Alberto Gallego

Senior Mobile Application Developer | React Native

Salary / Daily rate

Córdoba, Spain

Freelance

Can come onsite

Skills

ReactReact NativeTypescriptNodeNextPostgreSQLMongoDBSwiftRuby on RailsVueTailwind CSSFigmaHerokuProduct Management

Languages

Spanish (Native)English

About me

Intro

Full-stack developer with 5+ years of freelance experience building mobile and web applications for diverse companies. Specialized in React Native, TypeScript, and Node.js with proven success leading technical teams and delivering complete app rebuilds from scratch. I bring pragmatic solutions to complex software challenges, focusing on simplicity and results that align with your business goals.

Links

Work experience

Freelance Software Developer

Cantimplora StudioFreelance

Dec 2019 - Present

6 years 11 months

I partner with companies and creatives to help them figure out their software challenges with a pragmatic approach using simplicity, clarity, and curiosity to find the right solution.

Mobile Application Developer

BeeDIGITALFreelance

Oct 2024 - Mar 2025

6 months

At Beedigital, the goal was to rebuild the app from the ground up, integrating the full range of services they offer to their clients. During my time there, I led the development of the first version of this new app.

Mobile Application Developer

Fiction Express EducationFreelance

Apr 2024 - Oct 2024

7 months

During this period, I was hired externally on two occasions. The first time, I was tasked with building the initial version of your tablet application, with the key requirement that it function offline. Alongside another developer, we completed the project in about a month. The second time, I contributed to adding new features to the already-published app. In collaboration with the backend team, we implemented offline functionality and transitioned the tablet application into a web version using Expo.

Silence Engineer

KalmFreelance

Nov 2023 - Jul 2024

9 months

Quieting a world of (digital) noise so that people can find the silence that helps them to improve their concentration and achieve their goals in life.

Full-stack Developer

HYVERFreelance

Mar 2024 - May 2024

3 months

During my time at Hyver, I was primarily responsible for organizing the technical aspects of the team. This involved fixing critical bugs in the application, defining the development roadmap for the upcoming months, and implementing key elements of that roadmap, such as integrating with a CRM and implementing a new hiring process within the platform.

Product Developer

TALKUALFreelance

Nov 2022 - Oct 2023

1 year

Lleida, Spain

When I started collaborating with Talkual, my primary role was to maintain and enhance the e-commerce platform from a technical perspective. Once I got involved, I realized I could also contribute to the company’s product vision. Therefore, I focused on documenting and creating systems to improve processes both technically and operationally. This effort was aimed at ensuring the company’s alignment and enhancing communication from the technical department to other departments.

Frontend Developer

Humanspace SolutionsFreelance

Feb 2020 - Oct 2022

2 years 9 months

Washington, DC, USA

In this project, what we did was create an entirely new internal tool from scratch, replacing an obsolete one. We used modern technologies and a completely different design, with a better focus on usability. My role here was to create the interface of this application, with an emphasis on making it componentized.

BûmerangFreelance

Sep 2020 - Mar 2022

1 year 7 months

Remote, OR 97458, USA

Technical Lead

Jan 2021 - Mar 2022

1 year 3 months

Remote, OR 97458, USA

At Bumerang, I served as a sort of technical director, responsible for making technology-related decisions within the team. Since joining, I actively contributed to projects such as launching the initial mobile app version, improving specific architectural aspects, developing systems for enhanced container traceability, and establishing a robust metrics system.

Full-stack Developer

Sep 2020 - Jan 2021

5 months

Remote, OR 97458, USA

During my first months at Bûmerang, we were mainly working on launching the first version of the app on both Android and iOS. From there, I was: - Creating a component library with React. - Implementing new features in the frontend. - Implementing functionalities in the backend. - Improving some parts of the traceability: migrating from MongoDB to PostgreSQL, creating an internal admin and a metrics panel, adding error tracking, migrating the servers to Heroku... The technologies I used for this project were: React, TypeScript, NodeJS, Ionic, PostgreSQL.

React Native Developer

NannyfyFreelance

Mar 2021 - May 2021

3 months

Remote, OR 97458, USA

Nannyfy hired me to update the React Native version and implement in-app purchases for both iOS and Android.

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