LLVM Compiler Engineer

Prague && Belgrade && Serbia - Remote && Cyprus - Remote && Limassol

Full-Time

Mid (3-6 yrs)

Engineering & Development

Posted on July 31, 2026

As the only company focused 100% on Java, Azul is building the Java platform for the modern cloud enterprise. We are reimagining how customers use Java, bringing them the tools and insight they need to deliver faster, more performant, more dependable, and less expensive Java services. Come join one of the most influential members of the Java and OpenJDK community and help influence the future of Java.

Falcon is one of the key technologies in Azul Platform Prime. It is a Just-In-Time compiler for Java bytecode based on LLVM that pushes Java performance to the levels never reached before. Azul's compiler team is looking for an LLVM Compiler Engineer interested in helping us improve Falcon even further.

In this role you will be working with a distributed but highly collaborative team of compiler experts. You will be creating new features and optimization in Falcon compiler, improving LLVM performance for managed languages, and contributing to open source.

Minimum Requirements

Strong C/C++ design and coding skills

5+ years of experience developing LLVM compilers, or transferable experience with another compiler

Strong background in compiler theory and development

Very Nice to Have / Preferred Experience

Solid experience in developing language runtimes and JIT compilers

Thorough knowledge of x86_64 and/or ARM64 instruction sets and optimizations

Performance analysis experience

Experience with Java, Scala or Kotlin

PhD in Computer Science, and/or significant research experience

What We Offer

Opportunity to make a high impact at a growing, global company