Security Engineer, Corporate Security NotionSecurity Engineer, Corporate SecuritySan Francisco, California$200,000–$220,000 / yearSecure AI tool usage at the endpoint, including governance of large language models, AI agents, and model context protocol (MCP) integrations; detect and prevent unauthorized or risky AI service access and data exfiltration through AI-enabled tools. This is a security engineering role focused on building scalable controls and automation across identity, endpoints, SaaS, and workforce infrastructure, not a traditional IT support or corporate engineering role.
Research Engineer, Frontier Evals & Environments OpenAIResearch Engineer, Frontier Evals & EnvironmentsSan 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. You will work with researchers, engineers, product teams, infrastructure teams, and safety/alignment partners to decide what should go into major model runs, measure whether it worked, and ship improvements into products used by real people.
FullStack Engineer, AI Observability & Evals Platform (LangSmith) LangChainFullStack Engineer, AI Observability & Evals Platform (LangSmith)San Francisco, California$145,000–$180,000 / yearToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Electrical Engineer II - III Syska Hennessy GroupElectrical Engineer II - IIISan Francisco, CA$71,684–$132,992 / yearAs an Electrical Engineer II- III you will be responsible for creating basic designs under the direction of senior engineers and/or senior designers, performing equipment selections, and load/energy and pressure drop calculations for a variety of projects and project sizes. Represents Syska Hennessy Group and works in close contact with and effectively interact with the internal design team as well as external clients and consultants (including owners, builders, developers, program managers, architects, vendors, etc.
Staff Software Engineer, Backend & Apis WEX Inc.Staff Software Engineer, Backend & ApisSan Francisco, CA$140,600–$173,100 / yearAs a Staff Software Engineer, you'll build the backend services and APIs that power these experiences, ensuring they are secure, scalable, highly available, and capable of supporting a growing user base while delivering a reliable and seamless experience for drivers on the road. The mobile application enables truck drivers to discover participating fuel locations, activate discounts, manage payment methods, view transaction history, and access real-time fuel pricing and savings.
Staff Network Backend Engineer Point One NavigationStaff Network Backend EngineerSan Francisco, CaliforniaStaff Network Backend Engineers own the design, implementation, and reliability of the backend services and APIs that power Point One's RTK Correction Network - from correction-data ingestion and distribution to the customer-facing APIs that deliver positioning at scale. This team is responsible for keeping it fast, reliable, and scalable: designing services that handle growing traffic, responding to evolving customer needs, and ensuring the network stays observable, tested, and production-ready as it grows.
Simulation Infrastructure Engineer OpenAISimulation Infrastructure EngineerSan 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. Build scheduling, batching and orchestration for running very large numbers of concurrent rollouts (target tens of thousands of rollouts / large RL workloads), solve engine-level scaling (parallelization, batching multiple runs per engine), and optimize cloud/GPU runtime reliability.
Senior Software Engineer, Scientific System of Record Lila SciencesSenior Software Engineer, Scientific System of RecordSan Francisco, Massachusetts$144,000–$240,000 / yearWe are seeking Senior Software Engineers with full stack experience to join our Scientific System of Record Team (SSR), where you’ll collaborate with software engineers, lab scientists, and machine learning engineers to build cutting-edge tools for automated scientific analysis and more. Lab Execution and Scientific Workflows: Build systems that model scientific intent, experiment planning, protocol execution, sample and asset state, operational events, and results capture across complex lab workflows.
ChatGPT Performance Engineer OpenAIChatGPT Performance EngineerSan 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. You’ll work cross-functionally with teams building core services, training models, and developing real-time user experiences to push our latency, throughput, and cost-efficiency to the next level.
Pre-Sales Solutions Engineer (San Francisco, CA) DeepgramPre-Sales Solutions Engineer (San Francisco, CA)San Francisco, CaliforniaWe work closely with our Customer Success and Developer Experience (DX) teams to ensure a positive, growth-focused experience for our customers, as well as with Product and Engineering teams to deliver solutions that meet customer needs. Deepgram is the leading platform underpinning the emerging trillion-dollar Voice AI economy, providing real-time APIs for speech-to-text (STT), text-to-speech (TTS), and building production-grade voice agents at scale.
