Principal Software Engineer, AWS CloudWatch

Come build the next generation of cloud observability with us. Amazon CloudWatch gives every AWS customer a single platform to send, store, and query metrics from over 70 AWS services alongside their own Basic qualifications: 10+ years of non-internship professional software development experience. 10+ years designing and architecting new and existing large-scale distributed systems, including design patterns, reliability, and scaling. Relevant experience in high-performance storage, time-series/metrics systems, query engines, or database internals. Experience setting technical direction across multiple teams and delivering step-function improvements to systems at scale. Preferred: Deep familiarity with time-series data, metrics systems, and the Prometheus and OpenTelemetry ecosystems. Experience with S3-based storage, stream processing (e.g., Kinesis, Kafka), and columnar formats such as Parquet. Experience with PromQL or other time-series query languages, query planning, storage compaction, and performance optimization at scale. Systems programming experience in Rust, Java, C++, or similar. Experience influencing architecture across organizations and mentoring senior engineers. Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice ( https://www.amazon.jobs/en/privacy_page ) to know more about how we collect, use and transfer the personal data of our candidates. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.