Mobile App Entwickler partly available

Mobile App Entwickler

partly available
Profileimage by Anonymous profile, Fullstack Javascript Entwickler (React / React Native)
  • 10437 Berlin Freelancer in
  • Graduation: BSc Computer Science
  • Hourly-/Daily rates: 80 €/hour
  • Languages: German (Native or Bilingual) | English (Native or Bilingual) | French (Elementary)
  • Last update: 17.10.2019
Profileimage by Anonymous profile, Fullstack Javascript Entwickler (React / React Native)
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Extensive experience in rapid application development as well as application framework development on all platforms (embedded, mobile, web, desktop). Worked across the whole software development process from product definition, project planning, team organisation and leadership to release management, and customer collaboration. Strong background in software craftsmanship and agile practices. Worked on small rapidly prototyped applications as well as large multi team, multi site, multi year software development projects.

I believe in bottom up software development, clean code, continuous improvement, close customer collaboration and doing whatever is most important no matter what your job title is.

Skills & Experience

Software Development

* Javascript
* Python
* C++
* Application Development
* Rapid Prototyping
* Architecture
* API Design

Frameworks & Tools

* React Native
* React.js
* Node
* Qt
* Git
* Vim


* Scrum
* KanBan
* LeSS
* Continuous Improvement
* Lean

Software Craftsmanship

* Clean Code
* Code Reviews
* CI
* Software Testing
* Refactoring

Project Management

* Product definition & ownership
* Project planning
* Process management.
Software Consultant
Quantum Craft Oct 2017 - present

Worked as a full-stack developer on a medical services and certification webapp with React.js and Loopback.

Worked with a team of developers on a desktop application for analysing industrial drone images with Javascript / QML and Qt / C++.

Quantum Craft May 2017 - present

Building full stack mobile applications for Android and iOS with React Native and node.js on the backend. Including product definition, architecture, design and user testing. First apps released successfully with good reviews: and

Development Team Lead
HERE Technologies Aug 2015 - Apr 2017

Lead a team of 10 developers in building map rendering related functionality for a major automotive project in C++. Acted as PO for feature including alignment with customer and planning. Lead on architecture and QA. Feature was delivered on time with minimal bugs.

Also supported on QA related topics for the entire project including gathering information and defining the first error management process, which was successfully rolled out to dozens of teams.

Development Team Lead
HERE, a Nokia Business Nov 2013 - Aug 2015

Built an automotive application SDK with Javascript / QML and C++ / Qt, leading a team of 8 - 12 developers. Continuous improvement of team processes, customer collaboration, API design and architecture. 

The SDK was used for a an internal navigation application that was sold to a major car manufacturer. Minimal bugs in the SDK. Helped out in the project delivery on product ownership and error management activities. Software was successfully delivered and received very positive reviews.

Conducted more than 50 interviews for software developer positions for my own and other teams.

Participated in several internal hackhathons and co-organized one multi-day internal hackathon with more than 30 participating developers / designers.

Senior Software Engineer & Scrum Master
HERE, a Nokia Business June 2013 - Oct 2013

Built a team and developed an automotive application SDK in Qt / QML / C++ including complex and customizable UI components (for example a multi language keyboard layout engine and digital automotive instrument panels). 

Participated regulary in an internal coding dojo. Took over organization of the dojo after the original organizer left the company.

Senior Software Engineer in Test
Nokia Gate5 Nov 2011 - May 2013

Developed a test framework in Python for a mobile server based application, connecting smartphones to car infotainment systems. Included architecture, automating QA related activities, and building a network stack to test against (UPnP, VNC, custom protocols).

Software Engineer
Nanophotonics Sep 2008 - Oct 2011

Developed software for semi-conductor inspection hardware, used by major silicon wafer manufacturers and research institutes using Qt / C++. Worked in a small team through the whole software development lifecycle including release management and product definition with customers.
Part-remote in Europe, fulltime on site in Berlin.

Available 4 days a week from 11th Feb 2019 to end of March 2019. Available full time starting April 2019.

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