Senior Software Engineer - Security/Infrastructure AfterQuerySenior Software Engineer - Security/InfrastructureSan Francisco, CaliforniaWe're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI. When you’re not working on security problems, you’ll be building core systems—especially human-in-the-loop platforms and data infrastructure that power how frontier AI models are developed.
Software Engineer - Storage Infrastructure (Senior+) Cogent SecuritySoftware Engineer - Storage Infrastructure (Senior+)San Francisco, CaliforniaAlongside our core product work, Cogent Research serves as our applied AI lab, providing the research horsepower needed to make truly agentic security workflows a reality. You'll build the backup, observability, and operations layer across our relational, streaming, and analytical stores - and make it agent-forward.
Senior Software Engineer - Cloud Infrastructure Guangzhou WeRide Technologies Co LtdSenior Software Engineer - Cloud InfrastructureSan Jose, CA$143,000–$197,437.50 / yearWeRide.ai is looking for a Software Engineer to build powerful and efficient world-leading cloud infra platforms for autonomous driving, inlcuding PaaS platforms, such as Big Data, AI, Simulation, and IaaS platforms, such as K8s, storage services. Established in 2017, WeRide (NASDAQ: WRD) is a leading global commercial-stage company that develops autonomous driving technologies from Level 2 to Level 4 and is the world's first publicly listed autonomous vehicle (AV) company.
Senior Software Engineer, AI Data Systems & Database Infrastructure Ambient.aiSenior Software Engineer, AI Data Systems & Database InfrastructureRedwood City, CaliforniaYou will also work closely with AI teams to build the data infrastructure that supports modern AI applications, including vector search, retrieval-augmented generation, embedding stores, model evaluation datasets, analytical workloads, and low-latency data access for AI-powered product experiences. Powered by Ambient Pulsar, the first reasoning Vision-Language Model purpose-built for physical security, our platform seamlessly integrates with existing security cameras and physical access control systems to unify monitoring, access control, threat assessment, response, and investigations through an always-on reasoning layer that augments security operators with superhuman capabilities.
NewData Center Infrastructure Mechanical Engineer - Fremont, CA or Plano, TX Delta Electronics (Americas) Ltd.Data Center Infrastructure Mechanical Engineer - Fremont, CA or Plano, TXFremont, California$110,000–$150,000 / yearFull timeToday, we’re driving transformation across industries with smart, sustainable systems that enable everything from AI, industrial automation, and data centers to EV charging, renewable energy, and intelligent buildings. This role requires deep proficiency in CAD modeling , strong understanding of new data‑center construction , and hands‑on experience with skidded and containerized mechanical power products .
AI Inference Core - Infrastructure SW Engineer Cerebras SystemsAI Inference Core - Infrastructure SW EngineerSunnyvale, CaliforniaWe build orchestration frameworks, execution engines, scheduling systems, test infrastructure, developer tools, and reusable software platforms that allow engineers to build, test, qualify, and deliver software reliably at scale. Our frameworks act as the control plane for distributed workflows, managing resources, execution state, concurrency, failures, retries, dependencies, and observability across large and complex environments.
NewAI Infrastructure Engineer - Recommendation & LLM TikTok IncAI Infrastructure Engineer - Recommendation & LLMSan Jose, CAYou will collaborate closely with researchers, algorithm engineers, and infrastructure teams to turn state-of-the-art AI technologies into highly scalable, reliable, and efficient production systems. As a member of the team, you will take ownership of challenging infrastructure problems at massive scale, working across model, framework, runtime, GPU, distributed systems, and production serving.
Infrastructure Software Developer YDTSInfrastructure Software DeveloperSunnyvale, CaliforniaRequired Skills: BuildingDigital TransformationClientsEnvironmentOperationsDefenseServicesOffersDataRoutingAutomotivePerlCommunicationsDevelopmentSupportEnergyJenkinsRConsultingElectronicsEngineersInfrastructureNetworkingSoftware DevelopmentJIRAProgrammingComputer ScienceC++GitLinuxPythonStrategySoftwareFinanceEngineeringDesignCommunicationMaintenanceScienceBusiness. Our client supports its clients, from concept through industrialization, to develop the products and services of tomorrow and has been working for more than 35 years with major players in many sectors: Automotive, Aeronautics, Space, Defense & Naval, Rail, Infrastructure & Transport, Energy, Industrial & Consumer, Life Sciences, Communications, Semiconductor & Electronics, Software & Internet, Finance & Public Sector.
