Series will still have the issue that you have to turn them both on in order to turn on the light.
What you need is a so called ‘hotel switch’ or ‘3-way switch’
With this you will always be able to turn on/off the lamp regardless of which switch you use.
This can even be extended with a 3rd (or 4th, 5th etc) switch in the middle:
And this can also be used with a f.e. Shelly switch:
More info can be found here