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Compiler Runtime Engineer Jobs (NOW HIRING)

Lemurian Labs

Runtime Engineer

Santa Clara, CA · On-site

About the Role We're looking for a Runtime Engineer to design and build the multi-target runtime ... This is a systems-level role where you'll take the output of our optimizing compiler and make it ...

Lemurian Labs

Runtime Engineer

Santa Clara, CA · On-site

Lemurian Labs is reimagining the foundations of computing to make AI accessible to everyone, and they are seeking a Runtime Engineer to design and build the multi-target runtime for their AI compiler ...

Lemurian Labs

Runtime Engineer

Santa Clara, CA · On-site

About the Role We're looking for a Runtime Engineer to design and build the multi-target runtime ... This is a systems-level role where you'll take the output of our optimizing compiler and make it ...

FlexAI

Staff AI Runtime Engineer

Santa Clara, CA · On-site

Required : • 8+ years of experience in systems/software engineering, with deep exposure to AI runtime, distributed systems, or compiler/runtime interaction. • Experience in delivering PaaS ...

Qualcomm

LLVM/Ripple Compiler Engineer

San Diego, CA · On-site

You will work closely with architecture teams, runtime engineers, and application developers to evolve the Ripple programming model, enhance performance portability, and expand compiler and runtime ...

Qualcomm

LLVM/Ripple Compiler Engineer

San Diego, CA · On-site

You will work closely with architecture teams, runtime engineers, and application developers to evolve the Ripple programming model, enhance performance portability, and expand compiler and runtime ...

FlexAI

Staff AI Runtime Engineer

San Jose, CA · On-site

$180K - $225K/yr

What You'll Need to Be Successful * 8+ years of experience in systems/software engineering, with deep exposure to AI runtime, distributed systems, or compiler/runtime interaction. * Experience in ...

MatX Inc.

Runtime Engineer

Mountain View, CA · On-site

$175K - $362K/yr

... compiler-emitted program runs on top of * Own and extend the executable format: the ... engineers actually use - and hit measurable performance targets on runtime overhead and serving ...

Apple

Darwin Runtime Engineer, Core OS

Cupertino, CA · On-site

... and implement IDL compiler frontend and backend systems, including lexical analysis, parsing ... engineer in the Secure Runtime team would regularly: Participate in all phases of software ...

TetraMem, Inc.

Compiler Engineer

San Jose, CA · On-site

$160K - $300K/yr

Develop runtime systems, software libraries, and SDK components that enable efficient deployment ... MS or PhD in Computer Engineering/CS/EE * 5+ years industry experience as a compiler engineer or ...

SambaNova

Senior Principal Runtime Engineer

San Jose, CA

$147K - $202K/yr

About the role The Runtime Team builds a high-performance, distributed and scalable software ... Cross-functional collaboration including Hardware, ML Application, Compiler, and DevOps Required ...

SambaNova

Senior AI Performance Engineer

San Jose, CA

$143K - $189K/yr

Collaborate with machine learning, compiler, runtime, and hardware teams to deliver co-designed ... Bachelor's or higher degree in computer science, electrical engineering, or a related field (e.g ...

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Compiler Runtime Engineer information

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How much do compiler runtime engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for compiler runtime engineer in the United States is $103,596.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $119,000.00 per year, depending on experience, location, and employer.

What are popular job titles related to Compiler Runtime Engineer jobs?

For Compiler Runtime Engineer jobs, the most frequently searched job titles are:

Infographic showing various Compiler Runtime Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $103,596 per year, or $49.8 per hour.

Runtime Engineer

Santa Clara, CA • On-site

Lemurian Labs
Internet and IT • 11 - 50 employees
Learn more about Lemurian Labsexternal

Full-time

Medical, Dental, Vision, Retirement

Re-posted 28 days ago

Job description

About the Role

We're looking for a Runtime Engineer to design and build the multi-target runtime that sits at the heart of our AI compiler stack. This is a systems-level role where you'll take the output of our optimizing compiler and make it execute - efficiently, correctly, and at scale - across a diverse landscape of hardware targets.

You'll work on low-level parallelization, kernel scheduling, and performance analysis, and collaborate closely with our compiler and product teams to push the boundaries of what's possible on modern AI hardware.

What You'll Do
  • Design, develop, maintain, and improve our multi-target runtime.
  • Apply the latest techniques in parallelization and partitioning to automate kernel generation and exploit highly optimized execution paths.
  • Rapidly prototype and data-drive exploration of new runtime ideas.
  • Benchmark and analyze the outputs produced by our optimizing compiler on target hardware.
  • Build tools to collect and analyze performance bottlenecks.
  • Work closely with our product team to understand the evolving needs of ML engineers and drive improvements in runtime architecture.
RequirementsEssential Skills and Experience
  • BS degree in Computer Science, Computer Engineering, or equivalent practical experience.
  • 4+ years of experience working with compilers or runtime systems.
  • Deep understanding of asynchronous and concurrent programming.
  • 4+ years of experience with C/C++ (C++14 or newer).
  • Understanding of hardware architecture: vector vs. scalar registers and instructions, memory hierarchies.
  • Knowledge of operating system kernel development or hypervisor development.
Preferred Skills and Experience
  • Master's or PhD in Computer Science, Computer Engineering, or equivalent.
  • Experience developing or maintaining GPU compute libraries such as CUDA or ROCm.
  • Experience with GPU programming and optimization.
  • Background in high-performance computing (HPC).
  • Knowledge of deep learning frameworks such as PyTorch, JAX, or Triton.
  • Experience programming large compute clusters.
Why Join Lemurian Labs
  • Build the runtime that makes next-generation AI infrastructure actually go fast.
  • Work across the full stack - from hardware intrinsics to compiler output to distributed execution.
  • Join a team that approaches infrastructure as a canvas, not a constraint.
  • Competitive compensation including equity, medical/dental/vision, retirement savings, and wellness benefits.

Apply