Staff Principal Product Engineer Jobs

About the Role We're looking for a performance engineer to squeeze every FLOP out of modern accelerators. You'll write the kernels and low-level optimizations that make vLLM the fastest inference engine in the world. Your code will run on hundreds of accelerator types, from…

About the Role We're looking for an infrastructure engineer to build the distributed systems that power inference at global scale. You'll design and implement the foundational layers that enable vLLM to serve models across thousands of accelerators with minimal latency and…

They rely on Modal for instant GPU access, sub-second container starts, and native stor

Member of Technical Staff - Systems at Modal in Stockholm, Sweden. Full-time · On-site · $140K – $200K/yr.

Member of Technical Staff - Product (Backend) at Modal in San Francisco, California, United States. Full-time · On-site · $150K – $300K/yr.

Member of Technical Staff, Senior/Staff MLE at Cohere in San Francisco, California, United States. Full-time · On-site.

Member of Technical Staff, MLE at Cohere in San Francisco, California, United States. Full-time · On-site.

Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice,

Member of Technical Staff, Data Analysis and Evaluation at Cohere in London, London, United Kingdom. Full-time · Remote · £250K – £535K/yr.

About the Role Perplexity is seeking a hands-on Software Engineer to build and evolve the software, automations, and systems that power our security operations. This role focuses on engineering security tools and internal AI-driven agents that improve detection and response,…

Senior Member of Technical Staff, Synthetic Data at Cohere in Toronto, Ontario, Canada. Full-time · Remote · C$250K – C$535K/yr.

Member of Technical Staff - Sovereign AI at Cohere in Canada. Full-time · On-site · C$295K – C$535K/yr.

Member of Technical Staff, Model Efficiency at Cohere in New York, New York, United States. Full-time · Remote · $250K – $535K/yr.

Locum - Biomedical Support Staff West Yorkshire ASAP - Ongoing Full-time, 37.5 hours per week This role will be for locums who can assist in our clients Pathology stores. This is a Support worker role that involves receipt of deliveries, stock control, waste disposal and…

Member of Technical Staff - Mid-training at SpaceXSI in Palo Alto, California, United States. $180K – $440K/yr.