All openings

Role 1 · Engineering and product

Senior Full-Stack Developer

Build the web platform, from launch through everything that follows, and contribute directly to the technical vision and the roadmap. The platform is already in production (TypeScript · React · Tailwind · PostgreSQL · Stripe · AI), with an official launch in the fall of 2026 across Greater Montreal.

Full timeHybrid · downtown Montreal

What you will do

  • Contribute to the technical vision and the roadmap for the platform.
  • Build the web platform, from launch through everything that follows, alongside the product and marketing teams.
  • Put the deployment pipeline (CI/CD), automated tests and observability in place.
  • Lead the move to Canadian cloud hosting and to data sovereignty.
  • Keep us compliant with the data protection laws (Loi 25, PIPEDA) and with security best practices (OWASP).
  • Guide how the team develops with AI, and put AI-assisted automation in place.
  • Maintain and extend the critical API integrations (payments, video, LLM).

Who we are looking for

  • Fluent in AI-assisted development and in modern coding tools.
  • SaaS and marketplace expertise; full-stack TypeScript, React and Tailwind CSS.
  • Serverless architectures (AWS, Azure, GCP), PostgreSQL and caching.
  • A bachelor’s or a master’s in computer science or software engineering, or equivalent experience.
  • 5+ years in web development; 2+ years as a technical lead (preferred).
  • Experience in health or SaaS, and with Canadian data sovereignty (an asset).
  • Beyond credentials, what we look for is attitude, curiosity and ambition.
Downtown Montreal (St-Denis and Sherbrooke) · hybridCompetitive pay, based on experience

Does this role sound like you?

Write to us with your CV and what draws you to heysimone. We reply to everyone who applies.