Java JIT Compiler Performance Engineer
Job Description & How to Apply Below
Improve Java performance through C++ optimization and code generation with Azul’s Falcon JIT compiler, working remotely or from Prague, Limassol, or Belgrade.
As a Compiler Performance Engineer, you will optimize Falcon, the LLVM-based JIT compiler in Azul Platform Prime. Analyze benchmarks and customer workloads to find generated-code gaps and root causes. Apply compiler optimization theory across Falcon’s middle and back ends.
Key Responsibilities:- Analyze Java benchmarks and customer workloads
- Trace generated-code gaps to compiler root causes
- Implement inlining, loop, vectorization, and redundancy optimizations
- Improve and AArch
64 code generation - Write regression-protecting tests and benchmarks
- Two-plus years in compilers or low-level performance engineering
- Strong C++ design and coding skills
- Understanding of SSA, data flow, and loop transformations
- Ability to read assembly and compare instruction sequences
- LLVM, profiler, JVM, or microarchitecture experience is beneficial
Bring compiler expertise, C++, and performance analysis to make Falcon generate faster Java code for Azul customers.
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