Software Engineer - Backend / Infrastructure Guangzhou WeRide Technologies Co LtdSoftware Engineer - Backend / InfrastructureSan Jose, CA$130,000–$182,000 / yearEstablished in 2017, WeRide (NASDAQ: WRD) is a leading global commercial-stage company that develops autonomous driving technologies from Level 2 to Level 4 and is the world's first publicly listed autonomous vehicle (AV) company. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
ML Infra - Data Infrastructure The Bot CompanyML Infra - Data InfrastructureSan Francisco, CaliforniaStrong experience building and maintaining production systems that process PBs of data on thousands of machines. Throughout the process, we expect candidates to demonstrate: Exceptional mental acuity: you think quickly, learn instantly, and reason across unfamiliar domains.
Software Engineer, Infrastructure, Consumer Devices OpenAISoftware Engineer, Infrastructure, Consumer DevicesSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. This role is both deeply technical and highly strategic, requiring strong ownership, sound judgment, and the ability to partner effectively across engineering, product, and research organizations.
Senior Software Engineer - Maps Infrastructure Applied IntuitionSenior Software Engineer - Maps InfrastructureSunnyvale, CAApplied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C. San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Our product suite uses HD maps to solve our customers' needs in a multitude of applications: calculating localized information, querying data across global-sized maps, as well as visualizing and inspecting maps.
Research Scientist / Engineer – Training Infrastructure LumaResearch Scientist / Engineer – Training InfrastructureRedwood City, CaliforniaThe Training Infrastructure team at Luma is responsible for building and maintaining the distributed systems that enable training of our large-scale multimodal models across thousands of GPUs. Research and implement advanced parallelization techniques (FSDP, Tensor Parallel, Pipeline Parallel, Expert Parallel).
LLM Pre-training & Distributed Engineer (AI Infrastructure) Hyphen ConnectLLM Pre-training & Distributed Engineer (AI Infrastructure)San Francisco, CaliforniaThe ideal candidate will have a deep understanding of GPU clusters and extensive experience in system engineering to ensure efficient and reliable training processes. This role is essential for orchestrating large-scale machine learning training runs and optimizing distributed infrastructure.
Program Manager – Water Infrastructure (Wells) Innovation ConsultingProgram Manager – Water Infrastructure (Wells)San Jose, CaliforniaThe Program Manager will oversee planning, permitting, design, construction, equipping, and startup for the well portfolio, working closely with engineering consultants, drilling contractors, hydrogeologists, and internal stakeholders across water resources, asset management, and capital delivery. We're partnered with California's largest regulated water utility to recruit a Program Manager to lead a newly centralized, statewide program for the delivery of potable water wells — new construction and replacement.
Software Engineer – Infrastructure Tooling Applied IntuitionSoftware Engineer – Infrastructure ToolingSunnyvale, CaliforniaApplied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C. San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. The parties also agree that, as applicable, they will abide by the requirements of Executive Order 13496 (29 CFR Part 471, Appendix A to Subpart A), relating to the notice of employee rights under federal labor laws.
NewCloud Infrastructure Engineer Cerebras SystemsCloud Infrastructure EngineerSunnyvale, CaliforniaDesign and implement security controls for AI-powered systems, including controlled, audited, and governed agent workflows, while contributing to core security services such as service identity, secrets management, key management, authentication, and authorization. Write high-quality, reliable code, participate in architecture and code reviews, support critical production systems, and drive operational excellence through scalability, resiliency, and automation.
Infrastructure Architect Cloud Senior BluZincInfrastructure Architect Cloud SeniorSan Jose, CaliforniaNew versions of the application are being developed and these cloud versions would allow managed service providers to support multiple customers, allow enterprise customers to manage software through a single pane of glass across many locations, and support customers running in cloud environments like AWS and Azure. You will work with the Product Management organization to develop a cloud strategy and then work with the rest of the Engineering team to develop and implement an architecture and new management plane to fulfil that strategy.
Tech Lead, Deployment & Operations — Custom Infrastructure OpenAITech Lead, Deployment & Operations — Custom InfrastructureSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. This person will become the Directly-Responsible Individual responsible for bringing OpenAI’s custom silicon and associated systems into data center environments, ensuring successful deployment, bring-up, validation, operational readiness, and ongoing reliability at scale.
Software Engineer, GPT Infrastructure OpenAISoftware Engineer, GPT InfrastructureSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Collaborate with Research, Inference Engineering, Runtime and Compiler teams, Infrastructure, Security, Product, and Strategic Partnerships to onboard and optimize new compute platforms.