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Oliver R.OR

Oliver R.

Android & Java Developer

€520/day
Berlin, DE
3-7 years
Android
Java
SQL
REST
JavaScript

Average response time: 1 hour

Freelancer profile translated to English.
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About Oliver

Software developer with a completed degree in Media Informatics from the Berliner Hochschule für Technik. Experience in web and mobile development, as well as in the development of distributed systems and automated financial analysis tools. Knowledge of Java, PHP, REST APIs, and relational databases.

  • German

    Native or bilingual

  • English

    Fluent

  • Polish

    Native or bilingual

Can work on-site
Berlin (up to 50km)

Experience

  • Cheqsite GmbH
    Android Developer
    SOFTWARE PUBLISHING
    December 2024 - December 2025 (1 year)
    Berlin, Germany
    Responsible for the maintenance and expansion of around 20 Android applications in Android Studio with Java. Tasks included bug fixes, performance optimization, implementation of new features, and automated UI tests. Primarily independent work with feedback from code reviews and task distribution by the team.
    Android Gradle Android SDK Atlassian JIRA Test Automation
  • Begehungen
    Working Student
    October 2020 - March 2021 (5 months)
    Berlin, Germany
    Internship with subsequent working student position as a web developer. Development of a web application for displaying relations of a MySQL database on an HTML webpage with PHP.
  • Capital Catering Berlin
    Application Development
    October 2015 - December 2015 (2 months)
    Berlin, Germany
    Client order: Development of software for creating and displaying digital menus on multiple screens from a PDF file. With ongoing support and feature expansion to this day.
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Education

  • Bachelor of Science
    Berliner Hochschule für Technik
    2022
    Bachelor of Science
  • General Higher Education Entrance Qualification
    OSZ Technische Informatik & Energiemanagement Berlin
    2016
    Allgemeine Hochschulreife
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