource planning every year. The app is built with TypeScript, React, Redux and SASS.

Autonomous University of Barcelona - GRETEL Research Group

2012 - 2015

Web Developer & Researcher in Digital Literature

As a developer of the GRETEL research group website, I leveraged innovative SEO strategies to 2x its traffic. I worked on a research paper on Digital Literature and the role of hypermedia applications in education. The visibility of the academic articles grew 10x thanks to my contributions to the academic databases.

Education

U.N.E.D.

2020 - 2024
Bachelor's Degree in Computer Science

University of Helsinki

2019 - 2020
Full Stack Open program

freeCodeCamp

2018 - 2021
Full Stack Web Development Bootcamp

Autonomous University of Barcelona

2016 - 2020
Bachelor's Degree in Teacher Studies

Skills

JavaScript
TypeScript
React
Next.js
Remix
Node.js
Vue
Angular
Svelte
Dart
Flutter
CSS/SASS/LESS/Tailwind
GraphQL
AWS
GCP
Azure

Projects

ClubMemo

AI app that transforms any PDF into a personalized interactive course based on science-proven effective study techniques.

TypeScript
React
Node.js
MongoDB
AI & LLMs

Pepecar

Car rental service with thousands of daily active users. Improved the load speed of the website by 3x and built a secure payments workflow.

E-commerce
Performance
Secure payments

Nextlane

AI-powered video processing workflow used by thousands of workers in the automotive industry.

Mobile App
Dart
Flutter
Concurrency
Video processing
AI

Finnovating

FinTech social network that matches investors with startups, and helps businesses find partners.

Web App
Social Network
FinTech

Amazon Specialized Marketplaces

Partnership with Amazon and AWS in the development of custom marketplaces for specialized products with high traffic and scalability

E-commerce
AWS
Scalability

Opticalia

Maintained an international e-commerce marketplace with millions of monthly users. Developed custom multiplatform apps for in-store usage.

E-commerce
Multiplatform
Scalability

Vamos

Built a secure payments workflow for a large car rental website with thousands of monthly users.

E-commerce
Secure payments

C Compiler

Compiler for the C programming language, including lexer, parser and Assembly code generation. Final project of the Computer Science bachelor's degree.

Compilers
Java