Network Development Engineer

About VoltaiAt Voltai, we are at the forefront of innovation, creating advanced world models and agents designed to learn, assess, strategize, experiment, and engage with the physical world. Our initial focus lies in developing cutting-edge hardware, electronic systems, and semiconductors, leveraging AI to design and generate solutions that exceed human cognitive capabilities.About the TeamOur team is backed by some of Silicon Valley's most distinguished investors, Stanford University, and leaders from industry giants like Google, AMD, Broadcom, and Marvell. We comprise former Stanford professors, SAIL researchers, Olympiad medalists (IPhO, IOI, etc.), CTOs from Synopsys & GlobalFoundries, and high-ranking officials including a former US Secretary of Defense and National Security Advisor.About this RoleIn this role, you will be responsible for designing and deploying high-performance network architectures that connect Voltai's computing infrastructure with distributed simulation environments. You will focus on optimizing latency, throughput, and fault tolerance to build intelligent network systems that can scale across global data centers and AI workloads.

About xAIAt xAI, we are on a mission to develop advanced AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is compact yet highly driven, emphasizing engineering excellence and innovation. We seek individuals who relish challenges and thrive on curiosity, contributing directly to our mission in a collaborative, flat organizational structure. Initiative and a commitment to delivering outstanding results are paramount. Strong communication skills are essential, enabling team members to convey knowledge effectively and precisely. About the RolexAI has pioneered the creation of a 100k GPU cluster on an Ethernet network, achieving this remarkable feat twice in just 92 days. We are currently seeking an experienced engineer proficient in RoCEv2 to scale our operations while enhancing performance and reliability.Our rapid development pace with cutting-edge hardware is crucial in deepening our understanding of the universe. To achieve our next major breakthrough, we must take charge of our network performance and availability, optimizing them for our training models and customer inference queries. Your role will predominantly involve diving deep into NCCL, creating metric dashboards, and fine-tuning configurations to maximize performance. You will play a pivotal role in designing the next generation of our backend and front-end networks, enabling seamless expansion of our GPU infrastructure with minimal engineering intervention.Expect considerable travel to Memphis for capacity expansion, participation in team on-call rotations, and assistance with scaling and maintenance initiatives. This position promises to be both dynamic and rewarding.

About xAIAt xAI, our mission is to develop advanced AI systems that deepen our understanding of the universe and empower humanity's quest for knowledge. Our team is compact yet highly driven, dedicated to engineering excellence. We welcome individuals who thrive on challenges and possess a curious mindset. Operating with a flat organizational structure, we empower all employees to take initiative and directly contribute to our mission. Strong work ethic and prioritization are crucial, along with excellent communication skills to effectively share insights with teammates. About the RoleOur innovative platforms, Grok and X, rely on our robust on-premise infrastructure, enabling rapid deployment of extensive capacities. The seamless experience enjoyed by users during townhalls on X and while utilizing Grok for universal comprehension is made possible through our cutting-edge Edge networking infrastructure.We are looking for two seasoned Network Engineers to architect, develop, and enhance our peering and transit infrastructure, including routing policies, eDNS, cloud connectivity, CGNAT, and load balancer fleets. Ideal candidates will possess strong Python skills to automate processes and minimize customer impact.

Join xAI, a pioneering company dedicated to building AI systems that enhance humanity's understanding of the universe. We are seeking a talented ML Infrastructure Network Development Engineer with a specialization in high-speed interconnect technologies. In this pivotal role, you will design, construct, and optimize the network architecture that underpins large-scale AI training and inference clusters. Your expertise will drive innovations in high-bandwidth, low-latency, and energy-efficient interconnects essential for our cutting-edge AI/ML infrastructures. You will engage with various interconnect modalities, ensuring seamless connectivity between GPUs and switches in data centers, and contribute to the overall success of our AI initiatives.

Whop builds tools for individuals and businesses to create, connect, and transact within a single online marketplace. The platform supports payment acceptance, business launches, and network engagement for users worldwide. Each year, Whop manages payouts exceeding $3 billion across 144 countries. The company is growing rapidly, with monthly growth rates near 25%. Whop is supported by major investors such as Insight, Bain Capital Ventures, Peter Thiel, and most recently Tether. The team includes over 75% former founders, many of whom have scaled their own businesses beyond $1 million in revenue. Leaders at Whop bring experience from companies like Meta and Robinhood. More information about Whop is available at whop.com.

Join xAI’s innovative security team as a Senior Network Security Engineer, where you will leverage your extensive knowledge in network security technologies, particularly in firewalls, VPNs, and routing protocols. Engage in a fast-paced environment that values adaptability and problem-solving skills, while ensuring the security of our cutting-edge AI infrastructure. Your role will involve implementing robust security measures, managing firewall configurations, and developing forward-thinking network security solutions that address our evolving challenges.

Join Teleo, an innovative robotics startup that is revolutionizing the construction industry. We specialize in transforming heavy construction equipment, such as loaders, dozers, excavators, and trucks, into autonomous robots. Our cutting-edge technology enables a single operator to effectively control multiple machines at once, enhancing operational efficiency, improving safety, and providing unparalleled comfort.Founded by Vinay Shet and Rom Clément, who previously spearheaded initiatives at Lyft’s Self Driving Car and Google Street View, Teleo is backed by prominent investors including YCombinator, Up Partners, and F-Prime Capital. Our solutions are already deployed across various continents and generating significant revenue.As we embark on a phase of rapid growth, this is an exceptional opportunity to join a team dedicated to creating impactful products in the realm of heavy machinery. You will be working on sophisticated 100,000-pound autonomous robots and engineering complex systems that integrate hardware, software, and artificial intelligence.About the Role In your role as a Wireless Networking Robotics Engineer at Teleo, you will spearhead the evolution and implementation of advanced wireless communication technologies, ensuring our fleet of heavy machinery operates seamlessly across a variety of environments and conditions. Your contributions will be pivotal in the success of Teleo’s Supervised Autonomy product, from quick assessments to thorough production deployments in the field. You will collaborate closely with both hardware and software teams at Teleo, integrating robust communication solutions to elevate reliability and uptime. Your involvement with domestic and international deployment teams will be key as we expand our market presence and introduce our groundbreaking solutions to new regions. We seek a passionate, multidisciplinary professional who excels at building reliable and reusable solutions. If you are excited to make a meaningful impact and be part of a team pioneering the future of heavy machinery, we want to hear from you! This position requires a willingness to travel at least 25% to construction sites at customer locations.

Harmony is an innovative open blockchain platform that utilizes data sharding and ensures rapid finality. Our on-chain tokens are designed for micro-payments in social games and community AI, leveraging smart contracts for market pricing and zero-knowledge proofs to maintain data privacy.Our mission at Harmony is to foster trust and establish a radically equitable economy. Our ecosystem is decentralized, scalable, and secure, enabling transactions without reliance on trusted intermediaries. Join Us in Building a Revolutionary PlatformAs a Day-1 startup, we recognize that while blockchain technology is set to become the backbone of the global economy, its current adoption stands at only 1%. This presents a unique opportunity for pioneers and developers to make a substantial impact—10X to be precise. Harmony is a collaborative project, featuring a network of hundreds of applications, and a team driven by ambitious goals. The unstoppable summer of innovation is upon us!For engineers, your profound understanding of data at the byte level is key. You are a tool creator, a systems innovator, and a mathematics enthusiast all rolled into one. A typical day may involve prototyping cutting-edge research, debugging intricate systems, or coordinating updates with a diverse team of engineers in an open setting. Building blockchain technology is akin to assembling an aircraft mid-flight—if you thrive in chaos, this is your arena!For creatives, your passion for user experience is essential. You embody the roles of product designer, brand strategist, and market analyst simultaneously. Your daily tasks could include analyzing user satisfaction through data analytics, crafting compelling narratives on product development, or orchestrating tasks for product launches to engage millions of users. Cultivating a community is like nurturing a culture over decades—if this aligns with your long-term vision, start your journey with us today! Explore our vision for the future at Social A(G)I and Shard 1.

At PsiQuantum, we are dedicated to realizing the potential of quantum computing by developing the first practical quantum computers that can achieve the breakthroughs anticipated in this exciting field. Since our inception in 2016, we have been singularly focused on building and deploying million-qubit, fault-tolerant quantum systems.Our cutting-edge quantum computers leverage the principles of quantum mechanics to tackle problems that are beyond the reach of even the most sophisticated supercomputers and AI systems. The transformative power of quantum technology is expected to revolutionize industries such as energy, pharmaceuticals, finance, agriculture, transportation, and materials science.Our innovative architecture is grounded in silicon photonics, allowing us to utilize advanced semiconductor manufacturing processes in collaboration with leading partners like GlobalFoundries. This enables us to produce our systems at scale while benefiting from the inherent advantages of photonics, such as immunity to heat and electromagnetic interference, as well as seamless integration with existing cooling and fiber-optic technologies.In 2024, PsiQuantum announced government-supported initiatives to establish our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois, marking a significant step towards scaling quantum computing in a way that is both economically and strategically viable.Additionally, we are committed to developing the algorithms and software essential for unlocking the commercial value of quantum systems. Our teams collaborate with Fortune 500 leaders like Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical to create quantum solutions that will have a real-world impact.Quantum computing is not merely an extension of classical computing; it represents a paradigm shift that opens pathways to address challenges that are insurmountable through conventional means. The potential is immense, and we have a clear roadmap to transform this potential into reality.Join us on this revolutionary journey.

Rivian and Volkswagen Group Technologies brings together two major automotive companies to advance electric vehicle software. The partnership focuses on operating systems, zonal controllers, cloud platforms, and seamless connectivity, aiming to raise the bar for software-defined vehicles. The team draws on combined strengths in connectivity, artificial intelligence, and security to create smarter, more sustainable mobility solutions. Role overview The Senior Fullstack Software Engineer for Developer Productivity joins a team dedicated to building tools and features that streamline the developer experience. The group’s mission centers on enabling engineers to work efficiently and focus on high-impact tasks, using AI-powered solutions to remove friction from daily workflows. This role involves designing and implementing improvements across the entire software development lifecycle. The position supports both Vehicle Software (from code to car) and Cloud teams, ensuring that development processes are smooth and reliable. Regular collaboration with DevOps and Infrastructure teams is key, helping high-velocity teams deliver quality software quickly. Location Palo Alto, California

At 1X, we are pioneering the creation of the world's most advanced humanoid hands, all developed in-house. Our team is dedicated to prototyping every day, pushing boundaries, and achieving tangible progress continuously.The Role: As an integral member of the Hands team, you will transform mechanical designs into functional hardware swiftly. You will be the go-to expert for rapid prototyping, whether it involves a new finger, joint, or testing rig.Your Responsibilities:- Produce prototypes in a matter of hours: milling, turning, printing, cutting, assembling, and soldering.- Create quick-turn CAD models using Onshape or SolidWorks for parts that are immediately integrated into robotics.- Assemble functional components: tendons, sensors, skins, gears, and more as needed.- Conduct various tests, including endurance, cycling, and drop tests.- Collaborate with the design team to iterate mechanical designs for real-world performance.- Modify testing rigs to efficiently measure force, speed, and precision.- Maintain your workspace, ensuring tools and materials are readily available.- Document processes adequately to enhance future iterations.

Join SubPac, a leading innovator in audio technology, as we seek a dynamic Hardware Development Engineer with at least 3 years of experience in consumer hardware development. In this pivotal role, you will oversee our sustaining engineering efforts to ensure seamless product manufacturing while also contributing to the development of groundbreaking products in collaboration with our R&D team. Your responsibilities will include serving as the primary point of contact with our QA engineers in Asia and communicating with our overseas contract manufacturers and external partners. You will thrive in a state-of-the-art facility alongside top-tier talent in the consumer product sector.As a self-motivated generalist with a robust background in electrical or mechanical engineering, you ideally have experience in a startup environment where multitasking is key. Your passion for bringing revolutionary products to market and your enthusiasm for audio technology will drive your success in this role.

About Glean:Founded in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to swiftly locate, organize, and disseminate information across their teams. By seamlessly integrating with tools such as Google Drive, Slack, and Microsoft Teams, Glean ensures that employees can access the right knowledge at the right moment, thereby enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, making it quicker and more efficient for teams to utilize their collective intelligence.Glean was conceived from Founder & CEO Arvind Jain’s profound insight into the challenges employees encounter in sourcing and comprehending information at work. Witnessing firsthand how fragmented knowledge and an overwhelming array of SaaS tools hindered productivity, he aimed to create a superior solution - an AI-powered enterprise search platform that allows individuals to rapidly and intuitively access the information they require. Since then, Glean has evolved into the leading Work AI platform, amalgamating enterprise-grade search, an AI assistant, and robust application and agent-building capabilities to fundamentally transform how employees operate.About the Role:We are on the lookout for a Software Engineer specializing in Developer Productivity to redefine the manner in which our engineers construct, test, and deploy software. Our codebase is extensive and encompasses multiple languages, powered by Bazel, with pipelines executing on GitHub Actions and cloud remote execution.In this position, you will design and refine build systems, CI/CD pipelines, and developer tools, while also enabling engineers to effectively utilize AI-powered coding and productivity tools. Your contributions will alleviate friction in daily workflows, scale our infrastructure, and empower the entire engineering team to operate more efficiently and confidently.

