Palo Alto, California, United States · On-site
About the Role RadixArk is seeking a Member of Technical Staff — Inference to push the limits of large-scale AI inference. You will work on the core systems that serve frontier models at scale, optimizing performance, la…
Skills: Systems Engineering, ML Infrastructure, GPU Architecture, Distributed Systems, Python
Palo Alto, California, United States · On-site
About the Role RadixArk is seeking a Member of Technical Staff, Developer Technology (DevTech) to make LLM inference and training dramatically faster, cheaper, and more accessible on modern GPU hardware. Our systems sit …
Skills: GPU Systems, LLM Infrastructure, Performance Engineering, CUDA, ROCm
Mountain View, California, United States · On-site
$177k–$257k/yr
Minimum qualifications: Bachelor's degree in Computer Science, Engineering, a related field, or equivalent practical experience. 10 years of experience with data center networking architecture, operations, and power dist…
Skills: Data center networking, Robotics, Technical program management, Network architecture, Power distribution systems
Sunnyvale, California, United States · On-site
$165k–$195k/yr
Company Description The Bosch Research and Technology Center North America with offices in Sunnyvale, California, Pittsburgh, Pennsylvania, and Cambridge, Massachusetts is a part of the global Bosch Group (www.bosch.com)…
Skills: Multimodal Deep Learning, Time Series Foundation Models, Signal Processing, Python, PyTorch
Sunnyvale, California, United States · On-site
$165k–$195k/yr
Company Description The Bosch Research and Technology Center North America with offices in Sunnyvale, California, Pittsburgh, Pennsylvania, and Cambridge, Massachusetts is a part of the global Bosch Group (www.bosch.com)…
Skills: Time-Series Foundation Models, Deep Learning, Signal Processing, Python, PyTorch
Sunnyvale, California, United States · On-site
$165k–$195k/yr
Company Description The Bosch Research and Technology Center North America with offices in Sunnyvale, California, Pittsburgh, Pennsylvania, and Cambridge, Massachusetts is a part of the global Bosch Group (www.bosch.com)…
Skills: Time Series Foundation Models, Deep Learning, Signal Processing, Python, PyTorch
Palo Alto, California, United States · On-site
About the Role RadixArk is looking for a Member of Technical Staff — Backend/API Platform Engineer to build the API layer, control plane, and platform services that power SGLang and Miles in production. You'll design and…
Skills: Python, Go, Rust, REST API, gRPC
Long Beach, California, United States · On-site
$125k–$175k/yr
Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it. OUR MISSION True Anomaly delivers decisive capabilities for space superiority. We build autono…
Skills: Hardware Testing, Test Campaign Leadership, Data Analysis, Systems Engineering, Failure Analysis
San Francisco, California, United States · On-site
About the Role We're hiring a Software Engineer, Robotics Platform to help us scale our fleet of robots. This role is on-site five days a week in San Francisco — it's how our small, high-ownership team moves. The robot p…
Skills: Linux, C, C++, Rust, Python
San Bernardino, California, United States · On-site
$160k–$180k/yr
Description JOB SUMMARY The Sr. Director of Electronic Data Interchange (EDI) provides executive leadership, strategic direction, and operational oversight for all organizational EDI systems, data workflows, trading part…
Skills: EDI Standards, X12, HIPAA Transactions, Data Mapping, Integration Architecture
Sunnyvale, California, United States · Hybrid
$158k–$268k/yr
Company Description It started with a simple idea: what if surgery could be less invasive and recovery less painful? Nearly 30 years later, that question still fuels everything we do at Intuitive. As a global leader in r…
Skills: Medical device industry, Surgical workflow analysis, Robotic surgery, Clinical evaluation, Design controls
Poway, California, United States · On-site
$17/hr–$21/hr
Description We are seeking a skilled Computer Assembler to join our team. The successful candidate will be responsible for assembling computer components and ensuring that they function properly. Using assorted hand and …
Skills: Computer assembly, Hand tools, Power tools, Soldering, Blueprint reading
San Luis Obispo, California, United States · On-site
Description Help Desk: Provide end user support ( on-site and remote). Record time and work log entries on ticketsActive Directory: Create user accounts for new hires. Disable accounts for departing employees.CCTV: Troub…
Skills: Active Directory, Windows Server, PowerShell, Group Policy, Network Troubleshooting
San Francisco, California, United States · Hybrid
$93k–$119k/yr
About Marqvision Protect and build a future shaped by original ideas, innovations and creativity. Threats to brand integrity are scaling fast. We're building the intelligence to scale faster. MarqVision is the brand inte…
Skills: Outbound Prospecting, Pipeline Generation, Salesforce, LinkedIn Sales Navigator, AI-powered Prospecting
San Jose, California, United States · Hybrid
Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pio…
