Paul is available for hire

Paul - Daniel Bejan

Verified Expert in Engineering

Full-stack Developer

Location

Düsseldorf, North Rhine-Westphalia, Germany

Toptal Member Since

May 23, 2022

Daniel is a full-stack developer with over four years of experience in the IT industry. He focuses on Android development and uses Java and Kotlin regularly. Daniel enjoys challenging projects in which he can leverage his expertise to deliver products that would improve the client's business.

Android Kotlin Android SDK Java Android Studio Git Laravel Jetpack Compose MacOS Java 8 XML JavaScript PHP Gradle C Android Automotive

Portfolio

Yahoo! - Sports

Android, Java, Kotlin

Simvelop

Android, Kotlin, Java, Python, JavaScript, Android Automotive

Cobalt Sign SRL

Android, Java, Kotlin, Java Security

Experience

Android SDK - 8 years Java - 7 years Android - 7 years Android Studio - 6 years Kotlin - 4 years Laravel - 3 years Gradle - 2 years PHP - 2 years

Availability

Full-time

Preferred Environment

MacOS, Android Studio

The most amazing...

...software I've developed is a custom solution to cut screen protectors for phones, currently used by over 100 companies.

Work Experience

Android Developer

2022 - PRESENT

Yahoo! - Sports

Redesigned important screens in the app to enhance user experience and flow.
Improved the tracking of user events in order to understand better how our users use the app.
Worked heavily on transitioning the app to Kotlin while improving on testing and refactoring major parts of the app to make the code more maintainable.

Technologies: Android, Java, Kotlin

Android Developer

2020 - 2022

Simvelop

Developed six utility apps for the next generation cars that run Android Automotive in the infotainment system, including a calendar, email client, and logbook keeping app.
Mentored four former web developers in Android development.
Implemented internal tools that communicated with the unique emulators via ADB and helped us mock various car functionalities in a user-friendly interface for non-technical persons.
Initiated the initial implementation of unit and UI testing and mentored the team in testing strategies leading to over 80% coverage in weeks.
Implemented a Gradle plugin that hooks into the build system and automatically builds custom-made legal documents with the copyright and license information about the external libraries used in our apps.

Technologies: Android, Kotlin, Java, Python, JavaScript, Android Automotive

Android Developer

2020 - 2020

Cobalt Sign SRL

Helped a Belgian payments Android application implement payments via payment URLs or by scanning QR codes for their customers.
Integrated flight and hotel suggestions into a traveling app to enable users to save them in their wish list.
Refined the feature tickets, implemented them, and tested them with automated tests in both apps.

Technologies: Android, Java, Kotlin, Java Security

Android and Back-end Developer

2019 - 2020

Armour AFC

Implemented the Android app, including the back end and admin panel, for a startup that innovates how mobile phone screen protectors are cut from foil patches.
Designed and architected the whole system, from the idea to the delivery and installation, ensuring the app and the client could use our solution efficiently.
Set up an onboarding process for over 100 companies that are collaborating with the said startup. Our solution is present in over 200 of their working locations, cutting over 80,000 screen protectors per year using our solution.

Technologies: PHP, JavaScript, Vue, Laravel, Android, Android NDK, Android SDK

Experience

Digital Hymnal Church Book

An Android app that is used by people attending the SDARM church to view the church hymns during communal singing.

It is available in three languages—Romanian, German, and Italian—and currently has more than 10,000 downloads. There are also music sheets and backing tracks available for the Romanian version. Since the app meets the users' needs, it hasn't been updated for four years.

Yahoo Sports App

A sports app for US-based sports fans. I mainly worked on maintaining the app, converting Java code to Kotlin, and converting from a proprietary DI framework to Dagger, while implementing new screens and fixing bugs.

Education

2016 - 2020

Bachelor's Degree in Computer Engineering

Universitatea Politehnica Timisoara - Timisoara, Romania

Certifications

AUGUST 2021 - AUGUST 2024

Associate Android Developer

Google

NOVEMBER 2020 - PRESENT

Oracle Certified Associate

Oracle

Skills

Libraries/APIs

Vue, Java Security

Tools

Android Studio, Git, Android Jetpack, Android NDK, Gradle

Platforms

Android, MacOS, Android Automotive

Languages

Kotlin, Java, C, Python, JavaScript, PHP, Java 8, XML

Frameworks

Laravel, Android SDK

Other

Debugging, Calculus, Electronics, Windows 10, Jetpack Compose

Collaboration That Works

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