[bobyscaph]

At the beginning what matters are the initial vision / intuition & the ability to deliver the MVP. MVP will be the tech cofounder role. Tech cofounders have numerous opportunities to work for. They have their own ideas and tens of non tech people who want to partner with them. They will join your project if they both think that the vision is interesting and that you as their cofounder have an unfair advantage to turn this project into success. It can be a strong market knowledge, a solid network in this area, a demonstrate ability to launch a project from zero, a strong competence in customer acquisition / marketing, a strong leadership or something else. The idea on its own worth very few to nothing. Your cofounder must be convinced that you will be the relevant person to team up and achieve the vision. Demonstrate that you are this person is I think the best way to convince a tech cofounder to join your startup.