As a freelance professional I always has to be mentally prepare to evolve with new development ecosystem.
Started my career as a wordpress plugin developer. my role was to modify plugins as per my client's requirement.
Then I moved to YII PHP Framework and Laravel PHP Framework.
Then I started to create portfolio, business, small scale organization web site and maintaining them.
I had taken care of converting production industry accounts system to digitize.
I used metlab for outsourcing some university student project.
I did python for web scraping as a freelance professional.
I used Unity Engine to develop game as an Indie Developer.
Currently I am working as an assistant of Hadoop Developer Professional and using Scala.