Yes, it works very well. With some configurations all Stories are integrated with created branches with Story Name and also for pull requests. You can also set up stories to move status when pull request is approved or you can automatically create a bug & assign to developer if his/her CI or CD is breaking environment.
There is enough documentation around JIRA & Bitbucket integration like:
https://confluence.atlassian.com/bitbucketserver/link-bitbucket-with-jira-776640408.html
https://www.atlassian.com/software/jira/bitbucket-integration
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