This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Machine Learning Engineer based in United States. This role offers the opportunity to apply advanced machine learning expertise to solve complex challenges with meaningful social impact.The Senior Machine Learning Engineer will design, develop, and deploy production-grade models that support critical online safety initiatives.Working within a collaborative and mission-driven environment, this position combines cutting-edge technology, research, and engineering excellence.You will partner with engineers, product leaders, designers, and external stakeholders to create scalable AI solutions.The ideal candidate is passionate about machine learning, thrives in ambiguous problem spaces, and enjoys building systems that make a measurable difference.This remote-first opportunity allows you to contribute to innovative technology projects while working alongside talented professionals committed to protecting vulnerable communities.