Founding Software Engineer - Backend and Infrastructure unsiloed.aiFounding Software Engineer - Backend and InfrastructureSan Francisco, CaliforniaWhat you Will Do As a Founding Software Engineer, you will own the entire technical stack end-to-end, from core infrastructure and production systems to deployment, reliability, and developer experience. Architect, build, and scale core backend systems powering document intelligence and VLM-based workflows.
Senior Software Engineer, Data Platform ParafinSenior Software Engineer, Data PlatformSan Francisco, CaliforniaLead projects to improve data quality, testing, observability, and cost efficiency across existing pipelines and backend systems (e.g., migrating Databricks SQL pipelines to dbt, scaling data ingestion, improving data-lineage tracking, and enhancing monitoring). Own the Data & ML platform infrastructure using Terraform, including end‑to‑end administration of Databricks workspaces: manage user access, monitor performance, optimize configurations (e.g., clusters, lakehouse settings), and ensure high availability of data pipelines.
Senior Software Engineer - Developer Experience & AI Enablement Grow TherapySenior Software Engineer - Developer Experience & AI EnablementSan Francisco, CA$200,000–$250,000 / yearWhat You'll Be Doing: Design and implement Grow's internal AI control plane and tooling ecosystem, including MCPs, AI skills frameworks, and secure connectors to internal systems such as our code, data warehouses, CRMs, finance tools, and internal databases. You'll Be a Good Fit If: You have 5+ years of experience in software engineering, platform engineering, or infrastructure roles with hands-on experience building AI-enabled systems (LLMs, skills, MCPs, orchestration frameworks, etc).
Software Engineer, Connectors & MCP WriterSoftware Engineer, Connectors & MCPSan Francisco, CAFounded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. You'll dive deep into developing a state-of-the-art platform that leverages cutting-edge generative AI technologies, from large language models to sophisticated agentic workflows, delivering seamless, scalable, and secure applications that redefine enterprise productivity.
Staff+ Software Engineer, Experimentation AnthropicStaff+ Software Engineer, ExperimentationSan Francisco, CAThis role focuses on the configuration and experimentation systems that let teams safely roll out changes, run controlled experiments, and make data-driven decisions across our products and infrastructure - from feature flagging and dynamic configuration to A/B testing platforms that support both research and production workloads. The systems we build determine how quickly we can train new models, how reliably we can run safety experiments, and how effectively we can scale Claude to millions of users - demonstrating that safe, reliable infrastructure and frontier capabilities can go hand in hand.
Software Engineer, Product (Frontend-Leaning) AssembledSoftware Engineer, Product (Frontend-Leaning)San Francisco, CA$140,000–$210,000 / yearWith AI Agents that resolve cases end-to-end, AI Copilot for agent assistance, and AI-powered workforce management that optimizes both human and AI capacity, Assembled helps teams deliver faster, better service while making smarter decisions about how to staff and automate. Build product experiences end to end- Own customer-facing features from concept through production across frontend, backend, APIs, data models, and AI-powered workflows.
Staff+ Software Engineer, Backend AnthropicStaff+ Software Engineer, BackendSan Francisco, CAYou'll independently scope complex, multi-month projects through ambiguous problem spaces and lead peers through technical and product decisions; you'll drive alignment with product, peer engineering teams, and research to identify capability gaps and translate frontier model improvements into shipped products. This critical effort partners with Safeguards, Auth & Identity, Policy, and Product teams across API, Claude.ai, and third-party platforms as customers, creating the systems for KYC/KYB, trust grant issuance and inheritance, and end-user verification that flow across every Anthropic surface.
Staff Software Engineer, Frontend Harvey, Inc.Staff Software Engineer, FrontendSan Francisco, CA$238,000–$290,000 / yearAs a Staff Software Engineer, Frontend at Harvey, you will own and lead engineering projects that define the user experience of our different products: Assistant, Vault, Workflows, and Harvey in Microsoft Word and Outlook. Lead end-to-end UI features for Assistant, Vault, Workflows, our Word/Outlook add-ins, and future Harvey products - from scoping and design reviews to implementation, launch, and iteration.
Staff+ Software Engineer, Platform AnthropicStaff+ Software Engineer, PlatformSan Francisco, CAThis critical effort partners with Safeguards, Auth & Identity, Policy, and Product teams across API, Claude.ai, and third-party platforms as customers, creating the systems for KYC/KYB, trust grant issuance and inheritance, and end-user verification that flow across every Anthropic surface. Agentic Systems: You'll build the infrastructure and APIs that let developers create powerful agentic applications on the Claude API - including Claude Managed Agents, our managed platform for deploying and running agents in production.
