Full-time

Onsite Senior Software Developer - MERN Stack

Posted by Source Code • toronto, on, Canada

📍 toronto, on 🕒 June 06, 2026

About the Role

Become a Senior Software Developer with a focus on the MERN stack for Ontario's Ministry of Public and Business Service Delivery. Work onsite in Toronto to ensure robust application performance.
You will play a critical role in maintaining and enhancing the Ceres application, addressing user-reported issues, and implementing system upgrades. Your expertise in cloud-native deployment and Agile methodologies will drive the execution of impactful improvements while ensuring compliance with accessibility standards.
Key Responsibilities:
• Resolve application issues quickly to ensure reliability
• Identify and prioritize upgrades for continued platform performance
• Implement bug fixes and enhance existing functionalities
Requirements:
• 7+ years of full-stack development experience in MERN
• 4+ years documenting build processes and deployments
• Proven skills in technical documentation and knowledge sharing
• Familiarity with AODA and government technology sta...

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