Re: "A side question is what have your experiences been with incubators/accelerators?"
Temper your expectations that incubators will enhance your success odds. Allegedly, the facts are that "50 percent of business incubator companies survive 3-5 years"1 (same numbers as all start-ups) and "90 percent of incubators and accelerators will fail."2
1 Stewart Smith, "Bottom-Up vs. Top-Down Policies towards the Commercialization of University Intellectual Property, Working Paper Series in Economics and Finance No 463." National Business Incubation Association, February 25, 2012 at blog.theentrepreneursadvisor.com/2011/07/business-incubators-business-accelerators/accessed March 3, 2015
2 Peter Relan, "90 Percent of Incubators And Accelerators Will Fail And That's Just Fine For America And The World," (Blog) October 14, 2012 at http://techcrunch.com/2012/10/14/90-of-incubators-and-accelerators-will-fail-and-why-thats-just-fine-for-america-and-the-world/ accessed May 5, 2015
I'd say that's overstaffed.
You need to figure out what you need to get from where you are to MVP So you need
Typically in different phases of the process each cofounder wears different hats. What you cannot do yourself you contract or try and find someone who will work for mostly equity.
So from the list you give you have
So you guys need to sit down and sort through a startup business plan and just figure out who can do what
Team Captain (Keeps Team on Point)
Team Lieutenant (Is an understudy for the team)
Front-End (engineers user experience)
Back-End (engineers business logic)
Full-Stack (engineers architecture)
UI/UX (creates assets for front end)
Database (handles the Database)
Admin (handles the server)