Android Developer

Entwickler mit fortgeschrittenen Kenntnissen in Java- und Android-Technologien. Erfahren in agilen Methoden, insbesondere Scrum und Kanban. Er hat in der Vergangenheit kleine Entwicklungsteams geleitet. Er fühlt sich zu interessanten Projekten hingezogen. Schriftliches Englisch ist kein Problem, er hat lange Zeit nicht mündlich kommuniziert, müsste es auffrischen, kann aber kommunizieren.

Senior Developer (2018 – 2020)

• Agile (scrum) development of mobile SDK for biometric (fingerprint, face) scanning
• Operating in Mac OS X and Windows environment
• Java / Android development, continuous integration, automatic (unit, espresso), integration and system testing
• Development of a Java-based SDK for biometric scanning, secure data handling, components for fast UI development, Android application using MVVM (MVVMi), and client-server infrastructure
• Collaboration with international specialists
• Conducting code reviews, automatic static analysis, annotation processor, AOP

Senior Developer, Team Leader (2016 – 2018)

• Agile development of a mobile security SDK for banks and financial institutes
• Worked in Mac OS X, Windows, and Debian environments
• Developed in Java, C/C++, and Objective C with a focus on continual integration and automatic (unit) and integration testing
• Contributed to a multi-platform SDK with Java and Objective C wrappers to enable secure one-time passwords computation, secure asset storage, and communication with back-end and out-of-band server
• Managed international teams and collaborated with R&D
• Configuration and management of server/back-end and generic push message services

Senior Developer, DevOps (2014 – 2016)

• Participated in Agile development for a financial company
• Worked in a mixed environment of Microsoft Windows and Ubuntu
• Involved in PHP, Java, C++ development, deploy processes, data syncing, continual integration, and automatic (unit) testing
• Developed a dynamic PDF rendering system (XML to XHTML to PDF) with digital signature and multi-threaded optimization
• Created a (application) UI for displaying and manipulating PDF contracts, including signing and accepting terms, with support for a sign pad
• Developed Java beans (connectors, handlers, etc.) as part of integration

Senior Developer, Product Manager (2011 – 2015)

• Led web portal development and support, working as a project lead and architect
• Operated in a mostly Microsoft Windows environment
• Engaged in PHP, C/C++, and C# development, team synchronization, deploy processes, and shell scripting

Developer, Tester (2010 – 2011)

• Engaged in development and software analysis
• Worked in a partially Microsoft Windows environment and Ubuntu
• Utilized test-driven development and followed a waterfall approach

Freelancer, Consultant (2008 - present)

• Provided development, software analysis, and hardware and software consulting services based on customer requests
• Worked partially in Microsoft Windows environment and Ubuntu
• Engaged in PHP, Java, C/C++, and C# development, as well as computer servicing and server management

Software Engineer, Tester (2006 - 2008)

• Contributed to development, software, and hardware testing
• Worked mostly on the Microsoft Windows platform
• Focused on C/C++ development, unit testing, and scripting
• Undertook a half-year business trip to Austria and Finland

Network Administrator, IT Support (2002 - 2003)

• Managed business networks, server management, and hardware support
• Primarily operated on the Microsoft Windows platform

Web Developer, Freelancer (2000 - 2006)

• Specialized in web portal development and custom project development
• Operated mostly in the Microsoft Windows environmen