AI Engineer at Collate | San Francisco

About CollateCollate is an innovative AI-driven document generation platform tailored for the life sciences sector. Our mission is to streamline paperwork through advanced AI technology, enabling our clients to deliver life-saving innovations to patients significantly faster. Serving as a comprehensive solution, Collate enhances every phase of drug, diagnostic, and medical device development—from initial concept to market readiness.Under the leadership of our CEO Surbhi Sarna, a distinguished former General Partner at Y Combinator, and our CTO Nate Smith, a former Visiting Partner at Y Combinator, our team comprises AI researchers, engineers, and designers with experience from top-tier companies like Google, Nvidia, Meta, and Netflix. Impressively, 40% of our team are former founders themselves.We are a compact, elite team backed by over $30 million in seed funding from renowned investors including Redpoint, First Round Capital, Conviction, and Y Combinator, along with industry leaders in healthcare and AI. This is a unique opportunity to become part of a groundbreaking company poised to make a significant impact, guided by experienced founders with the resources to scale effectively.About the RoleWe are seeking a passionate AI Engineer to assist in developing and operationalizing the models and systems that drive Collate's innovative products. Your role will bridge the realms of machine learning, software engineering, and product development—transforming pioneering research into dependable, user-centric functionalities.This position offers a remarkable chance to influence the application of advanced AI in the life sciences sector, where performance, safety, and trust are as crucial as innovation. As one of the initial AI-focused engineers at Collate, you will help establish standards for evaluating and deploying models that have a direct impact on drug and medical device development.

Join our dynamic team at collate as a UI Designer, where your creativity and innovative design skills will help shape intuitive user experiences. Collaborate with cross-functional teams to craft visually stunning interfaces that engage and delight users.

Join Collate as a Frontend Software EngineerAt Collate, we are revolutionizing the life sciences sector with our innovative AI document generation platform. Our mission is to expedite the delivery of life-saving innovations to patients by automating complex paperwork. As a seamless end-to-end solution, we support every stage of drug, diagnostic, and medical device development, from initial concept to market launch.Led by our visionary CEO, Surbhi Sarna, a former General Partner at Y Combinator, and our CTO, Nate Smith, a former Visiting Partner at Y Combinator, we have assembled a team of elite professionals with experience from top-tier companies like Google and Amazon. Our small team has garnered over $30M in seed funding from esteemed investors including Redpoint and First Round Capital, positioning us for rapid growth and impact in the healthcare field.As a Frontend Software Engineer, you will play a pivotal role in shaping the user experience at Collate. Your innovative contributions will translate complex AI technology into intuitive and user-friendly tools for doctors, patients, and researchers. Your work will directly influence the product experiences that are critical for improving patient outcomes.You will be working on a predominantly frontend-focused enterprise workflow application, ensuring the interface is clear, reliable, and trustworthy. This is a unique opportunity to design the intersection where transformative technology meets real-world users.Our Cutting-Edge Tech StackWe utilize modern technologies including TypeScript, React, and Tailwind CSS for our frontend development, creating a dynamic environment for innovation and collaboration.

