Upwork is a freelance hiring platform and work marketplace that connects businesses with independent professionals across more than 10,000 skill categories. It functions as an end-to-end solution for sourcing and managing contingent workforce needs — from project specialists to long-term contractors — without the overhead of full-time hiring. Businesses of all sizes use Upwork to fill skill gaps, execute complex projects, and scale results without adding headcount. Creating an account and posting a job is free. You pay only once a contract begins. Most clients hire within three days of posting. There's also no need for a fully defined scope to get started. You can browse freelancers by skill, experience level, location, and availability, review work histories, and save profiles as you define your needs. Upwork covers a broad range of disciplines, including web and app development, AI engineering, design, finance, customer support, marketing, writing, and consulting. You can hire individual freelancers or assemble multi-person project teams. Upwork is particularly well suited for businesses that need specialized expertise quickly, including freelancers who combine deep domain knowledge with AI tools to amplify their output and deliver results more efficiently. Key platform capabilities include: AI-assisted matching — Uma™, Upwork's Mindful AI, analyzes project details like skills, budget, scope, and timeline to surface relevant freelancers. You can also search and filter independently and invite specific candidates to apply to your job. Transparent freelancer profiles — Evaluate candidates through detailed profiles, portfolios, verified work history, client feedback, skill certifications, and badges. Message or interview freelancers before starting a contract. Flexible contract types — Choose between hourly contracts, billed weekly based on logged hours, or fixed-price contracts funded in milestones, depending on how the work is structured. Built-in payment protection — For fixed-price projects, funds are held in escrow and released only upon client approval. For hourly projects, logged hours can be reviewed before billing is finalized. Centralized project management — Contracts, messaging, milestones, timesheets, and payments are managed from a single dashboard, with dispute assistance available if issues arise. Upwork is primarily used by business owners, hiring managers, and procurement teams looking for a faster, lower-risk alternative to traditional staffing or full-time recruitment, whether for a single project or an ongoing contingent workforce strategy.