As I and others wrote already, if you want you can have both. Regarding "my plan is to get a dev job at a startup while working on new ideas during evenings/ho

As I and others wrote already, if you want you can have both. Regarding "my plan is to get a dev job at a startup while working on new ideas during evenings/holidays/weekends, hoping to eventually raise some money and transition to work full time on something new" You may also consider getting a job at a BIG company, getting more money and having more time to your side hustle.