Senior Software Engineer, Vector Index Research ZillizSenior Software Engineer, Vector Index ResearchRedwood City, California$175,000–$250,000 / yearWe work on making similarity search over massive embedding datasets faster, more accurate, and more cost-efficient, while continuously advancing ANN algorithms, index structures, quantization, compression, recall optimization, CPU/GPU acceleration, and high-performance retrieval frameworks. Build high-performance vector indexing components, including index building, query paths, vector preprocessing, quantization, compression, memory layout, and CPU/GPU acceleration.
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.
Senior Software Engineer, Back-End (San Francisco) Short StorySenior Software Engineer, Back-End (San Francisco)San Francisco, CaliforniaWe've been recognized by top publications like Forbes, Fortune and are backed by leading investors who share our vision of building the world's next great consumer brand. As a Senior Backend Engineer , you’ll design and build the services that power our core workflows, from order processing to logistics and internal operations.
Software Development Engineer in Test PlaudSoftware Development Engineer in TestSan Francisco, CaliforniaWith a mission to amplify human intelligence, Plaud captures, structures, and compounds the intelligence generated in conversations — so humans can think better, decide faster, and execute with clarity. Cutting-Edge AI Tools for Productivity Access to best-in-class AI tools, including Cursor, GPT models, Gemini, Claude, and other frontier AI systems to maximize engineering and execution efficiency.
Member Of Technical Staff (Software Engineer, Integrations) Perplexity AIMember Of Technical Staff (Software Engineer, Integrations)San Francisco, CAMillions of people now use Perplexity to transform knowledge into action, and the Integrations team builds the systems and products that let Perplexity connect to user data and workflows across multiple verticals, turning connected data into reliable, AI-powered experiences people use every day. Lead vertical-specific products and AI-powered experiences like a Personal CFO and Email Assistant, turning connected data into reliable, high-impact tools people want to use every day.
Senior Software Engineer, Platform UnifySenior Software Engineer, PlatformSan Francisco, CaliforniaDeep, hands-on expertise scaling and operating PostgreSQL—designing partitioned/sharded schemas, tuning indexes and queries, automating backups and observability, and running resilient multi-TB clusters with replication and failover. Evaluate & integrate new tech: Rapidly prototype with third-party APIs, databases, model-serving platforms, and infra vendors to accelerate customer value.
Senior Software Engineer VarianceSenior Software EngineerSan Francisco, CaliforniaThrive in high-ownership environments and want to drive projects end-to-end, from backend architecture to polished UI to production. Our customers include Fortune 500 companies and global marketplaces, and we’re scaling systems that free millions of hours of human effort.
Senior Software Engineer, Cloud Reliability ZillizSenior Software Engineer, Cloud ReliabilityRedwood City, California$175,000–$225,000 / yearFounded by the engineers behind Milvus, the world’s most popular open-source vector database , the company builds next-generation database technologies to help organizations quickly create AI applications. Experience operating highly multi-tenant systems or large infrastructure fleets; thousands of nodes, clusters, tenants, or customer deployments is especially valuable.
Principal Software Engineer, Simulation OpenAIPrincipal Software Engineer, SimulationSan 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 a platform for our LLMs to train and be evaluated in simulated environments that mimic their deployment setting as closely as possible, on every axis: agentic harness, compute substrate, timing, tools, data sources, humans in the loop, and more.
Software Engineer, Privacy Engineering OpenAISoftware Engineer, Privacy EngineeringSan 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 well suited to a senior engineer who can move between deep systems design and organization-wide influence, turn ambiguous requirements into pragmatic roadmaps, and operate high-trust systems end to end.
Software Engineer, API Multimodal OpenAISoftware Engineer, API MultimodalSan 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 hands-on role combines backend and systems depth with product judgment: you will own projects end to end, partner with Research, Inference, and Safety, and help make multimodal AI useful at scale.
Software Engineer, API Agents OpenAISoftware Engineer, API AgentsSan 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. Partner with Research, Codex, infrastructure, applied product teams, and external developers to translate model progress, traces, evaluations, and real workflow needs into shared capabilities and measurable gains in task completion, cost, and latency.
Software Engineer - Data Platform BatonSoftware Engineer - Data PlatformSan Francisco, California$162,000–$216,000 / yearWe design and ship category-defining software that enables Ryder and its 50,000+ customers—including some of the world’s most well-known brands—to plan and execute freight intelligently, efficiently, and cost-effectively. Have an immediate impact: With Ryder’s existing customer base of 50,000+ companies and an internal headcount of 43,000, the scale and impact of our products will be large and far-reaching, from day one.
Senior Software Engineer, AI Agent & LLM Otter.aiSenior Software Engineer, AI Agent & LLMMountain View, California$185,000–$230,000 / yearUsing artificial intelligence, Otter generates real-time automated meeting notes, summaries, and other insights from in-person and virtual meetings - turning meetings into accessible, collaborative, and actionable data that can be shared across teams and organizations. You will help build and improve the AI systems behind Otter’s conversational knowledge engine and AI Chat, spanning user-facing agent experiences, evaluation systems, and the shared platform required to operate them reliably at scale.
Senior Software Engineer, Behavior Prediction- Planning KodiakSenior Software Engineer, Behavior Prediction- PlanningMountain View, California$170,000–$210,000 / yearShould the position require, and Kodiak determines that a candidate’s residence, U.S. person status, and/or citizenship status necessitate an export license, bar the candidate from the position, or otherwise fall under national security-related restrictions, Kodiak will consider the candidate for alternative positions unaffected by such restrictions, under terms and conditions set forth at Kodiak’s sole discretion, or, as an alternative, opt not to proceed with the candidate’s application. Through this high-impact role, you will improve prediction using the most effective approach for the problem, whether that means improving heuristic prediction logic, collaborating on learned prediction models, refining prediction-planning interfaces, or changing how Planning consumes prediction outputs.
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.
Software Engineer, Agent Productivity OpenAISoftware Engineer, Agent ProductivitySan 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. Slack will be the first and deepest implementation surface—and where you spend most of your time—owning its application architecture, integrations, APIs, governance, and administration automation while building patterns that extend to internal systems, identity platforms, and other enterprise applications.
Member Of Technical Staff (Software Engineer, Acceleration) Perplexity AIMember Of Technical Staff (Software Engineer, Acceleration)San Francisco, CAThe ideal candidate will possess sound technical judgment forged in the trenches of internet-scale companies, paired with voracious use of today's most advanced AI tools/models and a capacious imagination to rethink how work gets done in the leading companies of tomorrow. 5 to 15+ years of industry experience, ideally with a substantial portion focused on infrastructure/platform engineering or developer acceleration in environments featuring significant technical complexity.
Software Engineer, Scaled Abuse OpenAISoftware Engineer, Scaled AbuseSan 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. Our work sits at the intersection of engineering and abuse expertise: we partner closely with Trust & Safety, Security, and Product to understand emerging attack patterns, translate messy signals into clear system behavior, and continuously harden our defenses.
Software Engineer (Full Stack, Backend Focus) (Remote) ImplySoftware Engineer (Full Stack, Backend Focus) (Remote)Burlingame, CaliforniaRemote$135,000–$175,000 / yearThe focus of this role is to build user-facing systems and services that support and enable Imply’s solution to unlock the power of open-source Apache Druid to be the go to solution for a high-performance, cost-efficient data layer for existing observability tools. Lumi delivers lightning fast queries, significant cost savings and seamless integration with leading observability technologies while giving customers the freedom to innovate without vendor lock-in.