2025 was the year of AI, and these jobs saw a surge in demand, according to a leading IT staffing firm. In 2025, AI became officially unavoidable: It had been lurking in the background before, as early adapters experimented with it. But this year, companies invested more than $202 billion in AI, a 75% increase from $114 billion invested in 2024. Major tech companies fought bitterly over AI talent, offering astronomical pay packages.