Senior Java Runtime Engineer — JIT, GC & JVM Optimization

Amazon Inc.; Seattle (WA); Presencial; USD 168 000 - 227 000; Tempo integral

Resumo da oferta

Amazon Development Center U.S., Inc. in Seattle seeks a Software Development Engineer to advance the Amazon Java Runtime.

You will work across JIT, GC, and core runtime subsystems to optimize the JVM on x86 and Graviton fleets. The role emphasizes profiling real production workloads, designing improvements, and upstream contributions to OpenJDK and Corretto, with a focus on scalable tooling and reliability across services.

Qualificações

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

Responsabilidades

• Analyze production JVM workloads to identify compiler, GC, and runtime bottlenecks, and translate findings into concrete optimizations.
• Design, implement, and benchmark improvements to JIT compilation, garbage collection, and core runtime subsystems.
• Contribute changes upstream to OpenJDK and to Amazon Corretto, working through code review and community processes.
• Tune runtime behavior for performance and efficiency across x86 and Graviton (AArch64) architectures.
• Build and improve profiling, observability, and auto-tuning tooling so runtime expertise scales across the fleet rather than through manual, per-service consultation.
• Validate performance and reliability of changes against real workloads before broad rollout.
• Partner with service teams to drive adoption of runtime improvements and newer JDK versions.

Conhecimentos

Software dev exp

Programming exp

Design leadership

Tech lead

Formação académica

Bachelor's degree in CS

Ferramentas

OpenJDK

Corretto

JVM

Descrição da oferta de emprego

Amazon Development Center U.S., Inc. in Seattle seeks a Software Development Engineer to advance the Amazon Java Runtime.

You will work across JIT, GC, and core runtime subsystems to optimize the JVM on x86 and Graviton fleets. The role emphasizes profiling real production workloads, designing improvements, and upstream contributions to OpenJDK and Corretto, with a focus on scalable tooling and reliability across services.