Entry Level Software Engineer BRMEntry Level Software EngineerSan Francisco, CaliforniaEducation & Experience: Recent graduate (within 3 years) with a degree in Computer Science, Engineering, or related field AND at least 1 internship, significant class project, or demonstrable coding experience through personal projects or open source contributions. You'll work alongside experienced engineers to revolutionize the inbox experience, refine legal and finance request workflows, and empower AI-driven assistants.
Model Performance Software Engineer, Claude Code AnthropicModel Performance Software Engineer, Claude CodeSan Francisco, CAThis is a senior individual contributor role for someone who has already built and owned systems at significant scale, and who is ready to operate as a technical leader: driving architecture, mentoring engineers, and influencing the direction of Claude Code itself. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.
Staff Software Engineer, Web Platform AnthropicStaff Software Engineer, Web PlatformSan Francisco, CAThis means designing and shipping shared components and design-system-level abstractions, evolving the backend-for-frontend (BFF) APIs that power our client applications, and improving the build, deploy, and observability systems that keep Claude.ai running smoothly across surfaces. This is a great fit if you care deeply about developer experience and want your engineering work to have outsized leverage: instead of shipping one feature, you're building the tools and systems that make dozens of features possible.
Software Engineer, Infrastructure MiddeskSoftware Engineer, InfrastructureSan Francisco, CaliforniaWe've also expanded beyond business verification to help companies form, register, manage, and maintain their businesses, supporting more than 50,000 companies in setting up over 100,000 accounts required to hire employees, run payroll, and stay compliant. We started by creating a comprehensive platform for understanding businesses, bringing together authoritative and proprietary data to help customers verify business identities, onboard customers faster, and manage risk throughout the customer lifecycle.
Software Engineer - Testing Frameworks BaseTenSoftware Engineer - Testing FrameworksSan Francisco, CAYour focus is the full testing stack: fast and reliable unit test tooling, integration harnesses that spin up realistic environments on demand, load and performance testing for GPU-backed inference workloads, and resilience testing that deliberately breaks things so our customers never have to find out what happens when a node dies mid-request. Deep experience with testing frameworks and their internals - pytest, Go's testing package, testify, testcontainers, or equivalents - including the ability to extend them, not just use them.
Software Engineer, Research Tools AnthropicSoftware Engineer, Research ToolsSan Francisco, CAThis research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. Whether you're building human feedback interfaces for model evaluation, creating platforms for experiment orchestration, or developing novel visualization tools for understanding model behavior, your work will directly accelerate our mission to build safe, reliable AI systems.
Software Engineer - Training Infrastructure BaseTenSoftware Engineer - Training InfrastructureSan Francisco, CAFamiliarity or experience with the open source training stack and frameworks (NCCL, PyTorch, Megatron, NemoRL, VeRL, Axolotl, HF Trainer) and distributed training techniques (FSDP, DeepSpeed). By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production.
Software Engineer, Backend ServalSoftware Engineer, BackendSan Francisco, CaliforniaFounded in early 2024, Serval is already trusted by companies like Fox, Notion, Perplexity, Vercel, and Brex to automate high-volume, high-friction operational work across their organizations. Long term, we’re building the universal AI operations layer — a system of agents that sits across business functions and runs the workflows that keep modern companies moving.
Staff Software Engineer, Issue Workflow SentryStaff Software Engineer, Issue WorkflowSan Francisco, CAYou'll be the technical leader who shapes how Sentry groups issues, how we make search lightning-fast, how we enable sophisticated agentic workflows, and how we ensure that the product is performant even at billions-of-events scale. You'll work at the intersection of high-scale distributed systems and product engineering, building real-time data pipelines, search backends, and analysis systems that surface signal from noise.
Software Engineer, Public Sector Application DittoSoftware Engineer, Public Sector ApplicationSan Francisco, CaliforniaDevelop and Extend ATAK Plugins: Lead the design, development, and field deployment of custom ATAK (Android Team Awareness Kit) plugins that integrate our platform 's data synchronization capabilities directly into the warfighter's primary situational awareness tool. Build Android-Native Integrations: Architect and develop performant Android applications and services that run on tactical end-user devices, ensuring reliable operation in disconnected, intermittent, and low-bandwidth (DIL) environments.
Lead Software Engineer - Linux Infrastructure Platform JPMorgan Chase Bank, N.A.Lead Software Engineer - Linux Infrastructure PlatformSan Francisco, CAFull timeUsing AI to test and certify new Red Hat operating systems, create multiple image formats, and develop end-to-end automation capabilities using Ansible, Terraform, Jenkins, Bash, and Python, while exploring opportunities to learn and code with Python, Go, Rust and AI agents like Claude and Co-Pilot. As a Lead Software Engineer- Linux at JPMorgan Chase within the Corporate Sector Compute Infrastructure Platform (CIP) organization, you exhibit both depth and breadth of knowledge regarding software, applications, and technical processes across multiple technical disciplines.