There are around 3 million software developers in the US, most working for regular old enterprise companies in most major metropolitan areas in the US. All of the job boards have openings for those positions.
I spent my entire career from 1996-2020 working locally in Atlanta - 7 jobs in all - until my last three jobs that have been remote.
Look for large companies dealing in physical goods. I work on warehouse software for a company selling motorcycle helmets and bbqs. Its a great intersection of tech and industry.
Once you hit scale there are very few off the shelf solutions. Every major application is going to have some degree of customization involved.
Personally, I maintain a legacy codebase of a propietary application running several distribution centers. New feature requests, bug fixes, integrations, ever-changing business requirements mean its worth having staff on payroll to do it, as the contractor costs to do so are exorbitant.
I spent my entire career from 1996-2020 working locally in Atlanta - 7 jobs in all - until my last three jobs that have been remote.