Founding Product Engineer (Systems & UX)

San Francisco

**What We're Building** Candid is building the software that industrial engineers use to run and review pre-construction workflows for compute and energy infrastructure. These tools support decisions that cost millions of dollars, so they need to be fast, inspectable, and safe to use in production. **What You'll Do** * Build high-quality React/TypeScript interfaces for viewing, editing, and overriding AI-generated workflows. * Design backend systems that support secure execution, stateful workflows, and large-scale document ingestion. * Build feedback loops that turn user interactions into structured signals for improving the AI. * Own features end-to-end across frontend, backend, and infrastructure. **Tech Stack** * React, TypeScript, Tailwind, Next.js * Python (FastAPI), Postgres/Supabase, Redis * AWS, Docker, CI/CD **Desirable Quirks** * Opinionated about UX, interaction design, and system boundaries * Keeps components modular and APIs clean * Cringes at clunky UIs or inefficient backend queries * Has good intuition for how humans should interact with complex systems * Cares about building tools that feel polished, calm, and serious **Desirable Experience** ***(any of these will pique our interest)*** * Built complex, interactive web products (editors, internal tools, canvases) * Early or founding engineer at a YC-backed company * Experience shipping production software used by technical users * Technical founder at a VC-backed startup Compensation Range: $150K - $200K