Senior SDE – SageMaker Training & Model Customization

Amazon Web Services (AWS); Bellevue (WA); On-site; USD 168,000 - 227,000; Full time

Job summary

Amazon Development Center U.S., Inc. in Bellevue, WA is seeking a Senior Software Development Engineer to own architectural direction, lead software development alongside peers, and ensure high-quality, scalable services for large-scale model training and customization.

You will drive design decisions across teams, mentor engineers, and advocate best practices while balancing delivery speed with future-proof infrastructure.

Qualifications

• 5+ years of professional software development experience
• 5+ years of programming with at least one software programming language
• 5+ years of leading design or architecture of new and existing systems
• Experience as a mentor, tech lead or leading an engineering team

Responsibilities

• Design, develop, and operate distributed services for large-scale training and RL workloads
• Build scheduling, capacity, and fleet-health systems for GPU clusters
• Create infrastructure hosting multi-tenant GPU sharing across customers
• Collaborate with Science, Product, and partner teams to translate requirements into scalable solutions
• Maintain high operational excellence for services in the training workloads path

Skills

Software development experience

Programming languages

System design leadership

Mentorship / tech lead

Education

Bachelor's degree in computer science

Job description

Amazon Development Center U.S., Inc. in Bellevue, WA is seeking a Senior Software Development Engineer to own architectural direction, lead software development alongside peers, and ensure high-quality, scalable services for large-scale model training and customization.

You will drive design decisions across teams, mentor engineers, and advocate best practices while balancing delivery speed with future-proof infrastructure.