Microsoft’s LinkedIn said on Monday it would lay off 668 employees across its engineering, talent, and finance teams in the second round of job cuts this year for the social media network for professionals amid slowing revenue growth. The company, which employs about 20,000 people worldwide, said the move affected more than 3% of its staff. “Talent changes are a difficult but necessary and regular part of managing our business,” it said in a blog post. LinkedIn, which 950 million members use to connect with recruiters and potential employers, makes money by selling advertising on the site. It also charges subscriptions to recruiters and salespeople who use the service to find candidates. Microsoft bought it for $26 billion in 2016.

In a blog post, LinkedIn executives Mohak Shroff and Tomer Cohen said the company is evolving its organizational structures to improve transparency, accountability, and efficiency and streamline decision-making. It said the changes will help prioritize critical initiatives that will significantly impact meeting strategic priorities and improve overall performance. It added that impacted employees will receive support and compensation.

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The layoffs come after eight consecutive quarters of slow year-over-year revenue growth at LinkedIn despite a steady increase in membership numbers. Its latest quarterly revenue report, released in July, showed a modest 5 percent rise in revenue, compared to a 6 percent gain in the previous quarter.

In May, LinkedIn cut 716 jobs and shut down its remaining service in China, saying it had shifted its strategy in the country in the face of declining demand. It had previously cited changing business conditions and shifts in customer behavior as the reason.

Tech companies like Amazon, Google’s parent company Alphabet, and Microsoft have been laying off workers in recent months as they struggle to keep up with salary maintenance costs amid slowing revenue growth. The LinkedIn layoffs will add to the tens of thousands of job losses this year in the technology sector in the face of an uncertain economic outlook.

Alex Heath is a deputy editor and writer for The Command Line newsletter. He has been covering the technology industry for over a decade. He is based in San Francisco, California. Follow him on Twitter and LinkedIn.