AI Engineer Jobs in San Francisco

Usul

Usul is a Silicon Valley AI lab dedicated to rebuilding the infrastructure that equips the Western world, enabling faster technology procurement for governments and commercial clients. As a Forward Deployed Engineer, you will work directly with operators and government clients to develop and implement AI-driven data and workflows for technology acquisition. You will also contribute to our commercial platform, assisting major defense companies and startups in securing government contracts.

$160k - $240k

Athelas

Commure is building the AI Operating System for healthcare, transforming a $1 trillion administrative burden. Our platform integrates Ambient AI, intelligent Agents, and autonomous RCM to streamline care delivery, documentation, and financing. We are seeking an iOS Engineer to help shape and build our next-generation ambient AI platform for healthcare. This role focuses on creating mobile experiences that help clinicians by automatically capturing, understanding, and structuring clinical conversations in real time. You will own meaningful product areas from idea to launch, collaborating with cross-functional teams to translate emerging technology into intuitive and dependable mobile workflows. The ideal candidate possesses strong mobile product judgment, native platform depth, and the ability to learn across the stack, with a focus on creating fast, clear, trustworthy, and natural user experiences in a clinical environment.

$170k - $230k

Sierra

Sierra is a leading platform for customer-facing AI agents, partnering with major brands to transform customer service and business growth. The Applied Research team focuses on enhancing the quality, speed, and cost-efficiency of AI agents. This involves advancing post-training techniques for open-weight models, pioneering new approaches in voice AI, and translating research breakthroughs into robust production systems. The role involves tackling complex AI and ML challenges, building agents capable of reasoning and executing intricate tasks, and determining the optimal balance between custom models and external intelligence to maximize customer value.

Salary not listed

OpenAI

The Cooperative AI team is building an AI-powered knowledge system that evolves and learns alongside OpenAI's products, systems, and customers. This team leverages state-of-the-art models and technologies to automate robust operations, supporting both internal and external customers globally. The work focuses on proving impact through internal use cases, particularly in knowledge systems, automation systems, and automated agent systems, before scaling them. We are looking for Software Engineers passionate about blending production-ready platform architecture with new technologies and paradigms. You will push the boundaries of OpenAI's newest technologies to enable functional and delightful interactions and automations, with a focus on foundational details like data models, architecture, and security to enable great products.

$266k - $445k

Wayve is building the leading AI platform for autonomous driving, pioneering an end-to-end AI approach that enables vehicles to learn directly from real-world experience. This role is within the AI Validation team, a fast-growing group responsible for proving the safety and effectiveness of the Wayve AI Driver. The team focuses on simulation-led validation across various driving competencies. You will own the validation process for specific driving behaviors, developing metrics, automated tests, and analyzing results to ensure the AI Driver meets product requirements and safety standards. This role offers the opportunity to influence release decisions and contribute to bringing advanced autonomous driving technology to a global market.

$210k - $311k

Salesforce Enterprise Security is seeking an Enterprise Application Security Engineer for their Secure AI team. In this role, you will collaborate with business stakeholders and technology partners to ensure AI tooling meets Salesforce's security requirements as AI is deployed at scale. You will have the opportunity to identify emerging threats, design processes that balance security and business agility, and share your knowledge through internal events, conferences, and research.

$149k - $260k

The Evaluation Tools group builds internal products that accelerate the AI Driver development loop, from defining tests to debugging model behavior. Model developers, researchers, and QA engineers rely on these tools to understand driving performance and scale evaluations across millions of scenarios. You will join the Search & Agents squad, developing search, scenario mining, and agentic tooling that allows users to find driving scenarios and create tests without writing SQL. This role involves working across the full stack, owning features end-to-end, from user interaction and idea shaping to building robust software and validating impact. You will have opportunities to define new projects as user needs evolve.

$210k - $311k

Databricks

Databricks is seeking a Senior Software Engineer for its Files team to innovate at the intersection of storage, performance, and distributed systems. This role will directly shape the company's filesystem strategy to power next-generation agentic workloads. The Filesystem has emerged as a preferred runtime interface for AI agents, serving as a foundational layer for context, memory management, artifact authoring, version control, sandboxing, and inter-system communication, thereby accelerating AI adoption.

