Senior Software Development Engineer, Distributed SQL

The Distributed SQL team at AWS is building revolutionary transactional database technology, delivering innovative customer experiences in areas of automated operations, global scale, query processing, and storage. As a Senior Software Development Engineer on the Query Processing sub-team, you will be responsible for building a highly distributed and performant database system with a focus on query processing. This involves designing and implementing key components such as the query optimizer, planner, and execution engine. You'll work on optimizing queries through techniques like heuristic-based rewrites, cost-based optimizations, improved cardinality estimations, and leveraging runtime feedback. You'll identify and resolve performance bottlenecks to ensure efficient and scalable database operations. The ideal candidate has experience building databases and/or large stateful cloud services, can dive into complex problems, and invent simple and elegant solutions. You'll collaborate across diverse teams, solve challenging technical problems, and have a firsthand impact on our global customer base. Key responsibilities include designing, implementing, testing, deploying, and maintaining innovative software solutions, building high-quality, highly available products, and participating in design discussions and code reviews. You'll work in a startup-like environment, always focusing on the most important tasks. The team values diverse experiences, fosters a culture of inclusion, and provides ongoing learning opportunities, mentorship, and career growth resources.