Lead Software Engineer (Compiler/LLVM)

TL;DR

Lead Software Engineer (Compiler/LLVM): Designing and implementing compiler optimizations and features for Xtensa processors with an accent on code generation, performance tuning, and architecture enablement. Focus on analyzing real-world AI and DSP workloads, partnering with hardware teams, and providing technical mentorship to the engineering team.

Location: Must be based in Cork, Ireland or Belo Horizonte, Brazil

Company

hirify.global is a global leader in electronic design, providing computational software, hardware, and IP to turn design concepts into reality for the world's most innovative companies.

What you will do

• Design and implement compiler optimizations and features for Xtensa processors.
• Drive improvements in code generation, performance tuning, and architecture enablement across the toolchain.
• Partner closely with hardware and architecture teams on new ISA features and capabilities.
• Analyze and optimize real-world workloads, including AI, DSP, and vision use cases.
• Provide technical mentorship to junior engineers and contribute to the team’s technical direction.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or related field.
• 4+ years of experience in compiler development or low-level systems software.
• Strong C/C++ programming skills with solid debugging and problem-solving expertise.
• Good understanding of compiler internals such as LLVM or GCC.
• Strong foundation in computer architecture and performance optimization.

Nice to have

• Experience with DSPs, AI/ML workloads, or embedded systems.
• Hands-on experience with LLVM or GCC backends and optimization passes.
• Experience working close to hardware teams or enabling new processor architectures.

Culture & Benefits

• Competitive salary and Employee Stock Purchase Plan.
• 25 days of holiday per year.
• Comprehensive health benefits including private medical, dental, income protection, and life insurance.
• Group Personal Pension Plan.
• Cycle to work scheme, gym subsidy, and 5 days of paid volunteer time.