Clockwork Systems, Inc. · 7 hours ago
Senior HPC Developer - GPU and Networking
On Site, Palo Alto, California
Full-time
Onsite
Senior Level
5+ years expClockwork Systems is a pioneering company in software-driven AI fabrics, founded by Stanford researchers and veteran systems engineers. They are seeking a Senior HPC Developer to work on cutting-edge GPU and high-performance networking problems in a startup environment, focusing on optimizing multi-node, multi-GPU systems.
Artificial Intelligence (AI)Cloud ComputingInformation TechnologyReal TimeSoftware
Responsibilities
Build and optimize high-performance GPU and networking subsystems
Work with collective communication libraries and algorithms for multi-node, multi-GPU workloads
Debug performance issues across kernel, driver, GPU, and network layers
Develop and improve GPU-aware networking solutions
Profile, analyze, and tune system performance using low-level tooling
Collaborate closely with a small engineering team and take ownership of core systems
Qualification
Required
5+ years of experience in systems, HPC, or performance-critical software development
Strong proficiency in low-level C/C++
Solid understanding of RDMA networking, including InfiniBand, RoCE, and IBVerbs
Experience working with multi-node, multi-GPU workloads
Familiarity with collective communication libraries and communication algorithms
Ability and willingness to debug complex issues across hardware and software boundaries
Curiosity and eagerness to learn in a fast-moving startup environment
Preferred
Experience with congestion control mechanisms such as DCQCN
Exposure to GPU-aware networking or advanced communication optimizations
Experience with performance profiling, tracing, or observability tooling
Background in AI infrastructure, HPC clusters, or distributed systems
Benefits
Catered lunch.
Competitive compensation.
A great benefits package.
Company
Clockwork Systems, Inc.
Clockwork is the Software-Driven Fabric company for AI and high-performance workloads.
11-50 employees
H1B Sponsorship
Clockwork Systems, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (8)
2023 (5)
2022 (1)
Funding
Current Stage
Early StageTotal Funding
$41.58MKey Investors
New Enterprise Associates
2025-09-10Series A· $20.57M
2022-03-16Series A· $21M
Leadership Team
Suresh Vasudevan
Chief Executive Officer
Balaji Prabhakar
Co-Founder (Oct 2018--present)
Recent News
2022-03-17
2022-03-17
vcnewsdaily.com
2022-03-17
Company data provided by crunchbase