Amazon Ads is seeking a Senior Software Development Engineer with a background in Machine Learning, LLM, and agentic workflows to enhance its advertising business. The role involves building large-scale real-time machine learning services and multi-agent workflows to measure ad quality and relevance. The team focuses on creating innovative solutions that improve product discovery for shoppers and provide effective advertising platforms. This position offers the opportunity to mentor junior engineers while working on cutting-edge technologies.

• 5+ years of non-internship professional software development experience
• 5+ years of programming experience with at least one software programming language
• 5+ years of experience leading design or architecture of new and existing systems
• Experience as a mentor or tech lead in an engineering team
• 5+ years of experience in the full software development life cycle, including coding standards and code reviews
• Experience with end-to-end design and implementation of ML and MLOps in production
• Experience deploying, optimizing, and evaluating LLM and multi-agent workflows in production

• Design, code, troubleshoot, and support scalable pipelines and online serving systems
• Implement end-to-end ML, DL, and LLM solutions and optimize their performance
• Mentor junior engineers and guide them to realize their full potential
• Collaborate with cross-functional teams to enhance product offerings
• Develop a profound understanding of shoppers and products to improve ad relevancy

• Employees at Amazon are often offered comprehensive health benefits—including multiple medical plan options (no pre-existing condition exclusions, 100% covered in-network preventive care), dental and vision plans, a 24/7 medical advice line from day one, expert second-opinion services, and broad mental-health support with several free counseling sessions (including pediatric). Financial wellness typically includes a 401(k) with company match (up to 2%), Restricted Stock Units (equity), FSAs, an emergency savings program, product and partner discounts, and even college-savings and home-purchase programs. Overall, the package is designed to support employees and their families’ health, finances, and day-to-day life.