Senior Shopify Plus Developer Jobs in Toronto, ON

Shipfusion gives brands the best tools possible for building a successful eCommerce operation. We were founded by a team of long-time eCommerce and logistics professionals who believe retailers should be able to trust their fulfillment partners as much as their in-house team.

At Shipfusion, we pride ourselves on our commitment to entrepreneurship and innovation. We are always looking for individuals who share these values and who are looking to further their careers in a unique and rapidly growing organization!

The Opportunity:

Shipfusion is looking for a Dev Support Manager to lead our Development Support function across our PHP, MySQL, and React platform. Reporting to the Sr. Manager, Software Engineering of the company, you'll lead the team responsible for investigating production issues, supporting customer-impacting incidents, reducing technical debt, and improving the overall health of our platform.

In this role you will...

• Lead the Development Support team responsible for production issues, bug fixes, investigations, and platform stability.
• Act as the primary technical escalation point for complex production issues.
• Write high-quality production code in PHP and React while maintaining best engineering practices.
• Troubleshoot and resolve performance issues across PHP applications, MySQL databases, APIs, and frontend applications.
• Identify recurring support issues and drive permanent engineering solutions rather than temporary fixes.
• Conduct code reviews with a focus on maintainability, performance, security, and consistency.
• Mentor junior and intermediate developers through technical guidance and coaching.
• Help establish engineering standards, coding guidelines, and development best practices.
• Partner with Product, Operations, Customer Success, and Engineering to prioritize production issues.
• Improve monitoring, logging, alerting, and debugging capabilities across the platform.
• Own production deployments and assist with release management.
• Improve internal tooling to increase developer productivity.
• Participate in architecture discussions and recommend improvements to scalability and reliability.
• Monitor system health, application performance, and database performance.
• Help reduce technical debt through continuous improvement initiatives.
• Document recurring issues, troubleshooting guides, and engineering knowledge.
• Support incident management, root cause analysis, and post-mortem reviews.

Our Technology Stack:

• PHP
• React
• MySQL
• HTML5 / JavaScript
• REST APIs
• Docker
• AWS
• Git
• RabbitMQ

What you'll bring to the team (Required Skills): 

• 3-5+ years of professional software development experience.
• Strong experience developing production applications using PHP.
• Strong knowledge of MySQL, query optimization, indexing, and database performance.
• Experience building modern frontend applications using React.
• Experience troubleshooting complex production issues across full-stack applications.
• Experience leading developers or technical support teams.
• Strong understanding of software architecture and scalable application design.
• Excellent debugging and problem-solving skills.
• Experience performing code reviews and mentoring developers.
• Strong written and verbal communication skills.
• Ability to balance multiple priorities while maintaining high-quality execution.

Nice to have

• Experience with Docker and containerized development environments.
• Experience with AWS infrastructure.
• Experience with message queue systems
• Experience building monitoring and observability solutions.
• Experience working within Agile software development teams.
• Knowledge of CI/CD pipelines and automated testing.
• Experience  supporting eCommerce or logistics platforms (Shopify, Amazon).

Why Engineering at Shipfusion?

• Competitive salary and compensation package.
• Health and dental benefits for you and your dependents.
• Work-from-home stipend.
• Subsidized gym membership.
• Access to the CALM App.
• 15 paid vacation days.
• Remote-first culture with optional office in Downtown Toronto.
• Direct access to senior leadership.
• Opportunity to build software that powers millions of eCommerce shipments.
• Freedom to experiment, innovate, and improve engineering processes.
• High ownership and real impact across the organization.

Within your first year you will:

• Improve production stability and reduce recurring incidents.
• Build a high-performing Development Support team.
• Shorten issue resolution times through better tooling and processes
• Increase engineering quality through mentorship and code reviews.
• Improve monitoring, logging, and system observability.
• Utilize AI tooling to help with coding foundation to reach goals quicker

Why join Shipfusion?

Attractive Salary and Lucrative Compensation Plan: Earn what you deserve with our competitive and rewarding salary package.

Comprehensive Health and Dental Coverage: Enjoy peace of mind with health and dental benefits for you and your loved ones, starting from day one.

Generous Vacation Time: Recharge and explore with 15 days of paid vacation and 5 paid wellness days.

Cutting-Edge Tech Setup: Receive a brand-new MacBook shipped to you, plus a budget to personalize your workspace with peripherals of your choice.

Vibrant Company Social Events: Connect and celebrate with exciting social events that bring our team together.

Remote Work Opportunities: Enjoy the flexibility and convenience of working from the comfort of your home.

Exclusive Employee Discounts: Enjoy special savings with our employee discount program on your favorite products.

Employee Assistance Program (EAP): Access to comprehensive support services that promote employee well-being and work-life balance.

Calm App Subscription: Receive 100% coverage for the Calm app, providing you with resources for meditation, sleep improvement, and stress management.

Positive Company Culture: Join a workplace known for its supportive, inclusive, and dynamic culture.

High Employee Retention Rates: Be part of a company where employees are valued and tend to stay, reflecting our commitment to employee satisfaction and growth.

Shipfusion is an equal opportunity employer committed to creating an inclusive and accessible workplace. We welcome and encourage applications from all qualified candidates. Accommodations are available upon request for candidates taking part in all aspects of the recruitment process.