C Jobs

SpaceXSI is building the high-performance inference platform that serves Grok to millions of users daily with exceptional speed and reliability. As a Member of Technical Staff - Inference, you will be instrumental in designing and optimizing large-scale model serving systems from the ground up. This includes owning distributed infrastructure components like global KV cache, continuous batching, load balancing, and auto-scaling, as well as delving into deep low-level optimizations such as GPU kernels, quantization, and speculative decoding. This is a high-impact role where your contributions will directly influence the speed and reliability of user interactions with Grok at a massive scale.

$180k - $440k

Stripe is seeking a Backend Engineer for its Core Technology team. This role involves working on critical tier0 infrastructure systems, including compute, networking, document databases, distributed caching, and high-assurance engineering. The team builds the foundational platform that enables Stripe products and services to operate at scale, driving reliability, availability, efficiency, and scalability. You will design, build, test, and ship high-quality code daily, contributing to a great customer experience for both internal and external Stripe teams.

CoreWeave is seeking a Staff Software Engineer to join the Inference Platform Team. This team builds and operates CoreWeave’s Kubernetes-native inference platform, designed for low-latency, high-throughput AI workloads at massive scale. As a technical leader, you will drive architecture, performance, and reliability across multiple services and teams. Your responsibilities will include optimizing inference performance (latency, throughput, and GPU utilization), improving system reliability, and working deeply in distributed systems and Kubernetes-based infrastructure, focusing on areas like scheduling, batching, and memory optimization. This role requires hands-on technical leadership and the ability to influence engineering direction across the organization.

$188k - $275k

CoreWeave is seeking a Software Engineer to join the Inference team, focusing on shipping production features that enhance model serving on their GPU platform. This role involves improving latency, reliability, and cost-efficiency. As an IC1, you will implement well-scoped changes, learn operational practices, and grow with mentorship from experienced engineers. CoreWeave is the essential cloud for AI, providing a platform of technology, tools, and teams that enable innovators to build and scale AI with confidence.

$92k - $135k

CoreWeave is seeking a Senior Engineer for its Benchmarking & Performance team. This role will be instrumental in managing a planet-scale performance data warehouse, handling the ingestion, storage, transformation, and analysis of performance events across global data centers. The engineer will also contribute to industry-leading performance benchmarking publications like MLPerf. The position involves owning designs, elevating engineering standards, and driving measurable improvements in latency, throughput, and reliability across multiple services. Collaboration with product, orchestration, and hardware teams will be key to evolving the Kubernetes-native platform and meeting stringent P99 SLAs at scale.

$182k - $242k

CoreWeave is seeking a Senior Software Engineer focused on Inference to join their team. In this role, you will be an area owner, responsible for leading designs, elevating engineering standards, and delivering significant improvements in latency, throughput, and reliability across multiple services. You will collaborate with product, orchestration, and hardware teams to enhance our Kubernetes-native inference platform and meet stringent P99 SLAs at scale. This is an opportunity to work on a cutting-edge AI cloud platform during a period of hyper-growth, contributing to innovative solutions for complex problems.

$152k - $204k

CoreWeave is seeking a Senior Software Engineer I, Inference to join their AI Cloud team. This role involves owning specific areas of the inference platform, leading design efforts, and improving latency, throughput, and reliability. You will collaborate with product, orchestration, and hardware teams to enhance a Kubernetes-native inference platform and meet strict service level agreements at scale. The position requires a strong focus on engineering standards, incident management, and mentoring junior engineers.

$139k - $204k

CoreWeave is seeking a Senior Engineer to join its Benchmarking & Performance team. This role will focus on building performance insights and observability systems for AI infrastructure, covering everything from individual GPUs and interconnects to distributed training and inference workloads. You will be responsible for detecting, diagnosing, and surfacing performance signals across global data centers, transforming raw telemetry into actionable insights for engineers, product teams, and executives. This is a hands-on role focused on building observability tooling that provides near real-time answers about infrastructure performance, rather than a traditional data engineering or BI position.

$182k - $242k

CoreWeave is seeking a Senior Engineer for its Benchmarking & Performance team, focusing on GPU kernel authoring and optimization. In this role, you will be responsible for writing, profiling, and tuning GPU kernels that are critical for large-scale model serving, aiming to maximize throughput and minimize latency. You will also contribute to industry-leading performance benchmarking publications. This position requires an individual who can lead designs, improve engineering standards, and deliver significant enhancements to latency, throughput, and reliability across the inference stack. You will collaborate with product, orchestration, and hardware teams to translate kernel-level optimizations into system-wide improvements and meet stringent Service Level Agreements (SLAs) at scale.

$182k - $242k

SpaceXSI is building one of the world's largest AI supercomputers from the ground up. As part of the Compute Infrastructure team, you will own both the raw GPU supercomputer and the platform layer that runs on top of it. You will work across the full stack—from low-level GPU kernel optimizations and Linux kernel internals to massive-scale orchestration and virtualization—to make training and inference at SpaceXSI as fast, reliable, and scalable as possible. This is a broad, high-impact role that combines hardcore supercompute and compute infrastructure work. Your contributions will directly accelerate Grok's training speed and overall AI progress.

$180k - $440k

The AI revolution is driven by computation that is fast, efficient, and economical. At NVIDIA, performance is paramount, and the CUDA driver is a critical layer where architectural invention becomes useful computing. This team has a unique opportunity to impact numerous downstream systems and products by optimizing fundamental aspects of the CUDA driver and runtime. We are seeking systems software engineers to design and implement production C/C++ features and optimizations within the CUDA driver and runtime. You will trace workloads across various system boundaries, bring up new platforms, and translate evidence into future software and hardware direction, ultimately making AI tools more responsive and efficient.

$124k - $196k

Anduril Industries is a defense technology company focused on transforming military capabilities with advanced technology. We are seeking a Software Engineer to join our Battlespace Awareness team, specializing in complex real-world problems through cutting-edge algorithms and intelligent software integrations. This role involves providing software engineering and development support for core team tools and, for candidates with an ML background, helping to establish new ML infrastructure to optimize system parameters and detect performance regressions. Our work directly impacts mission-critical applications, and we measure success by the real-world impact of our deployed solutions.

$165k - $219k

Anduril Industries is a defense technology company focused on transforming U.S. and allied military capabilities with advanced technology. We are seeking a Software Engineer to join our Battlespace Awareness team, specializing in complex, real-world problems through cutting-edge algorithms and intelligent software integrations. This role involves providing software engineering and development support for core team tools and, for candidates with an ML background, helping to establish new ML infrastructure to optimize system parameters and detect performance regressions.

$191k - $254k

Anduril Industries is a defense technology company focused on transforming military capabilities with advanced technology. We bring the expertise and business model of innovative 21st-century companies to the defense industry, changing how military systems are designed, built, and sold. Our systems are powered by Lattice OS, an AI-powered operating system that provides real-time command and control. We are committed to delivering cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military rapidly. Our Battlespace Awareness Command and Control Software team solves complex, real-world problems using advanced algorithms and intelligent software integrations. We operate in small, innovative teams, pushing boundaries to deliver deployed solutions with measurable impact. Our work includes high-performance software for multi-target tracking, data fusion, battle management, autonomous robotic control, and mission planning. We are seeking talented technologists to redefine the future of defense technology.

$190k - $252k

Nebius is building a full-stack AI cloud platform to support developers and enterprises from data and model training through to production deployment. We are looking for a Lead Software Systems Engineer - GPU Performance to play a key role in building our hyperscaler platform. This role involves analyzing and optimizing the performance of large-scale GPU clusters at the intersection of hardware and software, operating across the full stack from hardware and system software to networking, virtualization, and distributed communication layers.

$170k - $300k

SambaNova is seeking a Principal Engineer to own kernel-level drivers and low-level software for high-speed IO, memory, and networking subsystems within the DataScale® platform and RDU architecture. This role is central to delivering reliable, high-performance AI systems at scale. This is a hands-on Linux kernel and device driver role; it is not an application or platform software role. You will lead software bring-up of new silicon, deliver production drivers across the IO, memory, and network data paths, and debug complex issues spanning kernel, firmware, and hardware. This role suits an engineer with deep kernel and driver expertise and strong hardware fluency, who can operate in ambiguity and execute with high ownership.

$180k - $255k

Join NVIDIA’s Hyperscale Engineering team to develop networking solutions for large-scale AI infrastructure. You will work with customers and engineering teams to build, integrate, and improve software for BlueField and ConnectX platforms. Your work will span software development, system integration, troubleshooting, and performance analysis, helping customers move from initial testing to production deployment.

$184k - $357k

Cloudflare's Emerging Technologies & Incubation team builds and launches bold new products on Cloudflare’s edge network. This role is on the Durable Objects team, which powers stateful serverless applications for Cloudflare customers. You’ll help evolve the runtime and the low-level routing and storage systems that support real-time chat, multiplayer games, AI agents, and other stateful workloads at scale. We are looking for builders who see the cracks in the Internet and have the curiosity to create solutions using the latest tools, leveraging AI to ship faster and make things better.

$194k - $266k

NVIDIA is seeking outstanding system architects to design the next generation GPU system interface. This position offers the opportunity to have a real impact in a dynamic, technology-focused company impacting the field of artificial intelligence and product lines ranging from consumer graphics to self-driving cars. We have crafted a team of extraordinary people stretching around the globe, whose mission is to push the frontiers of what is possible today and define the platform of tomorrow.

$152k - $288k

NVIDIA is seeking strategic, ambitious, hard-working, and creative individuals for its 2027 Deep Learning Computer Architecture internships. This 12-week full-time program offers an excellent opportunity to expand your career and gain hands-on experience with industry-leading Deep Learning Computer Architecture teams. Interns will work on projects with a measurable impact on NVIDIA's business, tackling complex challenges in AI and digital twins that are transforming major industries.

$0k - $0k