I am a 2d animator and doing following task,

• Developing storyboards based on the script
• Preparing presentations of rough sketches for clients
• Creating models, drawings and illustrations
• Designing frames and characters
• Choosing color palettes, style and general look of animation
• Establishing artwork for the backgrounds and layouts
• Setting up exposure sheets, divided into actions and timing, dialogues and music, animation layers, backgrounds, view perspective 
• Integrating images, characters, etc into background graphics
• Syncing visuals with audio and voiceover tracks
• Preparing all animation elements for compositing, including delivering in set formats
• Enhancing animation with special effects at post-production stage

you can check my work here 

https://www.youtube.com/watch?v=Mn-sJ2ITC4A