FDA CDRH provides free access to its own online training modules on a variety of topics at the link provided. Software is one of the modules.
IEC 62304 and other Emerging Standards Impacting Medical Device Software
Being Agile & Yet Compliant
ISO 14971 SaMD Risk Management
Software Risk Management
Medical Device Cybersecurity
Software Verification
IEC 62366 Usability Process and Documentation
Or just email training@softwarecpr.com for more info.