I am Python and Django developer. Hire me.

My name is Jan Krňávek and I have been working in the IT industry over 14 years.
I design and develop the advance webpage and intranet applications created in the programming language Python and Django framework.
I create a customer software from its design through development to final deployment at the customer place, including training.
I have a technical and economic university degree and therefore I can look at your problem from both business and technical point of view.
In my work, I like to use the principles of minimalism.

I speak Czech, English and I have the basics of German.
Currently, I am located in city Brno, in the Czech Republic.

My software developer skills

  • Python 2, 3
  • Django
  • Django CMS
  • Django Rest Framework
  • Html5, CSS, Bootstrap 3 /4
  • JavaScript, JQuery, Vue
  • Jupyter Notebook
  • Pandas, Numpy, Tensorflow, Keras, Scikit-learn, NLTK
  • Git, Docker
  • Atlassian Jira
  • Atlassian Confluence
  • Framework Android, Java, Kotlin

My sysadmin skills

I have long term experience with these services.

  • OS Windows server 2008, 2012, 2016
  • OS Linux Redhat, Centos, Debian, Ubuntu
  • design middle size network  using mostly Mikrotik or Cisco products
  • Apache (with PHP, mod_wsgi, HTTPS, etc.)
  • Nginx (with PHP, uWSGI, HTTPS, HTTP2, etc.)
  • Postgresql, Mysql, Redis
  • Kvm and libvirt, Xen, Vmware
  • DNS, FTP, FTPs

Trainings and certifications

System and network administrator

  • Basics of Linux administration
  • Linux advanced administration
  • BGP routing
  • OS Redhat Cluster Suite
  • Administration of  Apache Tomcat
  • IPv6 networking
  • KVM virtualization
  • Postfix and DNS administration
  • Udacity AWS Cloud Architect Nanodegree

Software development

  • Introduction into Python
  • Advanced programing in Python
  • Designing RESTful API
  • Programming with Django
  • Udacity Android Developer Nanodegree
  • Udacity Developing Android Apps with Kotlin

Machine learning and data science

  • Datacamp Data science basics (Pandas, Numpy, Scikit-learn, Jupyter, data cleaning / preparation / selection)
  • Datacamp Machine learning with Python
  • Udacity Fintech Machine learning
  • Udacity Intro to TensorFlow for Deep Learning
  • Udacity Data Analyst Nanodegree


  • Introduction into Photoshop
  • Digital marketing basics (SEO, PPC)
  • Atlassian Jira administration
  • Atlassian Confluence administration

I can work for you as a Contractor / Freelancer.

I prefer a remote project-based job (telecommute) as a Contractor / Freelancer.
For my work I like using Skype, phone calls, git, issue tracker e.g. Atlassian Jira, Confluence.
I am willing to travel to an employer place as needed on an occasional basis.

You can reach me at “hanz.krnavek AT gmail.com”

More info about me at my next webpages: