Software Engineer (Senior-Level) ChestnutSoftware Engineer (Senior-Level)San Francisco, CaliforniaBacked by a16z, we’re replacing legacy systems with a modern, flexible platform that helps carriers automate complex workflows, optimize every distribution dollar, and unlock new growth. That means well-structured data models, real-time event pipelines, clean APIs, and usable tools that support humans and agents working in parallel.
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.
Software Engineer - Backend Specialist MercorSoftware Engineer - Backend SpecialistSan Francisco, CaliforniaRemote$40–$50 / hourFor details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome. Test apps locally and debug build, runtime, and permission issues.
Software Engineer, Design Systems AssembledSoftware Engineer, Design SystemsSan Francisco, CaliforniaWith AI Agents that resolve cases end-to-end, AI Copilot for agent assistance, and AI-powered workforce management that optimizes both human and AI capacity, Assembled helps teams deliver faster, better service while making smarter decisions about how to staff and automate. We're looking for a Software Engineer to lead the technical vision for that work: defining the architecture of the system, building the infrastructure around it, and helping shape the next generation of design-to-code workflows.
Senior Software Engineer InstaworkSenior Software EngineerSan Francisco, CA$170,000–$200,000 / yearYou will collaborate across engineering, product, and design to translate business requirements into clear, scalable technical solutions, leveraging modern methodologies-including AI where it aligns with product scope-to deliver high-quality products and efficient software workflows. Forbes included us on their Next Billion Dollar Startups list; RetailTech Breakthrough named us Workforce Hiring Solution of the Year for 2025; and Inc. 5000 recognized us as one of the country's top 10% fastest-growing companies two years in a row.
Software Engineer - Capacity BaseTenSoftware Engineer - CapacitySan Francisco, CAYou will work directly with the Capacity, Sales, and Engineering teams to understand requirements, define solutions, and ship software that removes friction from some of the most high-stakes workflows in the company. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production.
Software Engineer - Training Product BaseTenSoftware Engineer - Training ProductSan Francisco, CAMultinode training: Multinode training enables customers to easily run training jobs across multiple compute nodes, enabling users to train large models like GLM 4.7 and DeepSeek. Familiarity or experience with the open source training stack and frameworks (NCCL, PyTorch, Megatron, NemoRL, VeRL, Axolotl, HF Trainer) and distributed training techniques (FSDP, DeepSpeed).
Software Engineer, Connectors & MCP WriterSoftware Engineer, Connectors & MCPSan Francisco, CAFounded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. You'll dive deep into developing a state-of-the-art platform that leverages cutting-edge generative AI technologies, from large language models to sophisticated agentic workflows, delivering seamless, scalable, and secure applications that redefine enterprise productivity.
Software Engineer - Infrastructure BaseTenSoftware Engineer - InfrastructureSan Francisco, CABy uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma and Writer.
Software Engineer, Resources RetoolSoftware Engineer, ResourcesSan Francisco, CaliforniaNearly every company in the world runs on custom software for critical operations like tracking performance metrics, handling support workflows, building admin dashboards, and countless processes you might never have thought of. 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.
Software Engineer, Core Services RetoolSoftware Engineer, Core ServicesSan Francisco, CaliforniaWHAT YOU'LL DO The Core Services team owns key backend services powering broad areas of the Retool product, including code execution and the infrastructure behind resource connectors that allow customers to connect Retool to their data. 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.
Forward Deployed Software Engineer Recruiting From ScratchForward Deployed Software EngineerSan Francisco, New YorkRemoteIts platform combines large language models, retrieval-augmented generation (RAG), production data pipelines, machine learning, and modern software engineering to deliver highly customized AI solutions directly inside customer environments. As a Forward Deployed Software Engineer, you'll work directly with customers to design, build, and deploy AI-powered software tailored to their operational needs while collaborating closely with implementation, product, and engineering teams.
Software Engineer, Compute Infrastructure OpenAISoftware Engineer, Compute 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. Experience in one or more relevant areas such as distributed systems, operating systems, networking protocols, RDMA, NCCL or collective communication, storage, Kubernetes, scheduling, observability, reliability engineering, high-performance computing, GPU infrastructure, CaaS, agent infrastructure, hardware-aware performance optimization, benchmarking, developer experience, or infrastructure tooling.
Developer Relations Engineer Ode with AnthropicDeveloper Relations EngineerSan Francisco, CaliforniaAs Anthropic’s services venture, we tackle the hardest, most consequential AI problems for companies with real stakes, working closely with their Applied AI and Product teams to turn frontier technology into real world impact. You'll be embedded in the engineering team, reading code, sitting in architecture reviews, talking to clients, and translating that work into content, community, and presence that engineers actually respect.
Software Engineer, AI Security NotionSoftware Engineer, AI SecuritySan Francisco, California$270,000–$340,000 / yearSkills You'll Need to Bring: Secure software engineering craft: You have 8-10+ years of experience designing, building, or securing complex software systems, and you are comfortable working in production code with product and platform engineers. Build automated red-team and regression testing for risks such as prompt injection, indirect instruction following, data exfiltration, tool misuse, cross-tenant leakage, and unsafe workspace mutations.
Software Engineer, New Grad 2026 Color HealthSoftware Engineer, New Grad 2026South San Francisco, California$125,000–$140,000 / yearThese two engineers will join teams who are working on the AI platform that will power internal care team tools and patient experiences, and the services and experiences that enable our patients to efficiently onboard, assess risk and get the appropriate screenings. The engineering and product team will help you build skills in engineering design, code review best practices, testing best practices, observability best practices and collaboration skills with product & engineering peers.
Software Engineer, ML Infra (Junior & New Grad) News BreakSoftware Engineer, ML Infra (Junior & New Grad)Mountain View, CA$125,000–$175,000 / yearRecognized by Fast Company as #32 on the Top Workplaces for Innovators, we're proud to be Great Place to Work certified and home to a dynamic team of technologists, product innovators, and business leaders who are passionate about solving meaningful challenges at scale. You'll join a small, high-ownership team that ships platform improvements end-to-end-partnering with product and data teams, reducing latency and cost, and shortening the path from an idea to a safely launched model.
Senior Software Engineer, Android - Ai-Native Client Platform News BreakSenior Software Engineer, Android - Ai-Native Client PlatformMountain View, CA$118,000–$212,000 / yearEngineers here don't just write features: they design the architecture, conventions, and guardrails that let humans and AI build together safely, across our flagship app and a matrix of new products (Lite, short-drama, local). Recognized by Fast Company as #32 on the Top Workplaces for Innovators, we're proud to be Great Place to Work certified and home to a dynamic team of technologists, product innovators, and business leaders who are passionate about solving meaningful challenges at scale.
Software Engineer – AI Inference Engine FriendliAISoftware Engineer – AI Inference EngineSan Francisco, CaliforniaWe power high-throughput, low-latency AI workloads for organizations worldwide and integrate directly with Hugging Face, giving developers instant access to over 600,000 open-source models. In this role, you will focus on designing, implementing, and optimizing GPU kernels and supporting infrastructure for next-generation generative and agentic AI workloads.
Software Engineer FiveTranSoftware EngineerOakland, CA$174,915–$209,906.50 / yearFivetran promotes diversity, equity, inclusion & belonging through attracting, recruiting, developing, and retaining a diverse workforce, not only because it is the right thing to do, but because it helps us build a world-class company to better serve our customers, our people and our communities. Together, we're delivering the data infrastructure layer that helps organizations move, transform, and trust their data - from the moment data moves, through every transformation, to the context teams and AI systems rely on.