Senior Software Engineer

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert calls, news, trade journals, and clients’ own research content. The acquisition of Tegus by AlphaSense in 2024 advances our shared mission to empower professionals to make smarter decisions through AI-driven market intelligence. Together, AlphaSense and Tegus will accelerate growth, innovation, and content expansion, with complementary product and content capabilities that enable users to unearth even more comprehensive insights from thousands of content sets. Our platform is trusted by over 6,000 enterprise customers, including a majority of the S&P 500. Founded in 2011, AlphaSense is headquartered in New York City with more than 2,000 employees across the globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us! About the Role 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. Who You Are : 5+ years building and operating large scale production systems Deep expertise in JavaScript/TypeScript and modern development practices Strong understanding of asynchronous programming, state management, and event-driven architectures Experience with enterprise software deployment, updates, and version management Track record of building performant applications with excellent error handling and recovery Excellence in debugging complex integration issues and memory/performance optimization Ability to mentor teams and establish development best practices Preferred: Production experience with Office JavaScript API, VSTO, or COM add-ins Knowledge of Excel's calculation engine, object model, and common power-user patterns Understanding of financial modeling, data analysis workflows, or trading systems Experience with React and modern frontend frameworks 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) What You'll Do Build the Excel Experience: Develop and ship production-grade features for the Excel plugin that integrate AlphaSense's capabilities while…