Anthropic · 3 hours ago
Software Engineer, UI Platform
San Francisco, CA | New York City, NY
Full-time
Hybrid
Senior Level
$320K/yr - $405K/yr
5+ years expAnthropic is a public benefit corporation focused on creating safe and beneficial AI systems. They are seeking a Software Engineer for their UI Platform team to design and build shared components and improve developer experience across their product teams.
Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Responsibilities
Design and build shared UI components, libraries, and abstractions that product teams across Anthropic use to ship consistently and efficiently on web and mobile
Contribute to the BFF API layer that powers Claude.ai's client applications—thinking carefully about clean contracts, performance, and reliability at the boundary between frontend and backend
Improve developer velocity across the organization by reducing friction in our build, deploy, and testing pipelines
Work on performance and reliability: identify and resolve latency issues, improve observability, and help establish high standards that the rest of the platform team can build on
Partner closely with product engineering teams to understand their needs, unblock them when possible, and shape platform investments around where the most impact is
Help maintain and evolve documentation and tooling that make the platform approachable for engineers joining or building on top of it
Qualification
Required
Have 5+ years of software engineering experience, with significant time spent building shared platforms, developer tools, or infrastructure that other engineers rely on
Have strong practical skills in modern web technologies (React, TypeScript, Next.js) and experience designing or consuming APIs that serve frontend applications
Care about developer experience and have a track record of building things that make other engineers more productive
Have solid instincts around reliability, observability, and performance—and enjoy operationalizing those instincts in production systems
Thrive in fast-paced, collaborative environments and enjoy working closely with cross-functional partners
Pick up slack, even if it goes outside your job description
Education requirements: We require at least a Bachelor's degree in a related field or equivalent experience
Preferred
Building shared component libraries or design systems for multiple surfaces (web, mobile, desktop)
BFF architectures and API patterns that balance flexibility with consistency across client platforms
Performance optimization and latency reduction in consumer-facing applications
CI/CD, build systems, and deployment automation
Observability and monitoring (metrics, logging, tracing)
Working on AI/ML products or in rapidly evolving product environments
Benefits
Optional equity donation matching
Generous vacation and parental leave
Flexible working hours
Company
Anthropic
Anthropic is an AI research company that focuses on the safety and alignment of AI systems with human values.
501-1000 employees
H1B Sponsorship
Anthropic has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (105)
2024 (13)
2023 (3)
2022 (4)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$33.74BKey Investors
Lightspeed Venture PartnersGoogleAmazon
2025-09-02Series F· $13B
2025-05-16Debt Financing· $2.5B
2025-03-03Series E· $3.5B
Leadership Team
Dario Amodei
Co-Founder and CEO
Daniela Amodei
President and co-founder
Recent News
2026-02-04
2026-02-04
Company data provided by crunchbase