Fal
Fal3mo ago
$180,000 – $250,000/yr

Staff Software Engineer, ML Performance & Systems

United StatesUnited States - San Franciscolead
Engineering
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Quick Summary

Key Responsibilities

Help fal maintain its frontier position on model performance for generative media models. Design and implement novel approaches to model serving architecture on top of our in-house inference engine,

Requirements Summary

Strong foundation in systems programming with expertise in identifying and fixing bottlenecks. Deep understanding of cutting edge ML infrastructure stack (anything from PyTorch, TensorRT,

Technical Tools
Engineering

Help fal maintain its frontier position on model performance for generative media models. Design and implement novel approaches to model serving architecture on top of our in-house inference engine, focusing on maximizing throughput while minimizing latency and resource usage. Develop performance monitoring and profiling tools to identify bottlenecks and optimization opportunities. Work closely with our Applied ML team and customers (frontier labs on the media space) and make sure their workloads benefit from our accelerator.

Responsibilities

~1 min read
  • Help fal maintain its frontier position on model performance for generative media models.

  • Design and implement novel approaches to model serving architecture on top of our in-house inference engine, focusing on maximizing throughput while minimizing latency and resource usage.

  • Develop performance monitoring and profiling tools to identify bottlenecks and optimization opportunities.

  • Work closely with our Applied ML team and customers (frontier labs on the media space) and make sure their workloads benefit from our accelerator.

Requirements

~1 min read
  • Strong foundation in systems programming with expertise in identifying and fixing bottlenecks.

  • Deep understanding of cutting edge ML infrastructure stack (anything from PyTorch, TensorRT, TransformerEngine to Nsight), including model compilation, quantization, and serving architectures. Ideally following closely the developments in all these systems as they happen.

  • Have a fundamental view of the underlying hardware (Nvidia based systems at the moment), and when necessary go deeper into the stack to fix bottlenecks (custom GEMM kernels with CUTLASS for common shapes).

  • Proficient in Triton or willingness to learn with comparable experience in lower-level accelerator programming.

  • New frontier: multi-dimensional model parallelism (combining multiple parallelism techniques like TP with context parallel / sequence parallel).

  • Familiar with internals of Ring Attention, FA3, FusedMLP implementations.

What We Offer

~1 min read
Interesting and challenging work
Competitive salary and equity
A lot of learning and growth opportunities
We offer visa sponsorship and will help you relocate to San Francisco.
Health, dental, and vision insurance (US)
Regular team events and offsite

What We Offer

~1 min read
$180,000 - $250,000 + equity + comprehensive benefits package
  • We are currently hiring in downtown San Francisco.

Listing Details

Posted
December 16, 2025
First seen
March 26, 2026
Last seen
April 15, 2026

Posting Health

Days active
19
Repost count
0
Trust Level
54%
Scored at
April 15, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trustcandidate experience
Fal
Fal
greenhouse
Employees
5
Founded
2004
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FalStaff Software Engineer, ML Performance & Systems$180k–$250k