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Stay22 is a Montreal-based platform that helps ambitious creators and high-intent digital platforms monetize their existing traffic through background technology infrastructure. The company serves over 6,500 creators and platforms with more than $1 billion in annual transactions, expanding beyond travel into retail, lifestyle, publishing, events, and transportation.
As a Senior Fullstack Developer, you will serve as a technical leader within a multidisciplinary squad, owning the end-to-end design, development, and deployment of critical product initiatives. You will bridge complex backend logic with intuitive user experiences, leveraging Node.js, Python, and TypeScript on the backend and React on the frontend.
Key responsibilities include:
**Product Engineering**: Lead fullstack feature design and implementation, ensuring seamless integration between server logic and client interfaces. Design and optimize database schemas (PostgreSQL and MongoDB) for data integrity, performance, and scalability. Write high-quality, maintainable code emphasizing simplicity and long-term robustness.
**Technical Leadership**: Drive technical decision-making through rigorous design documents and Architecture Decision Records. Promote engineering best practices including code reviews, automated testing (TDD/BDD), and efficient CI/CD workflows. Proactively identify and address technical debt while balancing speed and system stability.
**Collaboration & Mentorship**: Mentor junior and mid-level developers with constructive feedback and foster continuous learning. Work closely with product managers and designers to assess technical feasibility, discuss trade-offs, and shape product roadmaps. Collaborate with Platform and Data teams to ensure solutions meet organizational standards for security, observability, and data governance.
Required qualifications: Bachelor's or Master's degree in Computer Science or equivalent professional experience. 6+ years of software development experience with a proven track record deploying fullstack applications to production. Deep expertise in server-side development (Node.js/Python), advanced TypeScript and React proficiency, solid relational and NoSQL database experience, cloud infrastructure (GCP preferred), containerization (Docker/Kubernetes), and Infrastructure as Code. Strong ability to decompose complex requirements into concrete technical plans, excellent communication skills, and a user-centric approach.
Stay22 offers a dynamic Montreal headquarters in Little Italy with cafeteria allocation, full gym access, and a rooftop with seasonal basketball/pickleball and hockey rink. Comprehensive benefits include health/dental coverage, employer RRSP contributions, fully paid STM transit pass, and regular team activities and retreats. Flexible schedules, remote work options, year-end office closures, and flexible days off.
