Senior Java Runtime Engineer — JIT, GC & JVM Optimization

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.