AI Engineer Jobs in San Francisco

Perplexity AI

This role is for experienced software engineers looking to build AI-powered products. You will own user-facing surfaces end-to-end, from interaction design and frontend development to application logic, APIs, data models, and the underlying search or model calls. The team continuously ships to production, with new engineers often having code in front of users within their first week. You will leverage AI, including agents and coding models, as primary tools to accelerate development and improve product quality, focusing on reliability, latency, and craft. This is a full-stack position that suits individuals who enjoy building and have the autonomy to do so, with a focus on turning ambiguous product ideas into working prototypes and iterating based on usage data and evaluations.

$180k - $270k

Athelas

Commure is building the AI Operating System for healthcare, aiming to transform the industry's administrative burden. Their platform encompasses Ambient AI, Dictation, intelligent Agents, and autonomous Revenue Cycle Management (RCM) on a single AI-native platform integrated with numerous EHRs. The company's impact is significant, serving over 500,000 clinicians and handling billions in annual claims, backed by substantial funding and market recognition. The team operates with a direct connection to clinicians, ensuring immediate impact and a fast-paced, ownership-driven development cycle. This role is for an innovative Full Stack Engineer who can contribute to new solutions, scale features, and elevate engineering practices within a dynamic environment.

$130k - $180k

Together AI

Together AI is seeking a full-stack engineer to join their Product Engineering team. This role focuses on enhancing the developer experience across their AI platform, including surfaces like Playground, Model Garden, and Fine-Tuning. The ideal candidate is motivated by shipping impactful features that users value, working across the entire product lifecycle from data models to user interfaces. This is a high-ownership position on a fast-moving team where individual contributions are highly visible and directly influence product direction.

$160k - $230k

Faire is a technology wholesale platform connecting independent retailers globally. We leverage AI and machine learning to empower local businesses to compete effectively. This role focuses on the Retailer Growth Data team, developing AI/ML systems for paid marketing and top-of-funnel acquisition. Opportunities include optimizing bidding, keyword intelligence, audience targeting, and incrementality estimation. There's a significant chance to explore AI/ML and LLMs for programmatic content creation, reinforcement learning, and landing page optimization to drive growth.

$211k - $291k

Together AI

Together is seeking a Senior Product Engineer to join their central Product Engineering team, working closely with the Commerce engineering team. You will be responsible for the product UI for Together AI's critical user flows, including enterprise spend controls, governance, usage-based pricing, metering dashboards, payment management, and enterprise contract interfaces. This role requires a hands-on individual who can efficiently break down ambiguous tasks, deliver improvements quickly, and make pragmatic decisions to drive customer and revenue impact. You will collaborate with product, design, and backend engineers, leveraging strong product judgment to make UX decisions within established patterns.

$160k - $230k

Faire is revolutionizing the wholesale industry by connecting independent retailers with global product discovery through technology, data, and machine learning. As a Senior Applied AI/ML Scientist on the Brand Growth team, you will be instrumental in developing algorithmic solutions to acquire and grow brands on our marketplace. This role involves working with structured and unstructured data to personalize user experiences, enhance growth, and drive business impact. You will collaborate closely with product, engineering, marketing, and sales teams, taking ownership of ML projects from conception to production and measurement.

$211k - $291k

Together AI

At Together AI, you will be responsible for the systems and tooling that enable engineers to ship code quickly and reliably. This includes CI/CD pipelines, release infrastructure, local development environments, and testing systems. This is a build-heavy, high-leverage role where you will drive large projects end-to-end, focusing on building the infrastructure that makes manual effort unnecessary and allows engineers to concentrate on product development.

$180k - $250k

Together AI

Together AI is seeking a Manager to oversee commercial relationships with international cloud compute suppliers and develop market intelligence to guide compute supply strategy. This role involves managing the entire lifecycle of international cloud service provider (CSP) contracts and renewals, conducting RFPs for new capacity, establishing global GPU cloud pricing benchmarks, and collaborating with infrastructure engineering, finance, and go-to-market teams to ensure optimal capacity and economics during rapid global GPU fleet expansion.

