Principal Software Engineer - Product Platforms

Builds shared, API-first product platforms powering multiple product surfaces and integrations.

• •AlphaSense is seeking a Principal Software Engineer to define and build shared, API-first product platforms that power multiple product surfaces, integrations, and agentic workflows.
• •This role focuses on building platforms as products with well-designed APIs, clear contracts, and strong reliability guarantees.
• •Key Responsibilities Act as a technical owner and force multiplier for API-first architecture.
• •Design, build, and evolve high-scale APIs used by internal teams, external customers, and intelligent agents.
• •Lead the development of agentic workflows, including orchestration and state management.
• •Drive API standards, design principles, and best practices through hands-on work.
• •Tackle complex cross-team problems with ambiguous requirements.
• •Requirements Extensive experience as a senior staff/principal-level software engineer.
• •Experience building product platforms or shared services.
• •Proven track record of designing, building, and operating APIs at scale.