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Sebastian Illing

Sebastian Illing

Berlin, Germany
Member since March 18, 2016
Sebastian is a talented and passionate full-stack developer with a focus on back-end and API development. He has years of experience working with different programming languages and web-frameworks. Coming from a startup environment, he strives to be result-oriented and quality-driven.
Sebastian is now available for hire
  • JavaScript, 5 years
  • Python, 4 years
  • Django, 4 years
  • React, 2 years
  • Django REST Framework, 2 years
Berlin, Germany
Preferred Environment
PyCharm, WebStorm, GitHub
The most amazing...
...full-stack web app I've built is a climate data evaluation framework, that has been implemented at various international research institutes.
  • Head of Technical Development
    2012 - PRESENT
    Freie Universität Berlin
    • Head of technical development for INTEGRATION (a sub-project of the nationwide, government-funded, research initiative MiKlip - Decadal climate prediction).
    • Conceptualized and aided in the technical realization of a central evaluation system for Decadal climate predictions ("FREVA"), that meanwhile has been implemented internationally at various research institutes.
    • Programmed the Django-based website to access the evaluation system running on a high performance computer through the web (
    Technologies: Python, Django, React.js, Apache Solr, MySQL
  • Full-Stack Engineer (Django/React)
    2016 - 2017
    Findsy (via Toptal)
    • Integrated Dropbox API v2 including authentication into a Django back-end.
    • Implemented the asynchronous syncing of a Dropbox folder using Celery and Redis.
    • Developed an asynchronous image search using different third party APIs and Celery.
    • Developed a REST API based on the Django REST framework.
    • Developed a single page front-end using React.js and Redux.
    Technologies: Python, Django, Django REST, Celery, Redis, React, Redux, PostgreSQL, AWS
  • Co-Founder
    2011 - 2016
    WGcast GmbH
    • Created the foundation for a real estate platform for students (
    • Conceptualized and programmed the website.
    • Developed the back-end using Django and Django REST.
    Technologies: Python, Django, React.js, Redux, PostgreSQL, MySQL, PHP, Zend Framework
  • Cleverflight GmbH (Development)

    Conceptualized and programmed the website including the payment system.

  • Interpreteer (Development)

    Developed a REST API using Django and Django REST.

  • Languages
    Python, PHP, JavaScript, R, Bash, C++
  • Frameworks
    Django, Django REST Framework, Zend Framework, Bootstrap 3, Redux, Express.js
  • Tools
    Git, Apache Solr, Apache, GitHub, MATLAB, Jenkins, Webpack
  • Paradigms
    Object-oriented Programming (OOP), Test-driven Development (TDD), Behavior-driven Development (BDD), MEAN Stack
  • Libraries/APIs
    React, Node.js, jQuery, jQuery UI
  • Platforms
  • Storage
    MySQL, PostgreSQL, MongoDB
  • Ph.D. in Climate Modeling & Meteorology
    2012 - 2016
    Freie Universität Berlin - Berlin, Germany
  • Diploma in Physics
    2005 - 2011
    University Heidelberg - Heidelberg, Germany
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