Claude Jobs

thinkingmachines

Thinking Machines Lab is seeking an Operations Analyst to focus on ensuring product safety while supporting rapid product iteration. This role involves close collaboration with product engineers, security, researchers, and designers to integrate safety and integrity into the entire product lifecycle. Daily tasks will include managing the moderation queue and developing tools and policies to enhance the speed and accuracy of future moderation efforts.

$190k - $300k

Legora is seeking a Corporate Security Engineer to own the security of the company's internal environment, including identities, devices, SaaS, and AI tools. This role is for a builder who treats security controls and automations as software they own. The ideal candidate will have an AI-first mindset, leveraging agents and LLMs to improve efficiency, and a deep understanding of modern attack surfaces like identity, SaaS, and AI tools. You will be responsible for securing Legora's AI-native workspace, ensuring the trust of legal professionals who rely on the platform for sensitive work.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences with AI. We are seeking a GTM Operations professional to support the Agent Development team, bringing operational rigor to their strategy and operations. This role will involve establishing operating cadences, defining and scaling best practices for enterprise AI agent deployment, and driving account expansion strategies. You will analyze complex datasets, translate findings into actionable recommendations for executive leadership, and leverage AI-native tools to build internal systems and automate workflows.

Harvey

Harvey is seeking a seasoned User Researcher to join its core product team. This role is for a senior individual contributor who will drive high-impact research across multiple teams or a major product area. You will shape problem definition, influence roadmaps, and elevate research quality through strong craft and partnership. The ideal candidate is comfortable with AI technologies and excited to build research and insight tooling to accelerate workflows. Success will be measured by teams meaningfully changing direction based on your insights, improved research quality in supported teams, and being a trusted strategic partner who moves at speed. This is a unique opportunity to shape how a category-defining AI company builds its products from the ground up, reporting directly to the Head of User Research and focusing on accelerating the quality and speed of user-centered AI product development.

$159k - $265k

thinkingmachines

Thinking Machines Lab is seeking a developer productivity engineer to enhance internal software development processes, focusing on safety, speed, and user experience. This role will concentrate on AI tools and coding agents, collaborating with platform, security, and product engineers to build cutting-edge tooling for AI-assisted software development and significantly accelerate the inner development loop. The position involves both establishing company-wide platforms and assisting individual developers in optimizing their workflows.

$350k - $475k

LangChain is seeking an IT Systems Engineer to join our growing team in San Francisco. This role is critical to maturing and scaling our IT foundation as the company expands. You will bring deep technical expertise to our fleet management and SaaS administration, with the opportunity to shape how we manage our fleet, identity, SaaS stack, and business automation. The ideal candidate has startup experience, thrives in ambiguity, enjoys problem-solving, and is excited to build scalable systems to support our global team.

$150k - $170k

We are seeking an AI Research Engineer to join our document understanding team, bridging the gap between applied research and robust engineering. In this role, you will focus on vision-language models, document processing, data curation, synthetic data generation, benchmarking, and model training and fine-tuning. The primary objective is to enhance the accuracy, speed, and cost-effectiveness of our document AI systems in production. This position requires a passion for cutting-edge AI research coupled with a strong drive for practical product impact, involving rapid prototyping, rigorous evaluation, and the transition of promising approaches into production systems.

Within is seeking a Staff Product Designer, a senior individual contributor who will act as a force multiplier across the company's AI-native enterprise product. This role involves leading complex and ambiguous design efforts from conception to completion, setting high standards for design craft and the integration of design with code. The designer will be instrumental in shaping the coherence of the AI-native enterprise product as a unified system. The position emphasizes hands-on work, close collaboration with engineering and product teams, and bringing designs to life through prototyping and direct contribution to the product's development. The company values systems thinking and a proven track record of shipping products over formal degrees.

Stability AI

Stability AI is seeking a Senior Product Engineer to lead the ground-up development of PLG growth and lifecycle infrastructure for their music and audio products. This greenfield role spans web, desktop, plugin, and mobile platforms, requiring you to select the technology stack, design the event model, implement integrations, and manage the system. The ultimate goal is to create a measurable and attributable funnel from anonymous users to paying customers and account expansion. This position is at the nexus of growth marketing, product lifecycle management, and community-driven PLG, focusing on systems that drive conversion within the product.

Scale AI

Scale is seeking a technical Business Systems Analyst to act as the product owner for the Public Sector Salesforce environment and build AI tooling for the broader organization. This role is designed to be more than a standard Salesforce administrator, focusing on leveraging AI to accelerate sales cycles and streamline operations. The analyst will be responsible for architecting the GTM systems stack, building AI-powered automations, and owning integration design across various platforms. This position requires close collaboration with GTM leadership, deal desk, finance, legal, and compliance to translate business needs into scalable systems, while also ensuring compliance with FedRAMP/IL-tier and CMMC standards.