$190k - $220k

Together AI

As a Customer Success Engineer at Together AI, you will be the named technical owner for one of our most strategic customer relationships. You will serve as the primary technical point of contact across all infrastructure domains, including compute, networking, storage, and facilities, ensuring the flawless delivery and operational health of large-scale GPU deployments. This role is crucial for driving both customer success and company growth by combining deep infrastructure expertise with high-stakes customer partnerships.

$260k - $290k

MatX is building custom silicon and co-designing hardware/software to make the world's largest AI models run with unprecedented efficiency and quality. The AI tooling team plays a crucial role across the entire stack, developing agent harnesses and shared workflows that optimize general-purpose coding agents for specific layers of the AI development process. This position offers a unique opportunity to work alongside hardware engineers, gain deep insights into RTL design, design verification (DV), and physical design (PD), and contribute to building the missing tools and workflows that empower AI agents in hardware engineering tasks.

$160k - $275k

WRITER is seeking a Software Engineer, Generative AI to build the secure, scalable foundation for enterprise-grade generative AI solutions. This role is for an engineering generalist with a strong focus on generative AI and a systems-level approach to architecture. You will be responsible for designing and developing services, integrating AI models and agentic workflows, and owning platform component architecture from proposal to deployment. The work directly impacts enterprise-wide transformation, driving significant revenue increases and cost reductions for clients. This is a hybrid role based in San Francisco, New York City, or London.

$132k - $240k

Crusoe

Crusoe is seeking a Senior Staff Applied AI Inference Engineer to accelerate the abundance of energy and intelligence by optimizing AI infrastructure. This role focuses on making large language models run faster, cheaper, and more reliably in production by owning the inference stack end-to-end. You will be responsible for profiling performance, implementing modern optimization techniques, and diving deep into serving code. The work is applied, directly impacting customer deployments, and involves tailoring solutions to specific models, traffic patterns, latency targets, and cost constraints. You will collaborate with customer engineering teams, guide workloads from proof of concept to production, and ensure engineered gains are realized by users. This is a hands-on engineering role requiring coding, profiling, and low-level optimization, with a customer-facing component and elements of product and technical solutions work.

$250k - $300k

As an AI engineer at WRITER, you will be instrumental in shaping how enterprises leverage superintelligence. This role involves building tangible AI solutions that power the future of work for leading global companies. Your contributions will directly influence the performance, scalability, and ethical alignment of our advanced LLMs and AI agents, enabling businesses to achieve unprecedented productivity and innovation through AI grounded in their data.

$198k - $259k

As a deployment engineer at WRITER, you will be at the forefront of expanding human capacity through superintelligence. This role involves partnering directly with enterprise customers to understand their unique business challenges and architect AI-powered solutions using WRITER's platform and enterprise-grade LLMs. You will transform complex needs into tangible, high-impact applications, driving significant business results and shaping the future of work for large companies. This is a critical role that directly impacts customer success and product evolution, contributing to WRITER's mission of pushing the boundaries of generative AI.

$146k - $204k

Amplitude

Join the engineering team that builds the AI-native apps, agents, and tools that power Amplitude's internal operations. This is an AI-first, full-stack software engineering role where you will leverage your expertise in frontier AI technologies to drive continuous improvements in both the systems you build and the way you build them. Your work will have a significant business impact across critical functions like Finance, People Ops, Product Ops, Legal, and HR, by designing and building internal applications, data products, automations, and integrations.

$198k - $299k

Databricks

The Web Platform team at Databricks is rebuilding the public-facing web experiences from the ground up, making them AI-native from the start and pioneering an agentic SDLC. As a Staff Software Engineer on this team, you will own the platform layer that others build upon, including the web framework, design system, CMS, infrastructure, CI/CD pipelines, AI-enabled translation, and SDLC agents. This is a unique opportunity to shape the architecture of a web platform for an AI-native world, partnering with technical leaders and setting the standard for AI-native platform engineering.

