Mission is a platform for hiring, vetting and managing software development talents. It enables our clients to connect with the world’s best talent to build mission-critical software products.

About the client

Fast-growing international company developing smart digital products that improve how real estate professionals operate, analyze, and deliver value.

About the role

We’re building smart, AI-powered software that solves complex problems across a global user base — and we’re looking for a Senior Full Stack Developer who can shape, scale, and future-proof our platform.
You’ll be a technical pillar in the team, working closely with product and research to design and deliver production-ready software and AI prototypes.
You’re rigorous, detail-oriented, curious by nature, and excited to work in a collaborative environment that values quality over hype.
Join a distributed product and engineering team working on real-world innovation in real estate and AI.

Key Responsibilities

Make technical architecture decisions in collaboration with the CTO.
Design and develop Ruby on Rails components with clean, maintainable code.
Contribute to both frontend (SCSS, Bootstrap, JS) and backend features.
Write detailed technical documentation and system architecture guides.
Build and maintain CI/CD pipelines, deployment tooling, and QA checks.
Lead or participate in code reviews, version control, and documentation.
Maintain and evolve existing systems and participate in roadmap planning.
Support integration of AI features like LLMs, semantic analysis, and recommendation engines.
Provide Level 2/3 technical support during product launches or escalations.
Stay updated on emerging trends in software engineering and AI applications.

Requirements

10+ years of professional experience in software development, including Ruby.
Mastery of Ruby on Rails, SCSS, Bootstrap, JavaScript, HTML/CSS.
Experience in a secondary language like Python, PHP, or similar.
Obsessed with code readability, proper naming conventions, and clean UI structure.
Strong attention to visual detail and UX alignment.
Comfortable mentoring, doing code reviews, and owning technical decisions.
Fluency in French (spoken & written) is required.
Based in Canada, ideally in Montreal, and open to hybrid work (2–3 days/week).

Compensation & Benefits