$166k - $207k

Synthesia, a leader in AI video for business, is seeking an Engineering Manager to lead its growing Application Security (AppSec) team. This role is crucial for securing the company's engineering and research organization as it scales, with a focus on building AI-native security tooling and embedding security throughout the development lifecycle. The ideal candidate will be a technically adept leader who can earn the trust of senior engineers, engage deeply in areas like threat modeling and agentic security tooling, and own the AppSec strategy. This position requires a hands-on approach to enable the team's success and foster a secure development environment within a rapidly growing AI-focused company.

Stability AI

Stability AI is seeking a Senior Product Engineer to lead the ground-up development of PLG growth and lifecycle infrastructure for their music and audio products. This greenfield role spans web, desktop, plugin, and mobile platforms, requiring you to select the technology stack, design the event model, implement integrations, and manage the system. The ultimate goal is to create a measurable and attributable funnel from anonymous users to paying customers and account expansion. This position is at the nexus of growth marketing, product lifecycle management, and community-driven PLG, focusing on systems that drive conversion within the product.

Scale AI

This internship focuses on building and deploying AI-powered tools, automating workflows, and implementing agentic systems for use by Scale AI teams. You will be embedded within the Data & Technology organization, collaborating directly with engineers, data scientists, and operations leads on live automation initiatives. The role is ideal for individuals with a strong understanding of current AI capabilities, a preference for hands-on building over theoretical exploration, and proficiency in modern LLM tooling.

$74k - $112k

Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking an Agent Builder to contribute to our innovative AI platform. This role involves tackling complex challenges in simulation, content management, and the AI agent development lifecycle. You will adapt traditional software development methodologies for AI agents and explore generative tools to accelerate agent creation and build self-improving systems.

Sierra is building a platform to enable companies worldwide to create better, more human customer experiences using AI. We partner with industry leaders and are primarily an in-person company based in San Francisco, with growing international offices. Our culture is guided by core values: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. The company was co-founded by Bret Taylor and Clay Bavor, who bring extensive experience from leading tech companies like Salesforce, Facebook, and Google.

Decagon is seeking a founding Platform Engineer, Security to design, build, and operate the security infrastructure for its leading conversational AI platform. This is a hands-on builder role focused on creating durable, well-engineered systems, including paved paths for secure service creation, automated security tooling, and infrastructure-as-code. As the first dedicated engineer in this area, you will have a significant impact on shaping the technical direction of the infrastructure security program and investing in automation, observability, and self-service. The work is closely tied to the business, directly enabling high-value deals with security-conscious enterprises.

$200k - $400k

WRITER is a leading enterprise AI company focused on expanding human capacity through superintelligence. Our platform enables businesses to build and deploy AI agents grounded in their data, powered by enterprise-grade LLMs. We are seeking a Software Engineer, Generative AI to build the secure, scalable foundation for our AI solutions in complex corporate environments. This role is for a well-rounded engineering generalist with a strong focus on generative AI and a whole-systems mindset for architectural design. You will own projects from proposal to deployment, shaping the future of AI and contributing to a product that is changing how the world works.

WRITER is seeking a Software Engineer, Generative AI to join their team. This role is at the forefront of expanding human capacity by building the secure, scalable foundation that allows generative AI solutions to thrive in complex corporate environments. The ideal candidate is a well-rounded engineering generalist who leans heavily into generative AI and brings a whole-systems mindset to architectural design. You will own projects from proposal to deployment, shaping the future of AI and contributing to a product that's changing how the world works. This is a hybrid role based out of San Francisco, New York City, or London.

Black Forest Labs is seeking a Developer Experience Engineer to own the end-to-end developer experience for their generative AI platform, powering tools used by millions. This role is crucial for making the platform the choice for developers and agents alike, focusing on speed and ease of use from idea to production. You will identify and resolve friction points across the API, SDK, dashboard, and onboarding flows, working closely with product engineering, API/platform teams, research, and DevRel to ensure a seamless experience.

€140k - €190k

WRITER is seeking a highly skilled full-stack software engineer to join their engineering team. This role will focus on building advanced AI-driven agent systems capable of executing autonomous workflows, orchestrating multi-step tasks, and extending human capacity across enterprise applications. The engineer will be instrumental in designing, building, and scaling next-generation AI agents that integrate with enterprise data and services to solve real-world problems, collaborating with cross-functional teams to transform complex agent concepts into production-ready systems.