Principal Software Engineer, MADS

We are seeking an experienced Principal Engineer to lead the evolution and optimization of high-scale programmatic reporting systems at Amazon Ads. This role will drive the technical vision for how advertisers Basic qualifications: - 10+ years of professional software development experience - 7+ years of designing and building large-scale distributed systems - Experience leading technical strategy and architecture for organizations of 30+ engineers - Deep expertise in at least two of: stream processing (Kafka, Flink, Kinesis), batch processing (Spark, EMR), or columnar data systems (Parquet, Iceberg, Delta Lake) - Proven track record of delivering high-performance data systems that put data directly into the hands of sophisticated customers through programmatic interfaces - Experience presenting technical strategies to senior executive leadership - Bachelor's degree in Computer Science or equivalent Preferred: - Experience with advertising technology platforms or large-scale reporting systems - Expertise in query optimization, execution planning, and OLAP systems - Experience with AWS cloud infrastructure (S3, EMR, SQS, Kinesis, Firehose) - Publications, talks, or recognized thought leadership in distributed systems or data infrastructure - Experience mentoring engineers to Staff/Principal level - Track record of building consensus across organizations with competing technical priorities 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. The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status. CAN, ON, Toronto - 185,400.00 - 309,600.00 CAD annually