Compiler Performance Engineer

🔥 13 hours ago

🇮🇳 India – Remote

⏰ Full Time

🟢 Junior

🟡 Mid-level

👷🏻‍♀️ Engineer

🚫👨‍🎓 No degree required

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Azul

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2002

☁️ SaaS

🏢 Enterprise

💰 $40M Series F on 2007-09

Software & Technology • SaaS • Enterprise

Azul is a company specializing in a high-performance Java platform that offers improved speed, startup efficiency, and reduced cloud costs without requiring code changes. The company provides products such as Azul Zulu and Azul Zing, which form part of its platform offerings targeting enhanced application performance and DevOps efficiency. Azul serves a range of industries including retail, e-commerce, financial services, and technology, supporting mission-critical Java applications globally. Their solutions focus on cloud cost optimization and digital transformation, supported by competitive pricing and expert 24/7 service. Azul is recognized for its excellence in Java infrastructure, offering unparalleled support and customer satisfaction.

📋 Description

• Analyze performance of Java benchmarks and customer workloads, find gaps in generated code and trace them to their root cause in the compiler • Implement and improve optimizations in Falcon's middle end and back end, including inlining, loop optimizations, vectorization, redundancy elimination and speculative optimizations • Improve code generation for x86_64 and AArch64 • Write tests and benchmarks that prove improvements and protect against regressions • Contribute changes upstream to LLVM where appropriate • Work on real workloads with direct, measurable impact on customer performance

🎯 Requirements

• 2+ years of professional experience in compilers, JIT compilers or low level performance engineering • Strong C++ design and coding skills • Solid understanding of compiler optimization theory: SSA, data flow analysis, loop transformations • Ability to read assembly and reason about why one instruction sequence is faster than another • Experience with LLVM IR and LLVM optimization passes, or with another optimizing compiler such as HotSpot C2, Graal, GCC or V8 • Experience with profilers such as perf, VTune or async profiler • Knowledge of x86_64 and/or AArch64 microarchitecture • Experience with Java, Scala or Kotlin, or with JVM internals • MSc or PhD in Computer Science with a compiler or performance focus

🏖️ Benefits

• Employee - Full-time - Regular • Remote work arrangement • Opportunity to work with a distributed team of compiler experts • Direct, measurable impact on customer performance