Slack, a Salesforce company, is seeking a Senior Staff Software Engineer to drive the evolution of productivity features including Canvas, Lists, Huddles, Templates, and Files. This role combines technical leadership with hands-on development, requiring expertise in both frontend and backend technologies. The ideal candidate will have 12+ years of experience and the ability to architect innovative solutions while mentoring others. The position offers competitive compensation ($251,900 - $384,100) and the opportunity to work with a diverse, supportive team in either New York City or San Francisco. The role demands someone who can think strategically, lead technical decisions, and collaborate effectively across teams. This is a chance to shape the future of workplace productivity tools at a company known for its inclusive culture and commitment to engineering excellence. Benefits include medical insurance and equity opportunities, reflecting Salesforce's commitment to employee well-being and long-term success.