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Software Engineer, Fullstack

San Francisco💼 Full-time🗓 2025-11-15 → 2026-09-26

Core

Build the model serving platform and interactive AI Chat interface for real-time multimodal AI applications.

Role type

Senior Fullstack Software Engineer (AI Infrastructure)

Builds

Low-latency chat UI, Developer Console, API gateways, and CLI/SDK wrappers for AI model serving.

Domain

AI Infrastructure / High-performance Systems

Deliverable

product features

Required skills

TypeScript, Python, Frontend development, Responsive design, UX fundamentals, API gateway design, Streaming protocols (WebSockets/SSE)

Preferred skills

ML systems engineering, Inference engines (vLLM, Sglang, TRT-LLM), Stripe integration, FastAPI

Technologies

TypeScript, Python, Stripe, WebSockets, Server-Sent Events, FastAPI, vLLM

Responsibilities

Design and build a low-latency chat-like interface for testing LLMs; Build the mission-critical Developer Console UI; Integrate payment systems for subscription models; Create dynamic API reference documentation; Write client-side wrappers for API endpoints; Build secure API gateways with low-latency streaming solutions.

Seniority

Mid-Senior, hands-on IC

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