Software Architect – Generative AI – Fullstack Engineer

Job Description

Software Architect – Generative AI – Fullstack Engineer |

The Tone:
This is a full-time role, located in San Francisco, CA, operating in a hybrid environment. The company is a deep-tech startup building foundational machine learning models for multi-physics simulation, operating at the intersection of generative AI, physics, and high-performance computing. This position plays a critical part in developing the core product experience, shaping how engineers interact with advanced AI-powered simulations. The role involves translating cutting-edge research into scalable, production-ready systems with massive real-world impact.

The TL;DR
• Role: Full Time
• Type: Full-time
• Location: San Francisco, CA (Hybrid)

• Team: A small, highly technical team including multiple professors, PhDs, and a Nobel Prize winner.
• Mission: Own the full stack development, from frontend to AI agent orchestration, for the core product experience.
• Tech Stack: TypeScript, React, Next.js (App Router), RESTful APIs, Tailwind CSS, Radix UI, LangChain, LlamaIndex, AWS, Vercel

What You’ll Actually Do
• Platform Development: Design, build, and maintain the primary web platform that serves as the core product experience.
• AI Integration: Develop and integrate AI agent workflows into the system to enhance functionality and user interaction.
• Backend Services: Build and optimize RESTful APIs and backend services that power live data pipelines and application logic.
• Frontend Ownership: Own the frontend architecture, encompassing interactive 3D visualization, responsive UI components, and real-time feedback mechanisms.
• Deployment and Infrastructure: Manage the deployment process, CI/CD pipelines, and overall infrastructure for the web platform.

The Must-Haves
• Background: Education in Computer Science, Physics, or a related field. Prior relevant full-time or internship experience is preferred.
• Experience: Proficiency in TypeScript, React, and Next.js (App Router experience preferred). Experience building full-stack web applications with RESTful APIs and modern frontend tooling. Hands-on experience with agentic frameworks and integrating AI models into production applications.
• Skills: Strong capabilities in full-stack web development, frontend architecture, backend service development, and AI agent workflow integration.
• Bonus: Familiarity with 3D visualization libraries or scientific data visualization; experience with cloud deployment, CI/CD, and infrastructure management; strong opinions on UI/UX, system design, architecture, and performance tradeoffs.