$166k - $225k

d-Matrix

d-Matrix is at the forefront of software and hardware innovation, aiming to unleash the potential of generative AI. We foster a culture of respect, collaboration, humility, and direct communication, valuing diverse perspectives to create better solutions. We are seeking passionate individuals driven by execution to join us in shaping the future of AI. As a Staff-level individual contributor on the Software Infrastructure team, you will drive the automation for our CI/CD and release pipeline. This involves diagnosing and fixing pipeline failures, such as identifying real regressions, flaky hardware, or infrastructure issues, and pinpointing the exact merge that caused overnight test failures. You will blend AI techniques with traditional software automation to build highly reliable systems and architect compute and storage solutions across cloud and on-prem environments. Your role will involve partnering with various teams to develop and spread best practices, reducing developer toil and accelerating development velocity.

$155k - $235k

Tenstorrent is seeking a Workload Performance Analysis Engineer to optimize the performance of next-generation RISC-V CPUs for modern datacenter and agentic AI workloads. This role bridges hardware and software, focusing on bringing real-world applications to RISC-V platforms, analyzing their behavior, and identifying opportunities for improved CPU performance, efficiency, and scalability. You will collaborate with CPU architects, designers, and software engineers to understand how demanding workloads interact with the CPU and translate these insights into architectural enhancements. Your work will directly impact CPU architecture and performance across cloud, enterprise, and emerging AI workloads.

$100k - $500k

Anthropic

The People Products team at Anthropic is dedicated to shaping the future of AI at work, focusing on critical aspects of the employee lifecycle. This role involves defining the blueprint for AI in professional environments, from hiring and manager effectiveness to onboarding and fostering company culture through innovative tools. You will work directly with Anthropic's advanced AI, Claude, tackling complex, unsolved problems and moving rapidly from prototype to production. This is an opportunity for individuals who are passionate about improving people practices and want to make a significant impact at a leading AI company.

$405k - $485k

Elastic

Elastic is seeking a Principal AI Ecosystem Architect to lead technical strategy and relationships with key AI providers, specifically OpenAI and Anthropic. This individual contributor role involves driving co-build strategies through deep integrations, influencing Elastic's product roadmap, building prototypes, and shaping go-to-market content. The architect will own end-to-end technical relationships, bringing both technical depth and practical experience to demonstrate how Elastic's retrieval capabilities can be leveraged with frontier AI for unstructured enterprise data.

$184k - $291k

SambaNova

SambaNova is seeking a Software Architect to join the SambaStack platform team. This role involves defining the technical direction and architectural strategy for an AI inference platform that serves enterprise AI workloads on SambaNova's RDU hardware. You will own cross-cutting architectural decisions, ensuring the platform meets enterprise-grade standards for scalability, reliability, and performance. This is a high-impact position at the intersection of AI infrastructure, enterprise software, systems architecture, and developer experience.

$245k - $325k

Cerebras

Cerebras Systems is seeking an AI and Automation Engineer to join their Business Intelligence and Systems team. This role involves designing, building, and operating secure AI solutions and enterprise automations for the company. You will translate complex requirements from Finance, Accounting, Supply Chain, and other business units into reliable agents, applications, integrations, and controlled workflows. The position requires a blend of solution architecture, direct engineering, production support, and agile delivery, with a strong emphasis on software engineering judgment and practical business process knowledge to move prototypes into secure, supportable production services.

Salary not listed

SambaNova

SambaNova is seeking a Senior Principal AI Solutions Engineer, a hands-on technical leader responsible for setting the technical direction of their solutions portfolio and actively building agentic applications. This role involves transforming customer problems into polished, production-ready applications rapidly. You will work across the entire modern AI stack, including open-weight models, agent frameworks, self-improving evaluation loops, multimodal and voice pipelines, and user-friendly front-end interfaces. You will lead engagements with strategic customers, mentor the solutions team, and provide valuable feedback to the platform. This position requires expertise in designing and building reliable single- and multi-agent systems with advanced features like planning, tool/function calling, and long-running workflows. You will also develop feedback loops for continuous improvement of agents, including automated evaluations and fine-tuning. A key aspect is setting up robust evaluation, tracing, and guardrails to ensure quality, cost-effectiveness, and latency for deployed solutions.

