End of line, It was the end of line (for Bob), he got the dismissalaxe. It was the end of line (for Bob), he got the axe.

This works better if you include this optional part. You wouldn't say "THE dismissal" but you could have said "he got dismissed." However, I gave you a common slang alternative to mean someone got dismissed/fired from their job.

End of lineAt the end, he got thewas dismissaled. At the end, he was dismissed.

He responds to the Scrum areaworks on scrum for the company. He works on scrum for the company.

Better

He responds to the Sscrum areamasters. He responds to the scrum masters.

In software engineering, there are scrum masters who lead the projects.

breakWish mye leguck! Wish me luck!

Although "break a leg" is a traditional expression to wish people luck in theater work, we never say "break MY leg." Instead, you can just use the above alternative

bBreak my leg! Break my leg!

Today, I'm able to use the last words from themy previous post. Today, I'm able to use the last words from my previous post.

Better

Today, I'm able to use the last words from the previous post. Today, I'm able to use the words from the previous post.

No need to be redundant with the last words from the previous post.

I hope I can be exposed touse those words from thein a whole story so that I cand arrange them in a way that works. I hope I can use those words in a whole story and arrange them in a way that works.

We have to rearrange this sentence a bit

I hope I can be exposed to those words from the wholentire story so that I can arrange them. I hope I can be exposed to those words from the entire story so that I can arrange them.

Bob is an engineer from xxXX, a tech company. Bob is an engineer from XX, a tech company.

It feels strange to leave xx as lowercase since it is a placeholder for what would be a name, which would be capitalized

Bob is an engineer from xxa tech company. Bob is an engineer from a tech company.

One day, he got to percolinfiltrated another company's system. One day, he infiltrated another company's system.

"Percolate" doesn't work here, and honestly it's a bit difficult to force this word to work with a person. The only example that comes to mind for people is using it to describe thoughts forming (thoughts percolating in his mind). Reading the rest of your story, I think "infiltrate" works best here. Infiltrate = breaking into something, usually in a sneaky or illegal way

He called his action a debut, and when he had almost dugcracked into the system, he entered the wrong riffcode, which meanst he caouldn't get out ofpast the system's safe zoneecurity. He called his action a debut, and when he had almost cracked into the system, he entered the wrong code, which meant he couldn't get past the system's security.

Some edits here were necessary to keep the past tense of the story. "Cracked into" would be more commonly used in the context if infiltrating digitally or hacking.

He called his action a debut, and w. When he almost dug into the system, he entered the wrong riff, which meansmeaning that he can't get out of the system's safe zone. He called his action a debut. When he almost dug into the system, he entered the wrong riff, meaning that he can't get out of the system's safe zone.

"What a jerk just called out from!" another employee called out. "What a jerk!" another employee called out.

This needs quotation marks

What a jerk just called out from another employeeAnother employee called them out for being a jerk. Another employee called them out for being a jerk.

They thinkought Bob iwas sketchy!. They thought Bob was sketchy.

This still being part of the story, should be in past tense. Style issue, but I wouldn't use a punctuation mark here