Julius AI
Software Engineer - Product (Mid to Senior)
$150K–$200K
San Francisco, CA · Senior · Full-time · Posted Aug 6, 2026
- Experience
- 3+ years of experience with React, Next.js, and Tailwind CSS.
About the job
Build and scale Julius’s user-facing product interfaces for AI-powered data science and analysis, including experiences for tool use, reasoning, code generation and execution, and file and secrets management.
What you'll do
- Build products that bring AI capabilities to users.
- Design and implement intuitive, responsive, performant user interfaces.
- Optimize application performance and ensure cross-browser compatibility.
What they ask for
- 3+ years of experience with React, Next.js, and Tailwind CSS.
- Strong understanding of frontend primitives, including component architecture, state management, streaming UIs, and performance profiling.
- Experience scaling applications and backend systems, including relational databases, caching, background jobs, and auth.
- Examples of live projects or products built.
Nice to have
- Built an AI side project before.
- Likes prompting and experimenting with LLMs.
Pay
$150K – $200K USD base salary
Tools
React, Next.js, Tailwind CSS
AI focus
Build product interfaces for AI capabilities, including tool use, multi-step reasoning, code generation, and code execution.
Model-written summary · the original posting is authoritative