Software Engineer II - ECS Scheduler, Scheduling at Scale

Amazon Development Center U.S., Inc.; Jersey City (NJ); On-site; USD 140,000 - 210,000; Full time

Job summary

Amazon Development Center U.S., Inc. is seeking a Software Development Engineer II to own and build the distributed systems behind the ECS Scheduler at massive scale in AWS.

You will design scheduling algorithms, drive operational excellence, and ship features that millions of customers rely on daily. You will design, develop, and operate highly available distributed systems for container scheduling, mentor L4 engineers, and contribute to performance improvements across services used by AWS

Qualifications

• 3+ years of professional software development experience.
• 2+ years of design or architecture experience for large systems.
• 1+ years of software development engineer experience.
• 1+ years designing and developing large-scale, multi-tiered systems.

Responsibilities

• Design, develop, and operate highly available, scalable distributed systems for container scheduling and task placement at massive scale (115M+ daily launches).
• Own end-to-end design and delivery of ECS Scheduler features from design docs to production.
• Build high-throughput, low-latency scheduling algorithms in Java for real-time placement across large compute fleets.
• Design and implement resource management to optimize utilization and handle capacity constraints.
• Lead operational excellence, on-call rotations, and production health.
• Drive architectural discussions and review for new scheduler capabilities.
• Mentor more junior engineers through code reviews and design guidance.
• Identify and resolve performance bottlenecks in AWS-scale systems.
• Collaborate across ECS teams on cross-cutting projects.
• Build tooling to improve diagnostics and observability.

Skills

Java

Design patterns

Distributed systems

Performance optimization

Mentor engineers

On-call

Job description

Amazon Development Center U.S., Inc. is seeking a Software Development Engineer II to own and build the distributed systems behind the ECS Scheduler at massive scale in AWS.

You will design scheduling algorithms, drive operational excellence, and ship features that millions of customers rely on daily. You will design, develop, and operate highly available distributed systems for container scheduling, mentor L4 engineers, and contribute to performance improvements across services used by AWS