Build Excel integrations with TypeScript and React at AlphaSense, connecting AI-driven market intelligence to financial specialists from home. Ship performant features across Windows and Mac.

As a Senior Software Engineer, you will own AlphaSense’s Excel plugin strategy and develop production-grade Office Add-ins. Your work connects cloud intelligence with Excel’s object model, calculation engine, and event system. You will support enterprise authentication and complex local-cloud state management.

Key Responsibilities:
Develop and ship production-grade Excel plugin features
Integrate AlphaSense capabilities with Microsoft Excel
Optimize memory, performance, and asynchronous operations
Follow standards for testing, deployment, and monitoring




Support junior engineers through reviews and pairing

Requirements:
Five-plus years operating large-scale production systems
Deep JavaScript and TypeScript development expertise
Production experience with Office JavaScript API, VSTO, or COM add-ins
Experience with React and contemporary frontend frameworks
Knowledge of Excel’s calculation engine and object model

Apply asynchronous programming, enterprise integration, and performance optimization to shape AlphaSense’s Excel intelligence experience.
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📌 Senior Excel Plugin Software Engineer Toronto
🏢 AlphaSense
📍 Toronto