About CollateCollate is a cutting-edge AI-driven document generation platform specifically designed for the life sciences sector. Our innovative technology automates the paperwork process, enabling our clients to deliver life-saving medical innovations to patients significantly faster. As a comprehensive solution, Collate supports every phase of development for drugs, diagnostics, and medical devices—from initial concept to market launch.Our visionary CEO Surbhi Sarna, a former General Partner at Y Combinator, founded nVision Medical, which pioneered a novel method for detecting ovarian cancer before its acquisition by Boston Scientific. Our CTO Nate Smith, previously a Visiting Partner at Y Combinator and founder of Lever, leads our talented team of AI researchers, engineers, and designers who have backgrounds at industry giants such as Google, Nvidia, Meta, Netflix, Amazon, Airbnb, Hippocratic AI, and Grail. Notably, 40% of our team members are former startup founders themselves.As a compact yet highly skilled team, we have secured over $30M in seed funding from top-tier investors including Redpoint, First Round Capital, Conviction, and Y Combinator, as well as healthcare and AI leaders. This is a unique opportunity to join a company at the forefront of transformative change, guided by experienced founders with the resources to scale effectively.About the RoleWe are seeking a talented Backend Engineer who will play a crucial role in designing and scaling the systems that underpin Collate’s offerings. You will be responsible for developing APIs, services, and the infrastructure that form the backbone of our platform, ensuring they are efficient, dependable, and secure as we transition from prototypes to large-scale implementation.This position is perfect for individuals who thrive on tackling complex system challenges, flourish in an early-stage setting, and wish to see their contributions directly impact advancements in the life sciences field.Modern Tech StackCollate employs a contemporary tech stack aimed at delivering a highly reliable and available platform. Our backend services are built using Go, while we utilize Postgres as our primary database. Frontend development is powered by TypeScript and React, and Python is utilized for AI and machine learning services. Our infrastructure is hosted on AWS, employing Kubernetes for orchestration along with Terraform and Argo CD for configuration management.

About CollateCollate is a cutting-edge AI-driven document generation platform specifically designed for the life sciences sector. Our mission is to streamline documentation processes through automation, enabling our clients to accelerate the delivery of life-saving innovations to patients significantly faster. As a comprehensive solution, Collate supports every phase of drug, diagnostic, and medical device development, from initial concept to market launch.Founded by CEO Surbhi Sarna, a former General Partner at Y Combinator, Collate benefits from her extensive experience, including the founding of nVision Medical which pioneered a novel ovarian cancer detection method that was later acquired by Boston Scientific. Our CTO Nate Smith, previously a Visiting Partner at Y Combinator, is also the founder of Lever. Our talented team of AI researchers, engineers, and designers hail from prestigious companies such as Google, Nvidia, Meta, Netflix, Amazon, AirBnB, Hippocratic AI, and Grail, with 40% of our members being former startup founders.As a compact yet highly skilled team, we have secured over $30 million in seed funding from premier investors including Redpoint, First Round Capital, Conviction, and Y Combinator, as well as leaders in the healthcare and AI sectors. This represents a unique opportunity to join a pioneering company with the potential for transformative impact, led by experienced founders equipped with the resources necessary for large-scale execution.About the RoleWe are seeking a Full-Stack Software Engineer (Backend-Leaning) to architect and develop the systems and user-focused features that drive Collate's success. Your primary responsibilities will revolve around backend challenges—such as APIs, services, and infrastructure—while also engaging in the delivery of complete end-to-end features.This role offers a chance to help shape our technical framework, work closely with design and product teams, and influence the user experience of Collate from the very beginning.Modern Tech StackCollate employs a modern technology stack to ensure a highly reliable and available platform. We utilize Go for scalable backend services, TypeScript and React for frontend development, and Python for AI and ML services. Our infrastructure leverages AWS with Kubernetes for orchestration and Terraform alongside Argo CD for configuration management. Key systems in our architecture include S3, PostgreSQL, Kafka, OpenSearch, LLMs, and various AI models.

About CollateCollate is an innovative AI document generation platform tailored for the life sciences sector. Our mission is to streamline the paperwork process with cutting-edge AI technology, enabling our clients to deliver life-changing innovations to patients significantly faster. We provide a comprehensive solution that supports every phase of drug, diagnostic, and medical device development, from initial concept to market launch.Founded by industry leaders, including our CEO Surbhi Sarna, a former General Partner at Y Combinator, and our CTO Nate Smith, a former Visiting Partner at Y Combinator, our team comprises AI researchers, engineers, and designers with experience from top firms such as Google, Nvidia, Meta, and more. Notably, 40% of our team members are former startup founders.As a small, elite team, we have secured over $30M in seed funding from prestigious investors including Redpoint, First Round Capital, Conviction, and Y Combinator, along with healthcare and AI industry leaders. This presents a unique opportunity to join a company poised for impactful growth, backed by experienced founders and the necessary resources to scale effectively.About the RoleWe are searching for an AI Research Scientist who is eager to push the frontiers of AI applications in healthcare. In this role, you will investigate novel modeling techniques, create innovative architectures, and prototype groundbreaking capabilities that have not yet been realized, all while focusing on how these advancements can translate into safe, reliable, and impactful products.This position goes beyond traditional research; at Collate, our research initiatives are closely linked with real-world applications. You will collaborate with engineers, product managers, and life science experts to ensure that our laboratory breakthroughs become practical solutions in the healthcare space.

