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Zhe Li, Python Developer in Gothenburg, Sweden
Zhe Li

Python Developer in Gothenburg, Sweden

Member since February 9, 2014
Zhe is a senior web developer and entrepreneur with a proven ability to develop efficient web back-end systems for mobile and web applications. He is experienced in embedded development on Arduino and Rasberry Pi, automated testing, and TDD.
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Portfolio

  • offerQA
    Python (Django), PostgreSQL, Twitter Boostrap, jQuery, Jinja2, Memcached...
  • Ericsson
    Python, MySQL, RabbitMQ, Redis, PHP, Drupal, jQuery
  • HiQ AB
    Python, Django, Django REST Framework, JavaScript, jQuery, C/C++, C#, PHP...

Experience

  • Python, 7 years
  • Django, 4 years
  • SaltStack, 2 years
  • Django REST Framework, 2 years
  • Erlang, 1 year
Gothenburg, Sweden

Availability

Part-time

Preferred Environment

Linux, Vim, Git

The most amazing...

...thing I've done is to implement a back-end RESTful API service for my social network startup app. We released the first iOS app within 6 months.

Employment

  • Founder

    2014 - PRESENT
    offerQA
    • Improved and customized the existing Q&A system Askbot.
    • Deployed and maintained web services using Vagrant, SaltStack, and DigitalOcean.
    • Handled front-end development using Twitter Bootstrap and jQuery.
    • Handled user development using MailChimp, a custom landing page, and Google Analytics.
    Technologies: Python (Django), PostgreSQL, Twitter Boostrap, jQuery, Jinja2, Memcached, Celery, SaltStack, Vagrant, DigitalOcean, New Relic

  • Web Developer

    2014 - PRESENT
    Ericsson
    • Worked on job queue systems using Python and RabbitMQ for distributed functional and system testing.
    • Implemented and improved a RESTful API in Python and Drupal.
    • Implemented service analysis and monitoring tools using Python.
    • Performed front-end development with jQuery and Drupal.
    • Implemented an inventory system using Meteor.
    Technologies: Python, MySQL, RabbitMQ, Redis, PHP, Drupal, jQuery

  • Consultant

    2012 - PRESENT
    HiQ AB
    • Created a data visualization web application for a welding test using Django, Twitter Bootstrap, and JavaScript. Managed the server by SaltStack and Vagrant.
    • Developed embedded system tests using C, C#, and Python.
    • Performed web service back-end development using the Python/Django REST framework.
    • Handled continuous integration system development using Python/Jenkins.
    • Developed the web front-end using JavaScript and CoffeeScript.
    • Developed test automation systems using Python and the Robot Framework.
    Technologies: Python, Django, Django REST Framework, JavaScript, jQuery, C/C++, C#, PHP, Robot Framework, CAN bus, MySQL, PostgreSQL, SaltStack, Vagrant

  • Test Developer

    2012 - 2014
    ESAB AB
    • Created a data visualization web application for a welding test using Django, Twitter Bootstrap, and JavaScript. Managed the server with SaltStack and Vagrant.
    • Performed UI development on an embedded device using Rhapsody C++.
    • Implemented functional tests on embedded system via C#, Python, and CAN bus.
    • Developed a continuous integration system using Jenkins, the Robot Framework, and Python.
    Technologies: JavaScript, Python, C++, C, C#

  • Co-founder, Back-end Developer

    2012 - 2014
    metoo LLC
    • Created a RESTful API for metoo's social networking app on both iOS and Android.
    • Implemented an activity feed using Python and MongoDB.
    • Took advantage of TDD, DevOps, and Kanban, and released the first few versions with limited resources.
    • Handled user development using Localytics, Urban Airship and MailChimp.
    • Coordinated with developers in Serbia for mobile application development.
    Technologies: Python, Django, SaltStack, MongoDB, PostgreSQL, Redis

  • Consultant

    2011 - 2012
    DFind
    • Implemented functional test development and assignment at Ericsson using TTCN.
    Technologies: TTCN, Python, C

  • Test Developer

    2011 - 2012
    Ericsson
    • Implemented functional tests for the Ericsson LTE (4G) gateway system using TTCN.
    • Analyzed test results using Wireshark and other tools.
    • Helped the team to adopt to Scrum methodology as the Scrum Master.
    Technologies: Python, TTCN

  • Test Developer

    2008 - 2011
    Lavasoft
    • Implemented a continuous integration system with a distributed test system using Buildbot, Python, and VMware.
    • Implemented functional and UI automatic tests for Ad-Aware.
    • Developed an installer using WiX.
    • Developed a test management system using Python and Web2Py.
    • Developed a real-time web application showing software activation location on a spinning globe (Python, JavaScript).

  • Software Engineer

    2005 - 2006
    Transco.cn
    • Improved an automatic legacy test for Autodesk products (Inventor Pro).
    • Helped build a wiki website (http://www.oklocalization.org).
    • Created manual GUI & function tests on Sitescope Cisco Works Monitor.
    • Performed unicode and localization tests for Autodesk products.
    Technologies: C++, SilkTest

Experience

  • Back-end RESTful API Service for Metoo (Development)

    This service, for a social network app, was implemented mainly using Django and the Django REST framework. The tech stack includes Nginx, PostgreSQL, MongoDB, and Redis. All the services are managed by Fabric and SaltStack on DigitalOcean.

  • OfferQA (Development)

    A social Q&A website for Chinese expats. OfferQA is one of my startup projects. It's a StackOverflow for Chinese expats. Technologies used are Python, Django, Askbot, Memcached, PostgreSQL, jQuery, SaltStack, and Vagrant.

  • Hyperdrive - Product Feed Management (Development)
    http://jetshop.se/e-handel/digital-marknadsforing/

    Hyperdrive is a sub-production for eCommerce solution company Jetshop AB. It manages and delivers your product feed to different channels like Google Product Search, Amazon, and Bing Product Search.

Skills

  • Languages

    Python, JavaScript, Java, PHP, Erlang, C++, C, CoffeeScript

  • Frameworks

    Django REST Framework, Django, Bootstrap, Web2py, Flask, AngularJS

  • Tools

    MailChimp, SendGrid, Virtualenv, VirtualBox, CorelDRAW, SaltStack, Adobe Photoshop

  • Paradigms

    Scrum, Test-driven Development (TDD), Kanban, DevOps

  • Platforms

    Linux, STM32, iOS, Arduino, Meteor

  • Other

    Urban Airship, Localytics

  • Libraries/APIs

    jQuery, Twitter API, Facebook API

  • Storage

    SQLite, Memcached, MongoDB, Redis, PostgreSQL, MySQL, MongoEngine

Education

  • Master's degree in Systems Biology and Bioinformatics
    2006 - 2008
    Gothenburg University - Gothenburg, Sweden
  • Bachelor of Science degree in Materials Chemistry
    2001 - 2005
    Jinan University - Shandong, China
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