Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. To support our continued growth and scale, we are seeking a high-impact, hands-on Staff Salesforce Developer with the strategic mindset of a Solutions Architect to join our IT Applications Delivery organization based in San Ramon, CA. This senior IC role blends deep Salesforce engineering with architecture and product thinking. You’ll partner with business and delivery leaders to design end-to-end solutions, then hand off for execution to delivery partners and advanced delivery teams. You’ll set technical direction, elevate solution quality, and mentor developers while solving complex problems that drive impact for Five9. This role reports to the Director of Enterprise Applications and partners closely with business leaders, business analysts, engagement leads, and offshore development teams.