$198k - $273k

Databricks

The Agentic Applications team at Databricks is building resilient, in-house platforms and AI-powered capabilities to drive business transformation and competitive advantage. As a Senior Staff Software Engineer, you will be instrumental in delivering end-to-end applications that empower employees with assistive technologies. Your role will involve defining the technical roadmap, designing critical software systems, mentoring junior engineers, and resolving complex technical challenges, acting as the technical leader for the team.

$192k - $260k

Databricks

Databricks is seeking a Sr. Software Engineer to join the Ingestion Core Team. This team is responsible for making data ingestion simple, reliable, and efficient for all data types, including structured and unstructured. The role involves building distributed platform systems to incrementally ingest high-volume, petabyte-scale data from diverse sources into Delta Lake, ensuring schema evolution and change data capture. You will contribute to simplifying complex data challenges and empowering customers with analytics and machine learning tools.

$166k - $225k

Databricks

At Databricks, we are passionate about enabling data teams to solve the world's toughest problems by building and running the world's best data and AI infrastructure platform. We are looking for engineers who are customer obsessed and can take on the full scope of the product and user experience beyond technical implementation. You will set the foundation for how we build robust, scalable, and delightful products, creating experiences for our customers across the full project lifecycle from loading data, visualizing results, creating statistical models, and deploying as production artifacts.

$192k - $260k

Databricks

Databricks is seeking a Senior Staff Applied AI Engineer to lead the development of context retrieval systems for Databricks agents across various SaaS providers. This is a foundational role focused on building both the underlying retrieval stack and the intelligent search subagents that leverage it. The goal is to significantly enhance the ability of Databricks agents to access and understand relevant information from diverse data sources, thereby improving their performance in tasks ranging from answering complex queries to debugging and data analysis. This role requires deep expertise in information retrieval and a proven track record of shipping production-ready retrieval systems for RAG and agentic workloads.

$229k - $343k

Databricks

The Web Engineering team at Databricks builds and owns the public-facing web experiences that represent Databricks to the world. We are rebuilding the platform from the ground up, making it AI-native from the start and pioneering an agentic SDLC as our operating model. As a Senior Software Engineer on this team, you will build and scale the platform layer that Web Engineering builds on, including the framework, infrastructure, CI/CD, and deployment pipelines. You will contribute to a unified, agentic-ready foundation that shifts platform maintenance from per-surface effort to a centralized, scalable system.

$160k - $220k

Databricks

As a Senior Applied ML Engineer on the Applied AI team, you will leverage machine learning, scheduling, and optimization algorithms to enhance the efficiency and performance of Databricks' infrastructure. Your responsibilities will encompass the full technology stack, from cluster management to query compilation, tackling complex, high-impact engineering challenges to deliver optimized and cost-effective workloads for customers. This role is crucial for accelerating serverless growth, building end-to-end ML4Sys solutions, shaping applied ML strategy, and driving the deployment of state-of-the-art models.

$166k - $210k

Eudia is seeking a highly motivated and innovative AI Engineer Intern for either the spring or summer to join their growing team. This internship offers an exceptional opportunity to work on challenging Machine Learning / Gen AI problems in the legal domain. As an intern, you will collaborate with experienced AI researchers and engineers to solve enterprise-grade AI problems across Content AI, Document AI, and the applications built on top of them, including evaluating and fine-tuning both open-source and closed-source models, improving retrieval and reasoning quality, and testing AI systems for accuracy, reliability, and performance. This is a hands-on opportunity to contribute to real-world AI applications, tackle fundamental challenges in deep learning, and gain exposure to production-grade AI systems.

Salary not listed

Campfire

Campfire is building AI agents to automate the heavy lifting of ERP implementations, cutting them from months to weeks. As a Data Engineer, you will be an architect of the agentic platform at the heart of this effort, responsible for the system that moves customers onto Campfire and keeps their financial data live and in sync. This role is not a traditional data engineering position; you will be building the platform and AI agents themselves, with significant ownership and the opportunity to ship features that directly impact customer implementations and company scaling.

$150k - $220k