> The reason is supposedly that my throughput is too low and inconsistent (stories completed per sprint).

Spend some work hours optimizing for the metrics that the managers measure. The goal is not to make a good job, it's to optimize your metrics (i.e. screw the system). The more points you get, the less work you have to do.

Make smaller stories, smaller tasks, overestimate the tasks, quickly contact the manager whenever a task is looking like it has been under-estimated and ask them to act on it (e.g. by splitting the task or modifying the estimate).

And don't feel bad about it: your manager optimizes for their metrics as well. The goal is not to make a good product, it is to optimize the metrics that people who feel clever put in place. If your company ever realizes that employees abuse the metrics, the solution will be to fire managers, and that's not you.

At the same time, actively look for another job.

I would recommend that you try and get as much information ahead of time as you can. How long is the PIP process? For the size of your company, I would guess about 30 days. What are the motives of the department head? PIPs can be a formality for letting someone go, but not always. Try and gauge if the department head has already made up their mind and if your manager will be in your corner. Use your gut to determine how you want to spend the duration of your PIP, will you phone it in and use your energy to look for another job, or will you use it to try and secure your current position. When the conversations with HR start, there will be a process of defining what your performance problems are and what the process will be to try and improve your performance. Get your need for more coaching on the actual plan in writing.

There are always options. The tech market is tough right now, but less so for coders. You could also get a job in a completely different field. Or you could figure out how to stay at your current position. There are always options.

Don't waste your time comparing your productivity with others. What you think or what the real facts are do not matter. This train has left the station.

Focus on getting off the train.

If you're on PIP, you need to start looking for a different job. The company's perception of you is already too far gone by the time you're officially on PIP.

If you’re in the US, contact HR and tell them that you’d like to request reasonable accommodations for a documented ADA-covered disability. Do it soon before you get any formal performance warnings or put on the PIP.

Will buy you some time at least.

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i got put on a pip because i raised my voice at our tech lead who didn't know what an "api" was. they promoted her to tech lead instead of dev manager. I made it through, but I eventually got fired 6 months later.

Just keep working maybe communicate more when you close something...I don't know if you sail at all but right before you turn the boat where the boom swings across the stern you're supposed to yell "COMING ABOUT!!!!!" just do that. "INCOMING PULL REQUEST!!!!" anytime you do anything in all major slack channels.

BUt yeah you probably will need to get another job sooner or later.