The most potent productivity gains from AI aren't just for junior staff. Seasoned professionals who combine deep domain expertise with adaptability are using AI to rapidly learn adjacent skills like design or marketing. This allows them to "collapse the skill stack" and single-handedly perform tasks that previously required multiple people.

Inspired by Dilbert creator Scott Adams, the key to career success is combining skills. Being a cartoonist who understood business was a rare combination. AI makes it easier to develop a second or third deep skill, transforming you from a replaceable specialist into an invaluable, multi-talented individual.

AI will outperform any hyper-specialized human. To remain relevant, individuals should cultivate a broad range of knowledge. The full quote, "A jack of all trades is a master of none, but most times better than a master of one," becomes a career survival guide in the AI era.

Engineers, designers, and product managers now believe AI empowers them to perform the others' jobs. An engineer with AI can handle design and PM tasks, and vice versa. This isn't a threat but an opportunity for individuals to become multi-skilled and create immense value by combining domains.

To thrive in the AI era, go beyond a "T-shaped" profile. Develop deep expertise in one core skill and strong proficiency in two or more adjacent ones (an "E" or "F" shape). This combination makes you non-fungible and irreplaceable, as economist Larry Summers advised.

AI assistants empower engineers to tackle tasks outside their core expertise, expanding their capabilities from a single deep specialty ('T-shaped') to multiple areas of depth. This allows for more versatile, self-sufficient team members who can manage broader responsibilities.

Instead of striving to be the best in a single domain, find a unique intersection of skills you're good at. Being able to negotiate across both design and engineering, for example, creates a niche where you are the "only" person with that combination, making you more valuable than being just another "good" specialist.

The traditional tech team structure of separate product, engineering, and design roles is becoming obsolete. AI startups favor small teams of 'polymaths'—T-shaped builders who can contribute across disciplines. This shift values broad, hands-on capability over deep specialization for most early-stage roles.

Top engineers are no longer just coding specialists. They are hybrids who cross disciplines—combining product sense, infrastructure knowledge, design skills, and user empathy. AI handles the specialized coding, elevating the value of broad, system-level thinking.