Google's boomerang year: 20% of AI software engineers hired in 2025 were ex-employees

As the competition for AI talent intensifies among tech giants like OpenAI, Meta, and Anthropic, Google has adopted a bold strategy to bolster its workforce by reintegrating former employees. Recent reports indicate that in 2025, approximately 20% of the AI software engineers brought on board by Google were former staff members, a notable rise compared to previous years. A spokesperson from Google confirmed that this trend remains consistent as of December 2025. The company has experienced a notable influx of AI researchers transitioning from rival firms, a shift highlighted during a meeting led by John Casey, Google’s head of compensation. He emphasized that the allure of Google’s substantial financial resources and advanced computational infrastructure are key factors attracting these professionals. The backdrop to this rehiring surge includes significant layoffs at Google in early 2023, when parent company Alphabet cut 12,000 jobs, amounting to a 6% reduction in its workforce in response to economic challenges like inflation and rising interest rates. Following these layoffs, Google has continued to implement rolling layoffs and buyout programs. Industry-wide trends reflect an increase in boomerang employees, with a report from ADP Research noting substantial returns in the information sector. Google is particularly focused on advancing its position in generative AI, especially after facing hurdles following the launch of OpenAI's ChatGPT in late 2022. This year, however, Google is making strides, fueled by significant investments in AI infrastructure and the success of its Gemini application. The company unveiled its latest AI model, Gemini 3, last month, contributing to a surge in Alphabet's stock price, which has risen over 60% this year, outperforming many of its major competitors. Historically, Google has been a prime target for talent acquisition, with companies like Microsoft actively recruiting from its DeepMind AI research lab. Moreover, OpenAI and Meta are also investing heavily in recruitment efforts, with OpenAI CEO Sam Altman noting in June that Meta was offering substantial signing bonuses to attract AI talent. Google has made significant moves to enhance its appeal, including the return of key talents like Noam Shazeer and Daniel De Freitas, who left Google in 2021 to establish the AI platform Character.AI but rejoined DeepMind in August 2024. In an effort to speed up product development, Google has embraced a culture of risk-taking, expediting the launch of new products even if they do not meet all readiness criteria. Additionally, the company has undertaken a comprehensive initiative to reduce bureaucratic obstacles, implementing widespread employee buyouts and streamlining management by cutting down on one-third of its supervisory roles. Reports suggest that Google co-founder Sergey Brin has even personally reached out to potential recruits, demonstrating the company's commitment to securing top-tier talent in this competitive landscape.