Quick Take
Senior Full-stack Software Engineer role on the Product Engineering team at Anthropic in San Francisco, New York, or Seattle (Hybrid, 25% in office). Requires 6+ years of experience. You will build user-facing consumer and enterprise features across Claude.ai and Claude Code using React, TypeScript, and distributed backend systems.
🏢 About Anthropic
Anthropic is an AI safety and research public benefit corporation dedicated to building reliable, interpretable, and steerable AI systems. Headquartered in San Francisco, Anthropic develops foundational language models and products like Claude that empower millions of consumers, developers, and global enterprise organizations.
🎯 The Role
Anthropic's Product Engineering team is looking for experienced engineers with strong full-stack fundamentals to build current and emergent AI products. You will be a technical leader who thinks holistically about the end-user experience across Claude.ai, Claude Code, enterprise deployments, and developer tools. Operating in a hybrid model (25% in office), you will own features end-to-end, from user interface polish down to backend microservices and model orchestration layers.
🛠️ Tech Stack
- React, Modern JavaScript & TypeScript
- Python & Node.js Backend Services
- RESTful APIs, GraphQL & Real-Time Streaming Protocols
- Distributed Cloud Infrastructure (AWS / GCP)
- Modern CSS & Design Systems
- Automated Testing & CI/CD Deployment Pipelines
💼 What You'll Do
- Architect, build, and ship full-stack features across consumer and enterprise Claude product applications.
- Partner with product managers, designers, and research teams to turn research breakthroughs into intuitive user workflows.
- Develop responsive web interfaces and robust backend integration layers for AI model streaming.
- Establish engineering standards, code hygiene, and reusable architectural patterns.
- Optimize end-to-end performance, treating latency, responsiveness, and uptime as first-class metrics.
- Participate in on-call rotations and lead root-cause investigations to keep services resilient.
✅ What You'll Need
- 6+ years of practical full-stack software engineering experience delivering complex user-facing products.
- Deep proficiency with modern frontend development (React, TypeScript) and backend services.
- Experience working in fast-moving startup environments building products from zero to one.
- Demonstrated track record of technical leadership and cross-functional alignment.
- Passion for user experience, design craft, and system reliability.
🌟 Nice to Have
- Prior experience building AI/LLM-integrated web applications or developer tooling.
- Background in enterprise identity, security, or compliance controls.
Why This Role?
This is a curated frontend role from Anthropic. Every listing on OnlyFrontendJobs is hand-picked for frontend relevance and quality. The tech stack leans on React, TypeScript, Node.js and more. Tagged 💰 High Comp for above-market pay.
Senior Software Engineer, Full-stack at Anthropic — FAQ
Quick answers about this role, the stack, and how to apply.