LLVM / MLIR Compiler Architect - Photonic Computing

Location: Stuttgart, Germany; Austin, United States; Munich, Germany

Company

hirify.global develops photonic processing systems that use light for scalable, energy-efficient AI and high-performance computing.

What you will do

• Design, lead, and deliver the LLVM/MLIR-based compiler stack for photonic computing.
• Define the hirify.global MLIR dialect and connect it to hardware interfaces, system architecture, and the instruction set architecture.
• Shape hardware design points that enable high parallelism, low latency, and efficient on-device algorithm execution.
• Provide technical guidance to algorithm and application teams developing and optimizing high-performance compute kernels.
• Profile compiler-generated code, analyze performance bottlenecks, and identify optimization opportunities.
• Coordinate compiler development with system engineering, architecture, ASIC design, external partners, and the LLVM/MLIR community.

Requirements

• 5+ years of experience building compilers with LLVM/MLIR and co-designing hardware architectures.
• Experience with profiling and performance analysis of compiler-generated code.
• Deep expertise in systems architecture, programming languages, and AI or scientific computing algorithms.
• Master's degree or PhD in Computer Science, Computer Engineering, or a related field; equivalent industry experience is considered.
• Fluent English required.

Nice to have

• German language skills.
• Experience with heterogeneous or novel compute architectures such as GPUs, TPUs, FPGAs, or custom accelerators.
• Experience defining MLIR dialects and contributing to LLVM/MLIR open-source projects.
• Experience with PyTorch, JAX, TensorFlow, OpenMP, or MPI.
• Background in photonics.

Culture & Benefits

• Work on photonic AI acceleration technologies for next-generation computing and sustainability.
• Own software, client solutions, and public technical materials with direct product impact.
• Collaborate with an international, cross-functional team spanning photonics, processor design, and AI software.
• Work closely with company founders and senior leadership.
• Participate in an environment focused on technical excellence, open communication, pragmatic problem-solving, and open-source development.