Sr. Growth Marketing Manager, Paid Social

About EarnIn As one of the first pioneers of earned wage access, our passion at EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. Our community members access their earnings as they earn them, with options to spend, save, and grow their money without mandatory fees, interest rates, or credit checks. We’re fortunate to have an incredibly experienced leadership team, combined with world-class funding partners like A16Z, Matrix Partners, DST, Ribbit Capital, and a very healthy core business with a tremendous runway. We’re growing fast and are excited to continue bringing world-class talent onboard to help shape the next chapter of our growth journey. Position Summary: As a Senior Growth Marketing Manager of Paid Social, you will play a critical role in driving acquisition by executing, testing, and optimizing marketing campaigns across paid social (Meta, TikTok, Reddit, Snap, etc.) and programmatic channels. You will work closely with cross-functional teams, including Analytics, Creative, and Product, to develop comprehensive tests and accelerate growth. You will also own and evolve our paid social AI workflows and insight reporting. The ideal candidate will have a strong understanding of mobile attribution and incrementality testing, and a track record of building robust experimentation roadmaps. The US base salary range for this full-time position is $162,849 - $199,037 + equity + benefits. Our salary ranges are determined by role, level, and location. This is a hybrid position in Mountain View, requiring in-office work 2 days a week. What You'll Do: Optimize marketing through data : Leverage data and insights to continuously refine campaigns, test new channels, and optimize creative performance, ensuring marketing strategies are effective in driving incremental growth. Lead experimentation and measurement : Develop, prioritize, and execute initiatives to drive new user acquisition, with a focus on creating structured measurement frameworks. Plan and manage new product testing : Oversee campaign execution, forecasts, and growth experiments in collaboration with cross-functional teams to meet efficiency and conversion targets for new product launches. Collaborate cross-functionally : Work closely with Analytics, Creative, and Product teams to ensure alignment of marketing efforts with business goals and objectives. Drive creative testing and insights: Partner with Creative to develop and test ad concepts, maintain a structured creative learning agenda, and scale winning formats across channels. Accelerate agentic workflows: Iterate on AI workflows to surface performance insights faster. Experience with creating agents/sub-agents is a strong plus. What We're Looking For: 4+ years of experience in growth marketing, with 7+ years of hands-on experience in B2C growth marketing for a mobile-first company. Proven experience in executing and optimizing campaigns across Paid Social and Programmatic channels. Strong analytical skills (incrementality testing, MMM, marginal CAC, etc.) with the ability to interpret data and make informed decisions to improve performance. Deep experience with mobile attribution and MMPs. Ability to balance strategic thinking with hands-on execution. Collaborative mindset and ability to work across teams to align efforts and achieve shared goals. Adept at presenting performance insights and strategies to cross-functional teams and senior leadership. A proactive, self-driven attitude to constantly test ideas and build new processes. A genuine interest in helping build a financial system that works for everyone. #LI-Hybrid At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive t ... (truncated, view full listing at source)