Software Engineer, Security PylonSoftware Engineer, SecuritySan Francisco, CaliforniaWork hands-on with engineers to ship fixes and help them build securely by default, telling the difference between theoretical risk and risk that actually matters so we spend effort where it counts. Unlike platforms built before the AI era, Pylon enriches every interaction with deep account-level context, automates the low impact customer work, and surfaces answers before your team even has to ask.
Senior Software Engineer - Fullstack Sigma ComputingSenior Software Engineer - FullstackSan Francisco, CA$150,000–$240,000 / yearThe round was led by Princeville Capital, with new strategic investors Databricks Ventures, ServiceNow Ventures, and Workday Ventures participating alongside returning investors Altimeter Capital, Avenir Growth Capital, D1 Capital Partners, K5 Global, NewView Capital, Spark Capital, Sutter Hill Ventures, and XN. This milestone follows Sigma reaching $200M in annual recurring revenue in April 2026, with more than 100% year-over-year growth and 1.1 million new active users added in the latest fiscal year.
Software Engineer, Infrastructure PylonSoftware Engineer, InfrastructureSan Francisco, California$180,000–$280,000 / yearUnlike platforms built before the AI era, Pylon enriches every interaction with deep account-level context, automates the low impact customer work, and surfaces answers before your team even has to ask. For leaders scaling AI-native support teams, Pylon lets humans and agents collaborate on customer work – investigating, resolving, and acting on every signal across every channel that matters.
Software Engineer - GPU Networking & Distributed Systems BaseTenSoftware Engineer - GPU Networking & Distributed SystemsSan Francisco, CADeep-Dive into Hardware: You will characterize and validate networking performance on bleeding-edge clusters (H100/H200, B200/B300, GB200/300 NVL72), writing the acceptance tests that ensure our hardware delivers peak achievable throughput and minimal latency. Optimize Distributed Inference: You will implement and tune the networking layers necessary for efficient Disaggregated KV Cache Offload and WideEP, ensuring seamless communication across NVLink and InfiniBand for our MoE models.
Software Engineer, Internal Tools MetriportSoftware Engineer, Internal ToolsSan Francisco, CaliforniaBuilding Automations End-to-End : Designing and shipping integrations between our internal and third-party systems — from scoping the requirement with a stakeholder, to deploying a working solution, to making sure it doesn't break quietly. Evaluating and Adopting New Tools : Researching integration platforms (Zapier, n8n, Make, etc.) and AI productivity tools, working with the Security team to assess their security posture, and rolling them out in a way that meets our compliance requirements.
Staff Software Engineer - Authentication & API OrumStaff Software Engineer - Authentication & APISan Francisco, CaliforniaYou’ll architect, build, and evolve systems spanning backend services, APIs and authentication systems that power Orum’s live calling platform at scale, while mentoring engineers and raising the bar for simplicity, performance, and reliability. Own complex product areas end-to-end—from discovery and design to implementation, rollout, and iteration—operating across Node/TypeScript backends, APIs and Auth systems, with React frontends.
Staff Software Engineer - Product Platform Team OrumStaff Software Engineer - Product Platform TeamSan Francisco, CaliforniaYou’ll architect, build, and evolve systems spanning backend services and modern web UIs that power live calling workflows (e.g., SIP/event-driven softswitch paths, WebSocket-driven experiences, and streaming audio processing), while mentoring engineers and raising the bar for simplicity, performance, and reliability. From intelligent dialing and real-time conversation insights to AI-driven coaching and virtual sales floors, Orum is powering thousands of sales teams to have more meaningful conversations and turn every call into measurable impact.
Software Engineer - Enterprise Platform BaseTenSoftware Engineer - Enterprise PlatformSan Francisco, CAEnterprise engineering authors the core building blocks, APIs, and user experiences powering the Baseten platform: identity and access management, billing, regional isolation, and self-hosted and single-tenant deployment options. Experience building enterprise software, including work on one or more of: identity and access management, billing systems, multi-tenant isolation controls, private connectivity, or compliance program initiatives.
Senior Software Engineer, Production Engineering Harvey, Inc.Senior Software Engineer, Production EngineeringSan Francisco, CA$161,300–$241,900 / yearOperate and continuously improve Harvey's Kubernetes platform, including cluster provisioning, upgrades, networking, monitoring, reliability, performance, and operational automation. Establish reusable patterns, tooling, and paved paths that help engineering teams ship and operate production services safely.
NewNetwork Engineer Samsung SDS AmericaNetwork EngineerSan Jose, CA$140,000–$160,000 / yearThe Network Engineer is responsible for designing, implementing, administering, optimizing, and troubleshooting enterprise network infrastructure supporting corporate campuses, branch offices, data centers, remote users, and wireless environments. Job Description Samsung SDS America is a global information technology services organization that delivers innovative technology solutions supporting enterprise clients across logistics, digital transformation, cloud, mobility, and business operations.
