C Jobs

Relace is building a globally distributed inference cloud, competing on price, speed, and reliability. We process over 800 billion tokens daily and have experienced significant growth, backed by a $23 million Series A funding round. Our team is small, offering substantial responsibility and growth opportunities. We develop our own stack, running on Kubernetes across multiple clouds, where performance directly impacts business success. This role focuses on the lowest level of our stack, optimizing code that runs directly on GPUs to maximize work per second and dollar, shrink models for cost-efficiency without sacrificing quality, and eliminate GPU idle time.

NVIDIA is seeking a system software engineer to develop low-level diagnostic software for next-generation data center GPUs and rack-scale AI systems. The team builds software that exercises and validates complex hardware, including compute engines, memory and cache subsystems, NICs, PCIe and NVLink interfaces, power delivery, and thermal behavior. This role is ideal for an embedded, firmware, device-driver, hardware-validation, or systems software engineer who enjoys working close to hardware. You will own well-scoped components of the diagnostic software from design through implementation, validation, productization, and field support, collaborating with various engineering teams to bring up new hardware and diagnose system failures.

$124k - $196k

NVIDIA is seeking a Security Research Engineer to join its AI Safety & Security Engineering team. This role focuses on advancing AI-powered tooling to find, validate, and patch software vulnerabilities. You will apply rigorous security judgment to confirm vulnerabilities and define correct, safe fixes, ensuring they repair flaws, protect existing behavior, and withstand revalidation. The work involves developing repeatable methods, establishing high engineering standards, and documenting reasoning for security reviews. While AI-assisted workflows are integral, a disciplined skepticism towards their outputs is also crucial. Your contributions will shape the program's understanding of trustworthy patching and help decide future vulnerability class targets.

$224k - $431k

Anthropic

Our Sandboxing team builds the isolation layer that enables Claude to run code, use computers, or act as an agent. These systems are critical for executing code written by Claude for users, training and evaluating models, and supporting customer-deployed agents. The sandboxes must start rapidly, withstand adversarial code, and scale to handle numerous concurrent sessions. This role involves working at the intersection of the Linux kernel, virtualization, and container technologies, collaborating with research, product, and security teams to ensure both safety and performance.

$320k - $485k

d-Matrix is seeking a Senior Staff Inference Performance Engineer to join their Inference Cloud Engineering team. This role is responsible for the end-to-end performance of workloads deployed on d-Matrix's inference services, ensuring they perform at least as well as on bare metal. The engineer will diagnose and isolate performance issues across the full serving path, from orchestration to inference internals, and will be responsible for either fixing problems directly or handing them off to the appropriate owning team with clear evidence. The role involves assessing scalability, defining node requirements for optimal deployment, and building telemetry and benchmarks to support these efforts. The ideal candidate will mentor other engineers in a profiling-first methodology.

$175k - $265k

Parloa is shaping the foundation of a new era in customer experience where customer support is no longer transactions, but meaningful exchanges. As Principal Software Engineer for Voice/VoIP, you will own the technical direction of our real-time voice infrastructure. This is a hands-on technical leadership role where you will set architectural direction, solve complex problems, and elevate the engineering organization's approach to voice systems. You will collaborate with infrastructure, AI/ML, and product teams to ensure our voice stack is fast, reliable, and globally scalable.

We are hiring senior engineers to work on the CUDA driver, a core component of our platform for accelerating general purpose computation on the GPU. Our team delivers features and improvements to better realize the potential of NVIDIA hardware for a growing range of computational workloads, ranging from deep learning, scientific computation, and self-driving cars to video games and virtual reality! CUDA defines a unified programming model across a range of system configurations and hardware capabilities. To accomplish this, the CUDA driver interacts with GPU hardware, kernel mode drivers, switches and the operating system. As a member of our team, you will use your design abilities, coding expertise, and creativity to deliver the best Compute platform in the world. You will craft elegant solutions to exciting problems and craft the future direction of CUDA as you collaborate with your peers across NVIDIA.

$272k - $431k

NVIDIA is seeking Architects, Functional Modeling Engineers, and Simulation experts to join its Architecture Modeling group. In this role, you will collaborate with world-class architects to enable functional simulation platforms across GPU generations. You will be instrumental in modeling GPU architecture, baseboard components, and other features, working within a matrixed environment to document, design, develop tools for analysis and simulation, and validate models. The position involves familiarizing yourself with various functional and performance simulation models across NVIDIA, developing tests and testing infrastructure for new architectures, and guiding the improvement of the simulation platform to support future GPU architectures. You will also have the opportunity to develop or use AI to assist with daily tasks.

$152k - $288k

NVIDIA is seeking strategic, ambitious, hard-working, collaborative, and creative Ph.D. Engineering interns to join their Computer Architecture and Systems teams for Summer 2027. This internship offers an excellent opportunity to expand your career and gain hands-on experience with industry-leading technologies. Interns will design and implement novel ideas in GPU and CPU architectures, systems architectures, operating systems, AI systems, and distributed systems, with the potential to transfer their research to product groups, resulting in prototypes, patents, products, or published research.

$0k - $0k

NVIDIA is seeking a world-class computer architect to contribute to the development of future high-performance computing systems, with a focus on enhancing the power-constrained performance of hardware. The ideal candidate will have a strong track record of understanding and analyzing memory systems architecture to improve performance per watt and performance per millimeter. A broad perspective across computer architecture and depth in power, performance, and area (PPA) analysis is highly desirable. This position offers the opportunity to have a real impact in a fast-moving, technology-focused company.

