Notes

CV - Skills section:
Will understanding - totally incorrect, should be well understanding, which is still wrong. Right usage is: Sound understanding of .....
Communication skills and problem solving skills --> Communication and problem-solving skills (https://www.merriam-webster.com/dictionary/problem-solving)
Documentation and Presentation skills --> Documentation and presentation skills (Unjustified capitalization - https://www.grammarly.com/blog/capitalization-rules)
Individual work efficiently and active team player --> Demonstrated ability to work independently and an active team player (Adverbs - efficiently - describe verbs, no verbs present)
Self-motivated and learning --> Self-motivated, resourceful and a fast learner (Incomplete sentence, learning is a gerund which serves no purpose this way)
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CV - Body:
Try to use past participle in the whole body, the CV describes what you have accomplished.
Creating the Entity Framework --> Utilized the Entity Framework to create APIs and DTO for each model, core and application layer. (You didn't create the entity framework itself, you used it. Hence, I used 'utilized'
Vanish the gap --> reduce the gap.
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Linkedin - About section:
I am a back-end developer with industry experience building web applications and services. Being specialized in .NET framework helped me winning the 3rd place in NASA Space App Challenge (2017) - (Add a link here to your accomplishment). Currently, I work as a research assistant and an instructor at Al Hussein Technical University (HTU), where I help freshmen grasp better understanding of data structure, algorithms, C, and git. As a part time job, I build web applications for an EdTech startup - B12App, using Boilerplate and Entity frameworks.