Software Development Manager, AWS SageMaker

We are seeking an experienced Software Development Manager to lead the team building our Model Customization platform. It enables customers to fine-tune, adapt, and customize foundation models for their specific use cases - a critical capability as generative AI moves from experimentation to production workloads.

As the founding engineering leader for this platform, you will own the end-to-end technical strategy, hire and develop a high-performing team, and deliver a scalable, reliable service that operates at Amazon

scale. You will work closely with applied scientists, product managers, and partner engineering teams to define the roadmap and ship features that directly impact customers.

Key job responsibilities

Key Responsibilities

• Build and lead the team: Recruit, hire, mentor, and retain a team of software engineers and machine learning engineers. Establish engineering culture, development practices, and operational standards from the ground up.
• Own the platform: Drive the technical vision and architecture for model customization platform, encompassing model fine-tuning workflows (SFT, RLHF, LoRA, etc.), training orchestration, data processing pipelines, and model

evaluation infrastructure.

• Deliver at scale: Ship production services that handle large-scale distributed training jobs, manage GPU/accelerator resources efficiently, and meet strict availability and latency SLAs.
• Operational excellence: Establish and maintain a high operational bar - define metrics, alarms, runbooks, and on-call processes. Own the operational health of the platform end to end.
• Collaborate cross-functionally: Partner with applied science teams on training methodologies, product managers on customer requirements, and infrastructure teams on compute and storage dependencies.
• Raise the bar: Participate in Amazon"s hiring process as a Bar Raiser or interviewer. Foster a culture of technical excellence, ownership, and continuous improvement.
• Influence the roadmap: Translate customer needs and business goals into a prioritized engineering roadmap. Make sound trade-offs between speed, quality, and scope.

About the team

We are building the next generation of model customization tooling that empowers customers to tailor foundation models to their domains - from healthcare and finance to retail and robotics. Our mission is to make model customization accessible, reliable, and cost-effective at any scale. You will join a team that values customer obsession, technical depth, and a bias for action. This is a Boston-based role with the opportunity to shape a new team and product area from the ground up.