$272k - $431k

Crusoe is seeking a Staff Software Engineer specializing in Linux Kernel Security to strengthen the security of their AI cloud infrastructure. This role involves implementing kernel security enhancements, triaging CVEs, securing the boot path, and establishing CI guardrails. You will research vulnerabilities, advocate for secure coding practices, and conduct security-focused code reviews. The position also includes utilizing and developing security auditing tools, supporting incident response, and balancing security with system performance. A key aspect is contributing to the security of Cloud Hypervisor and advancing confidential computing primitives. This role requires close collaboration with other engineering teams and providing technical leadership and mentorship.

$215k - $260k

Runpod is seeking a systems-focused Cloud Infrastructure Security Engineer to safeguard its bare-metal and virtualized GPU cloud infrastructure. This role is crucial for ensuring the security, multi-tenant isolation, and integrity of the underlying GPU cloud infrastructure. The ideal candidate will have deep knowledge of Linux systems, kernel internals, hypervisors, and containerization, focusing on preventing tenant breakouts, securing GPU hardware, and building resilient infrastructure for AI and machine learning workloads. You will operate with an attacker's mindset, identifying and patching vulnerabilities at the lowest levels of the stack.

$152k - $175k

ClickHouse Labs is an applied research group focused on identifying and solving challenging problems in database systems, with a goal of advancing the state of the art and translating research into real-world system improvements. As a Research Scientist, you will tackle high-impact problems at the intersection of database systems, distributed systems, AI, and systems software engineering. You will collaborate with experienced researchers and engineers on a broad range of topics, including query optimization, execution engines, distributed systems, and emerging agentic workloads, working with leading open-source systems like ClickHouse and PostgreSQL. Your work will involve investigating performance bottlenecks, developing new algorithms and system designs, and evaluating them under realistic conditions, with opportunities to publish your work and contribute to open-source projects.

$175k - $235k

Tenstorrent is seeking a Workload Performance Analysis Engineer to optimize the performance of next-generation RISC-V CPUs for modern datacenter and agentic AI workloads. This role bridges hardware and software, focusing on bringing real-world applications to RISC-V platforms, analyzing their behavior, and identifying opportunities for improved CPU performance, efficiency, and scalability. You will collaborate with CPU architects, designers, and software engineers to understand how demanding workloads interact with the CPU and translate these insights into architectural enhancements. Your work will directly impact CPU architecture and performance across cloud, enterprise, and emerging AI workloads.

$100k - $500k

NVIDIA is seeking a dedicated and creative Security Engineer to join our GPU System Software team. In this role, you will be instrumental in developing mitigations, conducting security research, and building advanced security platforms and frameworks to identify vulnerabilities in complex systems software. This is an exceptional opportunity to contribute to the security of foundational technologies in gaming, professional graphics, and cloud computing, as well as AI, data centers, and healthcare. You will be part of an inclusive team focused on maintaining an industry-leading security posture for groundbreaking products.

$152k - $288k

NVIDIA is seeking a motivated security engineer to join the GPU Software team. This role will focus on automating the enforcement of security standards across all software releases, leveraging both traditional tools and AI agents, and promoting their adoption throughout the organization. The ideal candidate will be instrumental in integrating AI agents into security workflows, identifying manual processes for reinvention, and guiding proven agentic workflows from development to production. This position offers the opportunity to translate security requirements into automated checks for a wide range of software, from firmware to user-mode applications, and to own and maintain the release security scanning pipeline.

$152k - $242k

Tenstorrent is seeking a RISC-V AI / HPC & Agentic Software Engineering Lead to work at the hardware-software boundary, enabling AI, HPC, and agentic AI software stacks on Tenstorrent’s RISC-V processors. This role involves integrating and optimizing Tenstorrent’s LLK (Low-Level Kernel) infrastructure for CPU execution and leading the bring-up of a RISC-V-native agentic AI software stack. You will collaborate closely with CPU architects, microarchitecture teams, compiler engineers, and AI kernel developers to ensure tight alignment between software capabilities and RISC-V architectural features. This is a remote position based out of North America.

$100k - $500k

We help the world's biggest brands move from brief to fully personalized campaigns in days, not months. Founded by Abhay Parasnis and backed by Microsoft, GV, Salesforce, Lightspeed, Madrona and Menlo, we’re building category-defining technology at the intersection of creativity and AI with real impact. Join us to help shape the future of enterprise marketing.

$188k - $200k

As a new-grad Forward Deployed Engineer at Domino, you will work directly with customers to identify significant challenges in AI adoption within highly regulated industries. You will learn to utilize the Domino platform to develop solutions for mission-critical business operations. This role combines applied AI engineering and software engineering skills with customer empathy and domain knowledge. You will collaborate with experienced engineers to rapidly transform ambiguous customer problems into tangible solutions, which may include RAG pipelines, agentic workflows with automated evaluation, or software solutions for process automation. You will be responsible for writing code, designing end-to-end systems, and delivering impact in high-stakes environments across healthcare, life sciences, finance, and government sectors. Domino trusts new-grad engineers to contribute to critical, high-visibility projects from the outset, offering the chance to make a meaningful impact from day one.

$150k - $165k

NVIDIA is seeking a world-class computer architect to contribute to the development of future high-performance computing systems, with a focus on enhancing the power-constrained performance of the hardware. Ideal candidates will have a strong track record of understanding and analyzing memory systems architecture to improve performance per watt (perf/W) and performance per millimeter (perf/mm). A broad perspective across the field of computer architecture and depth in the area of power, performance, and area (PPA) analysis is highly desirable. NVIDIA has pioneered programmable GPUs and the CUDA language and is a world leader in high-performance computing technology, with aggressive plans for future processors. This position offers the opportunity to have a real impact in a fast-moving, technology-focused company.

$184k - $357k