Full-stack developer (part-time) – Montréal law firm platform (French required)

EXEO, a Montréal immigration law firm, is looking for a part-time full-stack developer to maintain and improve our internal platform (client portal, contracts, trust-account monitoring). STACK Google Cloud (hosting, scheduled jobs), MongoDB, GitHub, API integrations with Xero, Stripe, Trello and Slack. WHAT YOU'LL DO - Maintain the platform and fix integration issues - Make small, well-scoped changes (e.g. multilingual contract updates) - Help set up a staging environment and basic automated tests - Document your work in French REQUIREMENTS - Based in Canada (Montréal area is a plus); French required - Solid experience with Node.js/JavaScript, MongoDB and Google Cloud - Experience with financial or accounting data is a strong asset - Comfortable working with AI coding tools (e.g. Claude Code) - Willing to sign a confidentiality agreement before any access to real data START A short paid trial project, then ongoing part-time work. Please reply in French and briefly describe a similar platform or integration you have maintained.