Software Engineer, Metal Runtime (AI)

TL;DR

Software Engineer, Metal Runtime (AI): Designing and evolving host and device APIs for AI accelerators to expose hardware capabilities to the software stack with an accent on low-level system design and performance. Focus on translating complex hardware behavior into efficient abstractions and ensuring the long-term maintainability of the runtime.

Location: Hybrid: Austin, TX; Santa Clara, CA; or Toronto, ON

Salary: $100k - $500k

Company

hirify.global is leading the industry in cutting-edge AI technology, developing high-performance RISC-V CPUs and AI accelerators to redefine computing paradigms.

What you will do

• Design and evolve host and device APIs that expose Metal runtime capabilities clearly and efficiently.
• Translate low-level hardware behavior into intuitive, high-performance abstractions.
• Collaborate with runtime, kernel, and higher-level software teams to align API design with real-world usage.
• Ensure APIs balance performance, control, safety, and ease of use.
• Contribute to runtime implementation to support API design and integration.
• Debug, analyze, and improve usability and performance across the software stack.

Requirements

• Strong coding proficiency in C or C++ with a passion for working close to hardware.
• Deep understanding of threads, processors, and memory movement.
• Experience or strong interest in designing libraries and interfaces for other engineers.
• Commitment to long-term maintainability, usability, and clarity in systems design.
• Must be eligible to access U.S. export-controlled technology.

Nice to have

• Experience designing or evolving non-trivial C++ APIs used by other engineers.
• Familiarity with accelerator APIs such as CUDA, SYCL, or Vulkan.

Culture & Benefits

• Highly competitive compensation package and comprehensive benefits.
• Collaborative work environment focused on solving hard technical problems.
• Opportunity to work in a fast-paced AI startup where software and hardware co-evolve.