Staff Software Engineer, Anthropic
Claude Developer Platform - Backend
$320-405k
3-5 days a week in office
AI safety and research company
Be an early applicant
AI safety and research company
1001+ employees
Be an early applicant
$320-405k
3-5 days a week in office
1001+ employees
Company mission
To create reliable, interpretable, and steerable AI systems.
Role
Who you are
- Have 7-10+ years building production full-stack software with a focus on usability
- Have strong communication skills and user empathy to understand needs
- Are an expert in modern web development stacks (React, Next.js, etc)
- Have demonstrated a strong product mindset and a focus on iterative product development
- Startup experience, building products from zero to one
- Experience building APIs and/or developer products for external developers
- We encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listed
Desirable
- Have experience with React and frontend frameworks
- Have experience with REST APIs
- Have experience building products for developers
What the job involves
- Anthropic is looking for a product-minded engineer to build a world-class developer experience for the Anthropic API
- You’ll build the tools to accelerate developers from idea to deployment
- In particular, you'll help figure out how to leverage Claude to improve developer's usage of the API, such as generating and evaluating prompts
- You’ll collaborate closely with other product teams to bring Claude's current and future capabilities to developers
- We have multiple roles open on this team and are looking for experienced engineers at different stages in their career who are excited about this space and our mission
- Build out the frontend and backend for helping developers bring their applications to production
- Partner with partner teams ensure sure new product features are integrated into the developer console in an intuitive way
- Use product sense to propose and implement improvements to the developer experience of using the API
- Work with researchers to understand new model capabilities and design unique products that help users maximize their use of the Anthropic API
Application process
- Deadline to apply: None. Applications will be reviewed on a rolling basis
Our take
Funded by Google and founded by ex-OpenAI employees, Anthropic is an AI company focused on building a reliable, innovative AI system. While the company is relatively new to the market it has already launched a highly anticipated AI chat assistant called Claude which is set to rival OpenAI's ChatGPT.
Similar to other chatbots, Claude is accessible through a chat interface and can provide a number of conversation and text-processing tasks. A key point of differentiation is that Claude is designed to produce less harmful outputs than that of the other chatbots that came before it.
While there is much praise for the chat assistant, there is still room for improvement with feedback reporting that Claude is worse at maths and grammar compared to its rival. However, with industry giants like Google backing this company from an early stage, and a monumental Series F round of $13 billion awarded in 2025, the company is planning to enhance Claude and expand its presence in Europe. What's more, Anthropic's commitment to "Constitutional AI" positions it as a leader in the responsible development of artificial intelligence.
Freddie
Company Specialist at Welcome to the Jungle
Insights
190% employee growth in 12 months
Company
Funding (last 2 of 13 rounds)
Sep 2025
$13bn
SERIES F
Mar 2025
$3.5bn
SERIES E
Total funding: $29.3bn
Company benefits
- Comprehensive health, dental, and vision insurance for you and your dependents
- Inclusive fertility benefits via Carrot Fertility
- Generous subsidy for OneMedical
- 21 weeks of paid parental leave
- Unlimited PTO
- Optional equity donation matching at a 3:1 ratio, up to 50% of your equity grant
- 401(k) plan with 4% matching
- $500/month flexible wellness stipend
- Commuter coverage
- Annual education stipend
- A home office improvement stipend when you first join
- Relocation support for those moving to the Bay Area
Company HQ
SoMa, San Francisco, CA
Leadership
Dario Amodei
(Co-Founder & CEO)Spent almost 5 years at OpenAI as a Team Lead for AI safety and as the Vice President of Research. Also worked as a Research Scientist at Google.
Jared Kaplan
(Co-Founder & Chief Science Officer)Has been a Professor at John Hopkins University for the past 10 years. Also an experienced researcher having worked previously at OpenAI and the SLAC National Accelerator Laboratory.
Jack Clark
(Co-Founder)Experienced reporter having worked previously at the Register and Bloomberg. Also worked for OpenAI in Strategy and Communications and as a Policy Director.
Sam McCandlish
(Co-Founder & CTO)Graduated from Stanford University with a PhD in Theoretical Physics. Previously worked as a Research Lead at OpenAI.
Tom Brown
(Co-Founder)Previously worked as a Member of the Technical Staff for both OpenAI and Google Brain.
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