The Senior Application Engineer at Google's Business Systems Integration team will focus on removing roadblocks to progress by building reliable and scalable solutions for internal processes. This role involves translating Googler needs into technical specifications, designing and developing systems, and consulting with executives for smooth implementation. Responsibilities include partnering with internal teams to define and implement solutions, identifying and solving business issues, developing and deploying applications across various platforms, and maintaining development practices. The ideal candidate will have experience with Java, web services, GCP, and full system implementation life cycles.