Member of Technical Staff
DensityAI
AI Startup in Stealth | Mountain View, CA AI Startup in Stealth is a full-stack semiconductor company founded by pioneers of AI silicon, systems, software, and infrastructure to build the next generation of full-stack AI compute solutions. The team is tightly knit, comprised of senior engineering leaders—many of whom have worked together at the forefront of AI—backed by world-class institutional investors and strategic partners. We are looking for an exceptional Member of Technical Staff to help design, build, and scale core components of our next-generation AI compute platform. Key Responsibilities Core Engineering & Architecture: Design and implement critical components across hardware, systems, and/or software stacks. Contribute to architecture decisions spanning silicon, systems, runtime, and infrastructure. Emphasis on performance, scalability, and reliability. AI Compute Systems Development: Work on problems at the intersection of AI workloads, compute architectures, memory systems, interconnects, compilers, runtimes, or distributed infrastructure. Translate AI performance requirements into concrete technical implementations. Cross-Disciplinary Collaboration: Partner closely with silicon, systems, and software teams to co-design end-to-end solutions. Bridge abstractions across layers to unlock step‑function improvements in performance, efficiency, and usability. Performance, Measurement & Optimization: Define metrics, build benchmarks, and analyze system behavior. Drive first‑principles optimization across compute, memory, networking, and software. Build & Scale the Platform: Help establish technical foundations, development workflows, and engineering best practices. Contribute to hiring and mentoring as the team scales. Qualifications Strong engineering background, with a degree in Computer Science, Electrical Engineering, etc. Experience in one or more areas: systems software, distributed systems, compilers, ML systems, hardware‑software co‑design, silicon‑adjacent software, or large‑scale infrastructure. Deep interest in AI compute, performance engineering, and infrastructure at scale. Ability to operate with a builder mindset: comfortable with ambiguity, rapid iteration, and ownership. Strong technical communication skills and comfort working closely with senior technical leaders. Track record of technical excellence demonstrated through prior roles, projects, or research. What We Offer Key leadership role in a rapidly growing startup shaping the future of AI. Competitive salary, equity, and benefits. Opportunities for professional rapid advancement based on exceptional performance. Application Process If you are passionate about the future of AI/ML compute and building world‑class finance and operations, we would love to hear from you. Please submit your resume and LinkedIn profile to: View email address on click.appcast.io Industry Technology, Information, and Internet. #J-18808-Ljbffr DensityAI
$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of four technical interviews: Coding assessment in a language of your choice. Systems...SuggestedLocal areaRelocation- ...founding team from Anthropic, Google DeepMind, Meta SuperIntelligence, xAI, Apple and Intel. What You’ll Do As a Founding Member of the Technical Staff - Formal Methods at Architect Labs, you’ll work on the formal foundations of our chip design flow. You will own a...Suggested
- ...be able to concisely and accurately share knowledge with their teammates. About the Role We are seeking a highly skilled Member of Technical Staff to join our team in managing and enhancing reliability across a multi-data center environment. This role focuses on automating...Suggested
$180k
Member of Technical Staff - Grok Product ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization...SuggestedTemporary work- ...someone, and when, is the difference between a session that lasts two minutes and one that lasts two hours. As our RecSys founding member, you'll own this problem end-to-end - set the architecture, build the foundation, and grow it from rule-based systems to deep learning...Suggested
- 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...WorldwideFlexible hours
- Member of Technical Staff — Supercomputing About the Role RadixArk is hiring a Member of Technical Staff — Supercomputing to help build, deploy, and operate production‑grade AI infrastructure for frontier‑scale inference and training workloads. This role sits at the intersection...Flexible hours
$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of four technical interviews: Coding assessment in a language of your choice. Systems...Local areaRelocation$180k
...encouraged to work across multiple areas of the company, and as a result, all engineers and researchers share the title "Member of Technical Staff." We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to...Relocation$180k
Member of Technical Staff - X Core Product About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization...Temporary work$180k
Member of Technical Staff - Multimodal Understanding About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This...Temporary work$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of 2 technical interviews and 1 project deep-dive interview: Practical coding...Work at officeLocal areaWork from home$180k - $250k
Member of Technical Staff -- TPU Systems (JAX / XLA / PALLAS) About the Role RadixArk is looking for a TPU Systems Engineer to build high-performance inference and training systems using JAX, XLA, and Pallas. You'll push large-model workloads to their limits on TPU hardware...Full timeFlexible hours$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of 2 technical interviews and 1 project deep-dive interview: Practical coding...Temporary workH1bWork at officeWork from homeWork visa- ...limits of AI4EDA and building the intelligence layer for the hardware revolution. What You'll Do As a Founding Member of the Technical Staff (ML infra) at Architect, you'll be responsible for the critical algorithms and infrastructure that our researchers depend...
