Senior Fullstack Software Developer

montreal (administrative region), qc, Canada • Posted June 06, 2026

Job Type: Full-time
Location: montreal (administrative region), qc
Posted: June 06, 2026
Category: Other-General
Application Deadline: July 16, 2026

Role Description

As a Senior Full-stack Developer , you will play a key role in designing, developing, and maintaining high-quality, scalable, and secure software solutions. You’ll work across the stack, from front-end to back-end, building features that deliver real business value and contribute to the evolution of our platform. You’ll collaborate closely with Product Managers, Designers, and Tech Leads to turn product ideas into reliable, performant, and maintainable code.

Your role combines strong technical execution, ownership of complex tasks, and active collaboration within a cross-functional agile team.

Key Responsibilities

Design & Development

  • Design, implement, and maintain full-stack features that are performant, reliable, and maintainable.
  • Write clean, testable, and well-documented code following best practices.
  • Participate in system and architecture discussions, providing input on scalability, maintainability, and tec...

Interested in this role?

Click the button below to start your application for Senior Fullstack Software Developer at Diagram.

Apply Now