# Senior AI Kernel Engineer at Modular

- Company: Modular
- What the company does: The unified AI inference stack - from custom GPU kernels to production cloud serving on NVIDIA and AMD. 2x performance. Top open models. Open source stack. Backed by General Catalyst, Greylock and GV.
- Company website: https://www.modular.com/
- Type: Startups (AI role)
- Level: Senior
- Location: United States - Remote
- Work setup: Remote
- Posted: 2026-01-27
- Apply by: 2026-10-08
- Apply: https://jobs.gem.com/modular/am9icG9zdDpTSwqoL-yL11N_jxR40Vhh
- Page: https://www.1752.vc/careers/jobs/modular-senior-ai-kernel-engineer/

## About the role

We are seeking a Senior AI Kernel Engineer to lead the design and optimization of high-performance kernels for large-scale AI inference on GPUs and emerging custom accelerators. In this role, you will own performance-critical paths, drive architectural decisions, and turn complex AI workloads into highly optimized implementations that run efficiently at scale.

## What they're looking for

- 5+ years of experience in performance-critical systems or kernel development (or equivalent depth of expertise)
- Strong proficiency in C/C++ and low-level programming
- Extensive hands-on experience with GPU kernel programming (CUDA, HIP, or equivalent)
- Deep understanding of GPU architecture , including memory hierarchies, synchronization, and execution models
- Proven track record of delivering measurable performance improvements in production systems
- Strong problem-solving skills and ability to work independently on complex, ambiguous performance challenges