About CollateAt Collate, we are revolutionizing the life sciences industry with our cutting-edge AI document generation platform. Our mission is to streamline essential paperwork through innovative AI solutions, enabling our clients to deliver life-saving breakthroughs to patients in record time. Our comprehensive platform supports every stage of drug, diagnostic, and medical device development, from initial concept through to market launch.Founded by industry visionaries, our CEO Surbhi Sarna, a former General Partner at Y Combinator, and our CTO Nate Smith, a former Visiting Partner at Y Combinator, have built a team of talented engineers and researchers with experience at top-tier companies such as Google, Nvidia, and Amazon. With over $30M in seed funding from esteemed investors, we are poised for tremendous growth and invite you to join us at this exciting stage.About the RoleWe are seeking a dedicated DevOps / Systems Engineer to take charge of the infrastructure that supports Collate’s innovative products. In this role, you will develop and maintain the systems and tools that ensure our platform remains reliable, secure, and efficient as we scale.Your responsibilities will be diverse, ranging from managing CI/CD pipelines and cloud infrastructure to overseeing light security tasks such as certificate management. You will collaborate closely with backend, AI, and product engineers to create a seamless development experience and ensure safe deployments at scale.At Collate, our focus on infrastructure goes beyond mere uptime; it’s about building trust. Your contributions will be vital in ensuring that our AI solutions for healthcare operate with the utmost reliability and security.

Join collate as a Quality Engineer specializing in Diagnostics, where you will play a pivotal role in ensuring the highest standards of product quality. In this full-time position, you will collaborate with cross-functional teams to develop and implement quality assurance processes that enhance our diagnostic products.As a member of our team, you will be responsible for designing test plans, conducting rigorous testing, and analyzing results to drive improvements. Your expertise will contribute to the development of innovative solutions that positively impact our customers and the healthcare industry.

Join our innovative team at Collate as a Quality Engineer focusing on medical devices. In this full-time position, you will be responsible for ensuring that our products meet the highest quality standards. You will collaborate with cross-functional teams to develop, implement, and maintain quality assurance protocols that comply with industry regulations and best practices.Your role will involve conducting quality audits, analyzing product performance data, and identifying areas for improvement. We are looking for a detail-oriented individual who is passionate about enhancing product quality and safety in the medical device sector.

Join a pioneering team of former Google engineers who have developed ground-breaking defensive technologies, such as Safe Browsing and reCAPTCHA. We are on a mission to confront an urgent challenge: combating the rising tide of adversarial AI attacks that threaten organizations globally.Operating in stealth mode, we are targeting a lucrative $5B+ market that is primed for innovation. Conventional detection methodologies are proving inadequate against the speed and sophistication of AI-driven assaults. Current adversaries are leveraging AI to engineer tailored, high-evasion attacks, leaving traditional systems vulnerable.Your Role:You will design a network of AI agents that are rapid, cost-effective, and precise, collaborating to identify and neutralize emerging threats. Your work will dive deep into real-time threat data, continuously evolving your agents in a fast-paced environment. These agents will function under an orchestration layer that fosters quick adaptation and learning.The Excitement of the ChallengeRapidly Evolving Models: The landscape changes daily; solutions that worked yesterday may be outdated today.Intelligent Adversaries: We are engaged in a real-time arms race against cunning, AI-enhanced attackers crafting sophisticated payloads.No Existing Playbook: We are forging new detection paradigms as swiftly as threats evolve. This high-stakes work places you in the heart of the action from day one.If you thrive on solving challenging problems with rapid feedback, this is your opportunity.Why We Are Positioned to SucceedExpansive Market: The market is vast at $5B and expanding quickly, while established players struggle to adapt.Proven Track Record: Our team has previously developed the foundational technology for Safe Browsing (serving over 5B users) and reCAPTCHA (protecting more than 5M websites) during our time at Google.Experienced Team: This is our third endeavor in creating a category-defining security enterprise, and we know how to scale our technology and our organization effectively.Deeply Integrated AI and Security: We embed AI from the outset rather than layering it on top.Top Talent: We hire only the highest achievers; many on our team were in the top 1% of engineers at Google. If you excelled in your previous role, you will fit right in.Agility: We prioritize speed and efficiency in everything we do.

Join Our Innovative Team at Simple AIAt Simple AI, we are transforming enterprise communications through cutting-edge voice AI agents. Our highly realistic agents empower leading companies such as DoorDash, xAI, and Omaha Steaks to efficiently manage a variety of phone operations, including customer support, order processing, and lead qualification.As we experience exponential growth and a surge in customer demand, we are seeking a few founding software engineers to help us navigate this exciting journey and develop systems for the future. Our passionate team operates from our vibrant San Francisco office five days a week, driven by a shared vision of leveraging AI to make a significant impact in the world.We are proud to be backed by esteemed investors and operators, including Y Combinator, Massive Tech Ventures, and industry leaders such as Michael Seibel (Twitch), Jared Friedman (Scribd), and more.

About the RoleJoin our innovative team at saris-ai, a pioneering applied AI startup based in San Francisco and Montreal. We are on a mission to redefine the banking industry by addressing a $100 billion annual challenge that is rapidly evolving. Our cutting-edge multi-turn AI agentic systems are at the forefront of this transformation.Our objective is to develop automated solutions that require sophisticated long-context reasoning, seamless tool integration across legacy systems, and stringent compliance mechanisms, particularly in scenarios where conventional answers are elusive.With successful real-world deployments and a rapidly expanding client base, we are seeking passionate and technically adept builders eager to make a significant impact from the start.We are in search of an AI Sales Engineer who will play a pivotal role in enhancing productivity and efficiency within financial institutions through innovative AI solutions. In this role, you will lead discovery calls with various departments to identify workflow challenges and design impactful AI-driven solutions. You will serve as the technical authority during sales cycles, assisting clients in recognizing problems, framing solutions, and articulating ROI.This position combines elements of customer engagement and workflow analysis.Your Key Responsibilities Include:Conduct discovery and technical scoping calls with potential clients to uncover operational inefficiencies in financial institutions.Develop workflow maps and reports to identify bottlenecks and pinpoint opportunities for agentic AI automation.Collaborate with the Sales team to co-manage the pre-sales process from initial discovery to proposal delivery.Engage with executive stakeholders, presenting clear and compelling insights on how Agentic AI can deliver measurable ROI and transform operations at scale.Work closely with cross-functional teams including sales, customer success, and product to ensure customer satisfaction and success.

fractional-ai is hiring a Software Engineer to join the team onsite in San Francisco. This role centers on building and improving technology that advances artificial intelligence. Role overview As a Software Engineer, you will work closely with others to develop and support projects that drive the company’s AI initiatives forward. The work involves collaborating with colleagues and contributing technical solutions in a team setting. What you will do Develop software for AI-driven projects Collaborate with team members in the San Francisco office Contribute ideas and technical expertise to ongoing initiatives Requirements Interest in technology and artificial intelligence Ability to work onsite in San Francisco Strong motivation to learn and contribute to team projects

Join Saris AI as an AI Systems Engineer, where you will play a pivotal role in designing and implementing innovative solutions that leverage artificial intelligence technologies. You will collaborate closely with cross-functional teams to develop AI systems that enhance our products and services, driving impactful results for our clients.

Role OverviewLocation: San Francisco, CA Work Model: In-officeAbout Effective AIAt Effective AI, we are pioneering the future of work, focusing on sophisticated AI solutions for complex knowledge tasks rather than simple, repetitive functions. Our goal is to develop advanced AI Teammates that excel in intricate workflows and collaborate seamlessly with human professionals. Our initial challenge is to revolutionize the trillion-dollar U.S. Property & Casualty insurance sector, an area rich in data and complexity, ideal for our innovative approach.We have successfully secured $10 million in seed funding from prominent investors including Lightspeed Ventures and Valor Equity Partners.Our passionate team operates out of San Francisco, where we value in-person collaboration to address these pressing challenges.Your ResponsibilitiesAs a Founding Software Engineer, you will be an integral member of our founding team, significantly influencing the design and development of our core product from inception. You will confront critical challenges in agentic AI, crafting Teammates capable of managing essential insurance functions such as underwriting and claims processing.Specifically, you will:Facilitate long-term task completion by creating the foundational architecture for AI agents to plan and execute multi-step processes reliably over prolonged interactions.Develop advanced reasoning functionalities, enabling agents to make informed decisions based on ambiguous or incomplete information, akin to human experts.Create intelligent, tool-utilizing agents capable of selecting and employing a variety of external tools—APIs, databases, web searches, and Excel-based pricing algorithms—to gather information and take decisive actions.Design adaptive and learning systems, equipping our AI Teammates to learn from feedback and adjust to evolving conditions such as regulatory changes or market dynamics.Your ProfileWe seek an innovative and driven builder excited to tackle substantial challenges.You possess a solid foundation in computer science and remarkable problem-solving capabilities, evidenced by impactful projects or previous experience.Your genuine enthusiasm for AI fuels your passion for tackling complex issues.

Saris AI develops advanced AI automation for the banking sector, with teams in San Francisco, Montreal, and Toronto. The company addresses large-scale automation challenges, focusing on long-context reasoning, integrating with legacy systems, and meeting strict compliance needs. Saris AI’s AI agents are already active in production, supporting real customer workflows as the business expands. Role overview The San Francisco engineering team is seeking an Engineering Manager. This leader will guide engineers through shifting priorities and frequent ambiguity. The position involves building and leading teams, managing projects from concept to launch, and ensuring the delivery of reliable software that powers AI-driven products. What you will do Build and lead engineering teams focused on automation and AI Oversee software projects from initial idea through production launch Adapt to changing requirements and priorities as the company grows Address the technical challenges unique to deploying software in AI systems Requirements Proven experience building and leading engineering teams History of delivering software projects from start to finish Comfort working in environments where priorities and requirements shift quickly Understanding of the complexities involved in AI-driven software deployment Location This role is based in San Francisco.

About the RoleWe are on the lookout for a skilled Forward Deployed AI Engineer to join our dynamic team at Stack AI. This position is crucial for implementing enterprise-level AI solutions with an emphasis on Retrieval-Augmented Generation (RAG) pipelines and large language model (LLM) workflows. Your contributions will significantly enhance our offerings to Fortune 500 companies and enterprises across diverse sectors.Role Overview:In this role, you will seamlessly integrate large language models into enterprise systems, collaborating with strategic accounts to tailor solutions that meet their technical needs. Utilizing the Stack AI platform, you’ll engage with clients to co-create innovative solutions that address their evolving challenges.Key Responsibilities:Enhance and maintain solutions for strategic accounts using the Stack AI platform.Analyze and document requirements and relationships within target enterprise offices.Identify opportunities and provide insights to shape our go-to-market strategy.Directly contribute to the Stack AI codebase, transforming customer feedback into enhancements for the Python backend and React/Next.js TypeScript frontend.Project future opportunities and secure high-value contracts.Draft proposals, present to stakeholders, and lead engaging product demonstrations.Promote Stack AI at enterprise conferences and events.

