Customer Success Intern

Are you interested in building a career in digital advertising, SaaS, and customer strategy? Do you want hands-on exposure to how some of the world’s leading brands use technology to drive marketing performance? Smartly is excited to announce our Summer 2026 Internship Program! Join our global team of Smartlies and learn from some of the best and brightest in the digital advertising industry. Based in our NYC office, this 10-week internship program is designed to provide structured learning, hands-on experience, and meaningful exposure to Customer Success at a fast-growing technology company. As a Customer Success Intern, you’ll gain foundational knowledge across the digital advertising ecosystem, Smartly’s platform, enterprise customer strategy, and commercial account management while working alongside cross-functional teams that support some of the world’s top advertisers.