Senior Software Engineer

• AlphaSense is seeking an exceptional engineer to own our Excel plugin strategy, bringing the power of AI-driven market intelligence directly into the workflow of financial professionals worldwide
• You’ll build the bridge between our cutting-edge AI platform and the tool that millions of analysts, investors, and researchers use every day – Microsoft Excel
• You’ll create experiences that feel magical to users
• Your work will directly impact how the world’s leading financial institutions make critical decisions
• Technical Environment:
• Office JavaScript API / Office Add-ins framework
• TypeScript, React, and modern frontend tooling
• Complex state management between local and cloud data
• Enterprise authentication (SSO, OAuth, SAML)
• Cross-platform support (Windows and Mac)
• Build the Excel Experience: Develop and ship production-grade features for the Excel plugin that integrate AlphaSense’s capabilities while respecting Excel’s performance and stability requirements
• Navigate Complex Integration: Work with Excel’s object model, calculation engine, and event system to deliver features that feel native while accessing cloud-based intelligence
• Optimize Relentlessly: Make complex operations feel instantaneous, manage memory carefully, and ensure the plugin never slows down Excel
• Uphold Best Practices: Follow and contribute to team standards for development, testing, deployment, and monitoring of Office plugins, and support junior engineers through code reviews and pairing
• You’ll fundamentally change how financial professionals interact with market intelligence
• Within your first year, you’ll ship a plugin used by thousands of analysts at leading financial institutions, making AI-powered research as simple as typing an Excel formula
• You’ll eliminate the context-switching between Excel and research platforms, saving analysts hours daily while improving the quality of their analysis
• More importantly, you’ll establish the technical foundation and best practices that will guide our Office integration strategy for years
• This isn’t just another plugin development role. You’ll be working with:
• Cutting-edge AI capabilities that need to feel simple in Excel
• Financial professionals who depend on Excel for critical decisions
• Complex technical constraints that require creative solutions
• You’ll need to think like a financial analyst, architect like a distributed systems engineer, and optimize like a game developer. It’s a rare opportunity to work on deeply technical challenges while directly impacting how the financial world operates

Benefits

• Work from home opportunities

• Strong understanding of asynchronous programming, state management, and event-driven architectures
• Track record of building performant applications with excellent error handling and recovery
• 5+ years building and operating large scale production systems
• Deep expertise in JavaScript/TypeScript and modern development practices
• Excellence in debugging complex integration issues and memory/performance optimization
• Experience with enterprise software deployment, updates, and version management
• Ability to mentor teams and establish development best practices
• Production experience with Office JavaScript API, VSTO, or COM add-ins
• Understanding of financial modeling, data analysis workflows, or trading systems
• Knowledge of Excel’s calculation engine, object model, and common power-user patterns
• Experience with React and modern frontend frameworks