Solution Architect or Sr. Data Engineer?

Please help evaluate this offer. Company: Series B bay area start up Position: Senior Data Engineer Location: SF Base: 160k Signon bonus: 0 Annual bonus: 8% RSUs: paper money Company: Series D bay area start up Position: Solution Architect Location: Dallas Base: 120k Signon bonus: 0 RSUs: paper money Annual bonus: 10% Current Role: Data Engineer TC: 130k YOE: 5 Which profile/role would be better in the long run?