Staff Compiler Engineer — LLVM Backend for AI Accelerators

Acceler8 Talent; Mountain View (CA); Hybrid; USD 180,000 - 260,000; Full time

Job summary

Acceler8 Talent is seeking a Compiler Engineer to own the backend compiler stack for a custom accelerator in Mountain View, CA. You will drive instruction selection, register allocation, scheduling, code generation, and tooling.

Join a cross-disciplinary team to bring up the compiler stack from early development through production, improving generated-code quality and hardware utilization across scalar, vector, and FP pipelines.

Qualifications

• 5+ years of compiler engineering experience.
• Hands-on experience developing or extending an LLVM target backend.
• Deep understanding of LLVM backend internals including TableGen, instruction selection, register allocation, scheduling, and machine IR.

Responsibilities

• Develop and maintain a compiler backend for a custom accelerator instruction set.
• Implement instruction selection, register allocation, instruction scheduling, lowering, and code generation.
• Support scalar, vector, and floating-point execution pipelines.
• Build and maintain target descriptions, machine models, and backend infrastructure.
• Contribute to assembler, linker, loader, and binary-format support where needed.
• Debug correctness issues and performance regressions across the full compilation flow.
• Analyze generated code and improve code quality, throughput, latency, and hardware utilization.
• Partner with hardware architects on ISA design and compiler-hardware co-design.
• Support early architecture bring-up and validation using simulation, emulation, or pre-silicon environments.
• Develop automation and assisted tool flows to accelerate compiler development, testing, and performance tuning.
• Collaborate with frontend, middle-end, runtime, kernel, and systems engineers.

Skills

Compiler engineering

LLVM backend

TableGen

Register allocation

Instruction scheduling

Code generation

C++

Hardware-software co-design

Job description

Acceler8 Talent is seeking a Compiler Engineer to own the backend compiler stack for a custom accelerator in Mountain View, CA. You will drive instruction selection, register allocation, scheduling, code generation, and tooling.

Join a cross-disciplinary team to bring up the compiler stack from early development through production, improving generated-code quality and hardware utilization across scalar, vector, and FP pipelines.