NewASKUSR0145348 Electrical Engineer Essnova Solutions, Inc.ASKUSR0145348 Electrical EngineerBerkeley, CAThe Electrical Engineer will collaborate with subsystem leads, engineers, designers, technicians, contractors, operations personnel, and other stakeholders to ensure electrical and cabling requirements are accurately developed, documented, integrated, and executed in accordance with the National Electrical Code (NEC) and applicable LBNL, ALS, and ALS-U requirements. Required Qualifications Bachelor’s degree in Electrical Engineering or a related engineering field and at least two years of related engineering experience; a master’s degree and at least one year of related experience; or an equivalent combination of education and experience.
Founding Software Engineer - Backend and Infrastructure unsiloed.aiFounding Software Engineer - Backend and InfrastructureSan Francisco, CaliforniaWhat you Will Do As a Founding Software Engineer, you will own the entire technical stack end-to-end, from core infrastructure and production systems to deployment, reliability, and developer experience. Architect, build, and scale core backend systems powering document intelligence and VLM-based workflows.
Staff Software Engineer, AI Developer Tooling SentryStaff Software Engineer, AI Developer ToolingSan Francisco, CaliforniaBuild the harness tooling, context systems, and feedback loops that help agents generate high-quality, repository-aware pull requests, including automated pre-review checks and PR quality measurement tailored to Sentry’s codebase. You will look from context engineering standpoint to see what to send to our model; you will look from harness engineering standpoint to see the tools it can use, the permissions it has, the state it carries forward, the tests it has to pass, the logs you capture, the retries, checkpoints, guardrails, and evals.
Software Engineer, Agent Harness LettaSoftware Engineer, Agent HarnessSan Francisco, CaliforniaWe’re assembling a world-class team of researchers and engineers to solve AI’s hardest problem: making machines that can reason, remember, and learn the way humans do. As a Software Engineer , you will bridge the gap bleeding-edge agent systems and production-grade software for running agents in real applications.
Senior Rust Software Engineer Vector Atomic Inc.Senior Rust Software EngineerPleasanton, CAIonQ's newest generation quantum computers, IonQ Tempo and IonQ Forte Enterprise, are the latest in cutting-edge systems that have been helping customers and partners such as Amazon Web Services, AstraZeneca, and NVIDIA achieve 20x performance results. You will collaborate deeply across disciplines with physicists, electronics engineers, and firmware engineers, taking ownership of system controllers, data acquisition pipelines, and critical control algorithms on ARM SoCs from concept to deployment.
Software Engineer, Backend Systems AIDA RecruitmentSoftware Engineer, Backend SystemsSan Francisco, California$185,000–$300,000 / yearStage 4: Technical Interviews (2 × 60 minutes) - Two hands-on technical interviews with a Senior Backend Engineer, focusing on Rust, asynchronous programming, and systems design. You'll solve challenging engineering problems involving live market data, high-throughput event streams, and complex trading infrastructure operating at scale.
Software Engineer Backend Systems AIDA RecruitmentSoftware Engineer Backend SystemsSan Francisco, California$185,000–$300,000 / yearStage 4: Technical Interviews (2 × 60 minutes) - Two hands-on technical interviews with a Senior Backend Engineer, focusing on Rust, asynchronous programming, and systems design. You'll solve challenging engineering problems involving live market data, high-throughput event streams, and complex trading infrastructure operating at scale.
NewSiemens Controls Engineer GABLETEKSiemens Controls EngineerFremont, CAIn this role, you will be responsible for owning and implementing the solution from project concept to installation; this includes machine concepting, proof-of-principle, electrical design/layout, software design/programming, debug of hardware/software, acceptance testing, and installation/integration at the factory. Building complex machine sequences for automation tasks like material handling, fastening, welding, testing, etc.
Software Engineer, Kernel Performance & AI Tooling OpenAISoftware Engineer, Kernel Performance & AI ToolingSan Francisco, CAFor 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 work at the intersection of kernel optimization, developer tooling, observability, and research infrastructure, helping us improve both how production kernels are built and optimized, and how future hardware-software systems are designed and evaluated.
Software Engineer, Governance RetoolSoftware Engineer, GovernanceSan Francisco, CaliforniaSurface under-authenticated resources, flag potentially dangerous access patterns, monitor usage analytics and spend, and integrate with compliance and DLP tools so security and admin teams get actionable insights instead of raw data, and Retool gets smarter about protecting customers the more they use it. Build with any AI tool you want, then deploy into one place that connects to your real business data, enforces enterprise policies automatically, and lets teams create once and reuse everywhere with shared, trusted components.