$180k
...inference platform that serves Grok to millions of users every day with lightning speed and perfect reliability. As a Member of Technical Staff - Inference, you will design and optimize large-scale model serving systems end-to-end. You will own everything from distributed...Temporary work$180k
Member Of Technical Staff - Cloud Infrastructure ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization...Temporary work- A technology company specializing in AI is seeking a Member of Technical Staff to enhance reliability across a multi-data center environment. The role involves automating processes and implementing robust observability solutions to ensure operational excellence. Ideal candidates...
$180k
...invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the... ..., you will enter the main process, which consists of 2 technical interviews and 1 project deep‑dive interview: Practical coding...Temporary workWork at officeWork from home- ...minimize risk in the cloud. You will mentor junior engineers, new-grads, and interns to help them grow as engineers and become productive members of the team. You will primarily write code in Java (using spring boot framework) and work with data pipelines using Kafka/SQL or...Immediate start
$180k
Member of Technical Staff - Post-Training and RL ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization...Temporary work$230k
...10 times faster than GPU-based hyperscale cloud inference services. Cerebras Systems Inc. has multiple openings for Sr. Member of Technical Staff. Title: Sr. Member of Technical Staff Job Responsibilities Design and develop software features that support system resiliency...Remote work- ...Cognita’s models are trained and validated on one of the world’s largest real-world radiology datasets. About the Role As a Member of Technical Staff focused on ML Evaluation, you will be responsible for understanding how well Cognita’s radiology models perform in real-...
- Member of Technical Staff (Data Acquisition) About the Role Your mission is to build and operate the ingestion systems that turn the open web and large-scale audio sources into reliable, well-structured corpora for training Sanas's frontier speech models. You'll own the...
- ...Cognita’s models are trained and validated on one of the world’s largest real-world radiology datasets. About the Role As a Member of Technical Staff on the ML Infrastructure team, you will build and operate the platform that enables Cognita’s ML systems to scale reliably...
$180k
Member of Technical Staff - Web Engineering About xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization...Temporary workWorldwide- Member of Technical Staff — Kernel / Compiler / Communication About the Role RadixArk is seeking a Member of Technical Staff — Kernel / Compiler / Communication to push the limits of performance for frontier AI systems. You will work at the lowest layers of the stack —...Flexible hours
- Member of Technical Staff Physical AI (Robotics / World Models) Palo Alto, CA About Orbifold AI Orbifold AI advances the frontier of physical AI and world model companies through rigorous evaluation and curated, real-world data. We work directly with leading robotics and...Shift work
- ...Cognita’s models are trained and validated on one of the world’s largest real-world radiology datasets. About the Role As a Member of Technical Staff focused on model training, you will be responsible for building Cognita’s large language models (LLMs) and vision-language...
$90k - $130k
Member of Technical Staff - Program Analysis This role is based in Palo Alto, California, and follows a hybrid work model. If you ’re excited about helping build a large-scale SaaS platform at an early‑stage company and the qualifications below align with your background...
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