Skills: Machine Learning, Reinforcement Learning, Spark, Python, Java
Santa Monica, California, United States · Hybrid
Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pio…
Skills: AdTech, MarTech, SQL, Hive, Data Visualization
San Jose, California, United States · Hybrid
$247k–$486k/yr
Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pio…
Skills: React/Redux, Solid JS, Flutter, Cordova, JavaScript
Marin County, California, United States · On-site
$125k–$130k/yr
Description Our results-focused Technology Operations (TechOps) team delivers secure and reliable technology services across all company properties. These properties include a mix of commercial and residential locations,…
Skills: Network operations, Infrastructure planning, Switching and routing, Firewall administration, Wireless platforms
Truckee, California, United States · On-site
This position is expected to be onsite in either Reno, NV or Truckee, CA. Bargaining Unit: Non Represented - Professional Rate of Pay: $111,217/annually + DOE Summary The Senior BI Analyst will play a critical role in an…
Skills: SQL, Data Analysis, Data Visualization, Tableau, Power BI
Mountain View, California, United States · On-site
$154k–$171k/yr
Company Overview ID.me is the next-generation digital identity wallet that simplifies how individuals securely prove their identity online. Consumers can verify their identity with ID.me once and seamlessly login across …
Skills: LLM Integration, AI Agents, Python, Go, JavaScript
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Design and build large-scale inference systems for frontier AI models while optimizing latency, throughput, and GPU utilization. Collaborate with cross-functional teams to improve model serving architectures and drive the scalability of inference infrastructure.
Requires 5+ years of experience in systems engineering or ML infrastructure with deep expertise in GPU architecture and large-scale LLM inference. Proficiency in production languages like Python, Rust, C++, or Go is essential.
RadixArk is seeking a Member of Technical Staff — Inference to push the limits of large-scale AI inference.
You will work on the core systems that serve frontier models at scale, optimizing performance, latency, throughput, and cost across thousands of GPUs. This role sits at the intersection of systems engineering, ML infrastructure, and performance optimization.
Your work will directly shape how state-of-the-art models are deployed and experienced by users worldwide.
This is a deeply technical, high-impact role for engineers who enjoy working close to the hardware–software boundary and solving performance-critical problems at scale.
5+ years of experience in systems engineering, ML infrastructure, or performance-critical backend systems
Strong expertise in large-scale inference systems for LLMs or generative models
Deep understanding of GPU architecture and performance characteristics
Experience optimizing latency- and throughput-critical production systems
Strong knowledge of distributed systems and networking fundamentals
Proficiency in Python, Rust, C++, or Go for production systems
Experience profiling and optimizing compute-intensive workloads
Strong debugging skills across system layers (model, runtime, kernel, network)
Experience with LLM serving stacks (SGLang, vLLM, TensorRT-LLM, etc.)
Open-source contributions in ML or systems infrastructure
Familiarity with CUDA, Triton, or custom kernel optimization
Experience with batching, KV-cache management, and scheduling strategies
Experience running inference at scale (1000+ GPUs)
Background in HPC or high-performance systems
Design and build large-scale inference systems for frontier AI models
Optimize latency, throughput, and GPU utilization in production inference
Develop and improve model serving architectures and runtimes
Work on batching, scheduling, and memory management strategies
Collaborate with kernel, compiler, and systems teams on performance optimization
Debug performance bottlenecks across the stack
Drive reliability and scalability of inference infrastructure
Build tooling for observability, profiling, and performance analysis
Contribute to long-term inference architecture and strategy
RadixArk is an infrastructure-first company built by engineers who've shipped production AI systems, created SGLang (30K+ GitHub stars, the fastest open LLM serving engine), and developed Miles (our large-scale RL framework). Founded by AI infrastructure veterans from xAI and NVIDIA, we're on a mission to democratize frontier-level AI infrastructure by building world-class open systems for inference and training. Our team has optimized kernels serving billions of tokens daily, designed distributed training systems coordinating 10,000+ GPUs, and contributed to infrastructure that powers leading AI companies and research labs.
We offer competitive compensation with equity, comprehensive health benefits, and flexible work arrangements. Compensation is determined by location, level, and experience.
RadixArk is an Equal Opportunity Employer and is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and more.
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