$234k - $286k

SambaNova

SambaNova is seeking a Senior Developer Advocate, AI Content & Community to enhance the visibility and utility of its AI infrastructure technology. This role involves hands-on development of compelling demos and applications using SambaCloud, alongside building relationships within the developer ecosystem to amplify SambaNova's offerings. The ideal candidate will be adept at prototyping, clearly explaining complex technology, and effectively communicating through various media, including live presentations and digital content.

$196k - $240k

SambaNova

SambaNova is seeking a talented and driven ML performance engineer to optimize and scale state-of-the-art foundation models on SambaNova's reconfigurable dataflow platform. You will work hands-on with advanced models to push the limits of throughput, latency, and efficiency. This role bridges the gap between deep learning and systems performance, collaborating across compiler, runtime, and hardware layers to deliver world-record performance for large-scale AI inference.

$180k - $255k

Unusual Ventures is seeking an AI Engineer to join their team. This role involves building AI-powered agents and pipelines to enhance talent intelligence, sourcing, and research for their portfolio companies. You will also develop tools for diligence support, firm knowledge management, operations automation, and portfolio support, directly impacting the firm's usefulness to the founders they back. The position emphasizes building practical solutions that address real user problems and iterating quickly.

Salary not listed

As a Senior Applied AI/ML Scientist on the Search team, you will shape the technical vision, machine-learning algorithm strategy, and system design behind Faire's Search functionality. You will advance real-time search and recommendation systems that power next-generation shopping experiences by working at the frontier of algorithms, combining query understanding, deep learning, transformer-based sequential modeling, graph neural networks, and structured behavioral data to return hyper-relevant, personalized products and brands for every user query. This is a chance to influence the end-to-end personalized discovery experience at Faire within a high-scale, deeply multi-modal environment, collaborating closely with a talented team of scientists and engineers.

$211k - $291k

Handshake is seeking a Member of Technical Staff to join their AI Engineering team. This role is crucial for building and improving the data systems that power frontier model training. You will be responsible for enhancing how Handshake generates, processes, and prepares complex and sensitive data, including creating high-quality synthetic data and anonymizing acquired data while preserving its value. You will collaborate with researchers, domain experts, legal teams, and customers to transform data-related challenges into experiments, pipelines, and products, influencing the company's technical direction and culture.

$200k - $350k

Faire is seeking a Senior Applied AI/ML Scientist to join the Listing Quality team. This role will focus on developing and implementing algorithmic solutions to revolutionize the wholesale industry by improving product catalog content. You will be responsible for the modeling and measurement of product images, titles, descriptions, and attributes, leveraging multi-modal deep learning and LLMs to enhance product discoverability and sales. This is a high-impact position where you will drive projects end-to-end, from problem framing to production and measurement, working with unstructured data to solve challenging marketplace problems.

$211k - $291k

Faire is seeking a Senior Applied AI/ML Scientist to join their Marketplace Quality team. In this role, you will be responsible for developing and implementing algorithmic solutions to ensure the trustworthiness of Faire's marketplace for brands and retailers. This involves matching Faire's catalog against external data, detecting pricing and policy violations, and optimizing actions based on finite resources. You will work with structured and unstructured data, employing techniques like entity resolution, information extraction, multi-modal LLMs, and constrained optimization. The position requires driving projects from conception to production and measurement, in close collaboration with product, engineering, and operations teams.

$211k - $291k

Mercor is a leading AI data company that organizes human intelligence to power the AI economy. We build the layer between human expertise and frontier models, enabling millions of domain experts to train AI models at scale. As a Tech Lead for the Applied AI Backend Systems, you will own critical services within our platform, focusing on designing data models, building APIs and services, and developing data pipelines that ensure reliable, fast, and observable operations. This is a hands-on build role where you will take ambiguous problems, make design decisions, ship to production, and mentor other engineers.

$250k - $500k

Mercor is a leading AI data company building the layer between human expertise and frontier models, organizing human intelligence to power the AI economy. The Applied AI organization focuses on building systems that transform human expertise into training data for advanced models, creating task pipelines, expert workflows, and evaluation infrastructure. This role involves owning and developing backend services within this stack, focusing on data models, APIs, and data pipelines that ensure correctness, speed, and observability as the platform scales. It's a hands-on build role where you'll take ownership from problem scoping through to production deployment and ongoing maintenance.

$220k - $500k