Application Developer - Experience Full-Stack

Location: Toronto (On client site 4 days/ week)

Duration: 1 year (Beginning in October)

Job description:

- For context, we're hiring against full stack capability, strong frontend depth plus hands-on backend and cloud (AWS)/serverless experience. Equally significant, we need people who can operate with little or no supervision on an assigned feature or task, and who take end-to-end ownership across the full development and deployment lifecycle.
- AI enabled development with expertise using Cursor or Claude Code
- Devops and CI/CD pipeline creation
- Core: React Native / Expo (Expo Router), React 19, TypeScript, Node 24, Yarn 4. iOS + Android primary.
- Data / state: GraphQL with Apollo Client + Codegen, Jotai, Apollo cache persistence.
- UI / i18n: In house design system, i18next (EN/FR).
- Ops: Firebase (Analytics, Crashlytics, Perf, Remote Config), Jest, ESLint/Husky, multi-env builds (local → prod).
- Basically, a React Native (Expo) frontend, GraphQL backend, and Firebase for analytics/crash/config.

📌 Application Developer - mississauga
🏢 Hays
📍 Mississauga