This article is crossposted from IEEE Spectrum ’s careers newsletter. Sign up now to get insider tips, expert advice, and practical strategies, written i n partnership with tech career development company Parsity and delivered to your inbox for free! You want to become a senior developer. A CTO, maybe. Start your own company, perhaps. Or maybe you just want to land your first role in tech. You will not get there from raw engineering skill alone. There’s a skill that’s quietly essential to…