Javier Laguna

Senior Mobile Developer

Madrid, Spain

About me

+10 years of experience building high-quality mobile and web applications. Specialized in iOS (Swift, SwiftUI, UIKit) and React Native, with a strong background in modern frontend development. Driven to craft robust, scalable, and thoughtfully designed products, contributing value both technically and collaboratively within teams. Accustomed to working in agile environments with a strong emphasis on quality, performance, and user experience.

Work Experience

INNOCV Solutions

Senior Mobile Developer (iOS && React Native)

2020 - Present

Development of scalable mobile applications serving thousands of users across diverse industries, including high-traffic banking platforms, restaurant services, travel insurance, time-tracking systems, and device insurance solutions. Applied Clean Architecture principles while collaborating closely with product and backend teams to deliver high-impact solutions. This includes the development and maintenance of mobile applications in iOS and React Native, as well as the implementation and evolution of Clean Architecture and SOLID principles through approaches such as TCA, VIPER, MVVM, ... Close collaboration with product, QA, and backend teams in agile environments, driving continuous improvements in performance, stability, and overall application quality, alongside active participation in technical decision-making, code reviews, and the establishment of best practices.
MMG

iOS Developer

2018 - 2020

iOS Mobile Application Developer at MMG, focused on messaging and healthcare sector projects, including the MedsBla application. Utilized Swift, iOS 12, CocoaPods, and Realm in the development of mobile applications.
MMG

Senior Frontend Developer

2017 - 2018

Senior Frontend Developer at MMG, focused on web applications for the healthcare sector, including MedsBla and the MedsBla Dashboard. Employed JavaScript technologies such as ReactJS, Redux, ES6/7, Webpack, Jest, Flow, Node.js, Lodash, and Axios, along with HTML5 and CSS3 (SASS, PostCSS, BEM, responsive design), as well as GraphQL, among other tools.
Optimissa

Frontend Developer

2015 - 2017

Frontend Developer and UI Engineer at Optimissa, contributing to banking web applications such as 2Trade. Leveraged HTML5 and CSS3 (Bootstrap, BEM, responsive design), along with JavaScript technologies including ReactJS, Redux, LESS, ES6, Webpack, Node.js, Immutable.js, Backbone, Marionette, Lodash, jQuery, and AJAX, among others.

Education

DevExpert.io - Android & Kotlin Training

2025 - 2025

Kotlin Expert
Udemy

2024 - 2024

Mastering ARKit for iOS
Udemy

2023 - 2023

SwiftUI Masterclass 2023 - iOS App Development & Swift
Udemy

2021 - 2021

Combine
KeepCoding

2020 - 2020

Full Stack Mobile
KeepCoding

2019 - 2019

Advanced Kotlin
Udacity

2017 - 2017

React, Redux, React-Native Nanodegree
Lázaro Cárdenas

2012 - 2014

Advanced Technical Degree in Network Systems Administration
María de Zayas y SotoMayor

2010 - 2012

Advanced Technical Degree in Application Development

Projects

VisionOSMusic •

My first xrOS App! Used for learn visionOS and Reality Composer Pro things!

Learn SwiftUI on xrOSOn development
Composable SwiftUI •

Project used for learn SwiftUI + TCA architecture

Rick and MortySwiftUITCA Architecture
SpaceX Flutter Odyssey

Little iOS and Android client for consume SpaceX API

SpaceXFlutterDartGetX
Slot Machine

Little iOS, iPad and Mac game for learn SwiftUI and MVVM.

SwiftUIMVVM
Kamikaze War

ARKit airplane destroyer game.

ARKitSwiftMVVMCoordinators
Flynn and Freckles

React web for Flynn and Freckles game from Rookie Hero Games

React 15Rookie Hero Games

Skills

Swift
SwiftUI
Kotlin
Git
GitHub
Flutter
JavaScript
TypeScript
React
ReactNative
HTML
CSS