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Senior Full Stack Developer •

Merinio

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 fast-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.

View email address on apply.j-vers.com

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’intégrations avec différents ERP, logiciels RH et logiciels de paie pour offrir une expérience unifiée et hautement automatisée.

Nous investissons activement dans l’intégration de l’IA générative et d’agents autonomes afin d’améliorer l’automatisation, la prise de décision et la prévision opérationnelle. Le futur backend que vous aiderez à concevoir jouera un rôle central dans cette évolution.

Contexte du poste

Nous recherchons un·e développeur·euse full stack senior, fortement orienté·e backend, pour jouer un rôle clé dans l’évolution technologique du produit. Vous serez responsable d’analyser le backend existant, d’identifier des opportunités d’amélioration et de proposer des solutions techniques robustes pour soutenir notre croissance rapide.

Vous aurez une influence directe sur les décisions techniques majeures.

Défis clés

  • Croissance accélérée de la base d’utilisateurs
  • Déploiements clients d’envergure dans les prochains mois
  • Migration progressive de certaines composantes critiques de l’infrastructure
  • Amélioration de la performance, de la fiabilité et de la qualité du backend
  • Mise en place de meilleures pratiques de tests et d’outillage pour soutenir l’équipe

Responsabilités

  • Définir et orienter l’architecture technique du produit
  • Planifier et exécuter des refactors et migrations structurantes
  • Concevoir les fondations du futur backend
  • Auditer, mesurer et optimiser les performances du backend
  • Participer à la planification de la feuille de route technique
  • Améliorer les stratégies de tests automatisés et les pratiques de qualité
  • Accompagner et soutenir l’équipe dans ses choix techniques

Tech Stack Merinio

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

Profil recherché

Expérience essentielle (≥ 3 ans)

  • React et Node.js/TypeScript
  • Mise en place de stratégies de tests (Jest, Storybook, Playwright)
  • La maîtrise de l’anglais et du français est requise (tant à l’écrit qu’à l’oral).

Expérience avancée (≥ 7 ans)

  • Conception et optimisation de bases de données (MongoDB)
  • DevOps et infrastructures conteneurisées (Docker, AWS/ECS)
  • Maîtrise du cycle de développement logiciel et pipelines CI/CD
  • Excellente maîtrise de Git
  • Compréhension avancée des enjeux de performance dans les applications SaaS distribuées

Conditions & avantages

  • 3 semaines de vacances payées
  • Congé payé complet entre Noël et le Jour de l’An
  • 3 jours mobiles / maladie
  • Horaire flexible
  • Politique hybride : 1 jour par semaine au bureau
  • Assurances collectives dès l’embauche
  • Possibilité d’options d’achat d’actions après la période de probation
  • Bureaux modernes
  • Accès gratuit au gym + entraîneur
  • Cours gratuits : spinning, yoga, HIIT, boxe, patin, hockey
  • Café, boissons et collations gratuites
  • Activités d’équipe tout au long de l’année
  • Patinoire extérieure et terrain de basketball

Envie de relever des défis techniques à grande échelle?

Joignez-vous à Merinio pour contribuer à la prochaine génération d’une plateforme SaaS en pleine expansion et avoir un impact direct sur des milliers de travailleurs essentiels.

View email address on apply.j-vers.com

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Vacancy posted 14 hours ago
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