Ahrefs is seeking a talented backend developer who possesses a profound understanding of networks, distributed systems, and operating system fundamentals, along with a passion for creating simple yet efficient architectural designs. Our backend infrastructure is predominantly built using OCaml, complemented by some C++ code.In this challenging role, you will work daily with 25 petabytes of live data, utilizing OCaml and Linux.Explore more about Ahrefs OCaml

About UsAt Newcode.ai, we are dedicated to revolutionizing the integration of AI into everyday business operations. In just a few months, we have transformed our vision into reality, crafting products that our clients genuinely appreciate. By joining our dynamic and ambitious team, you will not only influence the future of AI but also play a pivotal role in shaping it.Your RoleAs a Senior Backend Engineer at Newcode.ai, you will be responsible for designing and developing the essential systems that underpin our AI solutions. You will engage with cutting-edge technologies, influence our architectural decisions, and make an immediate impact from day one.We are seeking a seasoned backend engineer with significant experience in creating and maintaining robust API solutions using FastAPI. In this critical role, you will work collaboratively with frontend developers to build a stellar Python backend, allowing you to design, assess, and launch innovative products that empower professionals globally in their daily tasks. You will take ownership of the entire technology stack, enjoying the freedom to make a meaningful difference.

Join our dynamic team at Sonsoft Inc. as a Hadoop Developer! In this role, you will be responsible for designing and implementing scalable data processing systems using Hadoop technologies. You will collaborate with data scientists and analysts to optimize data workflows and ensure the integrity and availability of large datasets.

xAI Inc. develops AI systems aimed at deepening understanding of the universe and supporting learning. The team operates with a focus on engineering quality, open knowledge sharing, and direct contributions. Initiative is encouraged, and leadership grows from consistent, high-quality work. Clear communication, a strong work ethic, and effective task prioritization are core values. Role overview The Backend Engineer - API will build and maintain scalable, reliable production infrastructure for xAI’s backend systems. The primary backend stack uses Rust, and experience with compiled languages such as Rust, C++, or Go is especially valued. What you will do Design and operate production infrastructure that supports xAI’s backend systems at scale Work with Rust (preferred), C++, Go, or similar compiled languages Share technical insights and collaborate closely with teammates Tackle engineering challenges proactively and take ownership of solutions Prioritize tasks and deliver results independently Requirements Experience designing and operating scalable production infrastructure Hands-on knowledge of Rust, C++, Go, or similar compiled languages Strong communication skills Proactive problem-solving and ownership mindset Ability to prioritize and work independently Location This position is based in Palo Alto, CA.

About 1XAt 1X, we are pioneering the development of humanoid robots designed to collaborate with humans, effectively addressing labor shortages and fostering innovation.As a Mechanical Engineer, you will play a crucial role in the design, development, and scaling of the head subsystem for our humanoid robot, NEO. This position encompasses the development and integration of structural, mechanical, and electromechanical elements that empower the robot with expressive, perceptive, and functional capabilities.Your responsibilities will include hands-on design, prototyping, and system integration while collaborating closely with electrical, software, manufacturing, and industrial design teams. You will oversee mechanical components and assemblies throughout their lifecycle, from initial concept and prototyping to validation and mass production. Your contributions will significantly impact the reliability, safety, aesthetics, and scalability of humanoid robots deployed globally.The right candidate will be an innovative problem-solver with robust mechanical design skills who excels in a dynamic product development environment.

Join our dynamic team at Artech Information Systems LLC as a Senior C++/Embedded Developer. In this pivotal role, you will leverage your expertise in C++ programming and embedded systems to develop innovative solutions that drive our projects forward. You will collaborate with a talented group of engineers, contributing to cutting-edge technology that makes a significant impact.

About xAIAt xAI, we are driven by our mission to develop AI systems that can profoundly comprehend the universe and support humanity in its quest for knowledge. Our team is composed of passionate and highly-driven individuals committed to engineering excellence. We value those who challenge themselves and thrive in a culture of curiosity. Operating with a flat organizational structure, we empower our employees to be proactive contributors to our mission. Initiative and a track record of delivering exceptional results are highly regarded. Strong work ethic and effective prioritization skills are essential, as well as excellent communication abilities to share insights succinctly with teammates.About the RoleWe are on the lookout for outstanding media engineers who are eager to embark on an innovative project that integrates xAI’s cutting-edge AI infrastructure into a platform that engages approximately 600 million users every month. This role presents a unique opportunity to leverage xAI’s technology stack to revolutionize the video product experience, encompassing aspects like video playback, live streaming, Spaces, and audio/video calls. Join us to make a significant impact while utilizing powerful AI tools and collaborating with talented colleagues at xAI.