Spellbook

Senior Backend Developer for AI Workflows

📍 Location
toronto, on
⏰ Job Type
Full-time
📅 Posted
June 08, 2026
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Job Description

Be a pivotal player at Spellbook as a Senior Backend Developer in charge of systems that power AI features. Engage in impactful projects and enjoy autonomy in a flexible remote setting.

With over 5 years of experience, you will contribute to building and scaling backend systems that facilitate key product functionalities. Your strong hold on NoSQL databases (like MongoDB) will be crucial for designing optimal data models and ensuring system reliability through effective engineering practices. Collaboration with cross-functional teams will guide your development process.

Key Responsibilities: • Scale backend systems for Spellbook's user experiences • Design effective AI search and orchestration systems • Implement retrieval at scale with performance optimization measures • Manage core backend functions for reliability and consistency • Foster team collaboration on development and troubleshooting

Requirements: • 5+ years of experience in backend development • M...

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