As a Senior Staff Software Engineer, you play a key role in technical execution and strategic architecture within your domain. Above all else, you aim to satisfy customer and business needs by delivering solutions that advance ABC's mission and goals. You lead the design, development, and implementation of sophisticated, modern software solutions while ensuring alignment with business objectives, system architecture, and customer outcomes. Beyond implementation, you are also accountable for domain-level architecture, ensuring that services, APIs, and system components are scalable, modular, performant, and maintainable. You regularly collaborate with Enterprise/Solution Architects, Product Owners, and Engineering Managers to define technical boundaries, enforce best practices, and drive long-term technical strategy. You will also guide and mentor engineers, fostering a culture of technical excellence, innovation, and continuous improvement. You play a crucial role in cross-functional collaboration, stakeholder engagement, and risk management, ensuring that technical decisions align with both business goals and engineering best practices.