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Zhe Li, Software Developer in Gothenburg, Sweden
Zhe Li

Software Developer in Gothenburg, Sweden

Member since February 9, 2014
Zhe is a senior full-stack developer and entrepreneur with a proven ability to develop efficient back-end services for mobile and other applications. He is experienced in Python, Django, Django REST framework, Scala, and Akka Http.
Zhe is now available for hire

Portfolio

  • Minna Technologies
    Scala, Akka HTTP, Akka Stream, Kubernetes
  • Jetshop AB
    Python, Django, AWS, Docker
  • OfferQA
    Python (Django), PostgreSQL, Twitter Bootstrap, jQuery, Jinja 2, Memcached...

Experience

  • Python, 7 years
  • Docker, 5 years
  • Django, 4 years
  • Google Cloud Platform (GCP), 2 years
  • React, 2 years
  • Amazon Web Services (AWS), 2 years
  • Scala, 2 years
  • Kubernetes, 2 years
Gothenburg, Sweden

Availability

Part-time

Preferred Environment

Linux, Vim, Spacemacs, IntelliJ

The most amazing...

...thing I've done is help my current company to scale infrastructure from one to four different markets.

Employment

  • Developer

    2017 - PRESENT
    Minna Technologies
    • Built a back-end system to identify subscriptions from financial data.
    • Helped the team to scale up services using Kubernetes and other technologies.
    Technologies: Scala, Akka HTTP, Akka Stream, Kubernetes
  • Senior Developer

    2015 - 2017
    Jetshop AB
    • Built a pipeline to fetch production data as well as transform and send information to different advertising and market platforms.
    • Built a CI/CD system and improved the release speed 10x.
    • Adapted Docker in the production environment and redesigned the application to enable autoscale in production.
    Technologies: Python, Django, AWS, Docker
  • Founder

    2014 - 2015
    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 Bootstrap, jQuery, Jinja 2, Memcached, Celery, SaltStack, Vagrant, DigitalOcean, New Relic
  • Web Developer

    2014 - 2015
    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 - 2015
    HiQ AB
    • Created a data visualization web application for a welding test using Django, Twitter Bootstrap, and JavaScript. Managed the server with SaltStack and Vagrant.
    • Developed embedded system tests using C, C#, and Python.
    • Performed web service back-end development using 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).
    Technologies: Python
  • 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 and functional 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—sort of a StackOverflow for Chinese expats—OfferQA is one of my startup projects. 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, Scala
  • Frameworks

    Django REST Framework, Django, AngularJS
  • Tools

    MailChimp, SaltStack
  • Paradigms

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

    Linux, Kubernetes, Docker, Google Cloud Platform (GCP), Arduino, Amazon Web Services (AWS)
  • Other

    Front-end Development
  • Libraries/APIs

    React
  • Storage

    SQLite, Memcached, MongoDB, Redis, PostgreSQL, MySQL

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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