Full Job Description
Software Development Engineer, Amazon Java Runtime
Java powers the majority of services at Amazon and nearly all public-facing AWS services. When we make the runtime faster or leaner, thousands of services - and millions of customers - feel it. You will work at the intersection of compilers, garbage collection, and systems software: finding bottlenecks in real running services, developing patches to the OpenJDK compiler, runtime, and libraries, and shipping them to every Amazon developer. You'll share what you learn with the broader engineering community and contribute your improvements back to OpenJDK - where the whole world runs them too.
This is deep, high-leverage systems work with an unusually direct line from your keyboard to global impact. We care about scalability, availability, and efficiency - and about going above and beyond to deliver the best possible Java experience for Amazon's internal teams, Corretto users, and the OpenJDK community.
Key job responsibilities
Identify areas for improvement using data from real running services, and turn those findings into concrete compiler, GC, and runtime optimizations.
Design, implement, and benchmark improvements to JIT compilation, garbage collection, and core runtime subsystems in the OpenJDK compiler, runtime, and libraries.
Contribute your changes upstream to OpenJDK and to Amazon Corretto, working through code review and the community process.
Tune runtime behavior for performance and efficiency across x86 and Graviton (AArch64) architectures.
Build profiling, observability, and auto-tuning tooling so runtime expertise scales across the fleet.
Share your findings with the engineering community and help service teams adopt runtime improvements and newer JDK versions
BASIC QUALIFICATIONS
-3+ years of non-internship professional software development experience
-2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
-1+ years of software development engineer or related occupational experience
-1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
-1+ years of Object Oriented Design experience
-Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
-Experience programming with at least one software programming language
PREFERRED QUALIFICATIONS
-3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
-Bachelor's degree in computer science or equivalent
The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.
USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually