Anthropic

Anthropic

We are seeking an Applied AI Engineer to join our Beneficial Deployments team, with a specific focus on maximizing the impact of Claude within the life sciences sector. The primary objective is to significantly accelerate scientific progress across research and development, from early academic discovery to paradigm-shifting biotech and reimagined pharma pipelines. This role involves working directly with leading research partners, embedding within their scientific workflows, and prototyping AI agents that integrate into real research processes. You will also develop essential ecosystem-level tooling, such as MCP servers, benchmarks, and reusable agent skills, to enhance Claude's utility across the broader life sciences community. This position is part of the foundational Beneficial Deployments applied AI team, dedicated to advancing life sciences towards the technological frontier.

$280k - $320k

Anthropic

Our Inference team is responsible for building and maintaining the critical systems that serve Claude to millions of users worldwide. We bring Claude to life by serving our models via the industry's largest compute-agnostic inference deployments. We are responsible for the entire stack from intelligent request routing to fleet-wide orchestration across diverse AI accelerators. The team has a dual mandate: maximizing compute efficiency to serve our explosive customer growth, while enabling breakthrough research by giving our scientists the high-performance inference infrastructure they need to develop next-generation models. We tackle complex, distributed systems challenges across multiple accelerator families and emerging AI hardware running in multiple cloud platforms.

€295k - €355k

Anthropic

Our Inference team is responsible for building and maintaining the critical systems that serve Claude to millions of users worldwide. We bring Claude to life by serving our models via the industry's largest compute-agnostic inference deployments. We are responsible for the entire stack from intelligent request routing to fleet-wide orchestration across diverse AI accelerators. The team has a dual mandate: maximizing compute efficiency to serve our explosive customer growth, while enabling breakthrough research by giving our scientists the high-performance inference infrastructure they need to develop next-generation models. We tackle complex, distributed systems challenges across multiple accelerator families and emerging AI hardware running in multiple cloud platforms.

€235k - €295k

Anthropic

Anthropic's mission is to create reliable, interpretable, and steerable AI systems, believing that powerful AI can accelerate scientific progress. The Claude Science team is building an AI workbench that consolidates tools for researchers, enabling them to manage literature, databases, scientific computing, analysis, and output generation within a single environment. This role offers the opportunity to shape a new product category, influencing both the product and its architecture. You will act as a technical leader, focusing on the end-to-end researcher experience, collaborating with internal research teams to integrate model capabilities into production, and taking ownership of future product development.

$405k - $485k

Anthropic

Anthropic is seeking a Manager of Applied AI Engineering to lead a team of technical engineers embedded with their largest and most strategic accounts. These partner-customers are key revenue drivers and distribution channels, utilizing Claude to transform their businesses. The team will work hands-on with these organizations, co-designing technical solutions, advising on architecture, developing evaluation frameworks, and guiding advanced implementation patterns for LLMs. The manager will be responsible for hiring, coaching, and growing the team while maintaining technical oversight and setting high engineering standards. This role involves close collaboration with various internal teams and external stakeholders to drive technical impact and shape Anthropic's product and research roadmap.

$320k - $405k

Anthropic

Anthropic's Environments organization is responsible for building and maintaining the infrastructure that enhances Claude's capabilities through reinforcement learning. This includes developing frameworks for researchers to build environments and the underlying infrastructure for running them, with a core mission to productionize research. The role involves embedding with research teams to understand their workflows and designing frameworks and APIs that accelerate their progress, ensuring these systems are understandable, ownable, and maintainable. A significant part of the role also includes ensuring the health, maintainability, monitoring, and ease of triage for production RL runs. The ideal candidate will possess deep Python expertise, a strong sense of API and framework design, and an intuitive understanding of complex system failures, particularly silent ones. Experience with stateful distributed systems like workflow engines or actor frameworks is a plus. The role requires comfort in navigating and abstracting complex research codebases, incrementally improving them while research continues, and leveraging AI tools for development with a focus on verification.

$405k - $605k

Anthropic

As a member of the Applied AI team at Anthropic, you will be an Applied AI Engineer supporting a dedicated national security mission program. You will serve as the customer's trusted technical advisor, working closely with their engineering and mission teams as they build and ship new capabilities powered by Claude. This involves advising on architecture design decisions, developing evaluation frameworks, and guiding them through cutting-edge implementation patterns for LLMs. You will combine deep engineering expertise and cyber domain knowledge with customer-facing skills to help the customer unlock the full potential of Claude and move their mission capabilities closer to the frontier, while maintaining Anthropic's high standards for safety and reliability.

$280k - $320k

Anthropic

Anthropic is building AI systems that are safe, beneficial, and transformative, with the mission to develop AI that benefits humanity. This role focuses on applying Claude to scientists and engineers working on hard problems in energy, materials, hardware design, and other physical-world fields. The team builds the necessary software, including agent harnesses, integrations, evaluations, and working processes, to turn a partner's problem into something Claude can make progress on and validate. This is an engineering role where you will work closely with domain experts, become proficient in using Claude for their specific fields, and prototype quickly. The primary focus is on building and hardening systems to make this work repeatable, rather than just configuring existing products. A science or engineering background is beneficial, but the ability to earn the trust of expert researchers, translate fuzzy problems into concrete and verifiable tasks, and ship solutions is paramount.

$405k - $485k

Anthropic

Our team studies how large teams of agents scale to solve complex problems that a single agent cannot, such as rewriting major codebases or formalizing mathematics. We investigate the impact of increasing agent numbers, compute budget, and task length on performance, cost, and coordination. This role bridges research and engineering, involving designing and running large experiments, building the necessary systems, and analyzing surprising results. We aim to move quickly from vague questions to running experiments, developing the platform and evaluations Anthropic uses to measure and manage large agent teams.

$500k - $850k

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

Anthropic

Reinforcement learning (RL) is crucial for Claude's ability to reason, write code, and act autonomously over long horizons. This role is part of the team responsible for building and maintaining the RL training system, which is used to train production models and for researchers across Anthropic to run their experiments. The team collaborates closely with research teams company-wide on the science and engineering required to scale RL effectively. As a Research Engineer, you will be at the heart of RL at Anthropic, with a direct view of RL training at the frontier, as the system you own supports both production and research runs. You will work with collaborators across research teams to understand system performance, identify areas of fragility, and drive future improvements.

$500k - $850k

Anthropic

Anthropic is dedicated to building AI systems that are safe, reliable, and steerable, aiming to benefit both users and society. This role is central to advancing Reinforcement Learning (RL), the core technology enabling Claude's reasoning, coding, and autonomous capabilities. The RL Scaling team focuses on how RL performance, stability, and learning efficiency evolve with increasing model size, episode length, and compute power. You will be instrumental in developing and scaling next-generation RL algorithms and architectures, from initial research to large-scale deployment, while deeply understanding and addressing the challenges that arise at scale. This position bridges research and engineering, requiring you to build the systems that accelerate iteration and experimentation, and to tackle complex, unsolved problems in Anthropic's largest RL runs.

$500k - $850k

Anthropic

Reinforcement learning is crucial for training AI models to reason, write code, and act autonomously. At scale, this process involves a demanding distributed system where training, sampling, and environment execution run concurrently across a large fleet of accelerators and hosts. This system must continuously exchange data and maintain progress despite hardware failures, shifting loads, and evolving research. The efficiency of this system directly impacts learning outcomes and the speed of research iteration. As a Research Engineer on the Distributed Systems team within RL Engineering, you will focus on the most critical bottlenecks within this system. This could involve areas like scheduling, data movement, sandboxed environment execution, storage, networking, fault tolerance, autoscaling, or observability. The role seeks generalist engineers capable of reasoning from first principles across different system layers and prioritizing impactful problems over familiar ones. The ideal candidate will have experience building and operating large distributed systems, a commitment to detail, and a desire to apply their expertise to a complex, heterogeneous, and rapidly changing workload.

$500k - $850k

Anthropic

The Account Abuse team is responsible for ensuring Anthropic's computing capacity is allocated fairly by minimizing resources for bad actors and preventing their return. As a software engineer on this team, you will build the machine learning systems that detect and stop abuse at scale. The ideal candidate can anticipate opponent strategies and responses to countermeasures. This role involves full-stack machine learning engineering across model training, productionization, and evaluation, with opportunities to leverage Claude to accelerate model development and maintenance. The focus is on classical ML applied to structured and behavioral data, emphasizing robust production systems, precise measurement, and safe rollout strategies, as false positives can lead to legitimate customer lockout.

$320k - $485k

Anthropic

Anthropic is building reliable, interpretable, and steerable AI systems to be safe and beneficial for users and society. The Cloud Inference team is responsible for scaling and optimizing Claude to serve massive audiences across AWS, GCP, Azure, and other cloud providers. This involves owning the end-to-end product on each platform, from API integration and intelligent request routing to inference execution, capacity management, and operations. Engineers on this team are highly leveraged, driving multiple revenue streams while optimizing compute resources. The role requires product-minded backend engineers who can navigate platform differences, design cross-provider services and abstractions, and make architectural decisions for reliability and cost-effectiveness at massive scale. The work directly contributes to increasing service scale, accelerating the launch of new models and features, and ensuring LLMs meet rigorous safety, performance, and security standards.

$320k - $485k

Anthropic

The Cloud Inference team is responsible for scaling and optimizing Claude to serve massive audiences of developers and enterprise companies across major cloud platforms like AWS, GCP, and Azure. Within this team, the model & inference launch team focuses on the validation pipeline for inference servers and load balancers. This critical infrastructure work ensures that every inference change, including new model launches and performance improvements, is deployed with correctness, performance, and reliability. The goal is to make validation fast, cost-effective, and trustworthy, directly impacting how quickly advanced models and features reach users on all cloud platforms and how efficiently compute resources are utilized.

$320k - $485k

Anthropic

The Computer Use team at Anthropic focuses on enabling Claude to interact with computer interfaces and builds the necessary agent harness and end-user products. This team is integral to the research organization, bridging the gap between product development and model capabilities. As a Product Engineer, you will be responsible for the complete lifecycle of our computer-use and browser-control product surfaces, working across the full stack from user interface to agent runtime and backend services. You will collaborate directly with researchers, ensuring a close connection to the model and user experience. This role demands adaptability, a high tolerance for ambiguity, and the ability to prioritize effectively in a fast-paced environment where priorities frequently shift.

$300k - $320k

Anthropic

Anthropic's production models undergo sophisticated post-training processes to enhance their capabilities, alignment, and safety. Decisions in production training depend on knowing how the model is really behaving. This role's mission is to have the best observability into production post-training runs at Anthropic, providing the clearest, most trusted view of model quality during training. You will shape what gets measured, keep the signal trustworthy and timely, and investigate surprising results to inform post-training and release decisions.

$500k - $850k

Anthropic

Anthropic is dedicated to building reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. This role focuses on Multi-Agent systems, which are increasingly vital for AI deployment, from small subagents within products to large groups tackling complex problems. Training Claude for optimal performance and safety in these large groups is a challenging new frontier in reinforcement learning and a new way to scale compute at test time.

$500k - $850k

Anthropic

Anthropic's mission is to create reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society. The Vision team is seeking a research engineer to focus on visual and spatial reasoning as core capabilities for LLMs. This role involves owning the end-to-end process of creating training data and RL environments for visual knowledge work. You will identify tasks, build evaluations, design rewards, and scale data, combining applied research with hands-on data work. Collaboration with external vendors, pretraining, RL, and product teams is essential to ensure the environments built translate into real-world knowledge work capabilities.

$350k - $850k