Software Engineer Neon HealthSoftware EngineerSan Francisco, CaliforniaYou’ll work across our AI agent platform — writing prompts, debugging runtime issues, building agent simulation tooling, creating evals, interfacing with client data, and helping us monitor system behavior at scale. You'll be hands-on in improving the real-world behavior of our AI systems — tracing and fixing runtime issues, building agent simulators, designing LLM evals and QA tools, and interfacing with client data.
GTM Operations Engineer falGTM Operations EngineerSan Francisco, CaliforniaFluent in how revenue teams actually run: the day-to-day of BDRs (lists, sequences, meeting handoffs), AEs (pipeline hygiene, deal cycles, forecasting), and AMs (renewals, expansion, account health), so everything you build and every fix you make fits how sellers really work. A systems-design mind with a service heart: empathetic and support-minded, you see the process behind the ticket, you still answer the ticket fast, and you will happily set aside deep work to unblock an AE or research a small technical issue through to resolution.
AI Engineer, Search & Knowledge Systems Pi SecurityAI Engineer, Search & Knowledge SystemsSan Francisco, CaliforniaPi turns that context into institutional security memory, helping teams triage faster, remediate in context, prevent repeat vulnerability classes, and embed security guardrails where engineering work already happens. You will design and build the systems that help Pi understand and connect security-relevant context across code, pull requests, tickets, documents, incidents, findings, cloud resources, and customer environments.
Test Engineer - Lead AmentumTest Engineer - LeadSan Francisco, VirginiaYou will actively perform and supervise all aspects of Test Concept Development, including understanding the system, understanding the environment, scenario development, measures development, human factors, parallel activities, technical reviews, and post-approval activities. In this role, you will develop, administer, and supervise a comprehensive test and evaluation (T&E) program, leading a small team that is responsible for testing and evaluating various technical and non-technical capabilities in support of a Department of War (DoW) customer.
Salesforce Ads Systems Engineer OpenAISalesforce Ads Systems EngineerSan 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. Engineer integrations across the ads stack : Connect Salesforce with ads platforms, product catalogs, pricing/rate-card systems, data warehouses, billing tools, measurement workflows, CLM, and e-signature systems so advertiser and campaign data stays accurate and auditable.
Staff Software Engineer (HIL/SIL) BelcanStaff Software Engineer (HIL/SIL)Berkeley, caArchitect a platform that enables a single test case to run seamlessly across both physical Hardware in the Loop (HIL) and virtual Software in the Loop (SIL) benches * Contribute to the requirements definition, and downselection of HIL/SIL tooling alternatives * Develop intuitive user interfaces that enable cross-functional engineering teams to interact efficiently with the platform * Design robust device drivers to ensure precise control and communication within the HIL system * Scale the SIL cloud infrastructure to support advanced battery simulations * Troubleshoot complex electrical and software systems, utilizing schematics and test equipment to isolate platform-level issues. Knowledge/Skills/Education/Experience * Degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent * 7 + years in software engineering, with a proven track record of building HIL/SIL platforms or similar platforms or similar platforms at the interface of hardware and software.
Staff Additive Manufacturing Engineer Velo3dStaff Additive Manufacturing EngineerFremont, CA$165,000–$188,000 / yearThe VELO3D award-winning solution includes an integrated offering of hardware and software: Sapphire metal AM production printer, Flow print preparation software, Assure quality assurance and control system, and an integrated manufacturing process that runs throughout the printing operation. Lead strategic continuous improvement initiatives focused on manufacturing scalability, yield improvement, cycle time reduction, and process robustness using structured problem-solving methodologies and data-driven experimentation.
iOS Engineer, Applied Foundations OpenAIiOS Engineer, Applied FoundationsSan 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. You’ll own complex client-side systems spanning UI, networking, local state, payment integrations and Apple platform integrations, and work closely with backend, product, and safety partners to shape the architecture that supports OpenAI’s mobile ecosystem at global scale.
AI / LLM Software Engineer A5 Talent FindersAI / LLM Software EngineerSan Francisco, CaliforniaYou'll lead technical architecture decisions, implement AI-driven workflows including prompt engineering and memory handling, and collaborate directly with the founders to shape product direction and engineering culture. As a founding engineer, you'll design and build core systems from the ground up, working across the stack to ship fast, reliable features.
Applied AI Engineer, Plugins OpenAIApplied AI Engineer, PluginsSan 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. Have built and operated production APIs, backend services, developer platforms, apps, plugins, connectors, or integrations and can reason across frontend, backend, auth, reliability, privacy, evaluations, and UX constraints.