Five9 is a cloud-based contact-center software provider employing about 1,671 people worldwide. Recent staffing records show 113 hires alongside 183 departures, resulting in a slight net reduction in overall headcount. The organization maintains a diverse mix of technical, customer-facing, and corporate roles that support its SaaS platform and global client base.
Engineering is the largest function with roughly 34 % of all employees, underscoring the company’s product-centric focus. Sales and Support represents nearly 29 % of headcount, reflecting Five9’s emphasis on customer acquisition and service. Mid-sized teams include Marketing and Product (9 %), Finance and Administration (6 %), and Business Management (5 %), while Information Technology, Program & Project Management, Operations, Human Resources, and a small "Other" category collectively account for the remaining 17 %. This distribution illustrates a balanced investment across product development, go-to-market, and internal operations.
Five9’s workforce is highly distributed: approximately three-quarters of employees are classified outside named offices, indicating a sizable remote or satellite presence. The largest listed hub is San Francisco with 231 team members, followed by Manila, Philippines (52) and Porto, Portugal (28), which support both engineering and customer operations. Additional offices in Phoenix, New York, Austin, San Jose, Chicago, and Boston each house fewer than 30 employees, highlighting the company’s flexible, multi-site operating model.