Full stack developer Jobs in Montreal-Ouest, QC

Salary: $90,000 - 125,000 per year

Requirements:

• 5+ years of web development experience, including at least one production application using PostgreSQL or Supabase.
• Led or co-led at least one production migration involving a server, database, or cloud environment, with no client downtime.
• Comfortable using AI tools such as Claude Code, Cursor, or equivalent, and reviewing code written by others.
• Strong security practices, including per-client access controls, secrets management, and handling personal data in accordance with Quebecs Law 25.
• Self-directed, able to diagnose server issues independently and explain technical decisions to non-technical people.
• Spoken and written French; technical English is also required.
• Required technical skills: TypeScript, React 19, Vite, Tailwind, shadcn/Radix, React Hook Form, and TanStack Query.
• Advanced PostgreSQL skills, including row-level security, triggers, views, and migrations.
• Supabase experience with Auth, PostgREST, Storage, and Deno Edge Functions; self-hosting is preferred.
• Linux, Docker, nginx, deployments, and backups.
• Important: AWS services including EC2, RDS/Aurora, S3, IAM, SES, Route 53, CloudFront, and CloudWatch; APIs and webhooks, including Twilio, Stripe, OAuth, and email services; Vitest and Playwright.
• Assets: react-admin or Atomic CRM; Expo or React Native; WebRTC; PostGIS; Terraform or CDK; Astro; n8n; AI model integrations and voice agents.

Responsibilities:

• Serve as the teams technical lead and provide a strong technical foundation for our AI-agent development workflow.
• Review, strengthen, and evolve our React and Supabase CRM, including its architecture, performance, and per-client access security.
• Oversee code produced by our AI agents through code reviews, testing, standards, and architecture decisions.
• Integrate external services, including Twilio for calls and texts, email, Stripe, Zoho Books, QuickBooks, GoHighLevel, Pipedrive, and monday.
• Manage production operations, including deployments, backups, monitoring, and incident response.
• Lead our production migration to AWS in the Montreal region, running systems in parallel for one month before cutover.
• Occasionally develop a mobile app with Expo or React Native, or a website with Astro.

Technologies:

• AI
• AI Agents
• AWS
• Claude Code
• Cloud
• CloudWatch
• CRM
• Cursor
• Docker
• EC2
• IAM
• Linux
• Mobile
• n8n
• Nginx
• OAuth
• Playwright
• PostgreSQL
• React
• React Native
• Security
• Terraform
• TypeScript
• Web
• API
• Backbone
• GitHub
• JavaScript
• Fullstack

More:

We are Admissis (Les Services Admissis Inc.), building sales and management tools for Quebec contractors, primarily in renovation and residential services. We work with The Web Revolution and Soumission Rénovation. Our core product is a live CRM used by clients, supported by a phone-answering voice agent, website chat, n8n automations, mobile apps, and custom client views. We offer a real product with room to shape it, a distinctive workflow in which AI agents execute while you guide architecture, and an end-to-end AWS migration project. The role is full-time, employee status, and hybrid in Montréal, Quebec, with a salary of $90,000–$125,000 depending on experience. Benefits include casual dress, discounted or free food, and a flexible schedule. Our interview process includes a 30-minute call, a 90-minute technical interview with a short exercise on our test CRM, and a final meeting.

last updated 45 week of 2026