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Founding/Full-Stack Engineer (React/TypeScript, LLMs)

VanHack

VanHack

Software Engineering, Data Science
Toronto, ON, Canada
CAD 70k-100k / year
Posted on Oct 16, 2025

New

Posted 21 hours ago

Founding/Full-Stack Engineer (React/TypeScript, LLMs)

Toronto, Canada

Fully remote
$70,000 up to $100,000 CAD/Annual

Must-have skills

React.js
Typescript
Llm

Language required

English

What you’ll do

  • Own end-to-end product development across a React/TypeScript web app
  • Extend and harden our Supabase backend and analytics (PostHog, Amplitude)
  • Design, integrate, and iterate on LLM-powered features (incl. MCP server integrations)
  • Ship fast, validate with users, and help shape product direction and roadmap
  • Establish engineering standards, architecture, and tooling for a fast-moving 0→1 team
  • Collaborate closely on UX for an English-heavy consumer experience
  • Optional path: grow into Founding Engineer/CTO as we scale

Our stack

  • Frontend: React + TypeScript (responsive web; mobile app later)
  • Backend: Supabase (Postgres, Auth, Edge Functions)
  • Analytics: PostHog, Amplitude
  • AI: LLM integrations; MCP server prototype connected to OpenAI applets

What we’re looking for

  • Strong experience with React and TypeScript; comfort across the stack
  • Familiarity with LLMs and shipping AI-assisted product features
  • Experience in zero-to-one environments; comfortable with rapid change and ambiguity
  • Product-minded: pragmatic, opinionated when needed, communicates tradeoffs clearly
  • Excellent written/spoken English; appreciates nuance in consumer UX and copy
  • Nice to have: Supabase/Postgres, analytics instrumentation, OpenAI ecosystem, MCP

Why join

  • Direct impact as the first engineering hire on a high-velocity consumer product
  • Broad ownership from architecture to product decisions
  • Path to Founding Engineer/CTO for the right person