This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Manager, Growth Marketing based in the United States. This role leads growth strategy, client performance, and revenue expansion across a portfolio of mobile growth and app marketing accounts.You will combine performance marketing expertise, data analysis, and consultative leadership to deliver measurable business outcomes.The position offers the opportunity to influence client strategy, investment decisions, retention, and long-term portfolio growth.You will also mentor growth-focused team members and help strengthen processes, best practices, and operational excellence.Success requires strong commercial judgment, comfort with complex performance data, and the ability to turn insights into clear recommendations.You will collaborate closely with cross-functional teams in a fast-moving, client-focused environment where experimentation and continuous improvement are encouraged.The role is well suited to a strategic growth leader who enjoys hands-on problem solving and connecting marketing performance to broader business objectives.