Anthropic Jobs

Anthropic

Anthropic is seeking Research Engineers to reimagine how Claude interacts with external data sources. This role involves designing novel architectures for organizing information and training language models to effectively utilize these architectures. The goal is to move beyond traditional data paradigms to accommodate the capabilities of Large Language Models (LLMs).

Anthropic

Anthropic's mission is to create reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. As a Performance Engineer, you will identify and solve novel systems problems that arise from running machine learning (ML) algorithms at scale. You will develop systems to optimize the throughput and robustness of our largest distributed systems. This role requires a strong track record of solving large-scale systems problems and a desire to become an expert in ML.

Clay is seeking a Data Science Manager to lead its Data Science and Analytics (DSA) team. This team acts as a center of excellence for experimentation, metric design, insights, and data-driven decision-making across all business functions. The manager will play a crucial role in shaping product and business strategy by partnering with executives, using data to set the internal narrative, and driving strategic influence within one of the fastest-growing AI businesses. The team leverages AI for data, notably with an in-house AI agent named "Monty" that has addressed self-serve analytics challenges. The ideal candidate will possess strong data intuition, product and business acumen, and exceptional data storytelling skills.

Clay is seeking an individual obsessed with product adoption to drive user engagement with new products through lifecycle channels and programs. This role will own the end-to-end lifecycle motion, including email and in-app communications, with the primary goal of accelerating the adoption of new features and products. The position involves both direct engagement through product launches and PLG plays, as well as indirect promotion of programs designed to deepen user engagement, such as ecosystem cohorts and workshops. A key aspect of this role is building the scalable infrastructure to automate transactional and one-off communications, and establishing a centralized dashboard for campaign performance tracking. The ideal candidate thinks in terms of conversion and adoption, enjoys building systems, and is driven to ensure new products successfully land with users.

Clay is seeking experienced technical leaders to drive business outcomes and impact across the engineering organization. In this role, you will leverage your technical expertise to shape strategic direction, execute complex projects, and elevate the team's overall effectiveness. Your contributions will extend beyond individual tasks, involving shaping architecture, mentoring engineers, and driving process improvements to enhance efficiency and scalability. The company offers a unique culture and has experienced significant growth, backed by prominent investors.

Clay is seeking a Software Engineer to join their Applied AI team, focusing on building and refining AI agents that go beyond simple text generation to perform complex, multi-step tasks for users. This role involves working closely with product and research teams to ensure these agents are not only capable but also reliable, steerable, and trustworthy for production use. The core challenge is bridging the gap between demo-worthy agents and those that can operate dependably unattended, translating model improvements into tangible benefits like task completion, reliability, and time savings for end-users.

Clay is seeking a Software Engineer for its Infrastructure and Platform teams. In this role, you will be responsible for the core systems that power all Clay products, focusing on scalability, reliability, and performance. You will work on how work is executed and scheduled at scale, how services handle concurrency, data storage and retrieval with low latency, and building shared foundations that product teams can extend. This is a high-impact role where your work directly influences the ability of product teams to ship new features and innovations.

Clay is seeking a backend product engineer to take ownership of the systems that power our customer-facing features. In this role, you will be responsible for the entire lifecycle of a product surface, from initial concept and design through rapid development, customer feedback, and continuous improvement for speed, reliability, and capability. This position requires a blend of product management and engineering expertise, offering numerous challenging problems and technical hurdles to overcome.

Clay is seeking a full stack product engineer to develop products that empower self-serve and enterprise customers to realize their growth aspirations. This role is pivotal in shaping Clay as a creative tool for business growth, requiring ownership of product surfaces across the entire stack. You will function as both a Product Manager and an Engineer, identifying problems, defining solutions, rapidly deploying them, and gathering customer feedback to ensure success. This position offers numerous engaging challenges and technical problems to solve.

Clay is seeking a Machine Learning Engineer to join its centralized Learning Team. This team is responsible for building the intelligence engine that powers learning loops across the entire product. You will be instrumental in shipping intelligence features that learn from customer data and behavior, including ranking and recommendation systems, new AI products, and the underlying ML platform. This role offers a unique opportunity to shape the architecture and set standards for a new, critical team at a rapidly growing company.

Clay is seeking a Software Engineer to join our Data Products & Platform team. This role is crucial in building data products that customers use directly and the underlying systems that accelerate the development of new products. The core of our work involves creating and maintaining a live map of the working world, encompassing companies, people, jobs, and their connections. This data is dynamic and often conflicting, requiring sophisticated methods to transform fragmented information into reliable, actionable insights for our customers. You will be instrumental in expanding this map to capture more business types, relationships, and global coverage, turning these gaps into new data products that launch to thousands of customers weekly.

Inflection AI

Inflection AI is seeking a hands-on Principal Engineer to lead the architecture and technical direction of its agentic AI systems. This role involves building production AI agents capable of reasoning, retrieving context, utilizing tools, and safely executing complex workflows. You will drive the design of scalable agent architectures, evaluation frameworks, observability, and reliability systems. Collaborating closely with product, design, and engineering teams, you will transform ambiguous problems into AI-native experiences, mentor senior engineers, and establish technical standards for the next generation of intelligent agents.

Fireworks is seeking a product-minded engineer to join their team and own the surfaces that make their AI platform, Nexus, a reality. Nexus is a drop-in platform designed to help engineering organizations reduce AI spend by routing workloads to high-performing open models. This role involves owning features end-to-end, from understanding problems and designing solutions to shipping and observing developer usage. You will be responsible for the intelligent router, cost-observability and enterprise-control layers, integrations, and core platform components like inference APIs and fine-tuning workflows. This is a high-autonomy individual contributor role on a small team, offering significant leverage and direct impact on a product that ships to production at scale.

Braintrust is seeking Developer Support Engineers, both mid-level and senior, who are passionate about helping developers overcome technical challenges and achieve their goals. In this remote role based in Singapore, you will troubleshoot issues, identify workarounds, ship fixes, and document findings to accelerate developer progress. This position combines technical problem-solving, developer empathy, and close collaboration with Engineering, Solutions, and Product teams. If you excel at solving complex problems, articulating technical concepts clearly, and improving the developer experience, we encourage you to apply.

LiteLLM is seeking an AI Engineer to join their team and contribute to the development of the world's most popular AI Gateway. This role involves ensuring LiteLLM unifies the format for calling LLM APIs, specifically focusing on the OpenAI + Anthropic spec. You will be responsible for writing transformations to convert API requests and building provider-agnostic unification functionality. This is a critical role where you will work directly with the CEO and CTO on system design, developer experience, and building across LLMs, MCPs, and Agents.

Luma is seeking a Principal Product Manager to bridge the gap between their frontier research and product offerings, including Canvas, Agents, and the model platform. This role involves shaping research priorities based on customer needs and ensuring that shipped products leverage the latest research advancements. You will operate within the research process, interpreting research papers and evaluations, building prototypes, and identifying commercially viable research directions. The ideal candidate is comfortable in a research environment, can influence without authority, and possesses the technical depth to validate ideas independently.

$30k - $60k

Harvey

Harvey is transforming professional services by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. We are a fast-growing company with strong product-market fit, seeking individuals who want to do the best work of their careers. As a Staff Software Engineer on the Model Infrastructure team, you will lead the design and development of the systems that power every AI request at Harvey. You will partner closely with AI Research, Product Engineering, and Infrastructure teams to build a highly reliable, scalable, observable, and efficient platform.

$236k - $290k

Harvey

Harvey is transforming how legal and professional services operate by combining frontier agentic AI, an enterprise-grade platform, and deep domain expertise. This role offers a rare chance to help build a generational company at a true inflection point, with strong product-market fit and world-class investor support. The team moves fast, takes ownership, and is deeply committed to the mission, operating with intensity and pushing for excellence. As the Engineering Manager for Model Infrastructure, you will lead the team responsible for the platform powering every model request across Harvey, partnering closely with AI Research, Product Engineering, and Infrastructure to ensure reliability, scalability, and cost-efficiency. This is a strategic engineering organization, critical for every product capability, and will evolve to build the infrastructure for Harvey to train, evaluate, deploy, and operate its own frontier AI models.

$260k - $340k

We are seeking a highly adaptable and results-oriented individual to join our team as a Senior Growth Lead. In this role, you will be responsible for driving growth initiatives across contributor recruitment, user reactivation, and new audience acquisition for Surge AI. You will work collaboratively across various functions, bringing structure to complex challenges and achieving significant outcomes with minimal supervision. This is an opportunity to own critical growth areas end-to-end, from strategy development to execution and iteration, in a fast-paced environment.

Surge is building a platform that powers the most powerful AI models in the world, in partnership with leading AI companies. Our mission is to advance AGI by integrating human intelligence and creativity into the data that shapes AI systems. We combine elite human expertise with cutting-edge tools for scalable oversight, from building rich RL environments to conducting rigorous evaluations. As a Research Scientist focused on data, you will work at the forefront of LLM development by designing datasets that influence how frontier models behave. You will collaborate directly with AI research teams to explore new data collection strategies, assess dataset quality, and discover insights that enhance alignment, safety, and model performance. This is a research-driven, impact-heavy role where you can rapidly test ideas in live production environments, influence data-centric methodologies for top AI labs, and help define how high-quality data drives the next generation of AI systems.