Zscaler is looking for an experienced Senior Staff Development Engineer to join our team. This role is hybrid and based in our San Jose, CA office three days a week. Reporting to the Director, Software Engineering, you'll be responsible for architecting and developing cloud-based solutions leveraging AWS services like Lambda, EC2, S3, DynamoDB, RDS, and more to drive functionality and innovation. You will design and refine distributed systems to ensure fault tolerance, high scalability, and seamless performance. Additionally, you will partner with DevOps and infrastructure teams to streamline deployments, implement CI/CD pipelines, and enforce robust cloud security practices. Your role will also involve optimizing backend systems and applications to maximize performance, scalability, and cost efficiency, while producing high-quality, clean, and maintainable code that aligns with industry best practices and coding standards.