Manuel Parejo
Senior Android Engineer at Jaja Finance
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolManuel Parejo is a Senior Android Engineer based in Amsterdam with 12 years of experience building mobile-first products for finance, e‑commerce and healthcare. He specializes in Kotlin and Android but also ships cross-platform work in Swift, Go and Java/Spring, blending native app expertise with backend and web-facing integrations. Manuel has delivered production apps at scale for companies like ING, Marktplaats and Jaja Finance, and contributes to notable open-source projects such as the Wikimedia Commons Android app where he focused on improving code quality and build stability. Comfortable in agile teams, he pairs hands-on development with a strong eye for lint, dependency and architecture hygiene that reduces technical debt. His academic background in computer science and media technology complements a practical focus on user-centered mobile experiences across both Android and iOS.
12 years of coding experience
11 years of employment as a software developer
University of SevilleMSc in Media Technology, Media Technology, MSc in Media Technology, Media Technology at Universiteit Leiden
Spanish, English, Dutch
Stackoverflow
11,671reputation
1.0mreached
61answers
222questions
animation
top-1%
android
top-5%
xml
top-5%
android-viewpager
top-1%
Github Skills (15)
kotlin10
javas10
linting10
kotlin-android10
animation10
android-viewpager10
android10
java10
wikimedia-commons9
xml9
android-intent6
caching6
maven6
eclipse6
gradle6
Programming languages (15)
Github contributions (5)
commons-app/apps-android-commons
Feb 2018 - Sep 2018
The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:1 PR, 10 comments in 7 months
Contributions summary:Manuel primarily focused on fixing lint issues and addressing code style problems within the Android application. Their contributions included modifying files related to location services, upload functionality, and nearby places within the application. The user also worked on re-importing necessary dependencies to resolve build issues. These modifications suggest an active role in maintaining code quality and ensuring the application's stability.
androidandroid-appwikimedia-commonscommonsgood-first-issue
noloman/MapTheCity
Jan 2020 - Mar 2024
Small showcase application that loads 200k rows of cities from a JSON file in the assets folder and presents them to the user. The cities contain name, country code and coordinates and can be located on a map.
Contributions:5 PRs, 35 pushes, 7 branches in 4 years 3 months
androidgoogle-maps-androidkotlin
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