Full Time Hybrid

Senior Full Stack Developer

Senior Full Stack Developer (Backend-Focused)

Version Française plus bas

Montreal / Hybrid (1 day per week onsite) / Full-time

Merinio is a quick-growing Quebec-based company backed by venture capital. We develop a workforce management SaaS platform used daily by thousands of employees across Canada and the United States. Our solution helps organizations automate shift replacement calls, reduce manual work, and improve operational communication in industries where schedules change constantly.

Our active user base is growing quickly, and several major multi-site customer deployments are scheduled over the coming months. We are also rapidly expanding our integration ecosystem with various ERP systems, HR software, and payroll solutions to deliver a unified and highly automated experience.

We are investing heavily in generative AI and autonomous agents to enhance automation, decision-making, and operational forecasting. The new backend you will help build is central to this vision.

Role Overview

We are looking for a senior full stack developer with a strong backend focus to play a key role in the technical evolution of our product. You will analyze the existing backend, identify improvement opportunities, and propose robust technical solutions to support our rapid growth. You will have a direct influence on major technical decisions.

Key Challenges

- Rapid growth of our user base
- Large-scale customer deployments in the coming months
- Progressive migration of critical infrastructure components
- Improving backend performance, reliability, and quality




- Strengthening automated testing practices and engineering tooling

Responsibilities

- Define and guide the product’s technical architecture
- Plan and execute major refactors and structural migrations
- Design the foundations of the next-generation backend
- Audit, measure, and optimize backend performance
- Contribute to technical roadmap planning
- Improve testing strategies and quality practices
- Support and guide the development team in technical decision-making

Tech Stack Merinio

- Front-End: React, TypeScript, Redux, React Query, Bootstrap, Material UI, Mantine
- Mobile: Ionic Capacitor
- Backend: Node.js, Express.js
- Database: MongoDB
- API: REST, WebSocket
- Infrastructure: Docker, ECS, AWS
- CI/CD: GitHub Actions

Profile & Requirements

Essential experience (≥ 3 years)

- React and Node.js/TypeScript
- Testing strategies (Jest, Storybook, Playwright)
- Fluency in both English and French is required (spoken and written).

Advanced experience (≥ 7 years)

- Database design and optimization (MongoDB)
- DevOps and containerized infrastructures (Docker, AWS/ECS)
- Strong understanding of the software development lifecycle and CI/CD pipelines
- Excellent mastery of Git
- Deep understanding of performance challenges in distributed SaaS applications

Compensation & Benefits





- 3 weeks paid vacation
- Company-wide paid shutdown between Christmas and New Year’s
- 3 personal/sick days per year
- Flexible working hours
- Hybrid policy: 1 mandatory day per week on-site
- Group insurance from day one
- Employee stock option eligibility after probation
- Modern office space
- Free gym access + personal trainer
- Free fitness classes: spinning, yoga, HIIT, boxing, skating, hockey
- Free coffee, beverages, and snacks
- Team activities throughout the year
- On-site skating rink and basketball court

Ready to take on large-scale technical challenges?

Join Merinio and help build the next generation of a fast-growing SaaS platform, with direct impact on thousands of essential workers.

[email protected]

Développeur·euse Full Stack Senior (orientation backend)

Montréal / Hybride (1 jour par semaine au bureau) / Temps plein

Merinio est une entreprise québécoise en forte croissance, financée par des fonds de capital de risque. Nous développons une plateforme SaaS de gestion des effectifs utilisée quotidiennement par des milliers d’employés à travers le Canada et les États-Unis. Notre solution aide les organisations à automatiser les remplacements de quarts, réduire les tâches manuelles et améliorer la communication opérationnelle dans des industries où les horaires changent constamment.

Notre nombre d’utilisateurs actifs croît rapidement, et plusieurs déploiements majeurs avec de grands clients multi-sites sont en cours dans les prochains mois. Nous élargissons également notre écosystème d’intégra

📌 Senior Full Stack Developer • (Montreal)
🏢 Merinio
📍 Montreal