Javier De Santayana Gómez - Responsible For Digital Products (Apps & Web)

Javier De Santayana Gómez

Responsible For Digital Products (Apps & Web) - Mi Sanitas

Madrid, Community of Madrid, Spain

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Summary

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Rockstar

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Top School

Javier De Santayana Gómez is a product-focused engineering leader with 12 years of experience who blends deep Android craftsmanship with product strategy to lead digital products for Mi Sanitas. He moved from senior Android developer and tech lead roles—building modular libraries and improving mobile UX—to product management, where he drives roadmaps, OKRs and cross-functional squads to deliver measurable business outcomes. At Citibox he scaled mobile teams, introduced data-driven engineering practices that achieved 98%+ crash-free users and accelerated release cadence from months to weeks, and led device and carrier integrations that unlocked new revenue streams. As an independent consultant he has repeatedly re-architected mobile platforms for TV, banking and transport clients, shipping white-label and live/VOD products while mentoring engineers. He contributes to Android open-source UI libraries demonstrating a focus on polished UX and reusable components. Based in Madrid, he pairs hands-on technical depth with pragmatic product leadership across HealthTech, FinTech, IoT and media.

12 years of coding experience

11 years of employment as a software developer

Mobility program Socrates / ErasmusComputer Science Engineering, Mobility program Socrates / ErasmusComputer Science Engineering at Linnaeus University

Master’s Degree Android iOS Windows Phone RESTful NFC smart cards., Master’s Degree Android iOS Windows Phone RESTful NFC smart cards. at Universidad Pontificia de Salamanca

English, Spanish

Github Skills (14)

listview10

android-library10

viewpager10

uid10

android-listview10

tablayout10

ui-design10

android-native-library10

front-end-development10

android10

tablist9

tabstrip9

bottom-tabs9

parallax8

Programming languages (3)

JavaJavaScriptKotlin

Github contributions (5)

jpardogo/ListBuddies

Nov 2013 - Oct 2019

Android library to achieve in an easy way, the behaviour of the home page in the Expedia app, with a pair of auto-scroll circular parallax ListViews.

Role in this project:

Mobile Developer (Android)

Contributions:150 commits, 2 pushes, 1 comment in 6 years

Contributions summary:Javier primarily contributed to the development of an Android library, `listbuddies`, focused on replicating the Expedia app's home page behavior. Their commits demonstrate the implementation of core UI elements, including auto-scrolling and parallax effects within custom `ListView` components. The user refactored the code into a modular library and addressed click handling and visual feedback of the items. The commits also show work on UI customization through the use of custom attributes.

parallaxexpediascrollauto-scrollandroid-library

jpardogo/PagerSlidingTabStrip

Oct 2014 - Oct 2019

An interactive indicator to navigate between the different pages of a ViewPager

Role in this project:

Front-end Developer

Contributions:158 commits, 33 PRs, 73 pushes in 5 years

Contributions summary:Javier focused on updating the library's appearance and functionality to align with material design principles. They modified the tab layout, implemented changes to the indicator and title appearance during tab swiping, and incorporated features for customizing tabs. The changes also included the ability for developers to use ripple effects on tabs. These commits demonstrate a focus on UI/UX improvements within the Android library.

viewpagernavigateandroid-libraryandroidtablayout

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