The Senior Machine Learning Engineer role is part of an Amazon Special Projects team focused on innovating at scale to tackle significant global challenges. This position requires deep technical expertise to build reliable and scalable AI systems while collaborating closely with Applied Scientists. The team operates with the agility of a startup, encouraging builders who thrive in ambiguous environments. Candidates should be passionate about making a positive impact on humanity and solving complex problems.

• 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, tech lead, or leading an engineering team
• 5+ years of experience in the full software development life cycle, including coding standards and operations
• Bachelor's degree in computer science or equivalent

• Spearhead large scale technical initiatives and make critical architectural decisions
• Identify and resolve complex technical challenges in ambiguous problem spaces
• Design and implement scalable data processing pipelines and infrastructure for ML model training workflows
• Develop tools for data preprocessing, feature engineering, and efficient resource utilization for AI training jobs
• Create monitoring systems, debugging tools, and performance optimization solutions for ML infrastructure
• Collaborate to integrate ML frameworks with production systems and implement version control for code and model artifacts
• Mentor and guide MLEs and SDEs, fostering their growth and the overall team’s capabilities

• 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.