About David AIDavid AI is pioneering the audio data research landscape, applying a rigorous R&D approach to dataset development akin to the methodologies used in AI labs for model creation. Our goal is to integrate AI seamlessly into real-world applications, with audio serving as the perfect entry point due to its inherent versatility and human connection. As the audio AI field progresses, the demand for high-quality training data becomes critical, and that's where David AI excels.Founded in 2024 by a team of experienced engineers and operators from Scale AI, David AI has quickly gained traction, serving prominent clients among FAANG companies and AI research labs. Recently, we secured a $50M Series B funding round from esteemed investors including Meritech, NVIDIA, Jack Altman (Alt Capital), Amplify Partners, and First Round Capital.Our team embodies intelligence, humility, ambition, and a close-knit ethos. We are on the lookout for exceptional talent in research, engineering, product, and operations to join us in advancing the frontiers of audio AI.About Our Engineering TeamAt David AI, our engineering team is responsible for constructing the pipelines, platforms, and models that convert raw audio into valuable data for top AI labs and enterprises. We pride ourselves on our collaborative environment, comprising product engineers, infrastructure specialists, and machine learning experts dedicated to leading the charge in audio data research.We operate at a fast pace, taking ownership of our projects from conception through to production. Our team develops real-time processing pipelines capable of managing terabytes of audio data daily while deploying innovative generative audio models.About This RoleAs a Product Engineer at David AI, you will design and implement state-of-the-art tools that enable our users to leverage audio data effectively for training their AI models. You will collaborate closely with researchers to continuously refine our data collection methodologies.Your ResponsibilitiesDeliver full-stack features that will be utilized by thousands of users on a daily basis.Develop scalable systems that create essential data processing pipelines, extracting actionable insights from terabytes of audio data each day.Construct, deploy, and assess LLM and DSP-based solutions to enhance our clients' comprehension of intricate features within our datasets.Rapidly iterate on research hypotheses by collaborating with researchers and the operations team to deploy enhancements efficiently.

Join our dynamic team at Collate as a Sales Representative in the vibrant city of San Francisco. We are seeking a motivated individual passionate about driving sales and building lasting relationships with clients. In this full-time role, you will engage with potential customers, understand their needs, and present tailored solutions that align with our product offerings. Your contributions will be vital in helping us achieve our business goals and expand our market presence.

About Simple AIAt Simple AI, we are pioneering cutting-edge voice AI solutions tailored for enterprises. Our lifelike voice agents empower renowned companies such as DoorDash, xAI, and Omaha Steaks in managing diverse phone operations ranging from customer support to order intake and lead qualification. As we experience rapid revenue growth, we seek a couple of founding software engineers to help us meet current customer demands while developing innovative systems for the future. Our team is passionate about harnessing AI to transform the world, and we operate from our San Francisco office five days a week.Simple AI is proudly supported by top-tier investors and industry leaders, including Y Combinator, Massive Tech Ventures, and prominent figures like Michael Seibel (co-founder of Twitch), Jared Friedman (Scribd), Alexandr Wang (Scale AI), Matt Van Horn (June Oven and Lyft), Suhail Doshi (Mixpanel), JJ Fliegelman (WayUp), and Scott Wu (Cognition).Meet the FoundersThe founders, Catheryn Li and Zach Kamran, previously led software teams at Y Combinator, where they launched numerous products for YC founders, including the co-founder matching site. Cat brings experience from Instagram and Facebook and holds degrees in mathematics and computer science from MIT. Zach studied computer science and statistics at the University of Chicago and led software initiatives at PEAK6.What We ProvideCompetitive salary with significant equity opportunitiesEmployee-friendly equity termsOffice located in San FranciscoComprehensive health, dental, and vision insuranceComplimentary lunch and dinner at the officeFree Uber rides home after 8:30 PMRegular team events and offsite activitiesYour Qualifications4+ years of relevant software engineering experience.Exceptional problem-solving skills and a passion for tackling technical challenges.A customer-centric mindset coupled with strong communication skills and a keen interest in product design and prioritization.Self-motivated with the ability to work independently.A genuine enthusiasm for continual learning and keeping abreast of the latest advancements in AI.