The most in-demand skills for enterprises include full-stack development, tech support and marketing strategy, according to data released today by Upwork. In addition, it found approximately 21% of freelancers — around 12.6 million professionals — worked for enterprise-level companies with 500 or more employees, and 12% of freelancers work for companies on the Fortune 500.

Here are the most in-demand skills among enterprise companies in the past year, according to data from Upwork.

Top 10 most in-demand technology skills for enterprises:

• Full-Stack Development
• Back-End Development
• Data Analytics
• UX/UI Design
• Mobile App Development
• Front-End Development
• Network/Systems Administration
• Solution Architecture
• Automation Testing
• DevOps Engineering

Top 10 most in-demand customer service and admin support skills for enterprises:

• Tech Support
• Digital Project Management
• Email, Phone and Chat Support
• General Translation Services
• Data Entry
• General Virtual Assistance
• Market Research
• Language Localization
• Community Management
• General Research Services

Top 10 most in-demand marketing skills for enterprises:

• Marketing Strategy
• Content Strategy
• Social Media Marketing
• Campaign Management
• Brand Strategy
• SEO
• Lead Generation
• Email Marketing
• Marketing Automation
• Public Relations

Data for the report was sourced from the Upwork database and is based on freelancer earnings from Jan. 1 to Nov. 31, 2022.