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StackedSP Inc

Client Intelligence Startup: Fullstack Software Engineer (Ruby on Rails)

StackedSP Inc Toronto Today
engineering
About the Company:
Company Size: <10
 Industry: AI SaaS, Fintech
 Stage: Pre-Seed
 Funding: ~$3M raised from leading early-stage investors
Tech Stack: Ruby on Rails, React, TypeScript, GraphQL, GCO, and others
 Location: Hybrid – Toronto

We’re working with a pre-seed, Toronto-based AI SaaS company backed by top early-stage investors (they’ve raised ~$3M to date). The founding team are repeat operators with deep product and startup experience, and they’re building a platform that turns conversations, emails, and notes into structured workflows — helping advisors eliminate admin and deliver personalization at scale. The product is live with early traction, and they’re now hiring a Fullstack Software Engineer to join their small, fast-moving team.

About the Role – Fullstack Software Engineer (50/50 split)
This is a true fullstack role: you’ll work across both the frontend and backend, owning feature development end-to-end. You’ll collaborate closely with product and design to build responsive, intuitive interfaces — and partner with fellow engineers to scale the backend that powers their AI-native workflows.You’ll have a major voice in how the platform evolves, with the opportunity to help shape the codebase, product experience, and engineering culture from the ground up.

What You’ll Tackle:

  • Build core product features across both the backend and frontend
  • Work with React, TypeScript, and GraphQL to develop clean, performant UIs
  • Contribute to backend infrastructure in Ruby on Rails, powering LLM workflows
  • Integrate with tools like Zoom, Gmail, and Salesforce
  • Collaborate with a tight-knit team on fast-paced shipping and iteration
  • Help define internal standards and influence technical direction

    • What You'll Bring:

  • 4–6 years of experience building fullstack web apps
  • Strong experience with React, TypeScript, and GraphQL
  • Working knowledge of Rails (or interest in getting deep)
  • Appreciation for clean UI, strong UX instincts, and component architecture
  • Interest in building AI-native products and shipping early-stage software
  • Someone collaborative, curious, and excited to move fast in a high-trust environment
  • Nice to Have: GCP experience, LLM integration work, or prior SaaS product exposure

    • Why You’ll Want to Join:

  • Founding team with deep product and startup experience
  • High ownership: shape both product and codebase from day one
  • Real-world AI use case, already gaining market traction
  • Backed by respected early-stage investors
  • Competitive compensation + equity

    • Sponsored

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    Skills in this job

    Typescript Fullstack Rails React Ruby

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